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 $33.2 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Jane Street Group, LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
151,526
shares
|
$53,034
0.0% of portfolio
|
Q4 2024
Reduced 63.7%
|
|
|
Macquarie Group LTD
Australia, C3 |
Feb 14, 2025 Q4 2024 |
150,000
shares
|
$52,500
0.0% of portfolio
|
Q4 2022
Reduced 2.47%
|
|
|
Wealth Enhancement Advisory Services, LLC
|
Apr 16, 2025 Q1 2025 |
130,700
shares
|
$45,745
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Citigroup Inc
|
Feb 12, 2025 Q4 2024 |
97,831
shares
|
$34,240
0.0% of portfolio
|
Q4 2024
Added 18.85%
|
|
|
Pallas Capital Advisors LLC
Braintree, MA |
Apr 14, 2025 Q1 2025 |
94,531
shares
|
$33,085
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
Feb 20, 2025 Q4 2024 |
91,956
shares
|
$32,184
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
Feb 14, 2025 Q4 2024 |
91,852
shares
|
$32,148
0.0% of portfolio
|
Q4 2024
Reduced 70.24%
|
|
|
Met Life Investment Management, LLC
Whippany, NJ |
Feb 13, 2025 Q4 2024 |
73,150
shares
|
$25,602
0.0% of portfolio
|
Q4 2024
Added 115.68%
|
|
|
Sei Investments CO
Oaks, PA |
Feb 11, 2025 Q4 2024 |
69,527
shares
|
$24,334
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Wells Fargo & Company
San Francisco, CA |
Feb 12, 2025 Q4 2024 |
67,483
shares
|
$23,619
0.0% of portfolio
|
Q4 2024
Added 40.25%
|
|
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
Feb 14, 2025 Q4 2024 |
65,936
shares
|
$23,077
0.0% of portfolio
|
Q4 2024
Added 4.45%
|
|
|
Xtx Topco LTD
London, X0 |
Feb 13, 2025 Q4 2024 |
63,530
shares
|
$22,235
0.01% of portfolio
|
Q4 2024
Reduced 81.71%
|
|
|
Qvt Financial LP
New York, NY |
Feb 14, 2025 Q4 2024 |
62,657
shares
|
$21,929
0.01% of portfolio
|
Q1 2021
New holding
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Feb 14, 2025 Q4 2024 |
62,093
shares
|
$21,732
0.0% of portfolio
|
Q4 2024
Reduced 37.33%
|
|
|
Algert Global LLC
San Francisco, CA |
Feb 14, 2025 Q4 2024 |
60,083
shares
|
$21,029
0.0% of portfolio
|
Q4 2024
Reduced 5.36%
|
|
|
Alpha Paradigm Partners, LLC
Chicago, IL |
Feb 13, 2023 Q4 2022 |
58,578
shares
|
$20,502
0.14% of portfolio
|
Q4 2022
New holding
|
|
|
Invesco Ltd.
Atlanta, GA |
Feb 13, 2025 Q4 2024 |
54,872
shares
|
$19,205
0.0% of portfolio
|
Q4 2024
Reduced 1.1%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Feb 14, 2025 Q4 2024 |
53,329
shares
|
$18,665
0.0% of portfolio
|
Q4 2024
Added 16.83%
|
|
|
Group One Trading, L.P.
Chicago, IL |
Feb 14, 2025 Q4 2024 |
52,283
shares
|
$18,299
0.0% of portfolio
|
Q4 2024
Added 60.53%
|
|
|
Prelude Capital Management, LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
51,357
shares
|
$17,974
0.0% of portfolio
|
Q4 2024
Reduced 85.92%
|
|
|
Intech Investment Management LLC
West Palm Beach, FL |
Feb 10, 2025 Q4 2024 |
51,028
shares
|
$17,859
0.0% of portfolio
|
Q4 2024
Added 86.63%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Feb 14, 2025 Q4 2024 |
49,853
shares
|
$17,448
0.0% of portfolio
|
Q4 2024
Reduced 33.36%
|
|
|
Graham Capital Management, L.P.
Rowayton, CT |
Feb 14, 2025 Q4 2024 |
49,724
shares
|
$17,403
0.0% of portfolio
|
Q4 2024
Added 17.23%
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Feb 14, 2025 Q4 2024 |
45,296
shares
|
$15,853
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
Feb 14, 2025 Q4 2024 |
43,990
shares
|
$15,396
0.0% of portfolio
|
Q4 2024
Reduced 1.09%
|