Latest Institutional Sells of Mersana Therapeutics, Inc. (MRSN)
This list provides information on the latest institutional transactions involving Mersana Therapeutics, Inc. (MRSN) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-2.15M- 82.64% |
$559K - $882K
|
452K
$2.74M
|
|
|
Aug 14, 2025
Q2 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
SELL
|
- |
-1.94M- 25.48% |
$504K - $795K
|
5.67M
$34.4M
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
SELL
|
- |
-1.39M- 57.04% |
$362K - $571K
|
1.05M
$6.37M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
- |
-1.02M- 86.98% |
$266K - $419K
|
153K
$928K
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
SELL
|
- |
-699K- 8.35% |
$182K - $287K
|
7.68M
$46.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-642K- 74.25% |
$167K - $263K
|
223K
$1.35M
|
|
|
Aug 12, 2025
Q2 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
SELL
|
- |
-535K- 63.67% |
$139K - $219K
|
305K
$1.85M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-294K- 93.61% |
$76.5K - $121K
|
20.1K
$122K
|
|
|
Aug 14, 2025
Q2 2025
|
Catalio Capital Management, LP
New York, NY |
SELL
|
- |
-138K- 8.07% |
$35.8K - $56.4K
|
1.57M
$9.51M
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-112K- 91.98% |
$29.1K - $45.9K
|
9.77K
$59.3K
|
|
|
Aug 06, 2025
Q2 2025
|
Savant Capital, LLC
|
SELL
|
- |
-95.8K- 86.22% |
$24.9K - $39.3K
|
15.3K
$92.9K
|
|
|
Aug 14, 2025
Q2 2025
|
Ieq Capital, LLC
|
SELL
|
- |
-68.6K- 9.7% |
$17.8K - $28.1K
|
638K
$3.88M
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
SELL
|
- |
-55.5K- 70.68% |
$14.4K - $22.7K
|
23K
$140K
|
|
|
Aug 12, 2025
Q2 2025
|
Prudential Financial Inc
Newark, NJ |
SELL
|
- |
-46.6K- 75.79% |
$12.1K - $19.1K
|
14.9K
$90.4K
|
|
|
Aug 07, 2025
Q2 2025
|
Acadian Asset Management LLC
Boston, MA |
SELL
|
- |
-34.4K- 1.15% |
$8.94K - $14.1K
|
2.96M
$17.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Algert Global LLC
San Francisco, CA |
SELL
|
- |
-33.7K- 24.96% |
$8.76K - $13.8K
|
101K
$615K
|
|
|
Jul 25, 2025
Q2 2025
|
Cwm, LLC
|
SELL
|
- |
-19.4K- 10.51% |
$5.05K - $7.96K
|
165K
$1M
|
|
|
Aug 14, 2025
Q2 2025
|
Aqr Capital Management LLC
Greenwich, CT |
SELL
|
- |
-14.1K- 0.27% |
$3.66K - $5.77K
|
5.13M
$31.1M
|
|
|
Jul 22, 2025
Q2 2025
|
Merit Financial Group, LLC
|
SELL
|
- |
-10.3K- 24.62% |
$2.68K - $4.23K
|
31.6K
$192K
|
|
|
Aug 11, 2025
Q2 2025
|
Citigroup Inc
|
SELL
|
- |
-8.63K- 10.57% |
$2.24K - $3.54K
|
73K
$443K
|
|
|
Jul 25, 2025
Q2 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
SELL
|
- |
-5.95K- 13.95% |
$1.55K - $2.44K
|
36.7K
$223K
|
|
|
Jul 10, 2025
Q2 2025
|
Wealth Enhancement Advisory Services, LLC
|
SELL
|
- |
-3.97K- 3.04% |
$1.03K - $1.63K
|
127K
$769K
|
|
|
Aug 08, 2025
Q2 2025
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
SELL
|
- |
-2.64K- 74.75% |
$687 - $1.08K
|
893
$5.42K
|
|
|
Aug 14, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
SELL
|
- |
-1.47K- 90.73% |
$382 - $602
|
150
$911
|
|
|
Jul 31, 2025
Q2 2025
|
Nisa Investment Advisors, LLC
|
SELL
|
- |
-250- 19.23% |
$65 - $103
|
1.05K
$6.37K
|
|
|
Aug 14, 2025
Q2 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-179- 0.01% |
$46.5 - $73.4
|
1.33M
$8.09M
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Vr Adviser, LLC
New York, NY |
SELL
|
- |
-6.68M- 65.16% |
$2.27M - $9.36M
|
3.57M
$21.7M
|
|
|
May 12, 2025
Q1 2025
|
Jpmorgan Chase & CO
New York, NY |
SELL
|
- |
-2.48M- 98.0% |
$844K - $3.48M
|
50.7K
$308K
|
|
|
May 15, 2025
Q1 2025
|
Ubs Oconnor LLC
Chicago, IL |
SELL
|
- |
-312K- 76.16% |
$106K - $437K
|
97.7K
$593K
|
|
|
Apr 15, 2025
Q1 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-76.8K- 68.36% |
$26.1K - $107K
|
35.5K
$216K
|
|
|
May 09, 2025
Q1 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
SELL
|
- |
-32K- 10.23% |
$10.9K - $44.8K
|
281K
$1.7M
|
|
|
May 15, 2025
Q1 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-26.6K- 60.5% |
$9.05K - $37.3K
|
17.4K
$105K
|
|
|
May 15, 2025
Q1 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-26.1K- 72.03% |
$8.86K - $36.5K
|
10.1K
$61.4K
|
|
|
May 08, 2025
Q1 2025
|
Pro Share Advisors LLC
|
SELL
|
- |
-9.02K- 23.85% |
$3.07K - $12.6K
|
28.8K
$175K
|
|
|
Apr 29, 2025
Q1 2025
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
SELL
|
- |
-1.42K- 5.4% |
$481 - $1.98K
|
24.8K
$150K
|
|
|
May 13, 2025
Q1 2025
|
Sterling Capital Management LLC
Charlotte, NC |
SELL
|
- |
-956- 50.32% |
$325 - $1.34K
|
944
$5.73K
|
|
|
Apr 17, 2025
Q1 2025
|
Grimes & Company, Inc.
|
SELL
|
- |
-929- 6.19% |
$316 - $1.3K
|
14.1K
$85.4K
|
|
|
May 02, 2025
Q1 2025
|
Victory Capital Management Inc
|
SELL
|
- |
-368- 3.44% |
$125 - $515
|
10.3K
$62.8K
|
|
| Q4 2024 | |||||||
|
Feb 14, 2025
Q4 2024
|
Eco R1 Capital, LLC
San Francisco, CA |
SELL
|
- |
-8.04M- 41.5% |
$11.4M - $21.5M
|
11.3M
$68.8M
|
|
|
Feb 14, 2025
Q4 2024
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-3.99M- 90.45% |
$5.67M - $10.7M
|
421K
$2.56M
|
|
|
Feb 14, 2025
Q4 2024
|
Exome Asset Management LLC
New York, NY |
SELL
|
- |
-1.01M- 85.33% |
$1.43M - $2.7M
|
173K
$1.05M
|
|
|
Feb 14, 2025
Q4 2024
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
- |
-966K- 74.16% |
$1.37M - $2.59M
|
337K
$2.04M
|
|
|
Feb 14, 2025
Q4 2024
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-478K- 46.75% |
$679K - $1.28M
|
544K
$3.3M
|
|
|
Feb 14, 2025
Q4 2024
|
Prelude Capital Management, LLC
New York, NY |
SELL
|
- |
-313K- 85.92% |
$445K - $840K
|
51.4K
$312K
|
|
|
Feb 13, 2025
Q4 2024
|
Xtx Topco LTD
London, X0 |
SELL
|
- |
-284K- 81.71% |
$403K - $760K
|
63.5K
$386K
|
|
|
Feb 14, 2025
Q4 2024
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
SELL
|
- |
-217K- 70.24% |
$308K - $581K
|
91.9K
$558K
|
|
|
Feb 14, 2025
Q4 2024
|
Acuta Capital Partners, LLC
Belmont, CA |
SELL
|
- |
-79.5K- 6.63% |
$113K - $213K
|
1.12M
$6.8M
|
|
|
Feb 14, 2025
Q4 2024
|
Squarepoint Ops LLC
New York, NY |
SELL
|
- |
-69.5K- 85.17% |
$98.7K - $186K
|
12.1K
$73.5K
|
|
|
Feb 12, 2025
Q4 2024
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-42.2K- 6.82% |
$59.9K - $113K
|
576K
$3.5M
|
|
|
Feb 14, 2025
Q4 2024
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-37K- 37.33% |
$52.5K - $99.1K
|
62.1K
$377K
|
|