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

Institutional Holders (2015Q1)
Portfolio Summary: 5 Institutional holders with a total value of $22,091,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 154,100 14,025,000 63.49% Call
2 Timber Hill LLC 85,500 7,781,000 35.22% Call
3 Virtu KCG Holdings LLC 2,300 209,000 0.95% Call
4 SIMPLEX TRADING, LLC 145 42,000 0.19% Call
5 SG Americas Securities, LLC 16,400 34,000 0.15% Call

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.