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

Institutional Holders (2015Q2)
Portfolio Summary: 6 Institutional holders with a total value of $19,556,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 171,600 13,457,000 68.81% Call
2 Timber Hill LLC 59,400 4,658,000 23.82% Call
3 Allianz Asset Management GmbH 13,300 1,043,000 5.33% Call
4 Virtu KCG Holdings LLC 4,700 369,000 1.89% Call
5 SIMPLEX TRADING, LLC 461 24,000 0.12% Call
6 SG Americas Securities, LLC 16,400 5,000 0.03% 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.