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

Institutional Holders (2016Q4)
Portfolio Summary: 5 Institutional holders with a total value of $6,516,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,240 4,643,000 71.26% Call
2 GROUP ONE TRADING LLC 38,000 1,423,000 21.84% Call
3 Timber Hill LLC 11,100 416,000 6.38% Call
4 SIMPLEX TRADING, LLC 228 28,000 0.43% Call
5 SG Americas Securities, LLC 63,000 6,000 0.09% 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.