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Mersana Therapeutics, Inc. (MRSN)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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3.2100+0.0600 (+1.90%)
At close: 04:00PM EDT
3.2200 +0.01 (+0.31%)
After hours: 05:31PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
1.33%% of shares held by all insiders
95.23%% of shares held by institutions
96.51%% of float held by institutions
150Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC19,364,68830 Dec 202315.96%62,160,649
VR Adviser, LLC11,328,00030 Dec 20239.34%36,362,880
Balyasny Asset Management LLC9,698,14730 Dec 20237.99%31,131,052
Bain Capital Life Sciences Investors, LLC8,663,67330 Dec 20237.14%27,810,390
Blackrock Inc.7,844,28230 Dec 20236.47%25,180,145
SilverArc Capital Management, LLC6,420,13630 Dec 20235.29%20,608,636
Vanguard Group Inc6,237,58830 Dec 20235.14%20,022,657
Nextech Invest Ag5,978,32730 Dec 20234.93%19,190,429
Morgan Stanley4,134,54630 Dec 20233.41%13,271,892
Millennium Management Llc3,394,44030 Dec 20232.80%10,896,152

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund3,413,78230 Dec 20232.81%10,958,240
iShares Russell 2000 ETF2,720,76028 Feb 20242.24%8,733,639
Vanguard Extended Market Index Fund1,496,33730 Dec 20231.23%4,803,241
Fidelity Small Cap Index Fund1,121,19530 Jan 20240.92%3,599,035
iShares Russell 2000 Growth ETF611,97428 Feb 20240.50%1,964,436
Fidelity Extended Market Index Fund579,72728 Feb 20240.48%1,860,923
Vanguard Variable Insurance Fund-Small Company Growth544,45630 Dec 20230.45%1,747,703
iShares Russell 2000 Value ETF422,46428 Feb 20240.35%1,356,109
Vanguard Russell 2000 Index Fund321,47029 Nov 20230.27%1,031,918
Schwab Capital Trust-Small Cap Index Fund263,50130 Jan 20240.22%845,838