CUSIP 590328209
MERRIMACK PHARMACEUTICALS IN
104 institutions · $153.6M total · 11,148,503 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | Western Standard LLC | 2,172,513 | $32.1M | 19.48% | 2024-03-31 |
| 2 | Newtyn Management, LLC | 1,873,694 | $27.7M | 16.80% | 2024-03-31 |
| 3 | ADAR1 Capital Management, LLC | 902,350 | $13.3M | 8.09% | 2024-03-31 |
| 4 | 22NW, LP | 1,015,048 | $11.6M | 9.10% | 2023-03-31 |
| 5 | VANGUARD GROUP INC | 599,443 | $8.9M | 5.37% | 2024-03-31 |
| 6 | Madison Avenue Partners, LP | 387,221 | $5.7M | 3.47% | 2024-03-31 |
| 7 | BlackRock Inc. | 366,227 | $5.4M | 3.28% | 2024-03-31 |
| 8 | DIMENSIONAL FUND ADVISORS LP | 312,676 | $4.7M | 2.80% | 2024-06-30 |
| 9 | Sepio Capital, LP | 298,545 | $4.4M | 2.67% | 2024-03-31 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 272,015 | $4.0M | 2.43% | 2024-03-31 |
| 11 | Invesco Ltd. | 271,890 | $4.0M | 2.43% | 2024-03-31 |
| 12 | STATE STREET CORP | 246,853 | $3.6M | 2.21% | 2024-03-31 |
| 13 | Sio Capital Management, LLC | 288,466 | $3.6M | 2.58% | 2023-12-31 |
| 14 | WITTENBERG INVESTMENT MANAGEMENT, INC. | 210,239 | $3.1M | 1.88% | 2024-03-31 |
| 15 | Centiva Capital, LP | 187,803 | $2.3M | 1.68% | 2023-12-31 |
| 16 | Yakira Capital Management, Inc. | 120,756 | $1.8M | 1.08% | 2024-03-31 |
| 17 | Indaba Capital Management, L.P. | 136,802 | $1.7M | 1.22% | 2023-12-31 |
| 18 | NORTHERN TRUST CORP | 102,836 | $1.5M | 0.92% | 2024-03-31 |
| 19 | Nantahala Capital Management, LLC | 111,148 | $1.4M | 0.99% | 2023-09-30 |
| 20 | Caption Management, LLC | 100,000 | $1.2M | 0.89% | 2023-12-31 |
| 21 | KENNEDY CAPITAL MANAGEMENT LLC | 93,708 | $1.2M | 0.84% | 2023-12-31 |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 77,397 | $1.1M | 0.69% | 2024-03-31 |
| 23 | Bank of New York Mellon Corp | 60,690 | $896.4K | 0.54% | 2024-03-31 |
| 24 | ORBIMED ADVISORS LLC | 73,600 | $843.5K | 0.66% | 2023-03-31 |
| 25 | CITADEL ADVISORS LLC | 51,200 | $756.2K | 0.45% | 2024-03-31 |
| 26 | PURA VIDA INVESTMENTS, LLC | 64,100 | $734.6K | 0.57% | 2023-03-31 |
| 27 | BOOTHBAY FUND MANAGEMENT, LLC | 46,437 | $571.2K | 0.41% | 2023-09-30 |
| 28 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 34,200 | $505.1K | 0.30% | 2024-03-31 |
| 29 | Belvedere Trading LLC | 37,100 | $456.0K | 0.33% | 2023-06-30 |
| 30 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 29,628 | $437.6K | 0.26% | 2024-03-31 |
| 31 | MORGAN STANLEY | 23,401 | $345.6K | 0.20% | 2024-09-30 |
| 32 | TWO SIGMA INVESTMENTS, LP | 20,401 | $301.3K | 0.18% | 2024-03-31 |
| 33 | GOLDMAN SACHS GROUP INC | 15,316 | $231.7K | 0.13% | 2024-06-30 |
| 34 | Nuveen Asset Management, LLC | 13,719 | $202.6K | 0.12% | 2024-03-31 |
| 35 | JOHNSON INVESTMENT COUNSEL INC | 13,480 | $199.1K | 0.12% | 2024-03-31 |
| 36 | BROWN ADVISORY INC | 15,029 | $184.7K | 0.13% | 2023-06-30 |
| 37 | Connor, Clark & Lunn Investment Management Ltd. | 14,405 | $177.2K | 0.12% | 2023-09-30 |
| 38 | Schonfeld Strategic Advisors LLC | 10,800 | $159.5K | 0.09% | 2024-03-31 |
| 39 | MARTINGALE ASSET MANAGEMENT L P | 10,520 | $155.4K | 0.09% | 2024-03-31 |
| 40 | UBS Group AG | 10,510 | $155.2K | 0.09% | 2024-03-31 |
| 41 | SHERBROOKE PARK ADVISERS LLC | 10,006 | $147.8K | 0.08% | 2024-03-31 |
| 42 | Aristides Capital LLC | 10,000 | $147.7K | 0.08% | 2024-03-31 |
| 43 | FIFTH LANE CAPITAL, LP | 10,929 | $134.4K | 0.09% | 2023-12-31 |
| 44 | MILLENNIUM MANAGEMENT LLC | 10,749 | $132.2K | 0.09% | 2023-09-30 |
| 45 | TWO SIGMA ADVISERS, LP | 11,181 | $128.1K | 0.10% | 2023-03-31 |
| 46 | FMR LLC | 8,080 | $119.3K | 0.07% | 2024-03-31 |
| 47 | JANE STREET GROUP, LLC | 7,708 | $113.8K | 0.06% | 2024-03-31 |
| 48 | JPMORGAN CHASE & CO | 7,305 | $107.9K | 0.06% | 2024-12-31 |
| 49 | NEW YORK STATE COMMON RETIREMENT FUND | 8,207 | $101.2K | 0.07% | 2025-09-30 |
| 50 | MetLife Investment Management, LLC | 5,610 | $82.9K | 0.05% | 2024-03-31 |
| 51 | AMERICAN INTERNATIONAL GROUP, INC. | 5,160 | $76.2K | 0.04% | 2024-03-31 |
| 52 | BNP PARIBAS ARBITRAGE, SNC | 5,077 | $75.0K | 0.04% | 2024-03-31 |
| 53 | Mascoma Wealth Management LLC | 5,000 | $61.6K | 0.04% | 2023-12-31 |
| 54 | GROUP ONE TRADING, L.P. | 4,528 | $55.8K | 0.04% | 2023-12-31 |
| 55 | American Portfolios Advisors | 6,778 | $54.6K | 0.06% | 2023-03-31 |
| 56 | WELLS FARGO & COMPANY/MN | 3,161 | $46.7K | 0.02% | 2024-03-31 |
| 57 | RHUMBLINE ADVISERS | 2,480 | $37.5K | 0.02% | 2024-06-30 |
| 58 | AZZAD ASSET MANAGEMENT INC /ADV | 11,200 | $36.5K | 0.10% | 2024-03-31 |
| 59 | CITIGROUP INC | 1,728 | $25.5K | 0.01% | 2024-03-31 |
| 60 | Dorsey Wright & Associates | 1,933 | $23.8K | 0.01% | 2023-12-31 |
| 61 | BANK OF AMERICA CORP /DE/ | 1,474 | $21.8K | 0.01% | 2024-03-31 |
| 62 | FREEDOM WEALTH ALLIANCE, LLC | 1,820 | $20.9K | 0.01% | 2023-03-31 |
| 63 | NewEdge Advisors, LLC | 1,406 | $20.8K | 0.01% | 2024-03-31 |
| 64 | WEBSTER BANK, N. A. | 1,527 | $18.8K | 0.01% | 2023-12-31 |
| 65 | Legal & General Group Plc | 1,286 | $17.2K | 0.01% | 2025-03-31 |
| 66 | Russell Investments Group, Ltd. | 1,111 | $16.4K | 0.00% | 2024-03-31 |
| 67 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1,053 | $15.6K | 0.00% | 2024-03-31 |
| 68 | DARK FOREST CAPITAL MANAGEMENT LP | 1,060 | $13.0K | 0.00% | 2023-06-30 |
| 69 | Ameritas Investment Partners, Inc. | 865 | $12.8K | 0.00% | 2024-03-31 |
| 70 | Metropolitan Life Insurance Co/NY | 581 | $8.6K | 0.00% | 2024-03-31 |
| 71 | COMERICA BANK | 500 | $7.4K | 0.00% | 2024-03-31 |
| 72 | BALDWIN BROTHERS LLC/MA | 500 | $6.1K | 0.00% | 2023-06-30 |
| 73 | DEUTSCHE BANK AG\ | 383 | $5.7K | 0.00% | 2025-06-30 |
| 74 | Sandy Spring Bank | 300 | $4.4K | 0.00% | 2024-03-31 |
| 75 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 300 | $4.4K | 0.00% | 2024-03-31 |
| 76 | Tower Research Capital LLC (TRC) | 280 | $4.1K | 0.00% | 2024-03-31 |
| 77 | Royal Bank of Canada | 188 | $3.0K | 0.00% | 2024-09-30 |
| 78 | PNC Financial Services Group, Inc. | 165 | $2.4K | 0.00% | 2024-03-31 |
| 79 | RENAISSANCE TECHNOLOGIES LLC | 162,184 | $2.4K | 1.45% | 2024-03-31 |
| 80 | JBF Capital, Inc. | 39,637 | $1.2K | 0.35% | 2024-06-30 |
| 81 | MARSHALL WACE, LLP | 38,221 | $1.1K | 0.34% | 2024-06-30 |
| 82 | FEDERATED HERMES, INC. | 88 | $1.1K | 0.00% | 2023-12-31 |
| 83 | POM Investment Strategies, LLC | 69 | $1.0K | 0.00% | 2024-03-31 |
| 84 | ARMSTRONG ADVISORY GROUP, INC | 45 | $604 | 0.00% | 2024-03-31 |
| 85 | STRS OHIO | 19,000 | $280 | 0.17% | 2024-03-31 |
| 86 | AdvisorNet Financial, Inc | 20 | $247 | 0.00% | 2023-12-31 |
| 87 | BARCLAYS PLC | 7,348 | $108 | 0.06% | 2024-03-31 |
| 88 | LAZARD ASSET MANAGEMENT LLC | 2,830 | $41 | 0.02% | 2024-06-30 |
| 89 | GAMMA Investing LLC | 2 | $30 | 0.00% | 2024-03-31 |
| 90 | Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 2 | $29 | 0.00% | 2024-03-31 |
| 91 | AMALGAMATED BANK | 353 | $5 | 0.00% | 2024-03-31 |
| 92 | TSFG, LLC | 160 | $2 | 0.00% | 2024-03-31 |
| 93 | Horrell Capital Management, Inc. | 50 | $1 | 0.00% | 2024-03-31 |
| 94 | Cutler Group LLC / CA | 2,000 | $0 | 0.01% | 2023-06-30 |
| 95 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2024-03-31 |
| 96 | Capital Advisors, Ltd. LLC | 28 | $0 | 0.00% | 2024-03-31 |
| 97 | Cornerstone Planning Group LLC | 231 | $0 | 0.00% | 2024-06-30 |
| 98 | Covestor Ltd | 106 | $0 | 0.00% | 2024-06-30 |
| 99 | CWM, LLC | 22 | $0 | 0.00% | 2024-06-30 |
| 100 | CALDWELL SUTTER CAPITAL, INC. | 7,458 | $0 | 0.06% | 2024-06-30 |
| 101 | Farther Finance Advisors, LLC | 77 | $0 | 0.00% | 2024-09-30 |
| 102 | Rise Advisors, LLC | 272 | $0 | 0.00% | 2024-09-30 |
| 103 | NISA INVESTMENT ADVISORS, LLC | 15 | $0 | 0.00% | 2024-12-31 |
| 104 | MASSMUTUAL TRUST CO FSB/ADV | 24,500 | $0 | 0.21% | 2025-12-31 |