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

Institutional Holders (2014Q1)
Portfolio Summary: 4 Institutional holders with a total value of $96,301,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 126,800 38,076,000 39.54% Call
2 SABBY MANAGEMENT, LLC 1,216 36,514,000 37.92% Call
3 Timber Hill LLC 55,700 16,726,000 17.37% Call
4 Virtu KCG Holdings LLC 16,600 4,985,000 5.18% 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.