Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
68,137,745
Share change
-265,069
Total reported value
$1,813,136,515
Put/Call ratio
39%
Price per share
$26.61
Number of holders
147
Value change
+$51,864,511
Number of buys
81
Number of sells
59

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q4 2020

As of 31 Dec 2020, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 147 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 68,137,745 shares. The largest 10 holders included BlackRock Inc., Avoro Capital Advisors LLC, WELLINGTON MANAGEMENT GROUP LLP, Bain Capital Life Sciences Investors, LLC, PRICE T ROWE ASSOCIATES INC /MD/, STATE STREET CORP, VANGUARD GROUP INC, Sarissa Capital Management LP, Rock Springs Capital Management LP, and CITADEL ADVISORS LLC. This page lists 147 institutional shareholders reporting positions in this security for the Q4 2020 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.