Merrimack Pharmaceuticals Ownership 2024 | Who Owns Merrimack Pharmaceuticals Now?
Institutional Ownership
64.76%
Insider Ownership
1.19%
Retail Ownership
34.05%
Institutional Holders
71.00
Merrimack Pharmaceuticals Institutional Shareholders
Institutional Shareholders by % of Total Shares
| Name | % Total Shares | % Total Assets | Current Shares | Change Amount | Change % | Market Value | Date |
|---|---|---|---|---|---|---|---|
| AMERICAN INTERNATIONAL GROUP, INC. | - | - | - | -5,160 | -100.00% | - | Jun 30, 2024 |
| JPMORGAN CHASE & CO | - | - | - | -11,786 | -100.00% | - | Jun 30, 2024 |
| BANK OF AMERICA CORP /DE/ | - | - | - | -3,964 | -100.00% | - | Jun 30, 2024 |
| WELLS FARGO & COMPANY/MN | - | - | - | -3,211 | -100.00% | - | Jun 30, 2024 |
| NORTHERN TRUST CORP | - | - | - | -117,548 | -100.00% | - | Jun 30, 2024 |
| STATE STREET CORP | - | - | - | -246,853 | -100.00% | - | Jun 30, 2024 |
| VANGUARD GROUP INC | - | - | - | -620,847 | -100.00% | - | Jun 30, 2024 |
| BARCLAYS PLC | - | - | - | -7,348 | -100.00% | - | Jun 30, 2024 |
| FMR LLC | - | - | - | -8,263 | -100.00% | - | Jun 30, 2024 |
| PNC FINANCIAL SERVICES GROUP, INC. | - | - | - | -165 | -100.00% | - | Jun 30, 2024 |
| METROPOLITAN LIFE INSURANCE CO/NY | - | - | - | -581 | -100.00% | - | Jun 30, 2024 |
| LEGAL & GENERAL GROUP PLC | - | - | - | -980 | -100.00% | - | Jun 30, 2024 |
| NEW YORK STATE COMMON RETIREMENT FUND | - | - | - | -1,287 | -100.00% | - | Jun 30, 2024 |
| STRS OHIO | - | - | - | -19,000 | -100.00% | - | Jun 30, 2024 |
| JOHNSON INVESTMENT COUNSEL INC | - | - | - | -13,480 | -100.00% | - | Jun 30, 2024 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | - | - | - | -29,628 | -100.00% | - | Jun 30, 2024 |
| MORGAN STANLEY | - | - | - | -39,442 | -100.00% | - | Jun 30, 2024 |
| COMERICA BANK | - | - | - | -500 | -100.00% | - | Jun 30, 2024 |
| INVESCO LTD. | - | - | - | -277,124 | -100.00% | - | Jun 30, 2024 |
| AMALGAMATED BANK | - | - | - | -353 | -100.00% | - | Jun 30, 2024 |
Merrimack Pharmaceuticals's largest institutional shareholder is AMERICAN INTERNATIONAL GROUP, INC., holding 0.00% of the company's total share outstanding, currently valued at -. The top 10 institutional shareholders own together 0.00% of the company.
Institutional Shareholders by % of Total Assets
| Name | % Total Shares | % Total Assets | Current Shares | Change Amount | Change % | Market Value | Date |
|---|---|---|---|---|---|---|---|
| AMERICAN INTERNATIONAL GROUP, INC. | - | - | - | -5,160 | -100.00% | - | Jun 30, 2024 |
| JPMORGAN CHASE & CO | - | - | - | -11,786 | -100.00% | - | Jun 30, 2024 |
| BANK OF AMERICA CORP /DE/ | - | - | - | -3,964 | -100.00% | - | Jun 30, 2024 |
| WELLS FARGO & COMPANY/MN | - | - | - | -3,211 | -100.00% | - | Jun 30, 2024 |
| NORTHERN TRUST CORP | - | - | - | -117,548 | -100.00% | - | Jun 30, 2024 |
| STATE STREET CORP | - | - | - | -246,853 | -100.00% | - | Jun 30, 2024 |
| VANGUARD GROUP INC | - | - | - | -620,847 | -100.00% | - | Jun 30, 2024 |
| BARCLAYS PLC | - | - | - | -7,348 | -100.00% | - | Jun 30, 2024 |
| FMR LLC | - | - | - | -8,263 | -100.00% | - | Jun 30, 2024 |
| PNC FINANCIAL SERVICES GROUP, INC. | - | - | - | -165 | -100.00% | - | Jun 30, 2024 |
| METROPOLITAN LIFE INSURANCE CO/NY | - | - | - | -581 | -100.00% | - | Jun 30, 2024 |
| LEGAL & GENERAL GROUP PLC | - | - | - | -980 | -100.00% | - | Jun 30, 2024 |
| NEW YORK STATE COMMON RETIREMENT FUND | - | - | - | -1,287 | -100.00% | - | Jun 30, 2024 |
| STRS OHIO | - | - | - | -19,000 | -100.00% | - | Jun 30, 2024 |
| JOHNSON INVESTMENT COUNSEL INC | - | - | - | -13,480 | -100.00% | - | Jun 30, 2024 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | - | - | - | -29,628 | -100.00% | - | Jun 30, 2024 |
| MORGAN STANLEY | - | - | - | -39,442 | -100.00% | - | Jun 30, 2024 |
| COMERICA BANK | - | - | - | -500 | -100.00% | - | Jun 30, 2024 |
| INVESCO LTD. | - | - | - | -277,124 | -100.00% | - | Jun 30, 2024 |
| AMALGAMATED BANK | - | - | - | -353 | -100.00% | - | Jun 30, 2024 |
The largest Merrimack Pharmaceuticals shareholder by % of total assets is AMERICAN INTERNATIONAL GROUP, INC.. The company owns 0.00 shares of Merrimack Pharmaceuticals (MACK), representing 0.00% of its total assets.
Institutional Buyers
| Name | % Total Shares | % Total Assets | Current Shares | Change Amount | Change % | Market Value | Date |
|---|---|---|---|---|---|---|---|
| GAMMA INVESTING LLC | - | - | - | -2 | -100.00% | - | Jun 30, 2024 |
| NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC | - | - | - | -2 | -100.00% | - | Jun 30, 2024 |
| NISA INVESTMENT ADVISORS, LLC | - | - | - | -15 | -100.00% | - | Jun 30, 2024 |
| ARMSTRONG ADVISORY GROUP, INC | - | - | - | -45 | -100.00% | - | Jun 30, 2024 |
| HORRELL CAPITAL MANAGEMENT, INC. | - | - | - | -50 | -100.00% | - | Jun 30, 2024 |
| POM INVESTMENT STRATEGIES, LLC | - | - | - | -69 | -100.00% | - | Jun 30, 2024 |
| COVESTOR LTD | - | - | - | -106 | -100.00% | - | Jun 30, 2024 |
| TSFG, LLC | - | - | - | -160 | -100.00% | - | Jun 30, 2024 |
| PNC FINANCIAL SERVICES GROUP, INC. | - | - | - | -165 | -100.00% | - | Jun 30, 2024 |
| CORNERSTONE PLANNING GROUP LLC | - | - | - | -231 | -100.00% | - | Jun 30, 2024 |
| TOWER RESEARCH CAPITAL LLC (TRC) | - | - | - | -280 | -100.00% | - | Jun 30, 2024 |
| SANDY SPRING BANK | - | - | - | -300 | -100.00% | - | Jun 30, 2024 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | - | - | - | -300 | -100.00% | - | Jun 30, 2024 |
| AMALGAMATED BANK | - | - | - | -353 | -100.00% | - | Jun 30, 2024 |
| DEUTSCHE BANK AG\ | - | - | - | -383 | -100.00% | - | Jun 30, 2024 |
| ROYAL BANK OF CANADA | - | - | - | -435 | -100.00% | - | Jun 30, 2024 |
| COMERICA BANK | - | - | - | -500 | -100.00% | - | Jun 30, 2024 |
| METROPOLITAN LIFE INSURANCE CO/NY | - | - | - | -581 | -100.00% | - | Jun 30, 2024 |
| AMERITAS INVESTMENT PARTNERS, INC. | - | - | - | -865 | -100.00% | - | Jun 30, 2024 |
| LEGAL & GENERAL GROUP PLC | - | - | - | -980 | -100.00% | - | Jun 30, 2024 |
As of Jun 30 2024, Merrimack Pharmaceuticals's largest institutional buyer is GAMMA INVESTING LLC. The company purchased -2.00 stocks of MACK, valued at -.
Institutional Sellers
| Name | % Total Shares | % Total Assets | Current Shares | Change Amount | Change % | Market Value | Date |
|---|---|---|---|---|---|---|---|
| WESTERN STANDARD LLC | - | - | - | -2,172,513 | -100.00% | - | Jun 30, 2024 |
| NEWTYN MANAGEMENT, LLC | - | - | - | -1,873,694 | -100.00% | - | Jun 30, 2024 |
| ADAR1 CAPITAL MANAGEMENT, LLC | - | - | - | -902,350 | -100.00% | - | Jun 30, 2024 |
| BLACKROCK INC. | - | - | - | -723,294 | -100.00% | - | Jun 30, 2024 |
| VANGUARD GROUP INC | - | - | - | -620,847 | -100.00% | - | Jun 30, 2024 |
| MADISON AVENUE PARTNERS, LP | - | - | - | -387,221 | -100.00% | - | Jun 30, 2024 |
| SEPIO CAPITAL, LP | - | - | - | -298,545 | -100.00% | - | Jun 30, 2024 |
| INVESCO LTD. | - | - | - | -277,124 | -100.00% | - | Jun 30, 2024 |
| GEODE CAPITAL MANAGEMENT, LLC | - | - | - | -272,015 | -100.00% | - | Jun 30, 2024 |
| STATE STREET CORP | - | - | - | -246,853 | -100.00% | - | Jun 30, 2024 |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | - | - | - | -210,239 | -100.00% | - | Jun 30, 2024 |
| RENAISSANCE TECHNOLOGIES LLC | - | - | - | -162,184 | -100.00% | - | Jun 30, 2024 |
| YAKIRA CAPITAL MANAGEMENT, INC. | - | - | - | -120,756 | -100.00% | - | Jun 30, 2024 |
| NORTHERN TRUST CORP | - | - | - | -117,548 | -100.00% | - | Jun 30, 2024 |
| BANK OF NEW YORK MELLON CORP | - | - | - | -94,895 | -100.00% | - | Jun 30, 2024 |
| MORGAN STANLEY | - | - | - | -39,442 | -100.00% | - | Jun 30, 2024 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | - | - | - | -34,200 | -100.00% | - | Jun 30, 2024 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | - | - | - | -29,628 | -100.00% | - | Jun 30, 2024 |
| TWO SIGMA INVESTMENTS, LP | - | - | - | -20,401 | -100.00% | - | Jun 30, 2024 |
| STRS OHIO | - | - | - | -19,000 | -100.00% | - | Jun 30, 2024 |
As of Jun 30 2024, Merrimack Pharmaceuticals's biggest institutional seller is WESTERN STANDARD LLC. The company sold -2.17M shares of MACK, valued at -.
Institutional New positions
| Name | % Total Shares | % Total Assets | Current Shares | Change Amount | Change % | Market Value | Date |
|---|
Institutional Sold Out
| Name | % Total Shares | % Total Assets | Current Shares | Change Amount | Change % | Market Value | Date |
|---|---|---|---|---|---|---|---|
| WESTERN STANDARD LLC | - | - | - | -2,172,513 | -100.00% | - | Jun 30, 2024 |
| NEWTYN MANAGEMENT, LLC | - | - | - | -1,873,694 | -100.00% | - | Jun 30, 2024 |
| ADAR1 CAPITAL MANAGEMENT, LLC | - | - | - | -902,350 | -100.00% | - | Jun 30, 2024 |
| BLACKROCK INC. | - | - | - | -723,294 | -100.00% | - | Jun 30, 2024 |
| VANGUARD GROUP INC | - | - | - | -620,847 | -100.00% | - | Jun 30, 2024 |
| MADISON AVENUE PARTNERS, LP | - | - | - | -387,221 | -100.00% | - | Jun 30, 2024 |
| SEPIO CAPITAL, LP | - | - | - | -298,545 | -100.00% | - | Jun 30, 2024 |
| INVESCO LTD. | - | - | - | -277,124 | -100.00% | - | Jun 30, 2024 |
| GEODE CAPITAL MANAGEMENT, LLC | - | - | - | -272,015 | -100.00% | - | Jun 30, 2024 |
| STATE STREET CORP | - | - | - | -246,853 | -100.00% | - | Jun 30, 2024 |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | - | - | - | -210,239 | -100.00% | - | Jun 30, 2024 |
| RENAISSANCE TECHNOLOGIES LLC | - | - | - | -162,184 | -100.00% | - | Jun 30, 2024 |
| YAKIRA CAPITAL MANAGEMENT, INC. | - | - | - | -120,756 | -100.00% | - | Jun 30, 2024 |
| NORTHERN TRUST CORP | - | - | - | -117,548 | -100.00% | - | Jun 30, 2024 |
| BANK OF NEW YORK MELLON CORP | - | - | - | -94,895 | -100.00% | - | Jun 30, 2024 |
| MORGAN STANLEY | - | - | - | -39,442 | -100.00% | - | Jun 30, 2024 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | - | - | - | -34,200 | -100.00% | - | Jun 30, 2024 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | - | - | - | -29,628 | -100.00% | - | Jun 30, 2024 |
| TWO SIGMA INVESTMENTS, LP | - | - | - | -20,401 | -100.00% | - | Jun 30, 2024 |
| STRS OHIO | - | - | - | -19,000 | -100.00% | - | Jun 30, 2024 |
| NUVEEN ASSET MANAGEMENT, LLC | - | - | - | -13,719 | -100.00% | - | Jun 30, 2024 |
| JOHNSON INVESTMENT COUNSEL INC | - | - | - | -13,480 | -100.00% | - | Jun 30, 2024 |
| UBS GROUP AG | - | - | - | -12,442 | -100.00% | - | Jun 30, 2024 |
| JPMORGAN CHASE & CO | - | - | - | -11,786 | -100.00% | - | Jun 30, 2024 |
| SCHONFELD STRATEGIC ADVISORS LLC | - | - | - | -10,800 | -100.00% | - | Jun 30, 2024 |
| MARTINGALE ASSET MANAGEMENT L P | - | - | - | -10,520 | -100.00% | - | Jun 30, 2024 |
| SHERBROOKE PARK ADVISERS LLC | - | - | - | -10,006 | -100.00% | - | Jun 30, 2024 |
| ARISTIDES CAPITAL LLC | - | - | - | -10,000 | -100.00% | - | Jun 30, 2024 |
| FMR LLC | - | - | - | -8,263 | -100.00% | - | Jun 30, 2024 |
| BARCLAYS PLC | - | - | - | -7,348 | -100.00% | - | Jun 30, 2024 |
| METLIFE INVESTMENT MANAGEMENT, LLC | - | - | - | -5,610 | -100.00% | - | Jun 30, 2024 |
| AMERICAN INTERNATIONAL GROUP, INC. | - | - | - | -5,160 | -100.00% | - | Jun 30, 2024 |
| BNP PARIBAS ARBITRAGE, SNC | - | - | - | -5,077 | -100.00% | - | Jun 30, 2024 |
| BANK OF AMERICA CORP /DE/ | - | - | - | -3,964 | -100.00% | - | Jun 30, 2024 |
| WELLS FARGO & COMPANY/MN | - | - | - | -3,211 | -100.00% | - | Jun 30, 2024 |
| LAZARD ASSET MANAGEMENT LLC | - | - | - | -2,830 | -100.00% | - | Jun 30, 2024 |
| NEWEDGE ADVISORS, LLC | - | - | - | -1,406 | -100.00% | - | Jun 30, 2024 |
| NEW YORK STATE COMMON RETIREMENT FUND | - | - | - | -1,287 | -100.00% | - | Jun 30, 2024 |
| RUSSELL INVESTMENTS GROUP, LTD. | - | - | - | -1,111 | -100.00% | - | Jun 30, 2024 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | - | - | - | -1,053 | -100.00% | - | Jun 30, 2024 |
| LEGAL & GENERAL GROUP PLC | - | - | - | -980 | -100.00% | - | Jun 30, 2024 |
| AMERITAS INVESTMENT PARTNERS, INC. | - | - | - | -865 | -100.00% | - | Jun 30, 2024 |
| METROPOLITAN LIFE INSURANCE CO/NY | - | - | - | -581 | -100.00% | - | Jun 30, 2024 |
| COMERICA BANK | - | - | - | -500 | -100.00% | - | Jun 30, 2024 |
| ROYAL BANK OF CANADA | - | - | - | -435 | -100.00% | - | Jun 30, 2024 |
| DEUTSCHE BANK AG\ | - | - | - | -383 | -100.00% | - | Jun 30, 2024 |
| AMALGAMATED BANK | - | - | - | -353 | -100.00% | - | Jun 30, 2024 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | - | - | - | -300 | -100.00% | - | Jun 30, 2024 |
| SANDY SPRING BANK | - | - | - | -300 | -100.00% | - | Jun 30, 2024 |
| TOWER RESEARCH CAPITAL LLC (TRC) | - | - | - | -280 | -100.00% | - | Jun 30, 2024 |
| CORNERSTONE PLANNING GROUP LLC | - | - | - | -231 | -100.00% | - | Jun 30, 2024 |
| PNC FINANCIAL SERVICES GROUP, INC. | - | - | - | -165 | -100.00% | - | Jun 30, 2024 |
| TSFG, LLC | - | - | - | -160 | -100.00% | - | Jun 30, 2024 |
| COVESTOR LTD | - | - | - | -106 | -100.00% | - | Jun 30, 2024 |
| POM INVESTMENT STRATEGIES, LLC | - | - | - | -69 | -100.00% | - | Jun 30, 2024 |
| HORRELL CAPITAL MANAGEMENT, INC. | - | - | - | -50 | -100.00% | - | Jun 30, 2024 |
| ARMSTRONG ADVISORY GROUP, INC | - | - | - | -45 | -100.00% | - | Jun 30, 2024 |
| NISA INVESTMENT ADVISORS, LLC | - | - | - | -15 | -100.00% | - | Jun 30, 2024 |
| NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC | - | - | - | -2 | -100.00% | - | Jun 30, 2024 |
| GAMMA INVESTING LLC | - | - | - | -2 | -100.00% | - | Jun 30, 2024 |
Merrimack Pharmaceuticals's largest sold out institutional shareholder by shares sold is WESTERN STANDARD LLC, sold -2.17M shares, valued at -, as of undefined.
Merrimack Pharmaceuticals Mutual Fund Holders
| Name | % Total Assets | Total Shares | Change Amount | Change % | Date |
|---|---|---|---|---|---|
| VANGUARD VALLEY FORGE FUNDS | 0.02% | 9,104 | - | - | Mar 31, 2024 |
| BRIDGEWAY FUNDS INC | 0.01% | 32,500 | - | - | Mar 28, 2024 |
| KINETICS PORTFOLIOS TRUST | 0.00% | 7,500 | - | - | Mar 31, 2024 |
| QUANTITATIVE MASTER SERIES LLC | 0.00% | 20,778 | - | - | Mar 31, 2024 |
| DEUTSCHE DWS INVESTMENTS VIT FUNDS | 0.00% | 1,609 | - | - | Mar 31, 2024 |
| VANGUARD INDEX FUNDS | 0.00% | 522,011 | -202,913 | -27.99% | Mar 31, 2024 |
| Invesco Exchange-Traded Fund Trust II | 0.00% | 232,830 | - | - | Jan 31, 2024 |
| SCHWAB CAPITAL TRUST | 0.00% | 29,628 | - | - | Jan 31, 2024 |
| FIDELITY CONCORD STREET TRUST | 0.00% | 140,699 | 5,829 | 4.32% | Feb 29, 2024 |
| AdvisorShares Trust | 0.00% | 1,933 | - | - | Mar 28, 2024 |
| DFA INVESTMENT DIMENSIONS GROUP INC | 0.00% | 432,952 | 99,695 | 29.92% | Jan 31, 2024 |
| Calvert Variable Products, Inc. | 0.00% | 865 | - | - | Mar 31, 2024 |
| VANGUARD INSTITUTIONAL INDEX FUNDS | 0.00% | 7,672 | -485 | -5.95% | Mar 31, 2024 |
| Segall Bryant & Hamill Trust | 0.00% | 4,012 | - | - | Mar 31, 2024 |
| SA FUNDS INVESTMENT TRUST | 0.00% | 2,761 | - | - | Mar 31, 2024 |
| Dimensional ETF Trust | 0.00% | 75,209 | -6,430 | -7.88% | Jan 31, 2024 |
| Global X Funds | 0.00% | 6,417 | - | - | Jan 31, 2024 |
| NORTHERN FUNDS | 0.00% | 12,819 | 470 | 3.81% | Mar 28, 2024 |
| STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 0.00% | 410 | -232 | -36.14% | Mar 31, 2024 |
| STATE STREET INSTITUTIONAL INVESTMENT TRUST | 0.00% | 3,300 | -3,400 | -50.75% | Mar 31, 2024 |
| Invesco Exchange-Traded Self-Indexed Fund Trust | 0.00% | 8,522 | 381 | 4.68% | Feb 29, 2024 |
| T. Rowe Price Index Trust, Inc. | 0.00% | 646 | 130 | 25.19% | Mar 31, 2024 |
| VANGUARD WELLINGTON FUND | 0.00% | 10,843 | 5,377 | 98.37% | Feb 29, 2024 |
| VANGUARD SCOTTSDALE FUNDS | 0.00% | 46,688 | 3,900 | 9.11% | Feb 29, 2024 |
| RYDEX SERIES FUNDS | 0.00% | 95 | - | - | Dec 31, 2023 |
| iSHARES TRUST | 0.00% | 366,208 | -21,167 | -5.46% | Mar 31, 2024 |
| EQ ADVISORS TRUST | 0.00% | 19,124 | -156 | -0.81% | Mar 31, 2024 |
| VALIC Co I | 0.00% | 4,018 | -16 | -0.40% | Feb 29, 2024 |
| PENN SERIES FUNDS INC | 0.00% | 400 | - | - | Mar 28, 2024 |
| NATIONWIDE MUTUAL FUNDS | 0.00% | 1,685 | - | - | Jan 31, 2024 |
| RYDEX DYNAMIC FUNDS | 0.00% | 47 | - | - | Dec 31, 2023 |
| NATIONWIDE VARIABLE INSURANCE TRUST | 0.00% | 1,448 | -18 | -1.23% | Mar 31, 2024 |
| USAA MUTUAL FUNDS TRUST | 0.00% | 1,881 | 339 | 21.98% | Jan 31, 2024 |
| ProFunds | 0.00% | 81 | -8 | -8.99% | Mar 31, 2024 |
| PROSHARES TRUST | 0.00% | 1,533 | 180 | 13.30% | Feb 29, 2024 |
| RYDEX VARIABLE TRUST | 0.00% | 6 | - | - | Dec 31, 2023 |
| MORGAN STANLEY PATHWAY FUNDS | 0.00% | 483 | - | - | Feb 29, 2024 |
| TIAA-CREF FUNDS | 0.00% | 13,719 | - | - | Jan 31, 2024 |
| Brighthouse Funds Trust II | 0.00% | 3,568 | - | - | Mar 31, 2024 |
| Bridge Builder Trust | 0.00% | 15,658 | - | - | Mar 31, 2024 |
| LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 0.00% | 8,000 | - | - | Mar 31, 2024 |
| SUNAMERICA SERIES TRUST | 0.00% | 1,186 | -5 | -0.42% | Jan 31, 2024 |
| Brinker Capital Destinations Trust | 0.00% | 184 | - | - | Feb 29, 2024 |
| JOHN HANCOCK VARIABLE INSURANCE TRUST | 0.00% | 4,130 | - | - | Mar 31, 2024 |
| FIDELITY SALEM STREET TRUST | 0.00% | 5,178 | 548 | 11.84% | Mar 31, 2024 |
| SEI INSTITUTIONAL MANAGED TRUST | 0.00% | 2,543 | 2,543 | - | Dec 31, 2023 |
| PACIFIC SELECT FUND | 0.00% | 3,102 | - | - | Mar 31, 2024 |
| GOLDMAN SACHS TRUST | 0.00% | 2,295 | -5,579 | -70.85% | Jan 31, 2024 |
| Advisors' Inner Circle Fund III | 0.00% | 43 | 43 | - | Jan 31, 2024 |
| SEI INSTITUTIONAL INVESTMENTS TRUST | 0.00% | 6,495 | 4,169 | 179.23% | Feb 29, 2024 |
| BlackRock Variable Series Funds, Inc. | 0.00% | 1,214 | - | - | Mar 31, 2024 |
| PRINCIPAL FUNDS, INC. | 0.00% | 1,492 | 459 | 44.43% | Jan 31, 2024 |
| BLACKROCK FUNDS | 0.00% | 1,167 | -53 | -4.34% | Jan 31, 2024 |
Merrimack Pharmaceuticals's largest mutual fund holder by % of total assets is "VANGUARD VALLEY FORGE FUNDS", owning 9.10K shares, compromising 0.02% of its total assets.
Merrimack Pharmaceuticals Institutional Ownership Trends
Institutional Holdings Trend
| Date | Holdings | Change % |
|---|---|---|
| 31 Mar, 24 | 71 | -2.74% |
| 31 Dec, 23 | 73 | 5.80% |
| 30 Sep, 23 | 69 | 4.55% |
| 30 Jun, 23 | 66 | 20.00% |
| 31 Mar, 23 | 55 | 3.77% |
| 31 Dec, 22 | 53 | 26.19% |
| 30 Sep, 22 | 42 | 5.00% |
| 30 Jun, 22 | 40 | -4.76% |
| 31 Mar, 22 | 42 | 13.51% |
| 31 Dec, 21 | 37 | -2.63% |
| 30 Sep, 21 | 38 | -13.64% |
| 30 Jun, 21 | 44 | -4.35% |
| 31 Mar, 21 | 46 | 17.95% |
| 31 Dec, 20 | 39 | 14.71% |
| 30 Sep, 20 | 34 | 6.25% |
| 30 Jun, 20 | 32 | -3.03% |
| 31 Mar, 20 | 33 | -28.26% |
| 31 Dec, 19 | 46 | 9.52% |
| 30 Sep, 19 | 42 | -10.64% |
| 30 Jun, 19 | 47 | -6.00% |
| 31 Mar, 19 | 50 | -1.96% |
| 31 Dec, 18 | 51 | -15.00% |
| 30 Sep, 18 | 60 | -18.92% |
| 30 Jun, 18 | 74 | -2.63% |
| 31 Mar, 18 | 76 | - |
| 31 Dec, 17 | 76 | 8.57% |
| 30 Sep, 17 | 70 | - |
As of 31 Mar 24, 71 institutions are holding Merrimack Pharmaceuticals's shares, representing a decrease of -2.74% compared to the previous quarter.
Shares Outstanding Trend
| Date | Shares Outstanding | Change % |
|---|---|---|
| 31 Mar, 24 | 9,284,828 | -0.28% |
| 31 Dec, 23 | 9,310,875 | 9.93% |
| 30 Sep, 23 | 8,469,958 | 5.80% |
| 30 Jun, 23 | 8,005,363 | 8.16% |
| 31 Mar, 23 | 7,401,712 | -2.02% |
| 31 Dec, 22 | 7,554,613 | -5.71% |
| 30 Sep, 22 | 8,011,730 | -0.64% |
| 30 Jun, 22 | 8,063,338 | 2.01% |
| 31 Mar, 22 | 7,904,138 | 5.43% |
| 31 Dec, 21 | 7,497,115 | -2.35% |
| 30 Sep, 21 | 7,677,540 | -2.47% |
| 30 Jun, 21 | 7,871,887 | -0.77% |
| 31 Mar, 21 | 7,933,110 | -0.55% |
| 31 Dec, 20 | 7,976,653 | 14.17% |
| 30 Sep, 20 | 6,986,681 | 13.47% |
| 30 Jun, 20 | 6,157,036 | -4.66% |
| 31 Mar, 20 | 6,457,872 | -6.78% |
| 31 Dec, 19 | 6,927,255 | 4.95% |
| 30 Sep, 19 | 6,600,323 | 2.40% |
| 30 Jun, 19 | 6,445,317 | 18.74% |
| 31 Mar, 19 | 5,428,104 | -11.74% |
| 31 Dec, 18 | 6,149,893 | -1.94% |
| 30 Sep, 18 | 6,271,677 | -4.65% |
| 30 Jun, 18 | 6,577,651 | -13.40% |
| 31 Mar, 18 | 7,595,408 | 5.83% |
| 31 Dec, 17 | 7,177,235 | 8.08% |
| 30 Sep, 17 | 6,640,611 | - |
Merrimack Pharmaceuticals (MACK) has 9.28M shares outstanding as of 31 Mar 24, down -0.28% compared to the previous quarter.
Institutional Ownership Trend
| Date | Ownership % | Change % |
|---|---|---|
| 31 Mar, 24 | 64.76% | 1.53% |
| 31 Dec, 23 | 65.02% | 1.85% |
| 30 Sep, 23 | 59.26% | 1.88% |
| 30 Jun, 23 | 56.17% | 2.08% |
| 31 Mar, 23 | 51.93% | 1.66% |
| 31 Dec, 22 | 55.86% | 1.57% |
| 30 Sep, 22 | 59.74% | 1.65% |
| 30 Jun, 22 | 60.13% | 1.73% |
| 31 Mar, 22 | 58.94% | 1.89% |
| 31 Dec, 21 | 55.91% | 1.71% |
| 30 Sep, 21 | 57.25% | 1.66% |
| 30 Jun, 21 | 58.70% | 1.67% |
| 31 Mar, 21 | 59.22% | 1.67% |
| 31 Dec, 20 | 59.62% | 2.19% |
| 30 Sep, 20 | 52.22% | 2.47% |
| 30 Jun, 20 | 46.02% | 1.98% |
| 31 Mar, 20 | 48.27% | 1.79% |
| 31 Dec, 19 | 51.88% | 2.12% |
| 30 Sep, 19 | 49.41% | 2.12% |
| 30 Jun, 19 | 48.30% | 2.92% |
| 31 Mar, 19 | 40.68% | 1.91% |
| 31 Dec, 18 | 46.09% | 2.09% |
| 30 Sep, 18 | 47.00% | 1.93% |
| 30 Jun, 18 | 49.30% | 1.52% |
| 31 Mar, 18 | 56.92% | 1.93% |
| 31 Dec, 17 | 54.24% | 2.17% |
| 30 Sep, 17 | 50.00% | - |
As of 31 Mar 24, Merrimack Pharmaceuticals is held by 64.76% institutional shareholders, representing a 1.53% growth compared to 31 Dec 23.
Institutional Increased Positions Trend
| Date | Increased Positions | Change % |
|---|---|---|
| 31 Mar, 24 | 24 | -33.33% |
| 31 Dec, 23 | 36 | 38.46% |
| 30 Sep, 23 | 26 | -29.73% |
| 30 Jun, 23 | 37 | 60.87% |
| 31 Mar, 23 | 23 | -17.86% |
| 31 Dec, 22 | 28 | 211.11% |
| 30 Sep, 22 | 9 | -25.00% |
| 30 Jun, 22 | 12 | -7.69% |
| 31 Mar, 22 | 13 | 116.67% |
| 31 Dec, 21 | 6 | -14.29% |
| 30 Sep, 21 | 7 | -50.00% |
| 30 Jun, 21 | 14 | -36.36% |
| 31 Mar, 21 | 22 | 57.14% |
| 31 Dec, 20 | 14 | 40.00% |
| 30 Sep, 20 | 10 | - |
| 30 Jun, 20 | 10 | 233.33% |
| 31 Mar, 20 | 3 | -75.00% |
| 31 Dec, 19 | 12 | -25.00% |
| 30 Sep, 19 | 16 | -11.11% |
| 30 Jun, 19 | 18 | -5.26% |
| 31 Mar, 19 | 19 | -9.52% |
| 31 Dec, 18 | 21 | -4.55% |
| 30 Sep, 18 | 22 | -40.54% |
| 30 Jun, 18 | 37 | 8.82% |
| 31 Mar, 18 | 34 | -19.05% |
| 31 Dec, 17 | 42 | -38.24% |
| 30 Sep, 17 | 68 | - |
24 institutional shareholders have increased their position in MACK stock as of 31 Mar 24 compared to 36 in the previous quarter (a -33.33% decrease).
Institutional Reduced Positions Trend
| Date | Reduced Positions | Change % |
|---|---|---|
| 31 Mar, 24 | 22 | 100.00% |
| 31 Dec, 23 | 11 | -26.67% |
| 30 Sep, 23 | 15 | 66.67% |
| 30 Jun, 23 | 9 | -10.00% |
| 31 Mar, 23 | 10 | -9.09% |
| 31 Dec, 22 | 11 | -21.43% |
| 30 Sep, 22 | 14 | 40.00% |
| 30 Jun, 22 | 10 | -9.09% |
| 31 Mar, 22 | 11 | - |
| 31 Dec, 21 | 11 | -8.33% |
| 30 Sep, 21 | 12 | -25.00% |
| 30 Jun, 21 | 16 | 128.57% |
| 31 Mar, 21 | 7 | -22.22% |
| 31 Dec, 20 | 9 | 12.50% |
| 30 Sep, 20 | 8 | - |
| 30 Jun, 20 | 8 | -38.46% |
| 31 Mar, 20 | 13 | -13.33% |
| 31 Dec, 19 | 15 | 36.36% |
| 30 Sep, 19 | 11 | -26.67% |
| 30 Jun, 19 | 15 | -6.25% |
| 31 Mar, 19 | 16 | -23.81% |
| 31 Dec, 18 | 21 | 5.00% |
| 30 Sep, 18 | 20 | 11.11% |
| 30 Jun, 18 | 18 | -18.18% |
| 31 Mar, 18 | 22 | 22.22% |
| 31 Dec, 17 | 18 | - |
| 30 Sep, 17 | - | - |
22 institutional shareholders have reduced their position in MACK stock as of 31 Mar 24 compared to 11 in the previous quarter (a 100.00% increase).
All Institutional Ownership Trend Data
| Date | Holdings | Change % | Shares Outstanding | Change % | Ownership % | Change % | Increased Positions | Change % | Reduced Positions | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 31 Mar, 24 | 71 | -2.74% | 9,284,828 | -0.28% | 64.76% | 1.53% | 24 | -33.33% | 22 | 100.00% |
| 31 Dec, 23 | 73 | 5.80% | 9,310,875 | 9.93% | 65.02% | 1.85% | 36 | 38.46% | 11 | -26.67% |
| 30 Sep, 23 | 69 | 4.55% | 8,469,958 | 5.80% | 59.26% | 1.88% | 26 | -29.73% | 15 | 66.67% |
| 30 Jun, 23 | 66 | 20.00% | 8,005,363 | 8.16% | 56.17% | 2.08% | 37 | 60.87% | 9 | -10.00% |
| 31 Mar, 23 | 55 | 3.77% | 7,401,712 | -2.02% | 51.93% | 1.66% | 23 | -17.86% | 10 | -9.09% |
| 31 Dec, 22 | 53 | 26.19% | 7,554,613 | -5.71% | 55.86% | 1.57% | 28 | 211.11% | 11 | -21.43% |
| 30 Sep, 22 | 42 | 5.00% | 8,011,730 | -0.64% | 59.74% | 1.65% | 9 | -25.00% | 14 | 40.00% |
| 30 Jun, 22 | 40 | -4.76% | 8,063,338 | 2.01% | 60.13% | 1.73% | 12 | -7.69% | 10 | -9.09% |
| 31 Mar, 22 | 42 | 13.51% | 7,904,138 | 5.43% | 58.94% | 1.89% | 13 | 116.67% | 11 | - |
| 31 Dec, 21 | 37 | -2.63% | 7,497,115 | -2.35% | 55.91% | 1.71% | 6 | -14.29% | 11 | -8.33% |
| 30 Sep, 21 | 38 | -13.64% | 7,677,540 | -2.47% | 57.25% | 1.66% | 7 | -50.00% | 12 | -25.00% |
| 30 Jun, 21 | 44 | -4.35% | 7,871,887 | -0.77% | 58.70% | 1.67% | 14 | -36.36% | 16 | 128.57% |
| 31 Mar, 21 | 46 | 17.95% | 7,933,110 | -0.55% | 59.22% | 1.67% | 22 | 57.14% | 7 | -22.22% |
| 31 Dec, 20 | 39 | 14.71% | 7,976,653 | 14.17% | 59.62% | 2.19% | 14 | 40.00% | 9 | 12.50% |
| 30 Sep, 20 | 34 | 6.25% | 6,986,681 | 13.47% | 52.22% | 2.47% | 10 | - | 8 | - |
| 30 Jun, 20 | 32 | -3.03% | 6,157,036 | -4.66% | 46.02% | 1.98% | 10 | 233.33% | 8 | -38.46% |
| 31 Mar, 20 | 33 | -28.26% | 6,457,872 | -6.78% | 48.27% | 1.79% | 3 | -75.00% | 13 | -13.33% |
| 31 Dec, 19 | 46 | 9.52% | 6,927,255 | 4.95% | 51.88% | 2.12% | 12 | -25.00% | 15 | 36.36% |
| 30 Sep, 19 | 42 | -10.64% | 6,600,323 | 2.40% | 49.41% | 2.12% | 16 | -11.11% | 11 | -26.67% |
| 30 Jun, 19 | 47 | -6.00% | 6,445,317 | 18.74% | 48.30% | 2.92% | 18 | -5.26% | 15 | -6.25% |
| 31 Mar, 19 | 50 | -1.96% | 5,428,104 | -11.74% | 40.68% | 1.91% | 19 | -9.52% | 16 | -23.81% |
| 31 Dec, 18 | 51 | -15.00% | 6,149,893 | -1.94% | 46.09% | 2.09% | 21 | -4.55% | 21 | 5.00% |
| 30 Sep, 18 | 60 | -18.92% | 6,271,677 | -4.65% | 47.00% | 1.93% | 22 | -40.54% | 20 | 11.11% |
| 30 Jun, 18 | 74 | -2.63% | 6,577,651 | -13.40% | 49.30% | 1.52% | 37 | 8.82% | 18 | -18.18% |
| 31 Mar, 18 | 76 | - | 7,595,408 | 5.83% | 56.92% | 1.93% | 34 | -19.05% | 22 | 22.22% |
| 31 Dec, 17 | 76 | 8.57% | 7,177,235 | 8.08% | 54.24% | 2.17% | 42 | -38.24% | 18 | - |
| 30 Sep, 17 | 70 | - | 6,640,611 | - | 50.00% | - | 68 | - | - | - |
Merrimack Pharmaceuticals Insider Shareholders Trades
Open Market Insider Trades
Open Market Insider Buys
Insider Sells
| Date | Name | Relation | Role | Transaction | Buy/Sell | Shares | Price | Value | Shares Held | Source |
|---|
All Insider Owners Trades
The last insider buy of MACK was made by Andersen Eric on Dec 28 2023, buying 857 shares at $13.35 per share (worth $11.44K).
Merrimack Pharmaceuticals Insider Ownership Trends
All Insider Trades Trend
| Date | Buy | Sell | Buy/Sell Ratio |
|---|---|---|---|
| Q4 2023 | 12 | - | - |
| Q3 2023 | 6 | - | - |
| Q2 2023 | 3 | - | - |
| Q1 2023 | 15 | - | - |
| Q4 2022 | 5 | - | - |
| Q3 2022 | 3 | - | - |
| Q2 2022 | 14 | 1 | 1400.00% |
| Q1 2022 | 32 | - | - |
| Q4 2021 | - | 1 | - |
| Q3 2021 | 1 | 1 | 100.00% |
| Q2 2021 | 12 | - | - |
| Q1 2021 | 9 | - | - |
| Q4 2020 | 10 | - | - |
| Q3 2020 | 20 | 2 | 1000.00% |
| Q2 2020 | 15 | - | - |
| Q4 2019 | 3 | - | - |
| Q3 2019 | 8 | - | - |
| Q2 2019 | 10 | 2 | 500.00% |
| Q1 2019 | - | 2 | - |
| Q4 2018 | 5 | - | - |
12 total buy trades, and 0 total sell trades (buy/sell ratio of 0%) were made by Merrimack Pharmaceuticals's insiders, as of Q4 2023.
Open Market Insider Trades Trend
| Date | Buy | Sell | Buy/Sell Ratio |
|---|---|---|---|
| Q4 2023 | 12 | - | - |
| Q3 2023 | 6 | - | - |
| Q2 2023 | - | - | - |
| Q1 2023 | 15 | - | - |
| Q4 2022 | 5 | - | - |
| Q3 2022 | 3 | - | - |
| Q2 2022 | 12 | - | - |
| Q1 2022 | 32 | - | - |
| Q4 2021 | - | 1 | - |
| Q3 2021 | 1 | 1 | 100.00% |
| Q2 2021 | 9 | - | - |
| Q1 2021 | 9 | - | - |
| Q4 2020 | 10 | - | - |
| Q3 2020 | 17 | 2 | 850.00% |
| Q2 2020 | 15 | - | - |
| Q4 2019 | - | - | - |
| Q3 2019 | 8 | - | - |
| Q2 2019 | 10 | - | - |
| Q1 2019 | - | - | - |
| Q4 2018 | - | - | - |
As of Q4 2023, Insider owners conducted 12 open market buy trades and 0 open market sell trades of Merrimack Pharmaceuticals's stocks.
MACK Ownership FAQ
Who Owns Merrimack Pharmaceuticals?
Merrimack Pharmaceuticals is owned by institutional shareholders (64.76%), insiders (1.19%), and public (34.05%). The largest institutional shareholder of Merrimack Pharmaceuticals is AMERICAN INTERNATIONAL GROUP, INC. (0% of total shares) and the top mutual fund owner is VANGUARD VALLEY FORGE FUNDS (0.02% of total shares).
Who are the major institutional shareholders of Merrimack Pharmaceuticals?
Merrimack Pharmaceuticals's major institutional shareholders are AMERICAN INTERNATIONAL GROUP, INC., JPMORGAN CHASE & CO, BANK OF AMERICA CORP /DE/, WELLS FARGO & COMPANY/MN, and NORTHERN TRUST CORP. The top five shareholders own together 0% of the company's share outstanding.
How many Merrimack Pharmaceuticals shareholders are there?
As of Mar 2024, there are 71 institutional shareholders of Merrimack Pharmaceuticals.
What percentage of Merrimack Pharmaceuticals is owned by AMERICAN INTERNATIONAL GROUP, INC?
AMERICAN INTERNATIONAL GROUP, INC owns 0 shares of Merrimack Pharmaceuticals, representing 0% of the company's total shares outstanding, valued at $0 (as of Jun 2024).
What percentage of Merrimack Pharmaceuticals is owned by JPMORGAN CHASE & CO?
As of Jun 2024, JPMORGAN CHASE & CO holds 0 shares of Merrimack Pharmaceuticals (MACK), compromising 0% of the company, valued at $0.
What percentage of Merrimack Pharmaceuticals is owned by BANK OF AMERICA CORP /DE/?
BANK OF AMERICA CORP /DE/ is the third largest holder of Merrimack Pharmaceuticals. The company owns 0 of the company's shares outstanding (worth $0).