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 |
|---|---|---|---|---|---|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
586,658
shares
|
$181,863
0.0% of portfolio
|
Q1 2025
Reduced 26.88%
|
|
|
Clari Vest Asset Management LLC
San Diego, CA |
Nov 12, 2024 Q3 2024 |
500,498
shares
|
$155,154
0.09% of portfolio
|
Q2 2024
Added 6.07%
|
|
|
Woodline Partners LP
San Francisco, CA |
May 15, 2025 Q1 2025 |
435,593
shares
|
$135,033
0.0% of portfolio
|
Q4 2024
Added 0.47%
|
|
|
Panagora Asset Management Inc
Boston, MA |
May 15, 2025 Q1 2025 |
370,448
shares
|
$114,838
0.0% of portfolio
|
Q1 2025
Added 54.56%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
319,805
shares
|
$99,139
0.0% of portfolio
|
Q1 2025
Added 97.09%
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
314,371
shares
|
$97,455
0.0% of portfolio
|
Q1 2025
Reduced 67.05%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
307,130
shares
|
$95,210
0.0% of portfolio
|
Q1 2025
Reduced 74.48%
|
|
|
State Of Wyoming
Cheyenne, WY |
May 14, 2025 Q1 2025 |
295,498
shares
|
$91,604
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
280,631
shares
|
$86,995
0.0% of portfolio
|
Q1 2025
Reduced 10.23%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
May 15, 2025 Q1 2025 |
258,200
shares
|
$80,042
0.0% of portfolio
|
Q1 2025
Reduced 42.37%
|
|
|
Cerity Partners LLC
New York, NY |
Apr 30, 2025 Q1 2025 |
244,235
shares
|
$75,712
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
241,073
shares
|
$74,732
0.0% of portfolio
|
Q1 2025
Added 383.57%
|
|
|
Nuveen, LLC
Charlotte, NC |
May 12, 2025 Q1 2025 |
232,223
shares
|
$71,989
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
232,223
shares
|
$71,989
0.0% of portfolio
|
Q4 2024
Added 53.59%
|
|
|
Alliancebernstein L.P.
New York, NY |
May 15, 2025 Q1 2025 |
186,060
shares
|
$57,678
0.0% of portfolio
|
Q2 2024
Added 10.22%
|
|
|
Cwm, LLC
|
May 01, 2025 Q1 2025 |
184,825
shares
|
$57,295
0.0% of portfolio
|
Q1 2025
Added 102580.56%
|
|
|
Rhumbline Advisers
Boston, MA |
May 29, 2025 Q1 2025 |
154,163
shares
|
$47,790
0.0% of portfolio
|
Q4 2024
Added 11.48%
|
|
|
Macquarie Group LTD
Australia, C3 |
May 15, 2025 Q1 2025 |
150,000
shares
|
$46,500
0.0% of portfolio
|
Q4 2022
Reduced 2.47%
|
|
|
Algert Global LLC
San Francisco, CA |
May 13, 2025 Q1 2025 |
135,013
shares
|
$41,854
0.0% of portfolio
|
Q1 2025
Added 124.71%
|
|
|
Wealth Enhancement Advisory Services, LLC
|
Jul 10, 2025 Q2 2025 |
126,729
shares
|
$39,285
0.0% of portfolio
|
Q2 2025
Reduced 3.04%
|
|
|
Barclays PLC
London, X0 |
May 15, 2025 Q1 2025 |
121,725
shares
|
$37,734
0.0% of portfolio
|
Q1 2025
Reduced 33.38%
|
|
|
Invesco Ltd.
Atlanta, GA |
May 12, 2025 Q1 2025 |
114,863
shares
|
$35,607
0.0% of portfolio
|
Q1 2025
Added 109.33%
|
|
|
Savant Capital, LLC
|
May 08, 2025 Q1 2025 |
111,141
shares
|
$34,453
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Ubs Oconnor LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
97,731
shares
|
$30,296
0.0% of portfolio
|
Q1 2025
Reduced 76.16%
|
|
|
Pallas Capital Advisors LLC
Braintree, MA |
Jul 09, 2025 Q2 2025 |
96,709
shares
|
$29,979
0.0% of portfolio
|
Q2 2025
Added 2.3%
|