Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
87,949,584
Share change
-16,798,108
Total reported value
$30,265,069
Put/Call ratio
80%
Price per share
$0.34
Number of holders
109
Value change
-$35,777,227
Number of buys
51
Number of sells
80

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q1 2025

As of 31 Mar 2025, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 109 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 87,949,584 shares. The largest 10 holders included Nextech Invest, Ltd., Bain Capital Life Sciences Investors, LLC, VANGUARD GROUP INC, BlackRock, Inc., Schonfeld Strategic Advisors LLC, AQR CAPITAL MANAGEMENT LLC, Rock Springs Capital Management LP, VR ADVISER, LLC, SILVERARC CAPITAL MANAGEMENT, LLC, and ACADIAN ASSET MANAGEMENT LLC. This page lists 109 institutional shareholders reporting positions in this security for the Q1 2025 filing period.
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.