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

Institutional Holders (2015Q1)
Portfolio Summary: 4 Institutional holders with a total value of $3,287,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 74,600 1,706,000 51.90% Call
2 Timber Hill LLC 51,100 1,169,000 35.56% Call
3 CITADEL ADVISORS LLC 18,000 412,000 12.53% Call
4 SIMPLEX TRADING, LLC 3 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.