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

Institutional Holders (2016Q2)
Portfolio Summary: 7 Institutional holders with a total value of $214,392,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 281,400 98,273,000 45.84% Put
2 SABBY MANAGEMENT, LLC 1,160 40,511,000 18.90% Put
3 PFM Health Sciences, LP 98,400 34,364,000 16.03% Put
4 Allianz Asset Management GmbH 96,700 33,771,000 15.75% Put
5 Timber Hill LLC 15,700 5,483,000 2.56% Put
6 SIMPLEX TRADING, LLC 376 1,326,000 0.62% Put
7 Partner Investment Management, L.P. 1,900 664,000 0.31% 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.