Dark
Light
System
Security
ALLEGHENY TECHNOLOGIES INC
ALLEGHENY TECHNOLOGIES INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 4 Institutional holders with a total value of $991,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 36,400 516,000 52.07% Call
2 Timber Hill LLC 24,100 342,000 34.51% Call
3 GROUP ONE TRADING LLC 9,400 133,000 13.42% Call
4 SIMPLEX TRADING, LLC 65 0 0.00% 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.