Who owns Mersana Therapeutics Inc?
- Ticker: MRSN
- CUSIP Number: 59045l205
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Analyze quarterly positions in Mersana Therapeutics with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Mersana Therapeutics stock
Who bought or sold Mersana Therapeutics Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Nextech Invest | 483k | $14M | 0% | Dec 2025 |
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| Bain Capital Life Sciences Investors | 347k | $10M | 0% | Dec 2025 |
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| Vanguard Group | 210k | $6.1M | -30% | Dec 2025 |
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| Rock Springs Capital Management | 153k | $4.4M | 0% | Dec 2025 |
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| Knott David M Jr | 112k | $3.2M | 100% | Dec 2025 |
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| Acadian Asset Management | 111k | $3.2M | -22% | Dec 2025 |
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| Affinity Asset Advisors | 100k | $2.9M | 100% | Dec 2025 |
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| Millennium Management | 78k | $605k | 100% | Sep 2025 |
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| BlackRock | 69k | $2.0M | -28% | Dec 2025 |
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| Groupe la Francaise | 62k | $1.8M | 100% | Dec 2025 |
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| Rangeley Capital | 57k | $1.7M | 100% | Dec 2025 |
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| Gabelli Funds | 47k | $1.4M | 100% | Dec 2025 |
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| AQR Capital Management | 47k | $363k | 100% | Sep 2025 |
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| Geode Capital Management | 44k | $1.3M | 5% | Dec 2025 |
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| Credit Industriel Et Commercial | 41k | $1.2M | 100% | Dec 2025 |
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| Two Sigma Advisers | 41k | $315k | 100% | Sep 2025 |
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| Mackenzie Financial | 34k | $967k | -29% | Dec 2025 |
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| Yakira Capital Management | 33k | $945k | 100% | Dec 2025 |
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| Two Sigma Investments | 31k | $238k | 100% | Sep 2025 |
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| Alamea Verwaltungs GmbH | 24k | $3.3M | -94% | Dec 2025 |
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| Equitec Proprietary Markets | 21k | $596k | 100% | Dec 2025 |
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| State Street Corporation | 20k | $565k | -35% | Dec 2025 |
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| Deltec Asset Management | 18k | $521k | 100% | Dec 2025 |
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| Susquehanna International | 15k | $446k | 100% | Dec 2025 |
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| Voleon Capital Management | 13k | $102k | 100% | Sep 2025 |
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| Ieq Capital | 13k | $375k | -15% | Dec 2025 |
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| XTX Topco | 12k | $346k | 100% | Dec 2025 |
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| Point72 Asset Management | 10k | $300k | 100% | Dec 2025 |
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| GAMCO Asset Management | 10k | $289k | 100% | Dec 2025 |
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| Northern Trust | 8.6k | $248k | 100% | Dec 2025 |
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| OMERS Administration Corporation | 7.9k | $229k | 100% | Dec 2025 |
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| Jpmorgan Chase & Co | 6.1k | $47k | 100% | Sep 2025 |
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| FMR | 4.9k | $38k | 100% | Sep 2025 |
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| CWM | 2.3k | $66k | -21% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 1.1k | $32k | 105% | Dec 2025 |
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| Group One Trading | 1.1k | $31k | 12% | Dec 2025 |
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| Mint Tower Capital Management B.V. | 1.0k | $30k | 100% | Dec 2025 |
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| Royal Bank of Canada | 692.00 | $5.0k | 100% | Sep 2025 |
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| Tower Research Capital | 376.00 | $11k | -76% | Dec 2025 |
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| UBS Group | 221.00 | $6.4k | -97% | Dec 2025 |
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| Advisor Group Holdings | 103.00 | $3.0k | 0% | Dec 2025 |
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| Lion Point Capital | 100.00 | $2.9k | -100% | Dec 2025 |
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| Flagship Harbor Advisors | 76.00 | $2.2k | 100% | Dec 2025 |
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| SBI Securities | 53.00 | $1.5k | -2% | Dec 2025 |
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| Wells Fargo & Company | 40.00 | $1.2k | -97% | Dec 2025 |
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| Huntington National Bank | 32.00 | $926.000000 | 0% | Dec 2025 |
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| IFP Advisors | 3.00 | $87.000000 | -40% | Dec 2025 |
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| Danske Bank A/s | 1.00 | $29.000000 | 0% | Dec 2025 |
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Who sold out of Mersana Therapeutics?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Schonfeld Strategic Advisors | Sep 2025 | 274k | $2.1M |
| Silverarc Capital Management | Sep 2025 | 134k | $1.0M |
| 683 Capital Management | Sep 2025 | 100k | $776k |
| Renaissance Technologies | Sep 2025 | 89k | $687k |
| 5AM Venture Management | Sep 2025 | 52k | $405k |
| DRW Holdings | Sep 2025 | 14k | $108k |
| China Universal Asset Management | Sep 2025 | 875.00 | $6.8k |
| Barclays | Sep 2025 | 198.00 | $1.5k |
| Mirae Asset Global Investments | Sep 2025 | 193.00 | $1.5k |
| SRS Capital Advisors | Sep 2025 | 157.00 | $1.2k |
| Gf Fund Management | Sep 2025 | 94.00 | $728.998200 |