Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
38,476,429
Share change
-1,479,082
Total reported value
$60,791,070
Price per share
$1.58
Number of holders
73
Value change
-$6,777,200
Number of buys
35
Number of sells
30

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q3 2019

As of 30 Sep 2019, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 73 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 38,476,429 shares. The largest 10 holders included NEA Management Company, LLC, BVF INC/IL, Sarissa Capital Management LP, BlackRock Inc., ORBIMED ADVISORS LLC, VANGUARD GROUP INC, BOXER CAPITAL, LLC, Rock Springs Capital Management LP, JPMORGAN CHASE & CO, and WELLINGTON MANAGEMENT GROUP LLP. This page lists 73 institutional shareholders reporting positions in this security for the Q3 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.