CUSIP 59045L205
MERSANA THERAPEUTICS INC
64 institutions · $66.9M total · 3,043,056 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | Nextech Invest, Ltd. | 482,689 | $14.0M | 15.86% | 2025-12-31 |
| 2 | Bain Capital Life Sciences Investors, LLC | 346,545 | $10.0M | 11.38% | 2025-12-31 |
| 3 | VANGUARD GROUP INC | 183,934 | $5.3M | 6.04% | 2025-12-31 |
| 4 | Rock Springs Capital Management LP | 152,586 | $4.4M | 5.01% | 2025-12-31 |
| 5 | Alamea Verwaltungs GmbH | 24,165 | $3.3M | 0.79% | 2025-12-31 |
| 6 | Affinity Asset Advisors, LLC | 100,000 | $2.9M | 3.28% | 2025-12-31 |
| 7 | Schonfeld Strategic Advisors LLC | 273,579 | $2.1M | 8.99% | 2025-09-30 |
| 8 | BlackRock, Inc. | 69,140 | $2.0M | 2.27% | 2025-12-31 |
| 9 | BANK OF AMERICA CORP /DE/ | 65,707 | $1.9M | 2.15% | 2025-12-31 |
| 10 | MILLENNIUM MANAGEMENT LLC | 63,305 | $1.8M | 2.08% | 2025-12-31 |
| 11 | Groupe la Francaise | 61,488 | $1.8M | 2.02% | 2025-12-31 |
| 12 | Rangeley Capital, LLC | 57,098 | $1.7M | 1.87% | 2025-12-31 |
| 13 | GABELLI FUNDS LLC | 47,300 | $1.4M | 1.55% | 2025-12-31 |
| 14 | CREDIT INDUSTRIEL ET COMMERCIAL | 41,392 | $1.2M | 1.36% | 2025-12-31 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 36,268 | $1.0M | 1.19% | 2025-12-31 |
| 16 | SILVERARC CAPITAL MANAGEMENT, LLC | 133,636 | $1.0M | 4.39% | 2025-09-30 |
| 17 | AQR CAPITAL MANAGEMENT LLC | 35,829 | $1.0M | 1.17% | 2025-12-31 |
| 18 | MACKENZIE FINANCIAL CORP | 33,834 | $967.4K | 1.11% | 2025-12-31 |
| 19 | Yakira Capital Management, Inc. | 32,663 | $944.9K | 1.07% | 2025-12-31 |
| 20 | 683 Capital Management, LLC | 100,000 | $776.0K | 3.28% | 2025-09-30 |
| 21 | RENAISSANCE TECHNOLOGIES LLC | 88,465 | $686.5K | 2.90% | 2025-09-30 |
| 22 | CITADEL ADVISORS LLC | 22,493 | $650.7K | 0.73% | 2025-12-31 |
| 23 | STATE STREET CORP | 19,543 | $565.4K | 0.64% | 2025-12-31 |
| 24 | MORGAN STANLEY | 18,319 | $530.0K | 0.60% | 2025-12-31 |
| 25 | DELTEC ASSET MANAGEMENT LLC | 18,000 | $520.7K | 0.59% | 2025-12-31 |
| 26 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 15,400 | $445.5K | 0.50% | 2025-12-31 |
| 27 | EQUITEC PROPRIETARY MARKETS, LLC | 15,000 | $433.9K | 0.49% | 2025-12-31 |
| 28 | 5AM Venture Management, LLC | 52,200 | $405.1K | 1.71% | 2025-09-30 |
| 29 | IEQ CAPITAL, LLC | 12,955 | $374.8K | 0.42% | 2025-12-31 |
| 30 | XTX Topco Ltd | 11,948 | $345.7K | 0.39% | 2025-12-31 |
| 31 | TWO SIGMA ADVISERS, LP | 40,640 | $315.4K | 1.33% | 2025-09-30 |
| 32 | Point72 Asset Management, L.P. | 10,364 | $299.8K | 0.34% | 2025-12-31 |
| 33 | GAMCO INVESTORS, INC. ET AL | 10,000 | $289.3K | 0.32% | 2025-12-31 |
| 34 | Knott David M Jr | 10,000 | $289.3K | 0.32% | 2025-12-31 |
| 35 | NORTHERN TRUST CORP | 8,579 | $248.2K | 0.28% | 2025-12-31 |
| 36 | TWO SIGMA INVESTMENTS, LP | 30,688 | $238.1K | 1.00% | 2025-09-30 |
| 37 | OMERS ADMINISTRATION Corp | 7,900 | $228.5K | 0.25% | 2025-12-31 |
| 38 | DRW Securities, LLC | 13,851 | $107.5K | 0.45% | 2025-09-30 |
| 39 | Voleon Capital Management LP | 13,200 | $102.4K | 0.43% | 2025-09-30 |
| 40 | MARSHALL WACE, LLP | 163,133 | $48.9K | 5.36% | 2025-06-30 |
| 41 | BNP PARIBAS FINANCIAL MARKETS | 1,090 | $31.5K | 0.03% | 2025-12-31 |
| 42 | GROUP ONE TRADING LLC | 1,073 | $31.0K | 0.03% | 2025-12-31 |
| 43 | Tower Research Capital LLC (TRC) | 376 | $10.9K | 0.01% | 2025-12-31 |
| 44 | China Universal Asset Management Co., Ltd. | 875 | $6.8K | 0.02% | 2025-09-30 |
| 45 | UBS Group AG | 221 | $6.4K | 0.00% | 2025-12-31 |
| 46 | Royal Bank of Canada | 162 | $5.0K | 0.00% | 2025-12-31 |
| 47 | ACADIAN ASSET MANAGEMENT LLC | 110,882 | $3.2K | 3.64% | 2025-12-31 |
| 48 | OSAIC HOLDINGS, INC. | 103 | $3.0K | 0.00% | 2025-12-31 |
| 49 | Lion Point Capital, LP | 100 | $2.9K | 0.00% | 2025-12-31 |
| 50 | FLAGSHIP HARBOR ADVISORS, LLC | 76 | $2.2K | 0.00% | 2025-12-31 |
| 51 | JPMORGAN CHASE & CO | 65 | $1.9K | 0.00% | 2025-12-31 |
| 52 | BARCLAYS PLC | 198 | $1.5K | 0.00% | 2025-09-30 |
| 53 | SBI Securities Co., Ltd. | 53 | $1.5K | 0.00% | 2025-12-31 |
| 54 | Mirae Asset Global Investments Co., Ltd. | 193 | $1.5K | 0.00% | 2025-09-30 |
| 55 | Arax Advisory Partners | 157 | $1.2K | 0.00% | 2025-09-30 |
| 56 | WELLS FARGO & COMPANY/MN | 40 | $1.2K | 0.00% | 2025-12-31 |
| 57 | HUNTINGTON NATIONAL BANK | 32 | $926 | 0.00% | 2025-12-31 |
| 58 | CITIGROUP INC | 97 | $753 | 0.00% | 2025-09-30 |
| 59 | GF FUND MANAGEMENT CO. LTD. | 94 | $729 | 0.00% | 2025-09-30 |
| 60 | FMR LLC | 8 | $231 | 0.00% | 2025-12-31 |
| 61 | IFP Advisors, Inc | 3 | $87 | 0.00% | 2025-12-31 |
| 62 | CWM, LLC | 2,286 | $66 | 0.07% | 2025-12-31 |
| 63 | Mint Tower Capital Management B.V. | 1,035 | $30 | 0.03% | 2025-12-31 |
| 64 | DANSKE BANK A/S | 1 | $29 | 0.00% | 2025-12-31 |