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Calpine Corp
Calpine Corp. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 5 Institutional holders with a total value of $10,515,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 193,400 4,280,000 40.70% Call
2 GROUP ONE TRADING LLC 135,000 2,988,000 28.42% Call
3 Timber Hill LLC 108,900 2,410,000 22.92% Call
4 Virtu KCG Holdings LLC 37,600 832,000 7.91% Call
5 SIMPLEX TRADING, LLC 55 5,000 0.05% 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.