Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
39,955,892
Share change
+3,073,149
Total reported value
$161,842,717
Price per share
$4.05
Number of holders
77
Value change
+$11,993,581
Number of buys
52
Number of sells
19

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q2 2019

As of 30 Jun 2019, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 77 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 39,955,892 shares. The largest 10 holders included NEA Management Company, LLC, Sarissa Capital Management LP, BVF INC/IL, ArrowMark Colorado Holdings LLC, BlackRock Inc., BOXER CAPITAL, LLC, VANGUARD GROUP INC, ORBIMED ADVISORS LLC, Rock Springs Capital Management LP, and EcoR1 Capital, LLC. This page lists 77 institutional shareholders reporting positions in this security for the Q2 2019 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.