Latest Institutional Purchases of Mersana Therapeutics, Inc. (MRSN)
This list provides information on the latest institutional transactions involving Mersana Therapeutics, Inc. (MRSN) stock that were buys. 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 purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
2.09MNew |
$543K - $857K
|
2.09M
$12.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
2.01M+ 239.34% |
$523K - $824K
|
2.85M
$17.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Luminus Management LLC
Houston, TX |
BUY
|
- |
1.04MNew |
$270K - $426K
|
1.04M
$6.31M
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
847K+ 144.39% |
$220K - $347K
|
1.43M
$8.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
770K+ 1434.46% |
$200K - $316K
|
823K
$5M
|
|
|
Aug 14, 2025
Q2 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
679K+ 262.9% |
$176K - $278K
|
937K
$5.69M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
511KNew |
$133K - $210K
|
511K
$3.1M
|
|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
472KNew |
$123K - $193K
|
472K
$2.86M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
BUY
|
- |
456K+ 142.49% |
$118K - $187K
|
776K
$4.71M
|
|
|
Aug 14, 2025
Q2 2025
|
683 Capital Management, LLC
New York, NY |
BUY
|
- |
340K+ 20.61% |
$88.4K - $139K
|
1.99M
$12.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
208K+ 86.4% |
$54.2K - $85.4K
|
449K
$2.73M
|
|
|
Aug 14, 2025
Q2 2025
|
Jain Global LLC
New York, NY |
BUY
|
- |
96.2KNew |
$25K - $39.4K
|
96.2K
$584K
|
|
|
Aug 13, 2025
Q2 2025
|
Cerity Partners LLC
New York, NY |
BUY
|
- |
76.6K+ 31.35% |
$19.9K - $31.4K
|
321K
$1.95M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 Asia (Singapore) Pte. Ltd.
Singapore, U0 |
BUY
|
- |
75.2KNew |
$19.5K - $30.8K
|
75.2K
$456K
|
|
|
Jul 24, 2025
Q2 2025
|
Callan Family Office, LLC
Radnor, PA |
BUY
|
- |
56.6KNew |
$14.7K - $23.2K
|
56.6K
$343K
|
|
|
Aug 15, 2025
Q2 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
50.5K+ 16.43% |
$13.1K - $20.7K
|
358K
$2.17M
|
|
|
Jul 31, 2025
Q2 2025
|
R Squared LTD
Central, K3 |
BUY
|
- |
47.2KNew |
$12.3K - $19.4K
|
47.2K
$287K
|
|
|
Aug 14, 2025
Q2 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
46.9K+ 100.82% |
$12.2K - $19.2K
|
93.4K
$567K
|
|
|
Aug 14, 2025
Q2 2025
|
Silverarc Capital Management, LLC
|
BUY
|
- |
39.9K+ 1.29% |
$10.4K - $16.4K
|
3.13M
$19M
|
|
|
Aug 13, 2025
Q2 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
- |
18K+ 144.12% |
$4.68K - $7.38K
|
30.5K
$185K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Securities, LLC
New York, NY |
BUY
|
- |
17.6KNew |
$4.57K - $7.2K
|
17.6K
$107K
|
|
|
Aug 13, 2025
Q2 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
14.8K+ 73.41% |
$3.84K - $6.05K
|
34.9K
$212K
|
|
|
Aug 13, 2025
Q2 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
11.4KNew |
$2.97K - $4.69K
|
11.4K
$69.4K
|
|
|
Aug 13, 2025
Q2 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
11.3KNew |
$2.94K - $4.64K
|
11.3K
$68.7K
|
|
|
Aug 14, 2025
Q2 2025
|
Captrust Financial Advisors
Raleigh, NC |
BUY
|
- |
10.6K+ 34.08% |
$2.76K - $4.35K
|
41.7K
$253K
|
|
|
Aug 14, 2025
Q2 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
10.5K+ 50.42% |
$2.72K - $4.29K
|
31.2K
$189K
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
BUY
|
- |
5.52K+ 21.09% |
$1.43K - $2.26K
|
31.7K
$192K
|
|
|
Aug 13, 2025
Q2 2025
|
Ever Source Wealth Advisors, LLC
|
BUY
|
- |
2.8K+ 103.63% |
$727 - $1.15K
|
5.49K
$33.3K
|
|
|
Jul 09, 2025
Q2 2025
|
Pallas Capital Advisors LLC
Braintree, MA |
BUY
|
- |
2.18K+ 2.3% |
$566 - $893
|
96.7K
$587K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
1K+ 7.69% |
$260 - $410
|
14K
$85K
|
|
|
Jul 30, 2025
Q2 2025
|
Parcion Private Wealth LLC
Bellevue, WA |
BUY
|
- |
941+ 6.15% |
$245 - $386
|
16.2K
$98.5K
|
|
|
Jul 21, 2025
Q2 2025
|
Mirae Asset Global Investments Co., Ltd.
|
BUY
|
- |
680+ 16.45% |
$177 - $279
|
4.81K
$29.2K
|
|
|
Jul 24, 2025
Q2 2025
|
Ifp Advisors, Inc
|
BUY
|
- |
677New |
$176 - $278
|
677
$4.11K
|
|
|
Aug 13, 2025
Q2 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
BUY
|
- |
98+ 2.94% |
$25.5 - $40.2
|
3.43K
$20.8K
|
|
|
Aug 12, 2025
Q2 2025
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Nextech Invest, Ltd.
Zurich, V8 |
BUY
|
- |
12.1MNew |
$4.1M - $16.9M
|
12.1M
$73.2M
|
|
|
May 15, 2025
Q1 2025
|
Lion Point Capital, LP
New York, NY |
BUY
|
- |
644KNew |
$219K - $902K
|
644K
$3.91M
|
|
|
May 15, 2025
Q1 2025
|
Alamea Verwaltungs Gmb H
Edison, NJ |
BUY
|
- |
604KNew |
$205K - $846K
|
604K
$3.67M
|
|
|
May 15, 2025
Q1 2025
|
Rock Springs Capital Management LP
Baltimore, MD |
BUY
|
- |
383K+ 11.16% |
$130K - $536K
|
3.81M
$23.2M
|
|
|
May 14, 2025
Q1 2025
|
State Of Wyoming
Cheyenne, WY |
BUY
|
- |
295KNew |
$100K - $414K
|
295K
$1.79M
|
|
|
May 12, 2025
Q1 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
232KNew |
$79K - $325K
|
232K
$1.41M
|
|
|
May 15, 2025
Q1 2025
|
Panagora Asset Management Inc
Boston, MA |
BUY
|
- |
131K+ 54.56% |
$44.5K - $183K
|
370K
$2.25M
|
|
|
May 12, 2025
Q1 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
60K+ 109.33% |
$20.4K - $84K
|
115K
$697K
|
|
|
May 20, 2025
Q1 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
39.3K+ 77.08% |
$13.4K - $55.1K
|
90.4K
$548K
|
|
|
May 15, 2025
Q1 2025
|
Mercer Global Advisors Inc
Denver, CO |
BUY
|
- |
24.1KNew |
$8.19K - $33.7K
|
24.1K
$146K
|
|
|
May 15, 2025
Q1 2025
|
Buckingham Strategic Partners
Saint Louis, MO |
BUY
|
- |
19.5KNew |
$6.62K - $27.3K
|
19.5K
$118K
|
|
|
Apr 16, 2025
Q1 2025
|
North Crest Asset Manangement, LLC
|
BUY
|
- |
16.1KNew |
$5.46K - $22.5K
|
16.1K
$97.5K
|
|
|
May 06, 2025
Q1 2025
|
Abel Hall, LLC
Baton Rouge, LA |
BUY
|
- |
13.7KNew |
$4.65K - $19.1K
|
13.7K
$82.9K
|
|
|
May 13, 2025
Q1 2025
|
Cibc World Markets Corp
New York, NY |
BUY
|
- |
13.2K+ 124.11% |
$4.48K - $18.4K
|
23.8K
$144K
|
|
|
Apr 28, 2025
Q1 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
10.4KNew |
$3.52K - $14.5K
|
10.4K
$62.8K
|
|