Dark
Light
System
Security
WESTERN DIGITAL CORP
WESTERN DIGITAL CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 5 Institutional holders with a total value of $11,909,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 65,700 6,394,000 53.69% Call
2 Timber Hill LLC 27,100 2,637,000 22.14% Call
3 Virtu KCG Holdings LLC 19,400 1,888,000 15.85% Call
4 PEAK6 Group LLC 9,400 915,000 7.68% Call
5 SG Americas Securities, LLC 14,600 75,000 0.63% 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.