Dark
Light
System
Security
SEATTLE GENETICS INC
SEATTLE GENETICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 4 Institutional holders with a total value of $3,856,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 57,000 1,831,000 47.48% Call
2 GROUP ONE TRADING LLC 41,800 1,343,000 34.83% Call
3 SABBY MANAGEMENT, LLC 211 678,000 17.58% Call
4 SIMPLEX TRADING, LLC 64 4,000 0.10% 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.