Institutional Ownership Mersana Therapeutics, Inc. (MRSN)
This table provides information about the institutional ownership of Mersana Therapeutics, Inc. (MRSN). We have compiled data on the 115 institutions that hold shares in the stock, with a total of 98 Million shares, which have been reported (via 13F filing form) to have a value of $32.3 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Nextech Invest Ag
|
Feb 14, 2025 Q4 2024 |
12,067,246
shares
|
$4.46 Million
3.22% of portfolio
|
Q3 2024
Added 26.68%
|
|
|
Nextech Invest, Ltd.
Zurich, V8 |
May 15, 2025 Q1 2025 |
12,067,246
shares
|
$4.46 Million
0.97% of portfolio
|
Q1 2025
New holding
|
|
|
Bain Capital Life Sciences Investors, LLC
Boston, MA |
May 15, 2025 Q1 2025 |
8,663,673
shares
|
$3.21 Million
0.99% of portfolio
|
Q2 2022
Added 32.84%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
8,383,910
shares
|
$3.1 Million
0.0% of portfolio
|
Q2 2024
Added 3.56%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
8,377,767
shares
|
$3.1 Million
0.0% of portfolio
|
Q1 2025
Added 18.71%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
May 15, 2025 Q1 2025 |
7,614,064
shares
|
$2.82 Million
0.02% of portfolio
|
Q1 2025
Added 259.22%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
May 15, 2025 Q1 2025 |
5,143,749
shares
|
$1.9 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
May 15, 2025 Q1 2025 |
3,814,684
shares
|
$1.41 Million
0.08% of portfolio
|
Q1 2025
Added 11.16%
|
|
|
Vr Adviser, LLC
New York, NY |
May 15, 2025 Q1 2025 |
3,574,325
shares
|
$1.32 Million
0.29% of portfolio
|
Q1 2025
Reduced 65.16%
|
|
|
Silverarc Capital Management, LLC
|
May 14, 2025 Q1 2025 |
3,088,505
shares
|
$1.14 Million
0.26% of portfolio
|
Q1 2025
New holding
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
2,603,868
shares
|
$963,431
0.0% of portfolio
|
Q1 2025
Reduced 5.82%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
2,442,328
shares
|
$903,661
0.0% of portfolio
|
Q1 2025
Added 0.0%
|
|
|
Catalio Capital Management, LP
New York, NY |
May 15, 2025 Q1 2025 |
1,705,036
shares
|
$630,863
0.14% of portfolio
|
Q4 2024
New holding
|
|
|
683 Capital Management, LLC
New York, NY |
May 15, 2025 Q1 2025 |
1,650,000
shares
|
$610,500
0.05% of portfolio
|
Q1 2025
Added 83.33%
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
May 15, 2025 Q1 2025 |
1,333,124
shares
|
$493,255
0.0% of portfolio
|
Q1 2025
Added 19.89%
|
|
|
5 Am Venture Management, LLC
San Francisco, CA |
May 15, 2025 Q1 2025 |
1,305,000
shares
|
$482,850
0.31% of portfolio
|
Q2 2023
Added 10.13%
|
|
|
Qube Research & Technologies LTD
London, X0 |
May 15, 2025 Q1 2025 |
1,174,597
shares
|
$434,600
0.0% of portfolio
|
Q1 2025
Added 238.1%
|
|
|
Decheng Capital Management Iii (Cayman), LLC
|
Nov 13, 2023 Q3 2023 |
904,268
shares
|
$334,579
0.64% of portfolio
|
Q1 2022
New holding
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
864,787
shares
|
$319,971
0.0% of portfolio
|
Q1 2025
Reduced 6.98%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
May 14, 2025 Q1 2025 |
839,919
shares
|
$310,770
0.0% of portfolio
|
Q1 2025
Added 38.54%
|
|
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
May 09, 2025 Q1 2025 |
839,724
shares
|
$310,697
0.0% of portfolio
|
Q4 2024
Reduced 47.39%
|
|
|
Ieq Capital, LLC
|
May 14, 2025 Q1 2025 |
707,021
shares
|
$261,597
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Lion Point Capital, LP
New York, NY |
May 15, 2025 Q1 2025 |
644,000
shares
|
$238,280
2.24% of portfolio
|
Q1 2025
New holding
|
|
|
Alamea Verwaltungs Gmb H
Edison, NJ |
May 15, 2025 Q1 2025 |
604,213
shares
|
$223,558
0.18% of portfolio
|
Q1 2025
New holding
|
|
|
Goldman Sachs Group Inc
New York, NY |
May 16, 2025 Q1 2025 |
586,658
shares
|
$217,063
0.0% of portfolio
|
Q1 2025
Reduced 26.88%
|