Institutions Holding Put Options on Western Digital Corp (WDC)
This table provides information about the put option holders of Western Digital Corp (WDC). We have compiled data on the institutions that hold put options on the stock, with a total of 13.4 Million put options outstanding, which have been reported (via 13F filing form) to have a value of $1.02 Billion 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 |
|---|---|---|---|---|---|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
1,916,100
puts
|
$145 Million
0.02% of portfolio
|
Q2 2025
Added 6.43%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
1,440,000
puts
|
$109 Million
0.01% of portfolio
|
Q2 2025
Added 19.68%
|
|
|
Walleye Trading LLC
Plymouth, MN |
Aug 13, 2025 Q2 2025 |
1,190,500
puts
|
$90.4 Million
0.14% of portfolio
|
Q2 2025
Reduced 1.83%
|
|
|
Jane Street Group, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
1,157,900
puts
|
$87.9 Million
0.02% of portfolio
|
Q2 2025
Added 4.81%
|
|
|
Portman Square Capital LLP
London, X0 |
Jul 29, 2025 Q2 2025 |
720,800
puts
|
$54.7 Million
1.86% of portfolio
|
Q2 2025
Added 1210.55%
|
|
|
Rokos Capital Management LLP
London, X0 |
Aug 14, 2025 Q2 2025 |
630,000
puts
|
$47.8 Million
0.18% of portfolio
|
Q2 2025
New holding
|
|
|
Saba Capital Management, L.P.
New York, NY |
Aug 14, 2025 Q2 2025 |
550,800
puts
|
$41.8 Million
0.9% of portfolio
|
Q2 2025
New holding
|
|
|
Peak6 LLC
Chicago, IL |
Aug 13, 2025 Q2 2025 |
547,900
puts
|
$41.6 Million
0.07% of portfolio
|
Q2 2025
Added 87.96%
|
|
|
Peak6 Investments LLC
Chicago, IL |
Nov 13, 2024 Q3 2024 |
481,200
puts
|
$36.5 Million
0.08% of portfolio
|
Q3 2024
Added 53.05%
|
|
|
Twin Tree Management, LP
Dallas, TX |
Jul 28, 2025 Q2 2025 |
443,900
puts
|
$33.7 Million
0.05% of portfolio
|
Q2 2025
Reduced 22.77%
|
|
|
Marshall Wace, LLP
London, X0 |
Aug 13, 2025 Q2 2025 |
424,700
puts
|
$32.2 Million
0.03% of portfolio
|
Q2 2025
New holding
|
|
|
Cloud Alpha Capital Management Limited
Hong Kong, K3 |
Aug 06, 2025 Q2 2025 |
400,000
puts
|
$30.4 Million
1.44% of portfolio
|
Q2 2025
New holding
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
346,700
puts
|
$26.3 Million
0.01% of portfolio
|
Q2 2025
Added 3.52%
|
|
|
Capital Fund Management S.A.
Paris, I0 |
Aug 13, 2025 Q2 2025 |
300,200
puts
|
$22.8 Million
0.06% of portfolio
|
Q2 2025
Added 10.25%
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
Aug 14, 2025 Q2 2025 |
294,400
puts
|
$22.3 Million
0.03% of portfolio
|
Q2 2025
Added 154.89%
|
|
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
Aug 14, 2025 Q2 2025 |
268,200
puts
|
$20.4 Million
0.04% of portfolio
|
Q2 2025
Added 59.83%
|
|
|
Citigroup Inc
|
Aug 11, 2025 Q2 2025 |
250,000
puts
|
$19 Million
0.01% of portfolio
|
Q2 2025
Added 400.0%
|
|
|
Squarepoint Ops LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
225,400
puts
|
$17.1 Million
0.02% of portfolio
|
Q2 2025
Added 414.61%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
220,200
puts
|
$16.7 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.18%
|
|
|
Qube Research & Technologies LTD
London, X0 |
Aug 14, 2025 Q2 2025 |
215,100
puts
|
$16.3 Million
0.01% of portfolio
|
Q2 2025
Added 221.52%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Aug 14, 2025 Q2 2025 |
174,500
puts
|
$13.2 Million
0.01% of portfolio
|
Q2 2025
Reduced 49.21%
|
|
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
169,600
puts
|
$12.9 Million
0.03% of portfolio
|
Q2 2025
Added 40.75%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
156,700
puts
|
$11.9 Million
0.0% of portfolio
|
Q2 2025
Added 31.68%
|
|
|
Caption Management, LLC
Oklahoma City, OK |
Aug 14, 2025 Q2 2025 |
150,000
puts
|
$11.4 Million
0.12% of portfolio
|
Q2 2025
Added 66.67%
|
|
|
Hap Trading, LLC
New York, NY |
Aug 13, 2025 Q2 2025 |
146,900
puts
|
$11.2 Million
0.02% of portfolio
|
Q2 2025
Added 345.15%
|