Tandem Diabetes Care Ownership 2024 | Who Owns Tandem Diabetes Care Now?


OverviewForecastRevenueFinancialsChartTranscripts

Institutional Ownership

19.08%

Insider Ownership

0.76%

Retail Ownership

80.16%

Institutional Holders

150.00

Tandem Diabetes Care Institutional Shareholders


Institutional Shareholders by % of Total Shares

Name% Total Shares% Total AssetsCurrent SharesChange AmountChange %Market ValueDate
BLACKROCK INC.17.11%0.01%11,122,9031,890,42220.48%448,141,762Jun 30, 2024
VANGUARD GROUP INC11.35%0.01%7,378,002325,4324.61%297,259,700Jun 30, 2024
CAPITAL WORLD INVESTORS5.64%0.02%3,665,300--147,674,937Jun 30, 2024
UBS GROUP AG4.22%0.03%2,745,312--110,608,620Jun 30, 2024
STATE STREET CORP3.96%0.00%2,572,564331,58614.80%103,648,604,000Jun 30, 2024
ARROWMARK COLORADO HOLDINGS LLC3.85%1.20%2,504,851-429,328-14.63%100,920,447Jun 30, 2024
FRED ALGER MANAGEMENT, LLC3.35%0.43%2,174,107677,03645.22%87,594,771Jun 30, 2024
JENNISON ASSOCIATES LLC3.03%0.05%1,969,626-586,498-22.94%79,356,233Jun 30, 2024
CHAMPLAIN INVESTMENT PARTNERS, LLC2.51%0.40%1,629,527115,9707.66%65,653,643Jun 30, 2024
BELLEVUE GROUP AG2.37%1.01%1,543,267-488,621-24.05%62,178,227Jun 30, 2024
GEODE CAPITAL MANAGEMENT, LLC2.32%0.01%1,507,629431,53240.10%60,754,190Jun 30, 2024
AMERIPRISE FINANCIAL INC2.28%0.02%1,480,774688,74686.96%59,638,471Jun 30, 2024
JANUS HENDERSON GROUP PLC2.23%0.03%1,450,175-750,622-34.11%58,429,443Jun 30, 2024
GW&K INVESTMENT MANAGEMENT, LLC2.07%0.49%1,343,11137,2022.85%54,114,000Jun 30, 2024
JACOBS LEVY EQUITY MANAGEMENT, INC1.91%0.21%1,244,14024,9462.05%50,126,401Jun 30, 2024
STEPHENS INVESTMENT MANAGEMENT GROUP LLC1.75%0.64%1,136,219173,66018.04%45,778,264Jun 30, 2024
TWO SIGMA INVESTMENTS, LP1.75%0.10%1,135,180113,18711.08%45,736,402Jun 30, 2024
MILLENNIUM MANAGEMENT LLC1.62%0.02%1,053,95328,9992.83%42,463,766Jun 30, 2024
GILDER GAGNON HOWE & CO LLC1.58%0.52%1,028,633131,24514.63%41,443,624Jun 30, 2024
MORGAN STANLEY1.57%0.00%1,019,411-378,734-27.09%41,072,162Jun 30, 2024

Tandem Diabetes Care's largest institutional shareholder is BLACKROCK INC., holding 17.11% of the company's total share outstanding, currently valued at $448.14M. The top 10 institutional shareholders own together 57.40% of the company.

Institutional Shareholders by % of Total Assets

Name% Total Shares% Total AssetsCurrent SharesChange AmountChange %Market ValueDate
PARADICE INVESTMENT MANAGEMENT LLC1.26%5.86%821,993--33,118,098Jun 30, 2024
NEXT CENTURY GROWTH INVESTORS LLC1.41%3.06%914,37061,4917.21%36,839,967Jun 30, 2024
FIRST LIGHT ASSET MANAGEMENT, LLC1.09%2.50%708,482233,40549.13%28,544,740Jun 30, 2024
BEACONLIGHT CAPITAL, LLC0.19%2.19%121,298-125,888-50.93%4,887,096Jun 30, 2024
PARK WEST ASSET MANAGEMENT LLC1.03%1.98%670,721-726,559-52.00%27,023,349Jun 30, 2024
DAFNA CAPITAL MANAGEMENT LLC0.31%1.97%204,208-54,000-20.91%8,227,540Jun 30, 2024
FORMULA GROWTH LTD0.19%1.82%124,6469000.73%5,021,987Jun 30, 2024
KINGDON CAPITAL MANAGEMENT, L.L.C.0.57%1.59%369,000-124,080-25.16%14,867,010Jun 30, 2024
LISANTI CAPITAL GROWTH, LLC0.24%1.53%158,260-16,570-9.48%6,376,295Jun 30, 2024
ARROWMARK COLORADO HOLDINGS LLC3.85%1.20%2,504,851-429,328-14.63%100,920,447Jun 30, 2024
PURA VIDA INVESTMENTS, LLC0.06%1.03%40,500-2,000-4.71%1,631,745Jun 30, 2024
BELLEVUE GROUP AG2.37%1.01%1,543,267-488,621-24.05%62,178,227Jun 30, 2024
CHICAGO CAPITAL, LLC1.26%0.98%821,062149,75722.31%33,080,585Jun 30, 2024
HANSEATIC MANAGEMENT SERVICES INC0.02%0.80%13,23113,231100.00%533,077Jun 30, 2024
BROWN CAPITAL MANAGEMENT LLC1.41%0.74%914,455-40,112-4.20%36,843,392Jun 30, 2024
OBERWEIS ASSET MANAGEMENT INC/0.43%0.70%282,000282,000100.00%11,361,780Jun 30, 2024
HIGHMARK WEALTH MANAGEMENT LLC0.04%0.66%27,170--1,094,679Jun 30, 2024
STEPHENS INVESTMENT MANAGEMENT GROUP LLC1.75%0.64%1,136,219173,66018.04%45,778,264Jun 30, 2024
EAM INVESTORS, LLC0.12%0.52%79,63379,633100.00%3,208,414Jun 30, 2024
GILDER GAGNON HOWE & CO LLC1.58%0.52%1,028,633131,24514.63%41,443,624Jun 30, 2024

The largest Tandem Diabetes Care shareholder by % of total assets is PARADICE INVESTMENT MANAGEMENT LLC. The company owns 821.99K shares of Tandem Diabetes Care (TNDM), representing 5.86% of its total assets.

Institutional Buyers

Name% Total Shares% Total AssetsCurrent SharesChange AmountChange %Market ValueDate
BLACKROCK INC.17.11%0.01%11,122,9031,890,42220.48%448,141,762Jun 30, 2024
AMERIPRISE FINANCIAL INC2.28%0.02%1,480,774688,74686.96%59,638,471Jun 30, 2024
FRED ALGER MANAGEMENT, LLC3.35%0.43%2,174,107677,03645.22%87,594,771Jun 30, 2024
GEODE CAPITAL MANAGEMENT, LLC2.32%0.01%1,507,629431,53240.10%60,754,190Jun 30, 2024
VICTORY CAPITAL MANAGEMENT INC0.62%0.02%403,370389,6322836.16%16,251,778Jun 30, 2024
BARCLAYS PLC0.62%0.01%405,712355,915714.73%16,347,000Jun 30, 2024
STATE STREET CORP3.96%0.00%2,572,564331,58614.80%103,648,604,000Jun 30, 2024
VANGUARD GROUP INC11.35%0.01%7,378,002325,4324.61%297,259,700Jun 30, 2024
OBERWEIS ASSET MANAGEMENT INC/0.43%0.70%282,000282,000100.00%11,361,780Jun 30, 2024
UBS GROUP AG0.46%0.00%295,787255,065626.36%11,917,259Jun 30, 2024
FIRST LIGHT ASSET MANAGEMENT, LLC1.09%2.50%708,482233,40549.13%28,544,740Jun 30, 2024
STEPHENS INVESTMENT MANAGEMENT GROUP LLC1.75%0.64%1,136,219173,66018.04%45,778,264Jun 30, 2024
CHICAGO CAPITAL, LLC1.26%0.98%821,062149,75722.31%33,080,585Jun 30, 2024
CHARLES SCHWAB INVESTMENT MANAGEMENT INC0.87%0.00%567,189149,64635.84%22,852,045Jun 30, 2024
FIL LTD0.21%0.01%135,622135,622100.00%5,464,210Jun 30, 2024
GILDER GAGNON HOWE & CO LLC1.58%0.52%1,028,633131,24514.63%41,443,624Jun 30, 2024
EXODUSPOINT CAPITAL MANAGEMENT, LP0.18%0.03%118,553118,553100.00%4,777,000Jun 30, 2024
CHAMPLAIN INVESTMENT PARTNERS, LLC2.51%0.40%1,629,527115,9707.66%65,653,643Jun 30, 2024
TWO SIGMA INVESTMENTS, LP1.75%0.10%1,135,180113,18711.08%45,736,402Jun 30, 2024
ROYAL BANK OF CANADA0.29%0.00%190,708107,386128.88%7,684,000Jun 30, 2024

As of Jun 30 2024, Tandem Diabetes Care's largest institutional buyer is BLACKROCK INC.. The company purchased 1.89M stocks of TNDM, valued at $448.14M.

Institutional Sellers

Name% Total Shares% Total AssetsCurrent SharesChange AmountChange %Market ValueDate
MARSHALL WACE, LLP0.81%0.03%524,393-2,595,981-83.19%21,127,791Jun 30, 2024
JANUS HENDERSON GROUP PLC2.23%0.03%1,450,175-750,622-34.11%58,429,443Jun 30, 2024
PARK WEST ASSET MANAGEMENT LLC1.03%1.98%670,721-726,559-52.00%27,023,349Jun 30, 2024
JENNISON ASSOCIATES LLC3.03%0.05%1,969,626-586,498-22.94%79,356,233Jun 30, 2024
BELLEVUE GROUP AG2.37%1.01%1,543,267-488,621-24.05%62,178,227Jun 30, 2024
ARROWMARK COLORADO HOLDINGS LLC3.85%1.20%2,504,851-429,328-14.63%100,920,447Jun 30, 2024
CAPITAL INTERNATIONAL INVESTORS0.93%0.01%606,469-410,726-40.38%24,434,636Jun 30, 2024
MORGAN STANLEY1.57%0.00%1,019,411-378,734-27.09%41,072,162Jun 30, 2024
DRIEHAUS CAPITAL MANAGEMENT LLC1.47%0.37%955,244-362,193-27.49%38,486,781Jun 30, 2024
CUBIST SYSTEMATIC STRATEGIES, LLC----339,918-100.00%-Jun 30, 2024
TRI LOCUM PARTNERS LP----326,506-100.00%-Jun 30, 2024
RENAISSANCE TECHNOLOGIES LLC0.46%0.02%295,823-298,504-50.23%11,918,709Jun 30, 2024
SQUAREPOINT OPS LLC0.19%0.01%121,170-292,789-70.73%4,881,939Jun 30, 2024
VOLORIDGE INVESTMENT MANAGEMENT, LLC0.35%0.03%230,410-291,222-55.83%9,283,219Jun 30, 2024
BALYASNY ASSET MANAGEMENT L.P.0.01%0.00%8,629-225,891-96.32%347,662Jun 30, 2024
INTEGRAL HEALTH ASSET MANAGEMENT, LLC----225,000-100.00%-Jun 30, 2024
FMR LLC1.37%0.00%893,086-157,259-14.97%35,982,436Jun 30, 2024
BEACONLIGHT CAPITAL, LLC0.19%2.19%121,298-125,888-50.93%4,887,096Jun 30, 2024
KINGDON CAPITAL MANAGEMENT, L.L.C.0.57%1.59%369,000-124,080-25.16%14,867,010Jun 30, 2024
HOLOCENE ADVISORS, LP----104,080-100.00%-Jun 30, 2024

As of Jun 30 2024, Tandem Diabetes Care's biggest institutional seller is MARSHALL WACE, LLP. The company sold -2.60M shares of TNDM, valued at $21.13M.

Institutional New positions

Name% Total Shares% Total AssetsCurrent SharesChange AmountChange %Market ValueDate
OBERWEIS ASSET MANAGEMENT INC/0.43%0.70%282,000282,000100.00%11,361,780Jun 30, 2024
FIL LTD0.21%0.01%135,622135,622100.00%5,464,210Jun 30, 2024
EXODUSPOINT CAPITAL MANAGEMENT, LP0.18%0.03%118,553118,553100.00%4,777,000Jun 30, 2024
NICHOLAS INVESTMENT PARTNERS, LP0.15%0.41%98,06398,063100.00%3,950,958Jun 30, 2024
MACQUARIE GROUP LTD0.13%0.00%83,75683,756100.00%3,375,000Jun 30, 2024
EAM INVESTORS, LLC0.12%0.52%79,63379,633100.00%3,208,414Jun 30, 2024
MIZUHO MARKETS AMERICAS LLC0.11%0.07%72,25672,256100.00%2,911,194Jun 30, 2024
AQUATIC CAPITAL MANAGEMENT LLC0.08%0.07%49,75349,753100.00%2,004,548Jun 30, 2024
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.0.08%0.00%48,93648,936100.00%1,971,631Jun 30, 2024
TWINBEECH CAPITAL LP0.06%0.03%40,80140,801100.00%1,643,872Jun 30, 2024
MILLENNIUM MANAGEMENT LLC0.06%0.00%40,00040,000100.00%1,611,600Jun 30, 2024
COREBRIDGE FINANCIAL, INC.0.06%0.01%37,55937,559100.00%1,513,601Jun 30, 2024
CINCTIVE CAPITAL MANAGEMENT LP0.06%0.07%37,10537,105100.00%1,494,960Jun 30, 2024
STATE OF NEW JERSEY COMMON PENSION FUND D0.06%0.01%35,93935,939100.00%1,447,982Jun 30, 2024
TWO SIGMA SECURITIES, LLC0.05%0.02%34,57234,572100.00%1,392,906Jun 30, 2024
CLARIVEST ASSET MANAGEMENT LLC0.04%0.12%28,14928,149100.00%1,134,123Jun 30, 2024
CAPULA MANAGEMENT LTD0.04%0.01%23,25623,256100.00%936,984Jun 30, 2024
HANSEATIC MANAGEMENT SERVICES INC0.02%0.80%13,23113,231100.00%533,077Jun 30, 2024
AXQ CAPITAL, LP0.02%0.12%12,37212,372100.00%498,468Jun 30, 2024
WOLVERINE TRADING, LLC0.02%0.00%11,90011,900100.00%479,451Jun 30, 2024
ATRIA INVESTMENTS, INC0.02%0.01%10,67610,676100.00%430,135Jun 30, 2024
EDGESTREAM PARTNERS, L.P.0.02%0.02%10,05210,052100.00%404,995Jun 30, 2024
GROUND SWELL CAPITAL, LLC0.01%0.30%9,6989,698100.00%390,732Jun 30, 2024
GTS SECURITIES LLC0.01%0.00%9,5769,576100.00%385,817Jun 30, 2024
ADVISORS ASSET MANAGEMENT, INC.0.01%0.01%8,6758,675100.00%349,516Jun 30, 2024
UNISUPER MANAGEMENT PTY LTD0.01%0.00%8,3008,300100.00%334,407Jun 30, 2024
AQR CAPITAL MANAGEMENT LLC0.01%0.00%7,3277,327100.00%295,205Jun 30, 2024
INTECH INVESTMENT MANAGEMENT LLC0.01%0.00%7,1637,163100.00%288,597Jun 30, 2024
OCCUDO QUANTITATIVE STRATEGIES LP0.01%0.05%7,1157,115100.00%286,663Jun 30, 2024
ENTROPY TECHNOLOGIES, LP0.01%0.03%6,9516,951100.00%280,056Jun 30, 2024
VERSOR INVESTMENTS LP0.01%0.05%6,8006,800100.00%273,972Jun 30, 2024
MEEDER ASSET MANAGEMENT INC0.01%0.02%6,6746,674100.00%268,896Jun 30, 2024
OMERS ADMINISTRATION CORP0.01%0.00%6,4006,400100.00%257,856Jun 30, 2024
AMERITAS INVESTMENT PARTNERS, INC.0.01%0.01%6,3456,345100.00%255,640Jun 30, 2024
AIGEN INVESTMENT MANAGEMENT, LP0.01%0.05%6,2556,255100.00%252,014Jun 30, 2024
AVANTAX ADVISORY SERVICES, INC.0.01%0.00%6,0016,001100.00%241,780Jun 30, 2024
NEBULA RESEARCH & DEVELOPMENT LLC0.01%0.04%5,9805,980100.00%240,934Jun 30, 2024
WEDBUSH SECURITIES INC0.01%0.01%5,9025,902100.00%238,000Jun 30, 2024
PATHSTONE HOLDINGS, LLC0.01%0.00%5,8385,838100.00%235,213Jun 30, 2024
TARBOX FAMILY OFFICE, INC.0.01%0.04%5,6015,601100.00%225,664Jun 30, 2024
STONEBRIDGE CAPITAL ADVISORS LLC0.01%0.02%5,5005,500100.00%221,595Jun 30, 2024
COLDSTREAM CAPITAL MANAGEMENT INC0.01%0.01%5,4505,450100.00%219,581Jun 30, 2024
RESOURCES INVESTMENT ADVISORS, LLC.0.01%0.00%5,4095,409100.00%217,929Jun 30, 2024
ROUNDVIEW CAPITAL LLC0.01%0.02%5,3445,344100.00%215,310Jun 30, 2024
DAIWA SECURITIES GROUP INC.0.00%0.00%2,1242,124100.00%86,000Jun 30, 2024
ENTRYPOINT CAPITAL, LLC0.00%0.05%926926100.00%37,309Jun 30, 2024
STRS OHIO0.00%0.00%900900100.00%36,261,000Jun 30, 2024
ORG PARTNERS LLC0.00%0.00%784784100.00%30,927,000Jun 30, 2024
SMARTLEAF ASSET MANAGEMENT LLC0.00%0.00%648648100.00%26,198Jun 30, 2024
CULLEN/FROST BANKERS, INC.0.00%0.00%135135100.00%5,439Jun 30, 2024
WHITTIER TRUST CO0.00%0.00%115115100.00%4,633Jun 30, 2024
TWIN TREE MANAGEMENT, LP0.00%-9090100.00%3,626Jun 30, 2024
COHEN & STEERS, INC.0.00%-6767100.00%3,000Jun 30, 2024
INNEALTA CAPITAL, LLC0.00%0.00%4848100.00%1,934Jun 30, 2024
VENTURI WEALTH MANAGEMENT, LLC0.00%0.00%3434100.00%1,371Jun 30, 2024
JOHNSON FINANCIAL GROUP, INC.-0.00%2626100.00%1,048Jun 30, 2024
VALLEY NATIONAL ADVISERS INC-0.00%2525100.00%1,000Jun 30, 2024
SRS CAPITAL ADVISORS, INC.-0.00%1616100.00%645Jun 30, 2024
CAPITAL ADVISORS, LTD. LLC-0.00%1313100.00%1,000Jun 30, 2024
CVA FAMILY OFFICE, LLC-0.00%1111100.00%443Jun 30, 2024
ROTHSCHILD INVESTMENT LLC--1010100.00%403Jun 30, 2024
RONALD BLUE TRUST, INC.--99100.00%319Jun 30, 2024
LARSON FINANCIAL GROUP LLC--77100.00%282Jun 30, 2024

Tandem Diabetes Care's largest new institutional shareholder by number of shares is OBERWEIS ASSET MANAGEMENT INC/, purchased 282.00K shares, valued at $11.36M, as of undefined.

Institutional Sold Out

Name% Total Shares% Total AssetsCurrent SharesChange AmountChange %Market ValueDate
CUBIST SYSTEMATIC STRATEGIES, LLC----339,918-100.00%-Jun 30, 2024
TRI LOCUM PARTNERS LP----326,506-100.00%-Jun 30, 2024
INTEGRAL HEALTH ASSET MANAGEMENT, LLC----225,000-100.00%-Jun 30, 2024
HOLOCENE ADVISORS, LP----104,080-100.00%-Jun 30, 2024
HRT FINANCIAL LP----96,300-100.00%-Jun 30, 2024
D. E. SHAW & CO., INC.----71,432-100.00%-Jun 30, 2024
CAPITAL FUND MANAGEMENT S.A.----61,870-100.00%-Jun 30, 2024
LECAP ASSET MANAGEMENT LTD----52,653-100.00%-Jun 30, 2024
POINT72 ASSET MANAGEMENT, L.P.----35,000-100.00%-Jun 30, 2024
ALLIANZ ASSET MANAGEMENT GMBH----29,429-100.00%-Jun 30, 2024
TREASURER OF THE STATE OF NORTH CAROLINA----28,773-100.00%-Jun 30, 2024
POINT72 (DIFC) LTD----27,551-100.00%-Jun 30, 2024
Y-INTERCEPT (HONG KONG) LTD----25,028-100.00%-Jun 30, 2024
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO----24,656-100.00%-Jun 30, 2024
TEZA CAPITAL MANAGEMENT LLC----24,278-100.00%-Jun 30, 2024
BAYESIAN CAPITAL MANAGEMENT, LP----24,000-100.00%-Jun 30, 2024
BOKF, NA----23,817-100.00%-Jun 30, 2024
BARCLAYS PLC----20,800-100.00%-Jun 30, 2024
QUARRY LP----19,065-100.00%-Jun 30, 2024
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND----15,239-100.00%-Jun 30, 2024
CAPSTONE INVESTMENT ADVISORS, LLC----13,585-100.00%-Jun 30, 2024
NEW MEXICO EDUCATIONAL RETIREMENT BOARD----13,000-100.00%-Jun 30, 2024
QUBE RESEARCH & TECHNOLOGIES LTD----12,722-100.00%-Jun 30, 2024
BREVAN HOWARD CAPITAL MANAGEMENT LP----12,087-100.00%-Jun 30, 2024
OAK THISTLE LLC----8,557-100.00%-Jun 30, 2024
VANGUARD PERSONALIZED INDEXING MANAGEMENT, LLC----5,654-100.00%-Jun 30, 2024
AMERICAN INTERNATIONAL GROUP, INC.----3,628-100.00%-Jun 30, 2024
FERNWOOD INVESTMENT MANAGEMENT, LLC----1,625-100.00%-Jun 30, 2024
CORECAP ADVISORS, LLC----1,053-100.00%-Jun 30, 2024
POINT72 ASIA (SINGAPORE) PTE. LTD.----435-100.00%-Jun 30, 2024
ANFIELD CAPITAL MANAGEMENT, LLC----73-100.00%-Jun 30, 2024
STEWARD PARTNERS INVESTMENT ADVISORY, LLC----70-100.00%-Jun 30, 2024
WESTEND CAPITAL MANAGEMENT, LLC----27-100.00%-Jun 30, 2024
MV CAPITAL MANAGEMENT, INC.----1-100.00%-Jun 30, 2024

Tandem Diabetes Care's largest sold out institutional shareholder by shares sold is CUBIST SYSTEMATIC STRATEGIES, LLC, sold -0.34M shares, valued at -, as of undefined.

Tandem Diabetes Care Mutual Fund Holders


Name% Total AssetsTotal SharesChange AmountChange %Date
SPARROW FUNDS2.36%8,425--Feb 29, 2024
Manager Directed Portfolios0.94%154,111--Jan 31, 2024
Virtus Diversified Income & Convertible Fund0.68%1,385,000--Jan 31, 2024
Eaton Vance Enhanced Equity Income Fund II0.66%53,892--Mar 31, 2024
TAX MANAGED SMALL CAP PORTFOLIO0.55%29,160--Jan 31, 2024
Virtus Strategy Trust0.55%11,720,000--Mar 28, 2024
LORD ABBETT DEVELOPING GROWTH FUND, INC.0.44%406,906--Jan 31, 2024
Voya VARIABLE PRODUCTS TRUST0.43%152,836--Mar 31, 2024
MERIDIAN FUND INC0.27%635,37912,7902.05%Mar 28, 2024
NICHOLAS II, INC0.22%105,628--Dec 31, 2023
AMG Funds I0.21%427,874--Jan 31, 2024
HARTFORD HLS SERIES FUND II INC0.20%49,297--Dec 31, 2023
Clough Global Equity Fund0.18%11,300--Jan 31, 2024
PRUDENTIAL JENNISON SMALL CO FUND, INC.0.17%749,785639,776581.57%Mar 28, 2024
SPDR S&P MIDCAP 400 ETF TRUST0.15%574,802--Mar 28, 2024
SYNTAX ETF TRUST0.15%4,580-889-16.26%Mar 31, 2024
NICHOLAS Ltd EDITION, INC.0.14%46,810--Dec 31, 2023
ALGER FUNDS0.14%131,6723,3792.63%Jan 31, 2024
VANGUARD EXPLORER FUND0.13%1,654,004408,33332.78%Jan 31, 2024
PRUDENTIAL SECTOR FUNDS, INC.0.13%276,58965,72231.17%Feb 29, 2024
BNY MELLON MIDCAP INDEX FUND, INC.0.11%48,978--Jan 31, 2024
Nuveen NASDAQ 100 Dynamic Overwrite Fund0.11%12,647--Mar 31, 2024
PRUDENTIAL JENNISON BLEND FUND, INC.0.11%65,35810,00418.07%Feb 29, 2024
ALGER FUNDS II0.09%21,1877,09450.34%Jan 31, 2024
STATE STREET INSTITUTIONAL FUNDS0.09%74,000-12,000-13.95%Mar 31, 2024
VANGUARD ADMIRAL FUNDS0.09%393,87920,9085.61%Feb 29, 2024
LIBERTY ALL STAR GROWTH FUND INC.0.09%11,2919609.29%Dec 31, 2023
FIRST TRUST EXCHANGE-TRADED ALPHADEX FUND0.09%337,347207,543159.89%Jan 31, 2024
VANGUARD VALLEY FORGE FUNDS0.09%44,374--Mar 31, 2024
Humankind Benefit Corp0.08%1,75667462.29%Dec 31, 2023
ALGER INSTITUTIONAL FUNDS0.08%20,218--Jan 31, 2024
T. Rowe Price Health Sciences Fund, Inc.0.07%237,912--Mar 31, 2024
REYNOLDS FUNDS INC0.07%800--Mar 31, 2024
Clough Global Opportunities Fund0.07%26,200--Jan 31, 2024
NEW PERSPECTIVE FUND0.07%1,991,752--Mar 31, 2024
M FUND INC0.06%28,3425,78425.64%Mar 31, 2024
BNY MELLON INDEX FUNDS, INC.0.06%66,815-8,775-11.61%Jan 31, 2024
T. Rowe Price Quantitative Management Funds, Inc.0.06%194,300--Mar 31, 2024
SMALLCAP WORLD FUND INC0.06%4,219,796-388,000-8.42%Mar 31, 2024
ALGER PORTFOLIOS0.06%20,983--Dec 31, 2023
COLUMBIA ACORN TRUST0.06%178,831--Mar 31, 2024
BNY MELLON INVESTMENT PORTFOLIOS0.05%32,120-588-1.80%Mar 31, 2024
WANGER ADVISORS TRUST0.05%28,662--Mar 31, 2024
BlackRock Health Sciences Trust II0.05%129,700--Mar 31, 2024
Vericimetry Funds0.05%4,2201,22040.67%Mar 31, 2024
Federated Hermes Index Trust0.05%10,236--Jan 31, 2024
ALLSPRING VARIABLE TRUST0.04%27,180--Mar 31, 2024
BlackRock Health Sciences Trust0.04%10,265--Mar 31, 2024
Nuveen S&P 500 Dynamic Overwrite Fund0.04%1,122--Mar 31, 2024
Gabelli Healthcare & WellnessRx Trust0.03%4,000--Dec 29, 2023
Federated Hermes Equity Funds0.03%639,800--Jan 31, 2024
TOCQUEVILLE TRUST0.03%4,500--Jan 31, 2024
Capital Group Global Growth Equity ETF0.03%37,707--Feb 29, 2024
Clough Funds Trust0.03%1,100--Jan 31, 2023
AMERICAN CENTURY MUTUAL FUNDS, INC.0.03%264,805--Jan 31, 2024
DRIEHAUS MUTUAL FUNDS0.02%223,482222,73629857.37%Mar 28, 2024
WASATCH FUNDS TRUST0.02%231,112--Mar 31, 2024
FIDELITY ADVISOR SERIES VII0.02%200,000--Jan 31, 2024
CALVERT IMPACT FUND INC0.02%271,091--Mar 31, 2024
AB CAP FUND, INC.0.02%786,470--Jan 31, 2024
Managed Portfolio Series0.02%421,509--Jan 31, 2024
PFM Multi-Manager Series Trust0.02%14,81310,283227.00%Dec 31, 2023
DEUTSCHE DWS INVESTMENTS VIT FUNDS0.02%9,603--Mar 31, 2024
Voya PARTNERS INC0.02%1,264,000--Mar 31, 2024
QUANTITATIVE MASTER SERIES LLC0.01%92,319--Mar 31, 2024
VARIABLE INSURANCE PRODUCTS FUND IV0.01%40,000--Mar 31, 2024
AIM GROWTH SERIES (INVESCO GROWTH SERIES)0.01%437,019--Mar 31, 2024
VANGUARD INDEX FUNDS0.01%5,652,296-936,349-14.21%Mar 31, 2024
VARIABLE INSURANCE PRODUCTS FUND III0.01%108,713--Mar 31, 2024
NORTHERN LIGHTS FUND TRUST II0.01%151,985-91,290-37.53%Jan 31, 2024
OBERWEIS FUNDS0.01%13,100--Mar 31, 2024
AMERICAN FUNDS FUNDAMENTAL INVESTORS0.01%249,121--Mar 31, 2024
ROYCE FUND0.01%78,286--Mar 31, 2024
Brown Capital Management Mutual Funds0.01%33,139-818,861-96.11%Dec 31, 2023
EATON VANCE SPECIAL INVESTMENT TRUST0.01%18,714--Mar 31, 2024
EATON VANCE GROWTH TRUST0.01%113,739--Feb 29, 2024
MASTER ADVANTAGE SMID CAP LLC0.01%1,2721,272-Dec 31, 2020
FIDELITY SELECT PORTFOLIOS0.01%600,000-1,130,700-65.33%Feb 29, 2024
DEUTSCHE DWS VARIABLE SERIES I0.01%3,297--Mar 31, 2024
HARBOR FUNDS0.01%211,790--Jan 31, 2024
Calvert Responsible Index Series, Inc.0.01%14,578--Mar 31, 2024
TIAA SEPARATE ACCOUNT VA 10.01%1,948--Mar 31, 2024
TrimTabs ETF Trust0.01%5,661--Jan 31, 2024
BlackRock Advantage SMID Cap Fund, Inc.0.01%1,570--Mar 28, 2024
Harbor ETF Trust0.01%35,9462,7868.40%Jan 31, 2024
T. Rowe Price Equity Series, Inc.0.01%12,504--Mar 31, 2024
AMG FUNDS0.01%214,4036,5503.15%Mar 28, 2024
FIDELITY COMMONWEALTH TRUST0.01%22,9403721.65%Feb 29, 2024
JNL VARIABLE FUND LLC0.01%37,960-1,541-3.90%Mar 31, 2020
BNY Mellon Strategic Funds, Inc.0.01%15,225--Mar 31, 2024
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)0.01%46,741--Mar 31, 2024
DEUTSCHE DWS INVESTMENT TRUST0.01%19,007--Jan 31, 2024
Calvert Variable Products, Inc.0.01%16,714--Mar 31, 2024
Nuveen Core Equity Alpha Fund0.01%438--Mar 31, 2024
VANGUARD VARIABLE INSURANCE FUNDS0.01%301,5338,1162.77%Mar 31, 2024
Voya INVESTORS TRUST0.01%320,203--Mar 31, 2024
GABELLI EQUITY TRUST INC0.01%7,000--Dec 29, 2023
VANGUARD HORIZON FUNDS0.01%132,815--Mar 31, 2024
ANCHOR SERIES TRUST0.01%176,404--Sep 30, 2021
AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS, INC.0.01%12,391--Mar 31, 2024

Tandem Diabetes Care's largest mutual fund holder by % of total assets is "SPARROW FUNDS", owning 8.43K shares, compromising 2.36% of its total assets.

Tandem Diabetes Care Institutional Ownership Trends


Institutional Holdings Trend

DateHoldingsChange %
30 Jun, 24150-50.82%
31 Mar, 243058.54%
31 Dec, 2328117.57%
30 Sep, 23239-7.36%
30 Jun, 23258-8.19%
31 Mar, 23281-11.08%
31 Dec, 223161.94%
30 Sep, 22310-8.82%
30 Jun, 22340-12.82%
31 Mar, 22390-3.94%
31 Dec, 2140615.01%
30 Sep, 2135311.71%
30 Jun, 213162.60%
31 Mar, 21308-5.81%
31 Dec, 20327-3.82%
30 Sep, 203405.26%
30 Jun, 203239.49%
31 Mar, 20295-0.67%
31 Dec, 192972.41%
30 Sep, 192901.40%
30 Jun, 19286-1.04%
31 Mar, 1928930.18%
31 Dec, 182229.90%
30 Sep, 1820262.90%
30 Jun, 1812461.04%
31 Mar, 1877133.33%
31 Dec, 1733725.00%
30 Sep, 174-
31 Mar, 161-

As of 30 Jun 24, 150 institutions are holding Tandem Diabetes Care's shares, representing a decrease of -50.82% compared to the previous quarter.

Shares Outstanding Trend

DateShares OutstandingChange %
30 Jun, 2412,401,179-83.26%
31 Mar, 2474,084,7804.67%
31 Dec, 2370,776,4881.95%
30 Sep, 2369,421,6494.01%
30 Jun, 2366,744,992-2.00%
31 Mar, 2368,105,0335.89%
31 Dec, 2264,318,5422.73%
30 Sep, 2262,609,1141.91%
30 Jun, 2261,437,3623.36%
31 Mar, 2259,441,726-1.52%
31 Dec, 2160,356,661-1.47%
30 Sep, 2161,257,6683.81%
30 Jun, 2159,010,0432.57%
31 Mar, 2157,529,039-1.55%
31 Dec, 2058,436,6717.10%
30 Sep, 2054,564,653-1.33%
30 Jun, 2055,301,988-1.17%
31 Mar, 2055,958,4462.98%
31 Dec, 1954,339,4929.64%
30 Sep, 1949,563,6485.47%
30 Jun, 1946,994,8650.27%
31 Mar, 1946,870,235-1.66%
31 Dec, 1847,660,43315.44%
30 Sep, 1841,285,35323.76%
30 Jun, 1833,359,20456.30%
31 Mar, 1821,342,8921185.34%
31 Dec, 171,660,480-79.70%
30 Sep, 178,179,498-
31 Mar, 16150-

Tandem Diabetes Care (TNDM) has 12.40M shares outstanding as of 30 Jun 24, down -83.26% compared to the previous quarter.

Institutional Ownership Trend

DateOwnership %Change %
30 Jun, 2419.08%0.15%
31 Mar, 24113.41%0.96%
31 Dec, 23108.94%0.96%
30 Sep, 23106.61%1.01%
30 Jun, 23102.95%0.92%
31 Mar, 23105.51%1.05%
31 Dec, 22100.27%1.06%
30 Sep, 2297.47%1.06%
30 Jun, 2295.88%1.11%
31 Mar, 2293.05%1.01%
31 Dec, 2195.80%1.02%
30 Sep, 2196.98%1.10%
30 Jun, 2194.09%1.11%
31 Mar, 2192.12%1.05%
31 Dec, 2093.88%1.19%
30 Sep, 2088.68%1.05%
30 Jun, 2091.81%1.05%
31 Mar, 2093.67%1.09%
31 Dec, 1992.88%1.31%
30 Sep, 1984.29%1.29%
30 Jun, 1980.72%1.23%
31 Mar, 1981.13%0.83%
31 Dec, 1899.03%1.77%
30 Sep, 1874.75%1.74%
30 Jun, 1865.48%3.73%
31 Mar, 1841.89%394.37%
31 Dec, 173.26%126.45%
30 Sep, 171.61%-
31 Mar, 16--

As of 30 Jun 24, Tandem Diabetes Care is held by 19.08% institutional shareholders, representing a 0.15% growth compared to 31 Mar 24.

Institutional Increased Positions Trend

DateIncreased PositionsChange %
30 Jun, 2486-50.86%
31 Mar, 2417510.76%
31 Dec, 2315843.64%
30 Sep, 23110-8.33%
30 Jun, 23120-21.57%
31 Mar, 23153-4.38%
31 Dec, 2216011.89%
30 Sep, 22143-22.28%
30 Jun, 22184-11.11%
31 Mar, 22207-9.61%
31 Dec, 2122920.53%
30 Sep, 2119017.28%
30 Jun, 211625.19%
31 Mar, 21154-3.14%
31 Dec, 20159-4.22%
30 Sep, 2016611.41%
30 Jun, 2014918.25%
31 Mar, 20126-11.27%
31 Dec, 191421.43%
30 Sep, 19140-3.45%
30 Jun, 19145-10.49%
31 Mar, 1916233.88%
31 Dec, 18121-12.32%
30 Sep, 1813860.47%
30 Jun, 188636.51%
31 Mar, 1863117.24%
31 Dec, 1729625.00%
30 Sep, 174-
31 Mar, 161-

86 institutional shareholders have increased their position in TNDM stock as of 30 Jun 24 compared to 175 in the previous quarter (a -50.86% decrease).

Institutional Reduced Positions Trend

DateReduced PositionsChange %
30 Jun, 2437-55.42%
31 Mar, 2483-4.60%
31 Dec, 2387-
30 Sep, 2387-4.40%
30 Jun, 2391-
31 Mar, 2391-12.50%
31 Dec, 22104-11.11%
30 Sep, 221176.36%
30 Jun, 22110-11.29%
31 Mar, 221245.98%
31 Dec, 2111711.43%
30 Sep, 2110512.90%
30 Jun, 2193-7.00%
31 Mar, 21100-3.85%
31 Dec, 20104-8.77%
30 Sep, 201142.70%
30 Jun, 20111-
31 Mar, 201119.90%
31 Dec, 1910113.48%
30 Sep, 1989-1.11%
30 Jun, 19907.14%
31 Mar, 198444.83%
31 Dec, 185845.00%
30 Sep, 184066.67%
30 Jun, 1824500.00%
31 Mar, 18433.33%
31 Dec, 173-
30 Sep, 17--
31 Mar, 16--

37 institutional shareholders have reduced their position in TNDM stock as of 30 Jun 24 compared to 83 in the previous quarter (a -55.42% decrease).

All Institutional Ownership Trend Data

DateHoldingsChange %Shares OutstandingChange %Ownership %Change %Increased PositionsChange %Reduced PositionsChange %
30 Jun, 24150-50.82%12,401,179-83.26%19.08%0.15%86-50.86%37-55.42%
31 Mar, 243058.54%74,084,7804.67%113.41%0.96%17510.76%83-4.60%
31 Dec, 2328117.57%70,776,4881.95%108.94%0.96%15843.64%87-
30 Sep, 23239-7.36%69,421,6494.01%106.61%1.01%110-8.33%87-4.40%
30 Jun, 23258-8.19%66,744,992-2.00%102.95%0.92%120-21.57%91-
31 Mar, 23281-11.08%68,105,0335.89%105.51%1.05%153-4.38%91-12.50%
31 Dec, 223161.94%64,318,5422.73%100.27%1.06%16011.89%104-11.11%
30 Sep, 22310-8.82%62,609,1141.91%97.47%1.06%143-22.28%1176.36%
30 Jun, 22340-12.82%61,437,3623.36%95.88%1.11%184-11.11%110-11.29%
31 Mar, 22390-3.94%59,441,726-1.52%93.05%1.01%207-9.61%1245.98%
31 Dec, 2140615.01%60,356,661-1.47%95.80%1.02%22920.53%11711.43%
30 Sep, 2135311.71%61,257,6683.81%96.98%1.10%19017.28%10512.90%
30 Jun, 213162.60%59,010,0432.57%94.09%1.11%1625.19%93-7.00%
31 Mar, 21308-5.81%57,529,039-1.55%92.12%1.05%154-3.14%100-3.85%
31 Dec, 20327-3.82%58,436,6717.10%93.88%1.19%159-4.22%104-8.77%
30 Sep, 203405.26%54,564,653-1.33%88.68%1.05%16611.41%1142.70%
30 Jun, 203239.49%55,301,988-1.17%91.81%1.05%14918.25%111-
31 Mar, 20295-0.67%55,958,4462.98%93.67%1.09%126-11.27%1119.90%
31 Dec, 192972.41%54,339,4929.64%92.88%1.31%1421.43%10113.48%
30 Sep, 192901.40%49,563,6485.47%84.29%1.29%140-3.45%89-1.11%
30 Jun, 19286-1.04%46,994,8650.27%80.72%1.23%145-10.49%907.14%
31 Mar, 1928930.18%46,870,235-1.66%81.13%0.83%16233.88%8444.83%
31 Dec, 182229.90%47,660,43315.44%99.03%1.77%121-12.32%5845.00%
30 Sep, 1820262.90%41,285,35323.76%74.75%1.74%13860.47%4066.67%
30 Jun, 1812461.04%33,359,20456.30%65.48%3.73%8636.51%24500.00%
31 Mar, 1877133.33%21,342,8921185.34%41.89%394.37%63117.24%433.33%
31 Dec, 1733725.00%1,660,480-79.70%3.26%126.45%29625.00%3-
30 Sep, 174-8,179,498-1.61%-4---
31 Mar, 161-150---1---

Tandem Diabetes Care Insider Shareholders Trades


Open Market Insider Trades

DateNameRelationRoleTransactionBuy/SellSharesPriceValueShares HeldSource
Jun 03, 2024Allen Dickdirector-S-SaleSell5,000$51.68$258.40K-

Open Market Insider Buys

DateNameRelationRoleTransactionBuy/SellSharesPriceValueShares HeldSource

Insider Sells

DateNameRelationRoleTransactionBuy/SellSharesPriceValueShares HeldSource
Aug 09, 2024Allen Dickdirector-G-GiftSell6,639$38.89$258.19K22,757
Jun 26, 2024Kyrillos Jean-Claudeofficer EVP & Chief Operating OfficerSell----
Jun 20, 2024Carpenter Rickofficer Chief Technology OfficerF-InKindSell145$45.33$6.57K11,236
Jun 20, 2024Carpenter Rickofficer Chief Technology OfficerM-ExemptSell406--2,436
Jun 20, 2024Cha Myoungildirector-M-ExemptSell1,749--1,749
Jun 20, 2024Malagueira Joao Paulo Falcaodirector-M-ExemptSell1,749--1,749
Jun 13, 2024Allen Dickdirector-J-OtherSell9,396--15,000
Jun 12, 2024Gasser Elizabeth Anneofficer EVP, Chief Strategy OfficerJ-OtherSell11,749---
Jun 10, 2024Allen Dickdirector-G-GiftSell1,892$51.32$97.10K20,000
Jun 03, 2024Allen Dickdirector-S-SaleSell5,000$51.68$258.40K-
May 28, 2024Vosseller Leighofficer EVP & CHIEF FINANCIAL OFFICERF-InKindSell145$51.73$7.50K18,833

All Insider Owners Trades

DateNameRelationRoleTransactionBuy/SellSharesPriceValueShares HeldSource
Aug 09, 2024Allen Dickdirector-G-GiftSell6,639$38.89$258.19K22,757
Jul 17, 2024Kyrillos Jean-Claudeofficer EVP & Chief Operating OfficerA-AwardBuy43,634--43,634
Jun 26, 2024Kyrillos Jean-Claudeofficer EVP & Chief Operating OfficerSell----
Jun 20, 2024Carpenter Rickofficer Chief Technology OfficerM-ExemptBuy406--11,381
Jun 20, 2024Carpenter Rickofficer Chief Technology OfficerF-InKindSell145$45.33$6.57K11,236
Jun 20, 2024Carpenter Rickofficer Chief Technology OfficerM-ExemptSell406--2,436
Jun 20, 2024Cha Myoungildirector-M-ExemptBuy1,749$45.33$79.28K7,563
Jun 20, 2024Cha Myoungildirector-M-ExemptSell1,749--1,749
Jun 20, 2024Malagueira Joao Paulo Falcaodirector-M-ExemptBuy1,749$45.33$79.28K7,563
Jun 20, 2024Malagueira Joao Paulo Falcaodirector-M-ExemptSell1,749--1,749
Jun 13, 2024Allen Dickdirector-J-OtherBuy9,396--29,396
Jun 13, 2024Allen Dickdirector-J-OtherSell9,396--15,000
Jun 12, 2024Gasser Elizabeth Anneofficer EVP, Chief Strategy OfficerJ-OtherBuy11,749--11,749
Jun 12, 2024Gasser Elizabeth Anneofficer EVP, Chief Strategy OfficerJ-OtherSell11,749---
Jun 10, 2024Allen Dickdirector-G-GiftSell1,892$51.32$97.10K20,000
Jun 03, 2024Allen Dickdirector-S-SaleSell5,000$51.68$258.40K-
May 28, 2024Vosseller Leighofficer EVP & CHIEF FINANCIAL OFFICERM-ExemptBuy406--18,978
May 28, 2024Vosseller Leighofficer EVP & CHIEF FINANCIAL OFFICERF-InKindSell145$51.73$7.50K18,833
May 28, 2024Vosseller Leighofficer EVP & CHIEF FINANCIAL OFFICERA-AwardBuy17,946--17,946
May 28, 2024Vosseller Leighofficer EVP & CHIEF FINANCIAL OFFICERA-AwardBuy17,946--17,946

The last insider sell of Tandem Diabetes Care's stock was made by Allen Dick on Aug 09 2024, selling 6,639 shares at $38.89 per share (valued at $258.19K).

Tandem Diabetes Care Insider Ownership Trends


All Insider Trades Trend

DateBuySellBuy/Sell Ratio
Q3 202411100.00%
Q2 20247068102.94%
Q1 2024193751.35%
Q4 2023344969.39%
Q3 2023264953.06%
Q2 20236959116.95%
Q1 20233818211.11%
Q4 20223716231.25%
Q3 20222214157.14%
Q2 20228824366.67%
Q1 20222719142.11%
Q4 20216439164.10%
Q3 2021525496.30%
Q2 2021545598.18%
Q1 202131127.27%
Q4 2020104422.73%
Q3 2020439246.74%
Q2 20202821133.33%
Q1 2020244158.54%
Q4 201951338.46%

1 total buy trades, and 1 total sell trades (buy/sell ratio of 1.00%) were made by Tandem Diabetes Care's insiders, as of Q3 2024.

Open Market Insider Trades Trend

DateBuySellBuy/Sell Ratio
Q3 2024---
Q2 2024-1-
Q1 2024---
Q4 20233--
Q3 20231--
Q2 20233--
Q1 2023-1-
Q4 2022-1-
Q3 2022---
Q2 2022108125.00%
Q1 2022-11-
Q4 2021-26-
Q3 2021-43-
Q2 2021-15-
Q1 2021-8-
Q4 2020-25-
Q3 2020-48-
Q2 2020-14-
Q1 2020-27-
Q4 2019-10-

As of Q3 2024, Insider owners conducted 0 open market buy trades and 0 open market sell trades of Tandem Diabetes Care's stocks.

Tandem Diabetes Care Peer Ownership


TickerCompany
PACBPacific Biosciences of California, Inc.
ABTAbbott Laboratories
PODDInsulet Corporation
SYKStryker Corporation
PENPenumbra, Inc.
MDTMedtronic plc
NNOXNano-X Imaging Ltd.
DXCMDexCom, Inc.
ALGNAlign Technology, Inc.
INSPInspire Medical Systems, Inc.
SWAVShockWave Medical, Inc.

TNDM Ownership FAQ


Tandem Diabetes Care is owned by institutional shareholders (19.08%), insiders (0.76%), and public (80.16%). The largest institutional shareholder of Tandem Diabetes Care is BLACKROCK INC. (17.11% of total shares) and the top mutual fund owner is SPARROW FUNDS (2.36% of total shares).

Tandem Diabetes Care's major institutional shareholders are BLACKROCK INC., VANGUARD GROUP INC, CAPITAL WORLD INVESTORS, UBS GROUP AG, and STATE STREET CORP. The top five shareholders own together 42.29% of the company's share outstanding.

As of Jun 2024, there are 150 institutional shareholders of Tandem Diabetes Care.

BLACKROCK INC owns 11.12M shares of Tandem Diabetes Care, representing 17.11% of the company's total shares outstanding, valued at $448.14M (as of Jun 2024).

As of Jun 2024, VANGUARD GROUP INC holds 7.38M shares of Tandem Diabetes Care (TNDM), compromising 11.35% of the company, valued at $297.26M.

CAPITAL WORLD INVESTORS is the third largest holder of Tandem Diabetes Care. The company owns 3.67M of the company's shares outstanding (worth $147.67M).