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REGENERON PHARMACEUTICALS INC
REGENERON PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 5 Institutional holders with a total value of $90,598,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 120,900 43,587,000 48.11% Call
2 PEAK6 Group LLC 58,500 21,090,000 23.28% Call
3 Timber Hill LLC 37,200 13,411,000 14.80% Call
4 SABBY MANAGEMENT, LLC 270 9,734,000 10.74% Call
5 Virtu KCG Holdings LLC 7,700 2,776,000 3.06% 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.