Q3 2025 13F Holders as of 30 Sep 2025
-
Type / Class
-
Equity / Common Stock, par value $0.0001 per share
-
Shares outstanding
-
4,998,537
-
Number of holders
-
45
-
Total 13F shares, excl. options
-
3,128,210
-
Shares change
-
+2,899,340
-
Total reported value, excl. options
-
$24,272,592
-
Value change
-
+$24,189,765
-
Number of buys
-
43
-
Number of sells
-
2
-
Price
-
$7.76
Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q3 2025
As of 30 Sep 2025 Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) had 46 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions held a total of 3,128,210 shares of stock of the company.
Largest 10 holders included Nextech Invest, Ltd., Alamea Verwaltungs GmbH, Bain Capital Life Sciences Investors, LLC, VANGUARD GROUP INC, Schonfeld Strategic Advisors LLC, Rock Springs Capital Management LP, ACADIAN ASSET MANAGEMENT LLC, SILVERARC CAPITAL MANAGEMENT, LLC, 683 Capital Management, LLC, and BlackRock, Inc..
This table shows 46 institutional shareholders of the security as of 30 Sep 2025.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.