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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $2,136,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 53,000 953,000 44.62% Call
2 GROUP ONE TRADING LLC 52,100 937,000 43.87% Call
3 Timber Hill LLC 13,500 243,000 11.38% Call
4 SIMPLEX TRADING, LLC 201 3,000 0.14% 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.