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WESCO INTL INC
WESCO INTL INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $1,463,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 20,600 900,000 61.52% Call
2 CITADEL ADVISORS LLC 7,700 336,000 22.97% Call
3 GROUP ONE TRADING LLC 5,200 227,000 15.52% Call
4 SIMPLEX TRADING, LLC 16 0 0.00% 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.