Put Options Transactions 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 put options of Mersana Therapeutics, Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2023
Q2 2023
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
101K+ 2069.39% |
$312K - $968K
|
106K
$217K
|
|
|
Aug 14, 2023
Q2 2023
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
PUT |
101KNew |
$310K - $961K
|
101K
$205K
|
|
|
Aug 11, 2023
Q2 2023
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
90K+ 286.62% |
$277K - $860K
|
121K
$248K
|
|
|
Aug 14, 2023
Q2 2023
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
35K+ 67.31% |
$108K - $334K
|
87K
$177K
|
|
|
Aug 11, 2023
Q2 2023
|
Peak6 Investments LLC
Chicago, IL |
BUY
|
PUT |
16.6KNew |
$51.1K - $159K
|
16.6K
$33.9K
|
|
|
Aug 23, 2023
Q2 2023
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
11.2KNew |
$34.5K - $107K
|
11.2K
$22.8K
|
|
|
Aug 08, 2023
Q2 2023
|
Belvedere Trading LLC
|
BUY
|
PUT |
3.1KNew |
$9.55K - $29.6K
|
3.1K
$6.32K
|
|
|
Aug 14, 2023
Q2 2023
|
Lmr Partners LLP
London, X0 |
BUY
|
PUT |
1.7KNew |
$5.24K - $16.2K
|
1.7K
$3.47K
|
|
|
Jul 11, 2023
Q2 2023
|
Fny Investment Advisers, LLC
|
BUY
|
PUT |
10New |
$30.8 - $95.5
|
10
$20.4
|