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

Institutional Holders (2014Q4)
Portfolio Summary: 5 Institutional holders with a total value of $29,628,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 206,900 22,904,000 77.31% Put
2 Timber Hill LLC 46,900 5,192,000 17.52% Put
3 Virtu KCG Holdings LLC 12,900 1,428,000 4.82% Put
4 SG Americas Securities, LLC 39,700 98,000 0.33% Put
5 SIMPLEX TRADING, LLC 125 6,000 0.02% 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.