Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
37,565,444
Share change
+1,580,834
Total reported value
$152,161,717
Price per share
$4.05
Number of holders
75
Value change
+$5,949,799
Number of buys
50
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 75 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 37,565,444 shares. The largest 10 holders included NEA Management Company, LLC, Sarissa Capital Management LP, BVF INC/IL, ArrowMark Colorado Holdings LLC, BOXER CAPITAL, LLC, VANGUARD GROUP INC, ORBIMED ADVISORS LLC, Rock Springs Capital Management LP, EcoR1 Capital, LLC, and WELLINGTON MANAGEMENT GROUP LLP. This page lists 75 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.