Mersana Therapeutics Inc. (MRSN)
NASDAQ: MRSN
· Real-Time Price · USD
8.28
0.28 (3.50%)
At close: Oct 03, 2025, 3:59 PM
8.11
-2.05%
After-hours: Oct 03, 2025, 06:33 PM EDT
13F Institute Ownership
Total Institutes of 77 in Mersana Therapeutics reduced their positions with a decrease of 34 investors compared to the previous quarter. A reduction of 17.67M shares, as total invested capital grew by $489.8M with ownership percentage dropping from 71.18% to 56.37%.
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Nextech Invest, Ltd. | 9.68% | 12.07M | +0.00% | 3.57B | 0.68% | Aug 14, 2025 |
| Bain Capital Life Sciences Inv... | 6.95% | 8.66M | +0.00% | 2.56M | 0.32% | Aug 14, 2025 |
| Vanguard Group Inc | 6.16% | 7.68M | -8.35% | 2.27M | < 0.01% | Aug 11, 2025 |
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