Mersana Therapeutics Inc. (MRSN)
NASDAQ: MRSN
· Real-Time Price · USD
7.14
-0.28 (-3.77%)
At close: Aug 15, 2025, 3:59 PM
7.44
4.20%
After-hours: Aug 15, 2025, 06:16 PM EDT
13F Institute Ownership
Total Institutes of 111 in Mersana Therapeutics reduced their positions with a decrease of 26 investors compared to the previous quarter. A reduction of 16.35M shares, as total invested capital declined by $118.88M with ownership percentage dropping from 84.99% to 71.18%.
Options Activity
Institutions are holding more Calls Contracts as Puts Contracts, indicating a bullish sentiment.
Put/Call 0.797
0.80
Call Flow 16,300
56%
Put Flow 13,000
44%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Bain Capital Life Sciences Inv... | 7.07% | 8.66M | +0.00% | 2.98M | 0.44% | May 15, 2025 |
| Vanguard Group Inc | 6.78% | 8.38M | +18.71% | 2.88M | < 0.01% | May 09, 2025 |
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