Put Options Transactions Made in Q3 2025 in Geron Corp (GERN)
This table provides information about the institutional ownership of Geron Corp (GERN) during Q3 2025. The information is specifically focused on institutions that hold put options of GERON CORP.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
18.9K+ 12.58% |
$20.8K - $27.8K
|
169K
$189K
|
|
|
Nov 06, 2025
Q3 2025
|
High Tower Advisors, LLC
Chicago, IL |
BUY
|
PUT |
7KNew |
$7.7K - $10.3K
|
7K
$7.84K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-13.8K- 12.13% |
$15.2K - $20.3K
|
100K
$112K
|