Institutions Holding Call Options on Western Digital Corp (WDC)
This table provides information about the call option holders of Western Digital Corp (WDC). We have compiled data on the institutions that hold call options on the stock, with a total of 15.3 Million call options outstanding, which have been reported (via 13F filing form) to have a value of $1.16 Billion at the end of the reported quarter. These call option holders have the right, but not the obligation, to buy AAPL shares at a specified price within a certain time frame.
| Holding | Report Date | calls Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
3,493,700
calls
|
$265 Million
0.04% of portfolio
|
N/A
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
2,553,100
calls
|
$194 Million
0.02% of portfolio
|
N/A
|
|
|
Walleye Trading LLC
Plymouth, MN |
Aug 13, 2025 Q2 2025 |
1,325,800
calls
|
$101 Million
0.16% of portfolio
|
N/A
|
|
|
Peak6 LLC
Chicago, IL |
Aug 13, 2025 Q2 2025 |
1,147,900
calls
|
$87.1 Million
0.15% of portfolio
|
N/A
|
|
|
Jane Street Group, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
1,136,000
calls
|
$86.2 Million
0.02% of portfolio
|
N/A
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
800,000
calls
|
$60.7 Million
0.0% of portfolio
|
Q2 2024
New holding
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
485,400
calls
|
$36.8 Million
0.05% of portfolio
|
N/A
|
|
|
Rokos Capital Management LLP
London, X0 |
Aug 14, 2025 Q2 2025 |
455,000
calls
|
$34.5 Million
0.13% of portfolio
|
N/A
|
|
|
Qube Research & Technologies LTD
London, X0 |
Aug 14, 2025 Q2 2025 |
386,400
calls
|
$29.3 Million
0.03% of portfolio
|
N/A
|
|
|
Citigroup Inc
|
Aug 11, 2025 Q2 2025 |
300,000
calls
|
$22.8 Million
0.01% of portfolio
|
N/A
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
Aug 14, 2025 Q2 2025 |
294,400
calls
|
$22.3 Million
0.03% of portfolio
|
N/A
|
|
|
Hap Trading, LLC
New York, NY |
Aug 13, 2025 Q2 2025 |
259,000
calls
|
$19.7 Million
0.56% of portfolio
|
N/A
|
|
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
Aug 14, 2025 Q2 2025 |
251,700
calls
|
$19.1 Million
0.04% of portfolio
|
N/A
|
|
|
Squarepoint Ops LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
247,400
calls
|
$18.8 Million
0.02% of portfolio
|
N/A
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Aug 14, 2025 Q2 2025 |
217,400
calls
|
$16.5 Million
0.01% of portfolio
|
N/A
|
|
|
Wolverine Trading, LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
205,500
calls
|
$15.6 Million
0.01% of portfolio
|
N/A
|
|
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
191,700
calls
|
$14.6 Million
0.03% of portfolio
|
N/A
|
|
|
Peak6 Investments LLC
Chicago, IL |
Nov 13, 2024 Q3 2024 |
183,400
calls
|
$13.9 Million
0.03% of portfolio
|
N/A
|
|
|
Mizuho Markets Americas LLC
|
Aug 01, 2025 Q2 2025 |
165,500
calls
|
$12.6 Million
0.26% of portfolio
|
Q2 2025
Reduced 94.74%
|
|
|
Hsbc Holdings PLC
London, X0 |
Aug 13, 2025 Q2 2025 |
165,000
calls
|
$12.5 Million
0.01% of portfolio
|
N/A
|
|
|
Caption Management, LLC
Oklahoma City, OK |
Aug 14, 2025 Q2 2025 |
150,000
calls
|
$11.4 Million
0.12% of portfolio
|
N/A
|
|
|
Capital Fund Management S.A.
Paris, I0 |
Aug 13, 2025 Q2 2025 |
133,900
calls
|
$10.2 Million
0.02% of portfolio
|
N/A
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
114,000
calls
|
$8.65 Million
0.0% of portfolio
|
N/A
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
102,800
calls
|
$7.8 Million
0.0% of portfolio
|
N/A
|
|
|
Verition Fund Management LLC
Greenwich, CT |
Aug 14, 2025 Q2 2025 |
102,400
calls
|
$7.77 Million
0.03% of portfolio
|
N/A
|