Dark
Light
System
Security
TD AMERITRADE HLDG CORP
TD AMERITRADE HLDG CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 5 Institutional holders with a total value of $50,852,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PEAK6 Group LLC 875,600 29,219,000 57.46% Call
2 GROUP ONE TRADING LLC 268,400 8,957,000 17.61% Call
3 CITADEL ADVISORS LLC 198,200 6,614,000 13.01% Call
4 Timber Hill LLC 164,700 5,496,000 10.81% Call
5 SG Americas Securities, LLC 110,000 566,000 1.11% 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.