Latest Institutional Transactions on Mersana Therapeutics, Inc. (MRSN)
This table provides information on the latest institutional transactions involving Mersana Therapeutics, Inc. (MRSN) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
May 13, 2025
Q1 2025
|
Sterling Capital Management LLC
Charlotte, NC |
SELL
|
- |
-956- 50.32% |
$325 - $1.34K
|
944
$293
|
|
|
May 13, 2025
Q1 2025
|
Ubs Group Ag
|
BUY
|
- |
158K+ 97.09% |
$53.6K - $221K
|
320K
$99.1K
|
|
|
May 13, 2025
Q1 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-64.9K- 6.98% |
$22.1K - $90.9K
|
865K
$268K
|
|
|
May 13, 2025
Q1 2025
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
74.9K+ 124.71% |
$25.5K - $105K
|
135K
$41.9K
|
|
|
May 13, 2025
Q1 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
BUY
|
- |
42.6KNew |
$14.5K - $59.7K
|
42.6K
$13.2K
|
|
|
May 13, 2025
Q1 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
61.5KNew |
$20.9K - $86.1K
|
61.5K
$19.1K
|
|
|
May 12, 2025
Q1 2025
|
Citigroup Inc
|
SELL
|
- |
-16.2K- 16.57% |
$5.51K - $22.7K
|
81.6K
$25.3K
|
|
|
May 12, 2025
Q1 2025
|
Jpmorgan Chase & CO
New York, NY |
SELL
|
- |
-2.48M- 98.0% |
$844K - $3.48M
|
50.7K
$15.7K
|
|
|
May 12, 2025
Q1 2025
|
Simplex Trading, LLC
|
BUY
|
- |
3.42KNew |
$1.16K - $4.79K
|
3.42K
$1.06K
|
|
|
May 12, 2025
Q1 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
60K+ 109.33% |
$20.4K - $84K
|
115K
$35.6K
|
|
|
May 12, 2025
Q1 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
232KNew |
$79K - $325K
|
232K
$72K
|
|
|
May 09, 2025
Q1 2025
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
BUY
|
- |
3.34K+ 1668.5% |
$1.13K - $4.67K
|
3.54K
$1.1K
|
|
|
May 09, 2025
Q1 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
SELL
|
- |
-32K- 10.23% |
$10.9K - $44.8K
|
281K
$87K
|
|
|
May 09, 2025
Q1 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
1.32M+ 18.71% |
$449K - $1.85M
|
8.38M
$2.6M
|
|
|
May 09, 2025
Q1 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-216K- 26.88% |
$73.3K - $302K
|
587K
$182K
|
|
|
May 08, 2025
Q1 2025
|
Savant Capital, LLC
|
BUY
|
- |
111KNew |
$37.8K - $156K
|
111K
$34.5K
|
|
|
May 08, 2025
Q1 2025
|
Pro Share Advisors LLC
|
SELL
|
- |
-9.02K- 23.85% |
$3.07K - $12.6K
|
28.8K
$8.92K
|
|
|
May 06, 2025
Q1 2025
|
Abel Hall, LLC
Baton Rouge, LA |
BUY
|
- |
13.7KNew |
$4.65K - $19.1K
|
13.7K
$4.24K
|
|
|
May 02, 2025
Q1 2025
|
Parcion Private Wealth LLC
Bellevue, WA |
BUY
|
- |
15.3KNew |
$5.2K - $21.4K
|
15.3K
$4.74K
|
|
|
May 02, 2025
Q1 2025
|
Victory Capital Management Inc
|
SELL
|
- |
-368- 3.44% |
$125 - $515
|
10.3K
$3.21K
|
|
|
May 01, 2025
Q1 2025
|
Sbi Securities Co., Ltd.
Tokyo, M0 |
BUY
|
- |
1.15K+ 527.52% |
$391 - $1.61K
|
1.37K
$424
|
|
|
May 01, 2025
Q1 2025
|
Cwm, LLC
|
BUY
|
- |
185K+ 102580.56% |
$62.8K - $259K
|
185K
$57.3K
|
|
|
Apr 30, 2025
Q1 2025
|
Nisa Investment Advisors, LLC
|
SELL
|
- |
-2.32K- 64.11% |
$789 - $3.25K
|
1.3K
$403
|
|
|
Apr 30, 2025
Q1 2025
|
Cerity Partners LLC
New York, NY |
BUY
|
- |
244KNew |
$83K - $342K
|
244K
$75.7K
|
|
|
Apr 29, 2025
Q1 2025
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
SELL
|
- |
-1.42K- 5.4% |
$481 - $1.98K
|
24.8K
$7.68K
|
|
|
Apr 28, 2025
Q1 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
10.4KNew |
$3.52K - $14.5K
|
10.4K
$3.21K
|
|
|
Apr 24, 2025
Q1 2025
|
Mirae Asset Global Investments Co., Ltd.
|
BUY
|
- |
17+ 0.41% |
$5.78 - $23.8
|
4.13K
$1.28K
|
|
|
Apr 17, 2025
Q1 2025
|
Grimes & Company, Inc.
|
SELL
|
- |
-929- 6.19% |
$316 - $1.3K
|
14.1K
$4.36K
|
|
|
Apr 16, 2025
Q1 2025
|
North Crest Asset Manangement, LLC
|
BUY
|
- |
16.1KNew |
$5.46K - $22.5K
|
16.1K
$4.98K
|
|
|
Apr 15, 2025
Q1 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-76.8K- 68.36% |
$26.1K - $107K
|
35.5K
$11K
|
|
|
Apr 09, 2025
Q1 2025
|
Merit Financial Group, LLC
|
BUY
|
- |
41.9KNew |
$14.2K - $58.7K
|
41.9K
$13K
|
|
| Q4 2024 | |||||||
|
Jun 06, 2025
Q4 2024
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
BUY
|
- |
98+ 2.94% |
$139 - $263
|
3.43K
$1.06K
|
|
|
May 29, 2025
Q4 2024
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
17.7K+ 11.48% |
$25.1K - $47.4K
|
172K
$53.3K
|
|
|
Apr 02, 2025
Q4 2024
|
Picton Mahoney Asset Management
Toronto, A6 |
BUY
|
- |
2.87KNew |
$4.08K - $7.69K
|
2.87K
$890
|
|
|
Feb 18, 2025
Q4 2024
|
Gf Fund Management Co. Ltd.
Guangzhou, F4 |
BUY
|
- |
2.59KNew |
$3.68K - $6.95K
|
2.59K
$804
|
|
|
Feb 14, 2025
Q4 2024
|
Aquatic Capital Management LLC
Chicago, IL |
BUY
|
- |
14.6KNew |
$20.7K - $39K
|
14.6K
$4.51K
|
|
|
Feb 14, 2025
Q4 2024
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
7.68K+ 16.83% |
$10.9K - $20.6K
|
53.3K
$16.5K
|
|
|
Feb 14, 2025
Q4 2024
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
- |
10.9KNew |
$15.4K - $29.1K
|
10.9K
$3.37K
|
|
|
Feb 14, 2025
Q4 2024
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
15.1KNew |
$21.4K - $40.5K
|
15.1K
$4.68K
|
|
|
Feb 14, 2025
Q4 2024
|
Woodline Partners LP
San Francisco, CA |
BUY
|
- |
2.04K+ 0.47% |
$2.9K - $5.47K
|
436K
$135K
|
|
|
Feb 14, 2025
Q4 2024
|
Squarepoint Ops LLC
New York, NY |
SELL
|
- |
-69.5K- 85.17% |
$98.7K - $186K
|
12.1K
$3.75K
|
|
|
Feb 14, 2025
Q4 2024
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-37K- 37.33% |
$52.5K - $99.1K
|
62.1K
$19.2K
|
|
|
Feb 14, 2025
Q4 2024
|
Eco R1 Capital, LLC
San Francisco, CA |
SELL
|
- |
-8.04M- 41.5% |
$11.4M - $21.5M
|
11.3M
$3.51M
|
|
|
Feb 14, 2025
Q4 2024
|
Atom Investors LP
Austin, TX |
BUY
|
- |
1.9K+ 7.71% |
$2.7K - $5.1K
|
26.6K
$8.23K
|
|
|
Feb 14, 2025
Q4 2024
|
Acuta Capital Partners, LLC
Belmont, CA |
SELL
|
- |
-79.5K- 6.63% |
$113K - $213K
|
1.12M
$347K
|
|
|
Feb 14, 2025
Q4 2024
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-1.5K- 3.21% |
$2.13K - $4.02K
|
45.3K
$14K
|
|
|
Feb 14, 2025
Q4 2024
|
Prelude Capital Management, LLC
New York, NY |
SELL
|
- |
-313K- 85.92% |
$445K - $840K
|
51.4K
$15.9K
|
|
|
Feb 14, 2025
Q4 2024
|
Nuveen Asset Management, LLC
Chicago, IL |
BUY
|
- |
81K+ 53.59% |
$115K - $217K
|
232K
$72K
|
|
|
Feb 14, 2025
Q4 2024
|
Graham Capital Management, L.P.
Rowayton, CT |
BUY
|
- |
7.31K+ 17.23% |
$10.4K - $19.6K
|
49.7K
$15.4K
|
|
|
Feb 14, 2025
Q4 2024
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
BUY
|
- |
92KNew |
$131K - $246K
|
92K
$28.5K
|
|