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Interactive Brokers Group Inc
Interactive Brokers Group Inc. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 5 Institutional holders with a total value of $41,752,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 RUANE, CUNNIFF & GOLDFARB INC 1,002,415 39,565,000 94.76%
2 GAMBLE JONES INVESTMENT COUNSEL 27,658 1,092,000 2.62%
3 Calvert Investment Management, Inc. 17,992 710,000 1.70%
4 REYNOLDS CAPITAL MANAGEMENT LLC 9,700 383,000 0.92%
5 QUADRANT CAPITAL GROUP LLC 73 2,000 0.00%

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.