Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4.99M
Number of holders
81
Total 13F shares, excl. options
40.1M
Shares change
+4.52M
Total reported value, excl. options
$234M
Value change
+$26.4M
Number of buys
54
Number of sells
-23
Price
$5.83

Significant Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q1 2020

92 filings reported holding MRSN - Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share as of Q1 2020.
Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) has 81 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 40.1M shares .
Largest 10 shareholders include NEA Management Company, LLC (12M shares), Sarissa Capital Management LP (3.75M shares), BlackRock Inc. (3.29M shares), VR Adviser, LLC (2.62M shares), BVF INC/IL (2.37M shares), Ghost Tree Capital, LLC (2M shares), VANGUARD GROUP INC (1.89M shares), ORBIMED ADVISORS LLC (1.35M shares), Rock Springs Capital Management LP (1.23M shares), and ACUTA CAPITAL PARTNERS, LLC (828K shares).
This table shows the top 81 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
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.