Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
112,399,497
Share change
+6,108,456
Total reported value
$369,792,616
Put/Call ratio
10%
Price per share
$3.29
Number of holders
145
Value change
+$12,845,282
Number of buys
89
Number of sells
81

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q2 2023

As of 30 Jun 2023 Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) had 145 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions held a total of 112,399,497 shares of stock of the company.
Largest 10 holders included Bain Capital Life Sciences Investors, LLC, BlackRock Inc., ORBIMED ADVISORS LLC, Avoro Capital Advisors LLC, VANGUARD GROUP INC, Bellevue Group AG, STATE STREET CORP, Balyasny Asset Management L.P., Avidity Partners Management LP, and Rock Springs Capital Management LP.
This table shows 145 institutional shareholders of the security as of 30 Jun 2023.
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.