Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
19,130,665
Share change
+424,233
Total reported value
$341,672,448
Price per share
$17.86
Number of holders
51
Value change
+$7,920,216
Number of buys
29
Number of sells
24

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q2 2018

As of 30 Jun 2018, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 51 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 19,130,665 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, Ghost Tree Capital, LLC, VANGUARD GROUP INC, and FIL Ltd. This page lists 51 institutional shareholders reporting positions in this security for the Q2 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.