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

Institutional Holders (2016Q1)
Portfolio Summary: 10 Institutional holders with a total value of $187,367,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 208,700 75,224,000 40.15% Put
2 VALTURA CAPITAL PARTNERS LLC 173,300 62,464,000 33.34% Put
3 SABBY MANAGEMENT, LLC 588 21,194,000 11.31% Put
4 Allianz Asset Management GmbH 34,400 12,399,000 6.62% Put
5 Timber Hill LLC 17,100 6,164,000 3.29% Put
6 SIMPLEX TRADING, LLC 233 4,665,000 2.49% Put
7 Iguana Healthcare Management, LLC 7,500 2,703,000 1.44% Put
8 SG Americas Securities, LLC 24,300 2,262,000 1.21% Put
9 GROUP ONE TRADING LLC 800 288,000 0.15% Put
10 Financial Architects, Inc 400 4,000 0.00% Put

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.