Interactive Brokers Group Inc
(45841N107)
Funds Reporting Holdings of Interactive Brokers Group Inc according to 13F filings
| Firm Name | Shares Held / Principal Amount | Market Value | Option | Report Period | Effectiveness Date |
|---|---|---|---|---|---|
| Select Equity Group LP | 2,206,559 | $119,595,498k | Jun 30, 2019 | Aug 14, 2019 | |
| Bares Capital Management Inc | 7,243,924 | $392,621k | Jun 30, 2019 | Aug 14, 2019 | |
| Echinus Advisors LLC | 2,411,525 | $130,705k | Jun 30, 2019 | Aug 14, 2019 | |
| Kayne Anderson Rudnick Investment Management LLC | 1,842,520 | $99,865k | Jun 30, 2019 | Aug 14, 2019 | |
| Ancient ART LP | 1,619,273 | $87,765k | Jun 30, 2019 | Aug 14, 2019 | |
| Arlington Value Capital LLC | 1,329,415 | $72,054k | Jun 30, 2019 | Aug 14, 2019 | |
| Cantillon Capital Management LLC | 1,255,715 | $68,060k | Jun 30, 2019 | Jul 26, 2019 | |
| Cantillon Capital Management LLP | 1,255,715 | $68,060k | Jun 30, 2019 | Jul 26, 2019 | |
| Nikko Asset Management Americas Inc | 1,016,504 | $55,095k | Jun 30, 2019 | Jul 29, 2019 | |
| Bloom Tree Partners LLC | 707,293 | $38,335k | Jun 30, 2019 | Aug 13, 2019 | |
| CAT Rock Capital Management LP | 606,214 | $32,857k | Jun 30, 2019 | Aug 14, 2019 | |
| Park West Asset Management LLC | 429,806 | $23,295k | Jun 30, 2019 | Sep 9, 2019 | |
| Lateef Investment Management LP | 318,350 | $17,255k | Jun 30, 2019 | Aug 12, 2019 | |
| Miura Global Management LLC | 300,000 | $16,260k | Jun 30, 2019 | Aug 14, 2019 | |
| Woodson Capital Management LP | 250,000 | $13,550k | Jun 30, 2019 | Aug 14, 2019 | |
| Gabelli Funds LLC | 178,249 | $9,661k | Jun 30, 2019 | Aug 2, 2019 | |
| Maytech Global Investments LLC | 102,208 | $5,540k | Jun 30, 2019 | Aug 12, 2019 | |
| Schwartz Investment Counsel Inc | 80,000 | $4,336k | Jun 30, 2019 | Jul 24, 2019 | |
| van DEN BERG Management I Inc | 48,283 | $2,617k | Jun 30, 2019 | Aug 14, 2019 | |
| Gabelli & Company Investment Advisers Inc | 32,000 | $1,734k | Jun 30, 2019 | Aug 2, 2019 | |
| Pacer Advisors Inc | 29,874 | $1,619k | Jun 30, 2019 | Aug 12, 2019 | |
| Panagora Asset Management Inc | 17,633 | $956k | Jun 30, 2019 | Aug 9, 2019 | |
| OFI Advisors LLC | 17,727 | $700k | Sep 30, 2015 | Nov 16, 2015 | |
| Haverford Financial Services Inc | 12,005 | $651k | Jun 30, 2019 | Aug 13, 2019 | |
| Gargoyle Investment Advisor LLC | 8,734 | $473k | Jun 30, 2019 | Aug 13, 2019 | |
| Dearborn Partners LLC | 7,074 | $383k | Jun 30, 2019 | Jul 29, 2019 | |
| First Manhattan Co | 6,250 | $338k | Jun 30, 2019 | Aug 16, 2019 | |
| Pacific Global Investment Management Co | 5,862 | $318k | Jun 30, 2019 | Aug 14, 2019 | |
| Markston International LLC | 1,500 | $81k | Jun 30, 2019 | Aug 6, 2019 |