Dark
Light
System
Security
INTERACTIVE BROKERS GRO CL A
INTERACTIVE BROKERS GRO CL A. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 223 Institutional holders with a total value of $2,275,203,606.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Kylin Management LLC 5,180,171 225,855,000 9.93%
2 VANGUARD GROUP INC 4,416,596 192,564,000 8.46%
3 Ancient Art, L.P. 3,218,013 140,305,000 6.17%
4 BlackRock Fund Advisors 2,876,657 125,422,000 5.51%
5 ABRAMS BISON INVESTMENTS, LLC 2,788,553 121,581,000 5.34%
6 DIMENSIONAL FUND ADVISORS LP 2,390,727 104,236,000 4.58%
7 SCOPIA CAPITAL MANAGEMENT LP 1,880,740 82,000,000 3.60%
8 Arlington Value Capital, LLC 1,830,685 79,817,000 3.51%
9 AMERICAN CENTURY COMPANIES INC 1,731,190 75,480,000 3.32%
10 TPG Group Holdings (SBS) Advisors, Inc. 1,582,987 69,018,000 3.03%
11 Bares Capital Management, Inc. 1,402,549 61,151,000 2.69%
12 BlackRock Institutional Trust Company, N.A. 1,358,121 59,214,000 2.60%
13 FMR LLC 1,245,843 54,319,000 2.39%
14 Grantham, Mayo, Van Otterloo & Co. LLC 1,220,000 53,192,000 2.34%
15 Valiant Capital Management, L.P. 1,130,479 49,289,000 2.17%
16 Apex Capital Management 950,601 41,446,000 1.82%
17 STATE STREET CORP 837,014 36,500,000 1.60%
18 Bank of New York Mellon Corp 635,211 27,694,000 1.22%
19 Echinus Advisors, LLC 625,751 27,283,000 1.20%
20 GUARDIAN POINT CAPITAL, LP 600,000 26,160,000 1.15%
21 Foxhaven Asset Management, LP 599,043 26,118,000 1.15%
22 MORGAN STANLEY 598,141 26,079,000 1.15%
23 DELTA PARTNERS LP 483,890 21,098,000 0.93%
24 NORTHERN TRUST CORP 474,014 20,667,000 0.91%
25 Passport Capital, LLC 450,000 19,620,000 0.86%
26 NORGES BANK 445,619 19,429,000 0.85%
27 LATIMER LIGHT CAPITAL, L.P. 398,508 17,375,000 0.76%
28 PRINCIPAL FINANCIAL GROUP INC 395,160 17,229,000 0.76%
29 GOLDMAN SACHS GROUP INC 380,752 16,601,000 0.73%
30 Tiger Legatus Capital Management, LLC 370,000 16,132,000 0.71%
31 GEODE CAPITAL MANAGEMENT, LLC 360,650 15,724,000 0.69%
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 343,606 14,982,000 0.66%
33 Cupps Capital Management, LLC 304,912 13,294,000 0.58%
34 BANK OF AMERICA CORP /DE/ 300,240 13,091,000 0.58%
35 Junto Capital Management LP 295,753 12,895,000 0.57%
36 WELLINGTON MANAGEMENT GROUP LLP 288,107 12,562,000 0.55%
37 AMERIPRISE FINANCIAL INC 283,654 12,367,000 0.54%
38 THRAX MANAGEMENT, LLC 274,590 11,972,000 0.53%
39 Greenwich Wealth Management LLC 269,958 11,770,000 0.52%
40 TIAA CREF INVESTMENT MANAGEMENT LLC 256,482 11,183,000 0.49%
41 GOLDMAN SACHS GROUP INC 243,200 10,604,000 0.47% Put
42 Quinn Opportunity Partners LLC 219,951 9,590,000 0.42%
43 Lombard Odier Asset Management (USA) Corp 209,874 9,151,000 0.40%
44 SkyTop Capital Management LLC 200,000 8,720,000 0.38%
45 NEW YORK STATE COMMON RETIREMENT FUND 197,757 8,622,000 0.38%
46 Three Corner Global Investors LP 189,100 8,245,000 0.36%
47 DEUTSCHE BANK AG\ 168,852 7,360,000 0.32%
48 PARAMETRIC PORTFOLIO ASSOCIATES LLC 167,987 7,324,000 0.32%
49 Park West Asset Management LLC 167,500 7,303,000 0.32%
50 GABELLI FUNDS LLC 146,000 6,366,000 0.28%
Page 1 of 5

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.