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TD AMERITRADE HLDG CORP
TD AMERITRADE HLDG CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 4 Institutional holders with a total value of $7,335,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 88,100 3,283,000 44.76% Call
2 Timber Hill LLC 62,100 2,314,000 31.55% Call
3 GROUP ONE TRADING LLC 45,800 1,707,000 23.27% Call
4 SIMPLEX TRADING, LLC 64 31,000 0.42% 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.