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WESTERN DIGITAL CORP
WESTERN DIGITAL CORP. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 9 Institutional holders with a total value of $92,050,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Pentwater Capital Management LP 648,600 30,653,000 33.30% Put
2 GROUP ONE TRADING LLC 591,900 27,973,000 30.39% Put
3 CITADEL ADVISORS LLC 537,200 25,388,000 27.58% Put
4 CIBC WORLD MARKETS CORP 50,000 3,939,000 4.28% Put
5 Timber Hill LLC 63,800 3,015,000 3.28% Put
6 SIMPLEX TRADING, LLC 4,925 1,064,000 1.16% Put
7 ADVENT CAPITAL MANAGEMENT /DE/ 1,700 12,000 0.01% Put
8 SG Americas Securities, LLC 66,000 3,000 0.00% Put
9 SOCIETE GENERALE 66,000 3,000 0.00% Put

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.