Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
69,773,540
Share change
-332,267
Total reported value
$946,957,788
Price per share
$13.58
Number of holders
129
Value change
-$9,186,549
Number of buys
66
Number of sells
58

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q2 2021

As of 30 Jun 2021 Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) had 129 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions held a total of 69,773,540 shares of stock of the company.
Largest 10 holders included BlackRock Inc., WELLINGTON MANAGEMENT GROUP LLP, Avoro Capital Advisors LLC, Sarissa Capital Management LP, Bain Capital Life Sciences Investors, LLC, STATE STREET CORP, VANGUARD GROUP INC, Bellevue Group AG, Rock Springs Capital Management LP, and ORBIMED ADVISORS LLC.
This table shows 129 institutional shareholders of the security as of 30 Jun 2021.
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.