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 |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2023
Q2 2023
|
First Manhattan CO
New York, NY |
BUY
|
- |
570KNew |
$1.75M - $5.44M
|
570K
$262K
|
|
|
Aug 14, 2023
Q2 2023
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
- |
40KNew |
$123K - $382K
|
40K
$18.4K
|
|
|
Aug 14, 2023
Q2 2023
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
PUT |
101KNew |
$310K - $961K
|
101K
$46.3K
|
|
|
Aug 14, 2023
Q2 2023
|
Ubs Oconnor LLC
Chicago, IL |
BUY
|
CALL |
415KNew |
$1.28M - $3.96M
|
415K
$191K
|
|
|
Aug 14, 2023
Q2 2023
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
35K+ 67.31% |
$108K - $334K
|
87K
$40K
|
|
|
Aug 14, 2023
Q2 2023
|
Moore Capital Management, LP
New York, NY |
BUY
|
CALL |
53KNew |
$163K - $506K
|
53K
$24.4K
|
|
|
Aug 14, 2023
Q2 2023
|
Thrivent Financial For Lutherans
Minneapolis, MN |
SELL
|
- |
-2.85K- 4.68% |
$8.77K - $27.2K
|
58.1K
$26.7K
|
|
|
Aug 14, 2023
Q2 2023
|
Logos Global Management LP
San Francisco, CA |
BUY
|
- |
2.8MNew |
$8.62M - $26.7M
|
2.8M
$1.29M
|
|
|
Aug 14, 2023
Q2 2023
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
CALL |
111KNew |
$341K - $1.06M
|
111K
$50.9K
|
|
|
Aug 14, 2023
Q2 2023
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
BUY
|
- |
500KNew |
$1.54M - $4.78M
|
500K
$230K
|
|
|
Aug 14, 2023
Q2 2023
|
J. Goldman & CO LP
New York, NY |
BUY
|
CALL |
135KNew |
$416K - $1.29M
|
135K
$62.1K
|
|
|
Aug 14, 2023
Q2 2023
|
Ghost Tree Capital, LLC
New York, NY |
BUY
|
- |
61.3KNew |
$189K - $585K
|
61.3K
$28.2K
|
|
|
Aug 14, 2023
Q2 2023
|
Avoro Capital Advisors LLC
New York, NY |
SELL
|
- |
-1.18M- 15.56% |
$3.62M - $11.2M
|
6.38M
$2.93M
|
|
|
Aug 14, 2023
Q2 2023
|
Rtw Investments, LP
New York, NY |
BUY
|
- |
615KNew |
$1.89M - $5.87M
|
615K
$283K
|
|
|
Aug 14, 2023
Q2 2023
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
CALL |
22.3KNew |
$68.7K - $213K
|
22.3K
$10.3K
|
|
|
Aug 14, 2023
Q2 2023
|
Tri Locum Partners LP
New York, NY |
BUY
|
- |
428KNew |
$1.32M - $4.09M
|
428K
$197K
|
|
|
Aug 14, 2023
Q2 2023
|
Orbimed Advisors LLC
San Diego, CA |
SELL
|
- |
-1.8M- 19.94% |
$5.53M - $17.2M
|
7.21M
$3.32M
|
|
|
Aug 14, 2023
Q2 2023
|
Orbimed Advisors LLC
San Diego, CA |
BUY
|
CALL |
39.3K+ 18.65% |
$121K - $375K
|
250K
$115K
|
|
|
Aug 14, 2023
Q2 2023
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
149KNew |
$459K - $1.42M
|
149K
$68.5K
|
|
|
Aug 14, 2023
Q2 2023
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
CALL |
50KNew |
$154K - $478K
|
50K
$23K
|
|
|
Aug 14, 2023
Q2 2023
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
CALL |
248KNew |
$765K - $2.37M
|
248K
$114K
|
|
|
Aug 14, 2023
Q2 2023
|
Lion Point Capital, LP
New York, NY |
BUY
|
CALL |
146KNew |
$450K - $1.39M
|
146K
$67.2K
|
|
|
Aug 14, 2023
Q2 2023
|
Great Point Partners LLC
Greenwich, CT |
BUY
|
CALL |
70KNew |
$216K - $669K
|
70K
$32.2K
|
|
|
Aug 14, 2023
Q2 2023
|
Delphia (Usa) Inc.
Toronto, A6 |
SELL
|
- |
-7.37K- 30.26% |
$22.7K - $70.4K
|
17K
$7.82K
|
|
|
Aug 14, 2023
Q2 2023
|
Corton Capital Inc.
Carrying Place, A6 |
BUY
|
- |
2.87K+ 9.56% |
$8.85K - $27.4K
|
32.9K
$15.2K
|
|
|
Aug 14, 2023
Q2 2023
|
5 Am Venture Management, LLC
San Francisco, CA |
BUY
|
- |
120K+ 10.13% |
$370K - $1.15M
|
1.31M
$600K
|
|
|
Aug 14, 2023
Q2 2023
|
Avidity Partners Management LP
Dallas, TX |
BUY
|
- |
357K+ 10.39% |
$1.1M - $3.41M
|
3.79M
$1.74M
|
|
|
Aug 14, 2023
Q2 2023
|
Redmile Group, LLC
San Francisco, CA |
BUY
|
- |
1.7MNew |
$5.23M - $16.2M
|
1.7M
$781K
|
|
|
Aug 14, 2023
Q2 2023
|
Baker Bros. Advisors LP
New York, NY |
SELL
|
- |
-800K- 42.42% |
$2.46M - $7.64M
|
1.09M
$500K
|
|
|
Aug 14, 2023
Q2 2023
|
Kennedy Capital Management, Inc.
St Louis, MO |
BUY
|
- |
63.2K+ 12.85% |
$195K - $604K
|
555K
$255K
|
|
|
Aug 14, 2023
Q2 2023
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
637K+ 196.11% |
$1.96M - $6.09M
|
962K
$443K
|
|
|
Aug 14, 2023
Q2 2023
|
Lmr Partners LLP
London, X0 |
BUY
|
PUT |
1.7KNew |
$5.24K - $16.2K
|
1.7K
$782
|
|
|
Aug 14, 2023
Q2 2023
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
CALL |
54.8KNew |
$169K - $523K
|
54.8K
$25.2K
|
|
|
Aug 11, 2023
Q2 2023
|
Tocqueville Asset Management L.P.
New York, NY |
BUY
|
- |
13KNew |
$40K - $124K
|
13K
$5.98K
|
|
|
Aug 11, 2023
Q2 2023
|
Hap Trading, LLC
New York, NY |
BUY
|
CALL |
300+ 0.08% |
$924 - $2.87K
|
390K
$180K
|
|
|
Aug 11, 2023
Q2 2023
|
Artal Group S.A.
Luxembourg, N4 |
BUY
|
- |
814K+ 36.73% |
$2.51M - $7.77M
|
3.03M
$1.39M
|
|
|
Aug 11, 2023
Q2 2023
|
Martingale Asset Management L P
Boston, MA |
BUY
|
- |
4+ 0.03% |
$12.3 - $38.2
|
12.1K
$5.57K
|
|
|
Aug 11, 2023
Q2 2023
|
Peak6 Investments LLC
Chicago, IL |
BUY
|
- |
5KNew |
$15.4K - $47.8K
|
5K
$2.3K
|
|
|
Aug 11, 2023
Q2 2023
|
Peak6 Investments LLC
Chicago, IL |
BUY
|
PUT |
16.6KNew |
$51.1K - $159K
|
16.6K
$7.64K
|
|
|
Aug 11, 2023
Q2 2023
|
Pale Fire Capital Se
Prague, 2N |
BUY
|
- |
25.4KNew |
$78.2K - $243K
|
25.4K
$11.7K
|
|
|
Aug 09, 2023
Q2 2023
|
Swiss National Bank
Zurich, V8 |
BUY
|
- |
5.8K+ 3.37% |
$17.9K - $55.4K
|
178K
$81.9K
|
|
|
Aug 08, 2023
Q2 2023
|
Belvedere Trading LLC
|
BUY
|
- |
8.08KNew |
$24.9K - $77.2K
|
8.08K
$3.72K
|
|
|
Aug 08, 2023
Q2 2023
|
Belvedere Trading LLC
|
BUY
|
PUT |
3.1KNew |
$9.55K - $29.6K
|
3.1K
$1.43K
|
|
|
Aug 08, 2023
Q2 2023
|
Candriam S.C.A.
|
SELL
|
- |
-547K- 18.47% |
$1.69M - $5.23M
|
2.42M
$1.11M
|
|
|
Aug 07, 2023
Q2 2023
|
Mirabella Financial Services LLP
London, X0 |
BUY
|
- |
14.5KNew |
$44.6K - $138K
|
14.5K
$6.66K
|
|
|
Aug 07, 2023
Q2 2023
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
BUY
|
- |
5.21K+ 42.56% |
$16.1K - $49.8K
|
17.5K
$8.03K
|
|
|
Aug 07, 2023
Q2 2023
|
Skandinaviska Enskilda Banken Ab (Publ)
Stockholm, V7 |
BUY
|
- |
34.7K+ 59.28% |
$107K - $331K
|
93.1K
$42.8K
|
|
|
Jul 18, 2023
Q2 2023
|
Cutler Group LP
|
BUY
|
CALL |
30KNew |
$92.4K - $287K
|
30K
$13.8K
|
|
|
Jul 18, 2023
Q2 2023
|
Allspring Global Investments Holdings, LLC
|
BUY
|
- |
2.85K+ 155.79% |
$8.78K - $27.2K
|
4.68K
$2.15K
|
|
|
Jul 18, 2023
Q2 2023
|
Allworth Financial LP
|
BUY
|
- |
5.06KNew |
$15.6K - $48.3K
|
5.06K
$2.33K
|