Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Total 13F shares
15,693,839
Share change
+497,432
Total reported value
$271,344,000
Price per share
$17.29
Number of holders
40
Value change
+$10,576,212
Number of buys
29
Number of sells
18

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) had 40 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions held a total of 15,693,839 shares of stock of the company.
Largest 10 holders included NEA Management Company, LLC, WELLINGTON MANAGEMENT GROUP LLP, FMR LLC, Rock Springs Capital Management LP, ArrowMark Colorado Holdings LLC, JPMORGAN CHASE & CO, Cormorant Asset Management, LLC, BlackRock Inc., VANGUARD GROUP INC, and Allianz Asset Management GmbH.
This table shows 40 institutional shareholders of the security as of 30 Sep 2017.
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.