Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Number of holders
120
Total 13F shares, excl. options
70,190,994
Shares change
+951,179
Total reported value, excl. options
$436,594,924
Value change
-$9,658,535
Number of buys
72
Number of sells
-39
Price
$6.22

Significant Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q4 2021

141 filings reported holding MRSN - Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share as of Q4 2021.
Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) has 120 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 70,190,994 shares .
Largest 10 shareholders include BlackRock Inc. (7,479,017 shares), Avoro Capital Advisors LLC (6,800,000 shares), Bain Capital Life Sciences Investors, LLC (5,385,667 shares), WELLINGTON MANAGEMENT GROUP LLP (5,017,078 shares), Sarissa Capital Management LP (4,299,297 shares), STATE STREET CORP (4,220,557 shares), Bellevue Group AG (4,164,000 shares), VANGUARD GROUP INC (3,607,431 shares), Rock Springs Capital Management LP (3,248,950 shares), and ORBIMED ADVISORS LLC (2,888,847 shares).
This table shows the top 120 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.