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 138 institutions that hold shares in the stock, with a total of 101 Million shares, which have been reported (via 13F filing form) to have a value of $38.3 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|
Nextech Invest Ag
|
Feb 14, 2025 Q4 2024 |
12,067,246
shares
|
$4.59 Million
3.22% of portfolio
|
Q3 2024
Added 26.68%
|
|
|
Eco R1 Capital, LLC
San Francisco, CA |
Feb 14, 2025 Q4 2024 |
11,328,000
shares
|
$4.3 Million
0.76% of portfolio
|
Q4 2024
Reduced 41.5%
|
|
|
Vr Adviser, LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
10,257,790
shares
|
$3.9 Million
2.42% of portfolio
|
Q4 2024
Reduced 9.45%
|
|
|
Bain Capital Life Sciences Investors, LLC
Boston, MA |
Feb 14, 2025 Q4 2024 |
8,663,673
shares
|
$3.29 Million
3.35% of portfolio
|
Q2 2022
Added 32.84%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
8,383,910
shares
|
$3.19 Million
0.0% of portfolio
|
Q2 2024
Added 3.56%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Feb 11, 2025 Q4 2024 |
7,057,516
shares
|
$2.68 Million
0.0% of portfolio
|
Q4 2024
Reduced 1.67%
|
|
|
Novo Holdings
Hellerup, G7 |
Feb 14, 2025 Q4 2024 |
4,250,000
shares
|
$1.62 Million
0.49% of portfolio
|
Q4 2024
New holding
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
Feb 14, 2025 Q4 2024 |
3,431,684
shares
|
$1.3 Million
0.2% of portfolio
|
Q4 2024
Added 12.63%
|
|
|
State Street Corp
Boston, MA |
Feb 14, 2025 Q4 2024 |
2,764,895
shares
|
$1.05 Million
0.0% of portfolio
|
Q4 2024
Added 1.45%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Feb 12, 2025 Q4 2024 |
2,534,447
shares
|
$963,089
0.0% of portfolio
|
Q4 2024
Added 7.79%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Feb 12, 2025 Q4 2024 |
2,442,250
shares
|
$928,055
0.0% of portfolio
|
Q4 2024
Added 1.2%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
2,119,586
shares
|
$805,442
0.02% of portfolio
|
Q4 2024
Reduced 4.67%
|
|
|
Catalio Capital Management, LP
New York, NY |
Feb 14, 2025 Q4 2024 |
1,705,036
shares
|
$647,913
0.53% of portfolio
|
Q4 2024
New holding
|
|
|
5 Am Venture Management, LLC
San Francisco, CA |
Feb 14, 2025 Q4 2024 |
1,305,000
shares
|
$495,900
0.83% of portfolio
|
Q2 2023
Added 10.13%
|
|
|
Morgan Stanley
New York, NY |
Feb 14, 2025 Q4 2024 |
1,203,356
shares
|
$457,275
0.0% of portfolio
|
Q4 2024
Reduced 11.79%
|
|
|
Acuta Capital Partners, LLC
Belmont, CA |
Feb 14, 2025 Q4 2024 |
1,120,500
shares
|
$425,790
2.28% of portfolio
|
Q4 2024
Reduced 6.63%
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
Feb 14, 2025 Q4 2024 |
1,111,998
shares
|
$422,559
0.01% of portfolio
|
Q4 2024
Added 11.98%
|
|
|
Baker Bros. Advisors LP
New York, NY |
Feb 14, 2025 Q4 2024 |
1,086,115
shares
|
$412,723
0.02% of portfolio
|
Q2 2023
Reduced 42.42%
|
|
|
Octagon Capital Advisors LP
New York, NY |
Feb 14, 2025 Q4 2024 |
992,000
shares
|
$376,960
0.32% of portfolio
|
Q2 2024
Reduced 0.8%
|
|
|
Bank Of America Corp
Charlotte, NC |
Feb 14, 2025 Q4 2024 |
953,952
shares
|
$362,501
0.0% of portfolio
|
Q4 2024
Reduced 3.64%
|
|
|
Northern Trust Corp
Chicago, IL |
Feb 14, 2025 Q4 2024 |
929,708
shares
|
$353,289
0.0% of portfolio
|
Q4 2024
Reduced 0.41%
|
|
|
Decheng Capital Management Iii (Cayman), LLC
|
Nov 13, 2023 Q3 2023 |
904,268
shares
|
$343,621
0.64% of portfolio
|
Q1 2022
New holding
|
|
|
683 Capital Management, LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
900,000
shares
|
$342,000
0.09% of portfolio
|
Q4 2024
Added 392.36%
|
|
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
Feb 14, 2025 Q4 2024 |
839,724
shares
|
$319,095
0.0% of portfolio
|
Q4 2024
Reduced 47.39%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Feb 11, 2025 Q4 2024 |
802,366
shares
|
$304,899
0.0% of portfolio
|
Q4 2024
Reduced 59.05%
|