Institutions Holding Put Options on West Pharmaceutical Services Inc (WST)
This table provides information about the put option holders of West Pharmaceutical Services Inc (WST). We have compiled data on the institutions that hold put options on the stock, with a total of 106,100 put options outstanding, which have been reported (via 13F filing form) to have a value of $27.7 Million at the end of the reported quarter. These put option holders have the right, but not the obligation, to sell AAPL shares at a specified price within a certain time frame.
| Holding | Report Date | puts Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
43,700
puts
|
$11.4 Million
0.0% of portfolio
|
Q3 2025
Reduced 35.45%
|
|
|
Twin Tree Management, LP
Dallas, TX |
Nov 13, 2025 Q3 2025 |
24,100
puts
|
$6.3 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
15,300
puts
|
$4 Million
0.0% of portfolio
|
Q3 2025
Reduced 18.62%
|
|
|
Peak6 Investments LLC
Chicago, IL |
Nov 13, 2024 Q3 2024 |
10,100
puts
|
$2.64 Million
0.01% of portfolio
|
Q3 2024
New holding
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
7,900
puts
|
$2.06 Million
0.0% of portfolio
|
Q3 2025
Reduced 68.65%
|
|
|
Wolverine Trading, LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
2,600
puts
|
$679,536
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Peak6 LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
1,600
puts
|
$418,176
0.0% of portfolio
|
Q3 2025
Reduced 75.76%
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Nov 14, 2025 Q3 2025 |
800
puts
|
$209,088
0.0% of portfolio
|
Q3 2025
Reduced 38.46%
|