Put Options Transactions Made in Q3 2025 in Western Digital Corp (WDC)
This table provides information about the institutional ownership of Western Digital Corp (WDC) during Q3 2025. The information is specifically focused on institutions that hold put options of WESTERN DIGITAL 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 |
3.45M+ 180.05% |
$220M - $414M
|
5.37M
$847M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
1.77M+ 122.67% |
$113M - $212M
|
3.21M
$506M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
1.23M+ 106.55% |
$78.8M - $148M
|
2.39M
$377M
|
|
|
Nov 13, 2025
Q3 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
PUT |
763K+ 139.19% |
$48.7M - $91.6M
|
1.31M
$207M
|
|
|
Nov 14, 2025
Q3 2025
|
Rokos Capital Management LLP
London, X0 |
BUY
|
PUT |
450K+ 71.43% |
$28.7M - $54M
|
1.08M
$170M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
PUT |
392K+ 174.05% |
$25M - $47.1M
|
618K
$97.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
PUT |
314K+ 26.34% |
$20M - $37.7M
|
1.5M
$237M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
PUT |
274K+ 157.19% |
$17.5M - $32.9M
|
449K
$70.8M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
PUT |
260K+ 104.0% |
$16.6M - $31.2M
|
510K
$80.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Torno Capital, LLC
Cohasset, MA |
BUY
|
PUT |
249KNew |
$15.9M - $29.9M
|
249K
$39.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
PUT |
190K+ 843.56% |
$12.1M - $22.8M
|
212K
$33.5M
|
|
|
Oct 29, 2025
Q3 2025
|
Mizuho Markets Americas LLC
|
BUY
|
PUT |
170KNew |
$10.9M - $20.5M
|
170K
$26.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
PUT |
139K+ 648.6% |
$8.86M - $16.7M
|
160K
$25.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
PUT |
116K+ 52.45% |
$7.37M - $13.9M
|
336K
$53M
|
|
|
Nov 13, 2025
Q3 2025
|
Capital Fund Management S.A.
Paris, I0 |
BUY
|
PUT |
112K+ 37.41% |
$7.17M - $13.5M
|
413K
$65.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
63.3K+ 47.13% |
$4.04M - $7.6M
|
198K
$31.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Lmr Partners LLP
London, X0 |
BUY
|
PUT |
62.4KNew |
$3.98M - $7.49M
|
62.4K
$9.85M
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
BUY
|
PUT |
61.3K+ 49.04% |
$3.91M - $7.36M
|
186K
$29.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Eisler Capital Management Ltd.
London, X0 |
BUY
|
PUT |
55K+ 151.52% |
$3.51M - $6.6M
|
91.3K
$14.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
50K+ 33.33% |
$3.19M - $6M
|
200K
$31.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
PUT |
43.1K+ 20.04% |
$2.75M - $5.17M
|
258K
$40.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Capstone Investment Advisors, LLC
New York, NY |
BUY
|
PUT |
36.6K+ 237.66% |
$2.34M - $4.39M
|
52K
$8.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
PUT |
33.4K+ 72.77% |
$2.13M - $4.01M
|
79.3K
$12.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
PUT |
23.5K+ 8.76% |
$1.5M - $2.82M
|
292K
$46M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
PUT |
20K+ 12.76% |
$1.28M - $2.4M
|
177K
$27.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
PUT |
16.1K+ 5.47% |
$1.03M - $1.93M
|
311K
$49M
|
|
|
Nov 14, 2025
Q3 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
PUT |
10KNew |
$638K - $1.2M
|
10K
$1.58M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
PUT |
9.3KNew |
$594K - $1.12M
|
9.3K
$1.47M
|
|
|
Nov 14, 2025
Q3 2025
|
Saba Capital Management, L.P.
New York, NY |
BUY
|
PUT |
8.2K+ 1.49% |
$523K - $984K
|
559K
$88.2M
|
|
|
Oct 27, 2025
Q3 2025
|
Belvedere Trading LLC
|
BUY
|
PUT |
5.7K+ 27.27% |
$364K - $684K
|
26.6K
$4.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Shay Capital LLC
New York, NY |
BUY
|
PUT |
5KNew |
$319K - $600K
|
5K
$789K
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
PUT |
4.8KNew |
$306K - $576K
|
4.8K
$758K
|
|
|
Nov 06, 2025
Q3 2025
|
High Tower Advisors, LLC
Chicago, IL |
BUY
|
PUT |
3KNew |
$192K - $360K
|
3K
$473K
|
|
|
Oct 27, 2025
Q3 2025
|
Concurrent Investment Advisors, LLC
Tampa, FL |
BUY
|
PUT |
2.5KNew |
$160K - $300K
|
2.5K
$395K
|
|
|
Nov 14, 2025
Q3 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
PUT |
1KNew |
$63.8K - $120K
|
1K
$158K
|
|
|
Nov 13, 2025
Q3 2025
|
North Rock Partners, LLC
|
BUY
|
PUT |
200New |
$12.8K - $24K
|
200
$31.6K
|
|
|
Nov 13, 2025
Q3 2025
|
Limestone Investment Advisors LP
New York, NY |
BUY
|
PUT |
100+ 0.97% |
$6.38K - $12K
|
10.4K
$1.64M
|
|
|
Nov 14, 2025
Q3 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
SELL
|
PUT |
-16.9K- 9.96% |
$1.08M - $2.03M
|
153K
$24.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Bank Of Montreal
Toronto, A6 |
SELL
|
PUT |
-19.9K- 39.8% |
$1.27M - $2.39M
|
30.1K
$4.75M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
PUT |
-52K- 15.0% |
$3.32M - $6.24M
|
295K
$46.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Twin Tree Management, LP
Dallas, TX |
SELL
|
PUT |
-218K- 49.0% |
$13.9M - $26.1M
|
226K
$35.7M
|
|
|
Oct 16, 2025
Q3 2025
|
Portman Square Capital LLP
London, X0 |
SELL
|
PUT |
-300K- 41.62% |
$19.2M - $36M
|
421K
$66.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
PUT |
-423K- 99.6% |
$27M - $50.8M
|
1.7K
$268K
|
|