Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
70,515,120
Share change
-418,781
Total reported value
$957,028,788
Price per share
$13.58
Number of holders
128
Value change
-$10,361,127
Number of buys
62
Number of sells
57

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) was held by 128 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 70,515,120 shares. The 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 page lists 128 institutional shareholders reporting positions in this security for the Q2 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.