TransMedics Group Ownership | Who Owns TransMedics Group?


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TransMedics Group Ownership Summary


TransMedics Group is owned by 89.47% institutional investors, 3.40% insiders, and 7.13% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 15.63% of TMDX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.16% of its assets in TransMedics Group shares.

TMDX Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockTransMedics Group89.47%3.40%7.13%
SectorHealthcare Stocks 57.39%9.93%32.68%
IndustryMedical Device Stocks40.18%9.93%49.89%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de5.23M15.63%$325.98M
Fmr4.01M11.98%$249.86M
Vanguard group3.64M10.87%$226.70M
Blackrock2.65M8.08%$398.47M
Driehaus capital management1.49M4.54%$223.83M
Fil1.00M2.99%$62.37M
Macquarie group992.50K2.97%$61.88M
Braidwell lp922.10K2.76%$57.49M
Ubs asset management americas903.09K2.70%$56.31M
Mackenzie financial828.15K2.48%$48.88M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Lagoda investment management73.86K2.49%$4.61M
Driehaus capital management1.49M2.16%$223.83M
Montanaro asset management140.03K1.80%$8.73M
Braidwell lp922.10K1.70%$57.49M
Bullseye asset management47.75K1.40%$2.98M
Avidity partners management lp192.40K1.18%$12.00M
Divisadero street capital management, lp158.48K1.15%$9.88M
Emerald advisers371.71K0.90%$23.18M
Sandhill capital partners178.01K0.87%$11.10M
First light asset management139.76K0.83%$8.71M

Top Buyers

HolderShares% AssetsChange
Fmr4.01M0.01%1.88M
Braidwell lp922.10K1.70%922.10K
Liontrust investment partners llp596.40K0.54%565.26K
Ubs asset management americas903.09K0.01%558.47K
Ubs group590.24K0.01%530.99K

Top Sellers

HolderShares% AssetsChange
Lord, abbett---809.13K
Arrowmark colorado277.42K0.23%-695.98K
Allspring global investments3.11K0.00%-596.00K
Fuller & thaler asset management---456.52K
1832 asset management---455.44K

New Positions

HolderShares% AssetsChangeValue
Norges bank366.66K0.00%366.66K$22.86M
Cubist systematic strategies164.06K0.06%164.06K$10.23M
Frontier capital management151.01K0.09%151.01K$9.42M
Capital fund management125.88K0.02%125.88K$7.85M
State of michigan retirement system108.00K0.04%108.00K$6.73M

Sold Out

HolderChange
Tfc financial management-1.00
Twin tree management, lp-1.00
American capital advisory-2.00
Capital performance advisors llp-4.00
West paces advisors-8.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2024265-31.88%29,921,356-17.12%890.77%164-22.64%69-42.50%
Sep 30, 20243859.38%36,093,1687.48%1071.03%2081.96%1207.14%
Jun 30, 202434826.09%33,565,574-1.41%1020.93%20239.31%11035.80%
Mar 31, 20242769.96%34,046,662-2.55%1040.91%14516.94%81-8.99%
Dec 31, 20232517.73%34,936,2550.07%1070.93%124-4.62%8932.84%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF2.08M6.16%1.28K
Vanguard US Total Market Shares ETF1.02M3.01%33.89K
Vanguard Total Stock Mkt Idx Inv1.00M2.97%690.00
iShares Russell 2000 ETF862.45K2.56%-7.48K
Vanguard Small Cap Index814.01K2.42%672.00
Macquarie Small Cap Core I742.56K2.21%-
Canada Life US Small-Mid Cap Growth A626.07K1.87%-
Fidelity Small Cap Growth625.21K1.86%-130.50K
Fidelity538.20K1.60%314.40K
Delaware Small Cap Core I534.50K1.59%-3.31K

Recent Insider Transactions


DateNameRoleActivityValue
Mar 03, 2025Khayal Tamer I Chief Commercial OfficerSell$183.97K
Jan 07, 2025Khayal Tamer I Chief Commercial OfficerSell$86.69K
Dec 02, 2024Khayal Tamer I Chief Commercial OfficerSell$93.66K
Nov 11, 2024Khayal Tamer I Chief Commercial OfficerSell$131.28K
Nov 05, 2024Basile Edward M-Sell$441.42K

Insider Transactions Trends


DateBuySell
2025 Q1-2
2024 Q4-18
2024 Q3-55
2024 Q2-87
2024 Q1-25

TMDX Ownership FAQ


Who Owns TransMedics Group?

TransMedics Group shareholders are primarily institutional investors at 89.47%, followed by 3.40% insiders and 7.13% retail investors. The average institutional ownership in TransMedics Group's industry, Medical Device Stocks, is 40.18%, which TransMedics Group exceeds.

Who owns the most shares of TransMedics Group?

TransMedics Group’s largest shareholders are Blackrock funding, inc. /de (5.23M shares, 15.63%), Fmr (4.01M shares, 11.98%), and Vanguard group (3.64M shares, 10.87%). Together, they hold 38.49% of TransMedics Group’s total shares outstanding.

Does Blackrock own TransMedics Group?

Yes, BlackRock owns 8.08% of TransMedics Group, totaling 2.65M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 398.47M$. In the last quarter, BlackRock increased its holdings by 121.93K shares, a 4.83% change.

Who is TransMedics Group’s biggest shareholder by percentage of total assets invested?

Lagoda investment management is TransMedics Group’s biggest shareholder by percentage of total assets invested, with 2.49% of its assets in 73.86K TransMedics Group shares, valued at 4.61M$.

Who is the top mutual fund holder of TransMedics Group shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of TransMedics Group shares, with 6.16% of its total shares outstanding invested in 2.08M TransMedics Group shares.

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