Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
36,928,875
Share change
+19,765,863
Total reported value
$194,243,065
Price per share
$5.26
Number of holders
64
Value change
+$104,827,316
Number of buys
45
Number of sells
12

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q1 2019

As of 31 Mar 2019, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 64 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 36,928,875 shares. The largest 10 holders included NEA Management Company, LLC, Sarissa Capital Management LP, ArrowMark Colorado Holdings LLC, BVF INC/IL, EcoR1 Capital, LLC, ORBIMED ADVISORS LLC, Point72 Asset Management, L.P., VANGUARD GROUP INC, Rock Springs Capital Management LP, and WELLINGTON MANAGEMENT GROUP LLP. This page lists 64 institutional shareholders reporting positions in this security for the Q1 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.