Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
16,648,048
Share change
+497,617
Total reported value
$287,842,000
Price per share
$17.29
Number of holders
40
Value change
+$10,579,447
Number of buys
29
Number of sells
17

Institutional Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q3 2017

As of 30 Sep 2017, Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) was held by 40 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 16,648,048 shares. The largest 10 holders included NEA Management Company, LLC, WELLINGTON MANAGEMENT GROUP LLP, FMR LLC, Rock Springs Capital Management LP, ProQuest Associates IV LLC, ArrowMark Colorado Holdings LLC, JPMORGAN CHASE & CO, Cormorant Asset Management, LLC, BlackRock Inc., and VANGUARD GROUP INC. This page lists 40 institutional shareholders reporting positions in this security for the Q3 2017 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.