Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
70,190,994
Share change
+951,179
Total reported value
$436,594,924
Price per share
$6.22
Number of holders
120
Value change
-$9,658,535
Number of buys
72
Number of sells
39

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q4 2021

As of 31 Dec 2021, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 120 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 70,190,994 shares. The largest 10 holders included BlackRock Inc., Avoro Capital Advisors LLC, Bain Capital Life Sciences Investors, LLC, WELLINGTON MANAGEMENT GROUP LLP, Sarissa Capital Management LP, STATE STREET CORP, Bellevue Group AG, VANGUARD GROUP INC, Rock Springs Capital Management LP, and ORBIMED ADVISORS LLC. This page lists 120 institutional shareholders reporting positions in this security for the Q4 2021 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.