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

Institutional Holders (2016Q2)
Portfolio Summary: 5 Institutional holders with a total value of $11,037,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 606 3,363,000 30.47% Put
2 GROUP ONE TRADING LLC 60,000 3,329,000 30.16% Put
3 SPHERA FUNDS MANAGEMENT LTD. 600 3,329,000 30.16% Put
4 CITADEL ADVISORS LLC 16,600 921,000 8.34% Put
5 SIMPLEX TRADING, LLC 214 95,000 0.86% 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.