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 101 Million shares, which have been reported (via 13F filing form) to have a value of $31.3 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Intech Investment Management LLC
West Palm Beach, FL |
May 20, 2025 Q1 2025 |
90,358
shares
|
$28,010
0.0% of portfolio
|
Q1 2025
Added 77.08%
|
|
|
Citigroup Inc
|
May 12, 2025 Q1 2025 |
81,625
shares
|
$25,303
0.0% of portfolio
|
Q1 2025
Reduced 16.57%
|
|
|
Wells Fargo & Company
San Francisco, CA |
May 13, 2025 Q1 2025 |
78,488
shares
|
$24,331
0.0% of portfolio
|
Q1 2025
Added 16.31%
|
|
|
Sei Investments CO
Oaks, PA |
May 14, 2025 Q1 2025 |
69,527
shares
|
$21,553
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
May 15, 2025 Q1 2025 |
68,760
shares
|
$21,315
0.0% of portfolio
|
Q1 2025
Added 4.28%
|
|
|
Qvt Financial LP
New York, NY |
May 15, 2025 Q1 2025 |
62,657
shares
|
$19,423
0.0% of portfolio
|
Q1 2021
New holding
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
May 14, 2025 Q1 2025 |
62,093
shares
|
$19,248
0.0% of portfolio
|
Q4 2024
Reduced 37.33%
|
|
|
Prudential Financial Inc
Newark, NJ |
May 13, 2025 Q1 2025 |
61,535
shares
|
$19,075
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Alpha Paradigm Partners, LLC
Chicago, IL |
Feb 13, 2023 Q4 2022 |
58,578
shares
|
$18,159
0.14% of portfolio
|
Q4 2022
New holding
|
|
|
Two Sigma Investments, LP
New York, NY |
May 15, 2025 Q1 2025 |
53,652
shares
|
$16,632
0.0% of portfolio
|
Q1 2025
Reduced 74.56%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
50,704
shares
|
$15,718
0.0% of portfolio
|
Q1 2025
Reduced 98.0%
|
|
|
Hrt Financial LP
New York, NY |
May 15, 2025 Q1 2025 |
46,497
shares
|
$14,414
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
May 13, 2025 Q1 2025 |
42,638
shares
|
$13,217
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Merit Financial Group, LLC
|
Apr 09, 2025 Q1 2025 |
41,904
shares
|
$12,990
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
New York State Common Retirement Fund
|
May 01, 2025 Q1 2025 |
37,235
shares
|
$11,542
0.0% of portfolio
|
Q2 2024
Added 0.22%
|
|
|
Sg Americas Securities, LLC
|
Apr 15, 2025 Q1 2025 |
35,527
shares
|
$11,013
0.0% of portfolio
|
Q1 2025
Reduced 68.36%
|
|
|
Walleye Trading LLC
Plymouth, MN |
May 14, 2025 Q1 2025 |
31,526
shares
|
$9,773
0.0% of portfolio
|
Q1 2024
New holding
|
|
|
Captrust Financial Advisors
Raleigh, NC |
May 14, 2025 Q1 2025 |
31,134
shares
|
$9,651
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
State Board Of Administration Of Florida Retirement System
|
May 12, 2025 Q1 2025 |
28,800
shares
|
$8,928
0.0% of portfolio
|
Q2 2024
Added 5.1%
|
|
|
Pro Share Advisors LLC
|
May 08, 2025 Q1 2025 |
28,784
shares
|
$8,923
0.0% of portfolio
|
Q1 2025
Reduced 23.85%
|
|
|
Tower Research Capital LLC (Trc)
New York, NY |
May 15, 2025 Q1 2025 |
26,165
shares
|
$8,111
0.0% of portfolio
|
Q1 2025
Added 192.05%
|
|
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
Apr 29, 2025 Q1 2025 |
24,779
shares
|
$7,681
0.0% of portfolio
|
Q1 2025
Reduced 5.4%
|
|
|
Mercer Global Advisors Inc
Denver, CO |
May 15, 2025 Q1 2025 |
24,077
shares
|
$7,463
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Cibc World Markets Corp
New York, NY |
May 13, 2025 Q1 2025 |
23,791
shares
|
$7,375
0.0% of portfolio
|
Q1 2025
Added 124.11%
|
|
|
Prio Wealth Limited Partnership
Boston, MA |
Oct 21, 2024 Q3 2024 |
23,529
shares
|
$7,293
0.0% of portfolio
|
Q1 2018
New holding
|