CUSIP 00211Y506
ARCA BIOPHARMA INC
52 institutions · $128.5M total · 34,980,334 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | PERCEPTIVE ADVISORS LLC | 15,507,760 | $59.4M | 44.33% | 2024-06-30 |
| 2 | Cable Car Capital, LP | 4,000,452 | $15.3M | 11.43% | 2024-06-30 |
| 3 | DRIEHAUS CAPITAL MANAGEMENT LLC | 3,846,150 | $14.7M | 10.99% | 2024-06-30 |
| 4 | RTW INVESTMENTS, LP | 1,400,000 | $5.4M | 4.00% | 2024-06-30 |
| 5 | JANUS HENDERSON GROUP PLC | 1,382,736 | $5.2M | 3.95% | 2024-06-30 |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,200,000 | $4.6M | 3.43% | 2024-06-30 |
| 7 | Avidity Partners Management LP | 1,000,000 | $3.8M | 2.85% | 2024-06-30 |
| 8 | VR Adviser, LLC | 866,375 | $3.3M | 2.47% | 2024-06-30 |
| 9 | COWEN AND COMPANY, LLC | 700,000 | $2.7M | 2.00% | 2024-06-30 |
| 10 | MORGAN STANLEY | 650,000 | $2.5M | 1.85% | 2025-03-31 |
| 11 | Western Standard LLC | 1,410,143 | $2.5M | 4.03% | 2024-03-31 |
| 12 | VANGUARD GROUP INC | 453,598 | $1.7M | 1.29% | 2024-06-30 |
| 13 | COMMODORE CAPITAL LP | 414,325 | $1.6M | 1.18% | 2024-06-30 |
| 14 | BML Capital Management, LLC | 706,930 | $1.2M | 2.02% | 2024-03-31 |
| 15 | BlackRock Inc. | 231,238 | $885.6K | 0.66% | 2024-06-30 |
| 16 | Newtyn Management, LLC | 300,000 | $603.0K | 0.85% | 2023-12-31 |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 153,299 | $587.2K | 0.43% | 2024-06-30 |
| 18 | ADAR1 Capital Management, LLC | 84,676 | $324.3K | 0.24% | 2024-06-30 |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 73,099 | $280.0K | 0.20% | 2024-06-30 |
| 20 | Affinity Asset Advisors, LLC | 72,484 | $277.6K | 0.20% | 2024-06-30 |
| 21 | STATE STREET CORP | 59,707 | $228.7K | 0.17% | 2024-06-30 |
| 22 | SG3 Management, LLC | 100,000 | $206.0K | 0.28% | 2023-06-30 |
| 23 | DIMENSIONAL FUND ADVISORS LP | 42,502 | $162.8K | 0.12% | 2024-06-30 |
| 24 | abrdn plc | 32,461 | $124.3K | 0.09% | 2024-06-30 |
| 25 | Cubist Systematic Strategies, LLC | 27,779 | $106.4K | 0.07% | 2024-09-30 |
| 26 | Murchinson Ltd. | 50,593 | $102.7K | 0.14% | 2023-09-30 |
| 27 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 46,948 | $94.4K | 0.13% | 2023-12-31 |
| 28 | CITADEL ADVISORS LLC | 22,100 | $84.6K | 0.06% | 2024-06-30 |
| 29 | NORTHERN TRUST CORP | 20,982 | $80.4K | 0.05% | 2024-06-30 |
| 30 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 19,500 | $74.7K | 0.05% | 2024-06-30 |
| 31 | Tekla Capital Management LLC | 32,461 | $65.9K | 0.09% | 2023-09-30 |
| 32 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 14,988 | $57.4K | 0.04% | 2024-06-30 |
| 33 | JANE STREET GROUP, LLC | 14,578 | $34.5K | 0.04% | 2023-03-31 |
| 34 | Marquette Asset Management, LLC | 17,318 | $34.5K | 0.04% | 2023-06-30 |
| 35 | GROUP ONE TRADING, L.P. | 7,131 | $27.3K | 0.02% | 2024-06-30 |
| 36 | Activest Wealth Management | 2,000 | $7.7K | 0.00% | 2024-06-30 |
| 37 | TD Waterhouse Canada Inc. | 1,300 | $3.2K | 0.00% | 2023-12-31 |
| 38 | Tower Research Capital LLC (TRC) | 344 | $1.3K | 0.00% | 2024-06-30 |
| 39 | PNC Financial Services Group, Inc. | 500 | $1.0K | 0.00% | 2023-09-30 |
| 40 | Parallel Advisors, LLC | 244 | $935 | 0.00% | 2024-06-30 |
| 41 | BANK OF AMERICA CORP /DE/ | 115 | $441 | 0.00% | 2024-06-30 |
| 42 | FMR LLC | 201 | $358 | 0.00% | 2024-03-31 |
| 43 | UBS Group AG | 125 | $251 | 0.00% | 2023-12-31 |
| 44 | Qube Research & Technologies Ltd | 50 | $192 | 0.00% | 2024-06-30 |
| 45 | ADVISOR GROUP HOLDINGS, INC. | 55 | $110 | 0.00% | 2023-12-31 |
| 46 | JPMORGAN CHASE & CO | 16 | $61 | 0.00% | 2024-12-31 |
| 47 | HRT FINANCIAL LP | 12,714 | $22 | 0.03% | 2024-03-31 |
| 48 | SIMPLEX TRADING, LLC | 275 | $1 | 0.00% | 2024-06-30 |
| 49 | WELLS FARGO & COMPANY/MN | 0 | $1 | 0.00% | 2024-06-30 |
| 50 | BARCLAYS PLC | 49 | $0 | 0.00% | 2023-06-30 |
| 51 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2024-06-30 |
| 52 | Royal Bank of Canada | 33 | $0 | 0.00% | 2024-09-30 |