Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
19,816,887
Share change
+685,615
Total reported value
$198,166,730
Price per share
$10.00
Number of holders
45
Value change
+$71,378
Number of buys
23
Number of sells
17

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q3 2018

As of 30 Sep 2018, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 45 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 19,816,887 shares. The largest 10 holders included NEA Management Company, LLC, WELLINGTON MANAGEMENT GROUP LLP, ArrowMark Colorado Holdings LLC, BlackRock Inc., Rock Springs Capital Management LP, ProQuest Associates IV LLC, RHO CAPITAL PARTNERS INC, Vanguard Group Inc, EcoR1 Capital, LLC, and MILLENNIUM MANAGEMENT LLC. This page lists 45 institutional shareholders reporting positions in this security for the Q3 2018 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.