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

Institutional Holders (2016Q4)
Portfolio Summary: 5 Institutional holders with a total value of $70,802,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 509,500 34,621,000 48.90% Put
2 Pentwater Capital Management LP 257,600 17,504,000 24.72% Put
3 Allianz Asset Management GmbH 139,500 9,479,000 13.39% Put
4 Timber Hill LLC 132,300 8,990,000 12.70% Put
5 SIMPLEX TRADING, LLC 3,669 208,000 0.29% 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.