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INTERACTIVE BROKERS GROUP IN
INTERACTIVE BROKERS GROUP IN. Institutional holdings reported to the SEC.

Institutional Holders (2017Q2)
Portfolio Summary: 213 Institutional holders with a total value of $2,268,416,094.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Finance, Inc. 6,512,563 243,701,000 10.74%
2 BAILLIE GIFFORD & CO 5,941,025 222,313,000 9.80%
3 VANGUARD GROUP INC 5,882,768 220,132,000 9.70%
4 Bares Capital Management, Inc. 4,464,909 167,077,000 7.37%
5 Ancient Art, L.P. 3,410,316 127,614,000 5.63%
6 TPG Group Holdings (SBS) Advisors, Inc. 2,344,251 87,722,000 3.87%
7 DIMENSIONAL FUND ADVISORS LP 1,996,966 74,726,000 3.29%
8 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1,974,810 73,898,000 3.26%
9 CANTILLON CAPITAL MANAGEMENT LLC 1,925,891 72,067,000 3.18%
10 Arlington Value Capital, LLC 1,887,090 70,614,000 3.11%
11 Grantham, Mayo, Van Otterloo & Co. LLC 1,597,544 59,780,000 2.64%
12 Hound Partners, LLC 1,320,120 49,399,000 2.18%
13 Echinus Advisors, LLC 1,139,765 42,650,000 1.88%
14 STATE STREET CORP 1,138,042 42,583,000 1.88%
15 OppenheimerFunds, Inc. 899,322 33,652,000 1.48%
16 Mitsubishi UFJ Trust & Banking Corp 835,500 31,264,000 1.38%
17 Bank of New York Mellon Corp 735,968 27,539,000 1.21%
18 FMR LLC 722,777 27,047,000 1.19%
19 Assured Investment Management LLC 683,674 25,583,000 1.13%
20 HUDSON WAY CAPITAL MANAGEMENT LLC 613,494 22,957,000 1.01%
21 GUARDIAN POINT CAPITAL, LP 600,000 22,452,000 0.99%
22 NORTHERN TRUST CORP 590,614 22,100,000 0.97%
23 GEODE CAPITAL MANAGEMENT, LLC 554,427 20,746,000 0.91%
24 COLUMBIA WANGER ASSET MANAGEMENT LLC 525,166 19,652,000 0.87%
25 PRINCIPAL FINANCIAL GROUP INC 517,125 19,351,000 0.85%
26 OAKCLIFF CAPITAL PARTNERS, LP 484,354 18,125,000 0.80%
27 NORDEA INVESTMENT MANAGEMENT AB 480,120 17,966,000 0.79%
28 WELLS FARGO & COMPANY/MN 449,881 16,834,000 0.74%
29 VICTORY CAPITAL MANAGEMENT INC 445,834 16,684,000 0.74%
30 Crestwood Capital Management, L.P. 410,552 15,363,000 0.68%
31 Quinn Opportunity Partners LLC 380,856 14,252,000 0.63%
32 Greenwich Wealth Management LLC 371,924 13,917,000 0.61%
33 AMERIPRISE FINANCIAL INC 357,822 13,390,000 0.59%
34 GOLDMAN SACHS GROUP INC 333,253 12,471,000 0.55%
35 Invesco Ltd. 305,647 11,437,000 0.50%
36 QVT Financial LP 300,000 11,226,000 0.49%
37 MILLENNIUM MANAGEMENT LLC 287,825 10,770,000 0.47%
38 Tensile Capital Management LP 275,000 10,291,000 0.45%
39 Select Equity Group, L.P. 266,788 9,983,207 0.44%
40 GABELLI FUNDS LLC 259,000 9,692,000 0.43%
41 THRIVENT FINANCIAL FOR LUTHERANS 227,130 8,499,000 0.37%
42 TIAA CREF INVESTMENT MANAGEMENT LLC 214,415 8,023,000 0.35%
43 WOODSON CAPITAL MANAGEMENT, LP 200,000 7,484,000 0.33%
44 NEW YORK STATE COMMON RETIREMENT FUND 182,601 6,833,000 0.30%
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 182,308 6,822,000 0.30%
46 RENAISSANCE TECHNOLOGIES LLC 169,100 6,328,000 0.28%
47 RUSSELL INVESTMENTS GROUP, LTD. 164,373 6,151,000 0.27%
48 Lombard Odier Asset Management (USA) Corp 160,757 6,016,000 0.27%
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 142,900 5,347,000 0.24% Put
50 SUSQUEHANNA INTERNATIONAL GROUP, LLP 142,500 5,332,000 0.24% Call
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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.