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 |
|---|---|---|---|---|---|
| Vanguard Group | 210k | $6.1M | -30% | Dec 2025 |
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| Affinity Asset Advisors | 100k | $2.9M | 100% | Dec 2025 |
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| Gabelli Funds | 47k | $1.4M | 100% | Dec 2025 |
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| State Street Corporation | 20k | $565k | -35% | Dec 2025 |
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| Susquehanna International | 15k | $446k | 100% | Dec 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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| GAMCO Asset Management | 10k | $289k | 100% | Dec 2025 |
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| Northern Trust | 8.6k | $248k | 100% | Dec 2025 |
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| CWM | 2.3k | $66k | -21% | Dec 2025 |
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| Tower Research Capital | 376.00 | $11k | -76% | Dec 2025 |
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| Advisor Group Holdings | 103.00 | $3.0k | 0% | Dec 2025 |
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| Huntington National Bank | 32.00 | $926.000000 | 0% | Dec 2025 |
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| FMR | 8.00 | $231.000000 | -100% | Dec 2025 |
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| IFP Advisors | 3.00 | $87.000000 | 0% | Mar 2026 |
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Who sold out of Mersana Therapeutics?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Nextech Invest | Dec 2025 | 483k | $14M |
| Bain Capital Life Sciences Investors | Dec 2025 | 347k | $10M |
| Rock Springs Capital Management | Dec 2025 | 153k | $4.4M |
| Silverarc Capital Management | Sep 2025 | 134k | $1.0M |
| Knott David M Jr | Dec 2025 | 112k | $3.2M |
| Acadian Asset Management | Dec 2025 | 111k | $3.2M |
| Renaissance Technologies | Sep 2025 | 89k | $687k |
| BlackRock | Dec 2025 | 69k | $2.0M |
| Millennium Management | Dec 2025 | 63k | $1.8M |
| Groupe la Francaise | Dec 2025 | 62k | $1.8M |
| Rangeley Capital | Dec 2025 | 57k | $1.7M |
| Geode Capital Management | Dec 2025 | 44k | $1.3M |
| Credit Industriel Et Commercial | Dec 2025 | 41k | $1.2M |
| AQR Capital Management | Dec 2025 | 37k | $1.1M |
| Mackenzie Financial | Dec 2025 | 34k | $967k |
| Yakira Capital Management | Dec 2025 | 33k | $945k |
| Alamea Verwaltungs GmbH | Dec 2025 | 24k | $3.3M |
| Citadel Advisors | Dec 2025 | 23k | $651k |
| Equitec Proprietary Markets | Dec 2025 | 21k | $596k |
| Morgan Stanley | Dec 2025 | 19k | $535k |
| Deltec Asset Management | Dec 2025 | 18k | $521k |
| Point72 Asset Management | Dec 2025 | 10k | $300k |
| OMERS Administration Corporation | Dec 2025 | 7.9k | $229k |
| Jpmorgan Chase & Co | Sep 2025 | 6.1k | $47k |
| Bnp Paribas Arbitrage, Snc | Dec 2025 | 1.1k | $32k |
| Group One Trading | Dec 2025 | 1.1k | $31k |
| Mint Tower Capital Management B.V. | Dec 2025 | 1.0k | $30k |
| Royal Bank of Canada | Sep 2025 | 692.00 | $5.0k |
| UBS Group | Dec 2025 | 221.00 | $6.4k |
| Barclays | Sep 2025 | 198.00 | $1.5k |
| Lion Point Capital | Dec 2025 | 100.00 | $2.9k |
| Flagship Harbor Advisors | Dec 2025 | 76.00 | $2.2k |
| SBI Securities | Dec 2025 | 53.00 | $1.5k |
| Wells Fargo & Company | Dec 2025 | 40.00 | $1.2k |
| SHP Wealth Management | Dec 2025 | 25.00 | $723.000000 |