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

Institutional Holders (2015Q2)
Portfolio Summary: 5 Institutional holders with a total value of $59,355,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 4,157 49,830,000 83.95% Call
2 CITADEL ADVISORS LLC 64,500 7,732,000 13.03% Call
3 Timber Hill LLC 9,100 1,091,000 1.84% Call
4 GROUP ONE TRADING LLC 5,800 695,000 1.17% Call
5 SIMPLEX TRADING, LLC 7 7,000 0.01% 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.