Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
4,992,318
Number of holders
130
Total 13F shares, excl. options
68,154,863
Shares change
+1,124,706
Total reported value, excl. options
$1,102,711,080
Value change
-$36,197,720
Put/Call ratio
89.05%
Number of buys
68
Number of sells
-79
Price
$16.18

Significant Holders of Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) as of Q1 2021

177 filings reported holding MRSN - Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share as of Q1 2021.
Mersana Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MRSN) has 130 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 68,154,863 shares .
Largest 10 shareholders include BlackRock Inc. (8,002,086 shares), Avoro Capital Advisors LLC (6,800,000 shares), WELLINGTON MANAGEMENT GROUP LLP (6,177,793 shares), Sarissa Capital Management LP (4,005,600 shares), STATE STREET CORP (3,746,000 shares), Bain Capital Life Sciences Investors, LLC (3,695,667 shares), VANGUARD GROUP INC (3,117,369 shares), PRICE T ROWE ASSOCIATES INC /MD/ (2,974,087 shares), Bellevue Group AG (2,850,010 shares), and Rock Springs Capital Management LP (2,775,127 shares).
This table shows the top 130 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.