Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4.99M
Number of holders
125
Total 13F shares, excl. options
80.8M
Shares change
+9.72M
Total reported value, excl. options
$322M
Value change
+$33.2M
Put/Call ratio
4.55
Number of buys
65
Number of sells
-51
Price
$3.99

Significant Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q1 2022

143 filings reported holding MRSN - Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share as of Q1 2022.
Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) has 125 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 80.8M shares .
Largest 10 shareholders include BlackRock Inc. (7.63M shares), Avoro Capital Advisors LLC (6.8M shares), Bain Capital Life Sciences Investors, LLC (6.52M shares), MILLENNIUM MANAGEMENT LLC (4.88M shares), ORBIMED ADVISORS LLC (4.79M shares), Sarissa Capital Management LP (4.3M shares), Bellevue Group AG (3.95M shares), Rock Springs Capital Management LP (3.76M shares), VANGUARD GROUP INC (3.44M shares), and Artal Group S.A. (2.2M shares).
This table shows the top 125 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.