Purchases and Sales Made in Q2 2023 in Mersana Therapeutics, Inc. (MRSN)
This table provides information about the institutional ownership of Mersana Therapeutics, Inc. (MRSN) during Q2 2023. The information is specifically focused on institutions that hold shares of Mersana Therapeutics, Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2023
Q2 2023
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
4.84MNew |
$14.9M - $46.2M
|
4.84M
$2.81M
|
|
|
Aug 14, 2023
Q2 2023
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
BUY
|
- |
2.89MNew |
$8.89M - $27.6M
|
2.89M
$1.67M
|
|
|
Aug 14, 2023
Q2 2023
|
Logos Global Management LP
San Francisco, CA |
BUY
|
- |
2.8MNew |
$8.62M - $26.7M
|
2.8M
$1.62M
|
|
|
Aug 14, 2023
Q2 2023
|
Redmile Group, LLC
San Francisco, CA |
BUY
|
- |
1.7MNew |
$5.23M - $16.2M
|
1.7M
$985K
|
|
|
Aug 11, 2023
Q2 2023
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
1.32M+ 1087.67% |
$4.07M - $12.6M
|
1.44M
$837K
|
|
|
Aug 14, 2023
Q2 2023
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
1.09M+ 23.42% |
$3.35M - $10.4M
|
5.72M
$3.32M
|
|
|
Aug 14, 2023
Q2 2023
|
Boxer Capital, LLC
San Diego, CA |
BUY
|
- |
1MNew |
$3.08M - $9.55M
|
1M
$580K
|
|
|
Aug 14, 2023
Q2 2023
|
Bellevue Group Ag
Kuesnacht, V8 |
BUY
|
- |
920K+ 21.39% |
$2.83M - $8.78M
|
5.22M
$3.03M
|
|
|
Aug 11, 2023
Q2 2023
|
Artal Group S.A.
Luxembourg, N4 |
BUY
|
- |
814K+ 36.73% |
$2.51M - $7.77M
|
3.03M
$1.76M
|
|
|
Aug 14, 2023
Q2 2023
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
637K+ 196.11% |
$1.96M - $6.09M
|
962K
$558K
|
|
|
Aug 14, 2023
Q2 2023
|
Rtw Investments, LP
New York, NY |
BUY
|
- |
615KNew |
$1.89M - $5.87M
|
615K
$357K
|
|
|
Aug 14, 2023
Q2 2023
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
611K+ 48.44% |
$1.88M - $5.83M
|
1.87M
$1.09M
|
|
|
Aug 14, 2023
Q2 2023
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
572KNew |
$1.76M - $5.47M
|
572K
$332K
|
|
|
Aug 14, 2023
Q2 2023
|
First Manhattan CO
New York, NY |
BUY
|
- |
570KNew |
$1.75M - $5.44M
|
570K
$330K
|
|
|
Aug 14, 2023
Q2 2023
|
Readystate Asset Management LP
Chicago, IL |
BUY
|
- |
567KNew |
$1.75M - $5.42M
|
567K
$329K
|
|
|
Aug 14, 2023
Q2 2023
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
BUY
|
- |
500KNew |
$1.54M - $4.78M
|
500K
$290K
|
|
|
Aug 11, 2023
Q2 2023
|
Black Rock Inc.
New York, NY |
BUY
|
- |
490K+ 6.56% |
$1.51M - $4.68M
|
7.96M
$4.62M
|
|
|
Aug 14, 2023
Q2 2023
|
Silverarc Capital Management, LLC
|
BUY
|
- |
460K+ 85.16% |
$1.42M - $4.39M
|
1M
$580K
|
|
|
Aug 14, 2023
Q2 2023
|
Tri Locum Partners LP
New York, NY |
BUY
|
- |
428KNew |
$1.32M - $4.09M
|
428K
$248K
|
|
|
Aug 14, 2023
Q2 2023
|
Sphera Funds Management Ltd.
Tel Aviv, L3 |
BUY
|
- |
408K+ 3840.89% |
$1.26M - $3.9M
|
419K
$243K
|
|
|
Aug 14, 2023
Q2 2023
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
406K+ 3317.98% |
$1.25M - $3.88M
|
418K
$243K
|
|
|
Aug 14, 2023
Q2 2023
|
Avidity Partners Management LP
Dallas, TX |
BUY
|
- |
357K+ 10.39% |
$1.1M - $3.41M
|
3.79M
$2.2M
|
|
|
Aug 14, 2023
Q2 2023
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
321KNew |
$987K - $3.06M
|
321K
$186K
|
|
|
Aug 14, 2023
Q2 2023
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
314KNew |
$969K - $3M
|
314K
$182K
|
|
|
Aug 14, 2023
Q2 2023
|
Dafna Capital Management LLC
Los Angeles, CA |
BUY
|
- |
300K+ 58.72% |
$924K - $2.86M
|
811K
$470K
|
|
|
Aug 14, 2023
Q2 2023
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
215K+ 8.6% |
$661K - $2.05M
|
2.71M
$1.57M
|
|
|
Aug 11, 2023
Q2 2023
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
214K+ 24.24% |
$661K - $2.05M
|
1.1M
$637K
|
|
|
Aug 11, 2023
Q2 2023
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
207K+ 11.5% |
$637K - $1.98M
|
2.01M
$1.16M
|
|
|
Aug 14, 2023
Q2 2023
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
189K+ 601.35% |
$581K - $1.8M
|
220K
$128K
|
|
|
Aug 14, 2023
Q2 2023
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
183K+ 89.55% |
$564K - $1.75M
|
388K
$225K
|
|
|
Aug 09, 2023
Q2 2023
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
158K+ 7537.11% |
$487K - $1.51M
|
160K
$93K
|
|
|
Aug 14, 2023
Q2 2023
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
149KNew |
$459K - $1.42M
|
149K
$86.4K
|
|
|
Aug 14, 2023
Q2 2023
|
Federated Hermes, Inc.
Pittsburgh, PA |
BUY
|
- |
141KNew |
$433K - $1.34M
|
141K
$81.6K
|
|
|
Aug 14, 2023
Q2 2023
|
5 Am Venture Management, LLC
San Francisco, CA |
BUY
|
- |
120K+ 10.13% |
$370K - $1.15M
|
1.31M
$757K
|
|
|
Aug 15, 2023
Q2 2023
|
Alliancebernstein L.P.
New York, NY |
BUY
|
- |
117K+ 117.37% |
$360K - $1.12M
|
217K
$126K
|
|
|
Aug 09, 2023
Q2 2023
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
91K+ 12.47% |
$280K - $869K
|
821K
$476K
|
|
|
Aug 10, 2023
Q2 2023
|
Russell Investments Group, Ltd.
|
BUY
|
- |
81.4K+ 442.28% |
$251K - $777K
|
99.8K
$57.9K
|
|
|
Aug 14, 2023
Q2 2023
|
Graham Capital Management, L.P.
Rowayton, CT |
BUY
|
- |
73.7KNew |
$227K - $704K
|
73.7K
$42.8K
|
|
|
Aug 14, 2023
Q2 2023
|
Kennedy Capital Management, Inc.
St Louis, MO |
BUY
|
- |
63.2K+ 12.85% |
$195K - $604K
|
555K
$322K
|
|
|
Aug 14, 2023
Q2 2023
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
62.7K+ 30.64% |
$193K - $599K
|
267K
$155K
|
|
|
Aug 14, 2023
Q2 2023
|
Ghost Tree Capital, LLC
New York, NY |
BUY
|
- |
61.3KNew |
$189K - $585K
|
61.3K
$35.5K
|
|
|
Aug 11, 2023
Q2 2023
|
Panagora Asset Management Inc
Boston, MA |
BUY
|
- |
55.3K+ 25.58% |
$170K - $528K
|
272K
$157K
|
|
|
Aug 14, 2023
Q2 2023
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
- |
50KNew |
$154K - $478K
|
50K
$29K
|
|
|
Aug 11, 2023
Q2 2023
|
Rhenman & Partners Asset Management Ab
Stockholm, V7 |
BUY
|
- |
50K+ 14.29% |
$154K - $478K
|
400K
$232K
|
|
|
Apr 29, 2024
Q2 2023
|
Met Life Investment Management, LLC
Whippany, NJ |
BUY
|
- |
46.6KNew |
$144K - $445K
|
46.6K
$27.1K
|
|
|
Aug 11, 2023
Q2 2023
|
Credit Suisse Ag
Zurich, V8 |
BUY
|
- |
44.6K+ 42.92% |
$137K - $426K
|
148K
$86.1K
|
|
|
Aug 14, 2023
Q2 2023
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
- |
40KNew |
$123K - $382K
|
40K
$23.2K
|
|
|
Aug 14, 2023
Q2 2023
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
38.1K+ 112.5% |
$117K - $364K
|
72K
$41.8K
|
|
|
Aug 14, 2023
Q2 2023
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
36.4K+ 99.83% |
$112K - $347K
|
72.8K
$42.2K
|
|
|
Aug 07, 2023
Q2 2023
|
Skandinaviska Enskilda Banken Ab (Publ)
Stockholm, V7 |
BUY
|
- |
34.7K+ 59.28% |
$107K - $331K
|
93.1K
$54K
|