Dark
Light
System
Security
ALNYLAM PHARMACEUTICALS INC
ALNYLAM PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q3)
Portfolio Summary: 5 Institutional holders with a total value of $18,607,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,448 9,815,000 52.75% Call
2 GROUP ONE TRADING LLC 71,000 4,812,000 25.86% Call
3 Signpost Capital Advisors, LP 46,000 3,118,000 16.76%
4 Timber Hill LLC 12,100 820,000 4.41% Call
5 SIMPLEX TRADING, LLC 156 42,000 0.23% 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.