INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
VANGUARD GROUP INC52,254,357$3,360,478
BlackRock, Inc.31,679,842$2,037,331
STATE STREET CORP18,836,521$1,211,377
CANTILLON CAPITAL MANAGEMENT LLC12,759,904$820,589
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC11,206,753$720,706
GEODE CAPITAL MANAGEMENT, LLC10,203,434$654,260
Orbis Allan Gray Ltd9,273,735$596,394
Greenwich Wealth Management LLC9,185,108$591
Invesco Ltd.8,288,379$533,026
WELLINGTON MANAGEMENT GROUP LLP8,284,218$532,758
JPMORGAN CHASE & CO7,440,816$478,519
NORGES BANK7,046,279$453,146
Egerton Capital (UK) LLP6,939,581$446,284
BANK OF AMERICA CORP /DE/6,668,672$428,862
London & Capital Asset Management Ltd5,861,042$377,012
AMERICAN CENTURY COMPANIES INC5,762,860$370,610
1832 Asset Management L.P.5,027,916$323,345
JACOBS LEVY EQUITY MANAGEMENT, INC4,813,320$309,545
FMR LLC4,809,195$309,279
BAMCO INC /NY/4,643,376$298,616
NEUBERGER BERMAN GROUP LLC4,616,728$297,250
TWO SIGMA ADVISERS, LP4,597,600$295,672
MORGAN STANLEY4,520,646$290,723
TWO SIGMA INVESTMENTS, LP3,526,821$226,810
NORTHERN TRUST CORP3,518,948$226,304
CHARLES SCHWAB INVESTMENT MANAGEMENT INC3,383,354$217,583
MARSHALL WACE, LLP3,204,247$206,065
WELLS FARGO & COMPANY/MN3,130,123$201,298
FIRST TRUST ADVISORS LP2,635,369$169,481
Bank of New York Mellon Corp2,530,644$162,746
GOLDMAN SACHS GROUP INC2,518,858$161,988
UBS Group AG2,413,111$155,187
TD Asset Management Inc2,381,961$153,184
ROYAL BANK OF CANADA2,135,918$137,360
Progeny 3, Inc.2,129,760$136,965
KBC Group NV2,106,594$135
Legal & General Group Plc2,103,969$135,306
UBS ASSET MANAGEMENT AMERICAS INC1,998,267$128,509
RAYMOND JAMES FINANCIAL INC1,919,301$123,430
Empower Advisory Group, LLC1,765,368$113,531
BARCLAYS PLC1,689,145$108,629
Ensign Peak Advisors, Inc1,661,543$106,854
DEUTSCHE BANK AG\1,653,745$106,352
Ancient Art, L.P.1,643,636$105,702
BESSEMER GROUP INC1,532,489$99
Amundi1,498,393$96,362
Bronte Capital Management Pty Ltd.1,486,294$95,584
FIL Ltd1,460,105$93,899
TimesSquare Capital Management, LLC1,457,511$93,733
Robeco Institutional Asset Management B.V.1,385,951$89,131
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC1,293,793$83,204
Nuveen, LLC1,277,341$82,146
Hosking Partners LLP1,264,348$81,310
Bristol Gate Capital Partners Inc.1,211,726$77,926
Hengistbury Investment Partners LLP1,136,084$73,062
HSBC HOLDINGS PLC1,120,539$72,299
BNP PARIBAS ARBITRAGE, SA1,119,324$71,984
WORLDQUANT MILLENNIUM ADVISORS LLC1,111,014$71,449
CANADA PENSION PLAN INVESTMENT BOARD1,096,463$70,514
Oakcliff Capital Partners, LP1,030,740$66,287
PRICE T ROWE ASSOCIATES INC /MD/1,029,793$66
Squarepoint Ops LLC1,023,159$65,799
DIMENSIONAL FUND ADVISORS LP1,002,476$64,473
CITIGROUP INC992,685$63,840
Russell Investments Group, Ltd.954,038$61,356
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.932,381$62,684
ENVESTNET ASSET MANAGEMENT INC915,497$58,876
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM875,753$56,320
MILLENNIUM MANAGEMENT LLC868,451$55,850
Sumitomo Mitsui Trust Holdings, Inc.859,896$55,300
LPL Financial LLC778,743$50,081
SOROS FUND MANAGEMENT LLC771,480$49,614
RHUMBLINE ADVISERS771,444$49,611
PANAGORA ASSET MANAGEMENT INC759,968$48,874
RV Capital AG752,478$48,392
National Pension Service699,284$44,971
Allspring Global Investments Holdings, LLC684,230$46,001
JANE STREET GROUP, LLC672,569$43,253
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM660,940$42,505
CITADEL ADVISORS LLC650,534$41,836
BANK OF MONTREAL /CAN/643,510$41,384
STIFEL FINANCIAL CORP642,327$41,311
AustralianSuper Pty Ltd628,824$40,440
VICTORY CAPITAL MANAGEMENT INC620,595$39,910
RENAISSANCE TECHNOLOGIES LLC616,395$39,640
PEAK6 LLC592,739$38,119
FEDERATED HERMES, INC.581,695$37,409
Allianz Asset Management GmbH580,769$37,349
Blue Whale Capital LLP574,064$36,918
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC569,884$41,542
TUDOR INVESTMENT CORP ET AL551,744$35,483
GREAT WEST LIFE ASSURANCE CO /CAN/522,274$34
PRINCIPAL FINANCIAL GROUP INC512,794$32,978
Systrade AG500,000$32,155
Capital Impact Advisors, LLC493,957$31,766
MASSACHUSETTS FINANCIAL SERVICES CO /MA/489,748$31,496
Bridgewater Associates, LP488,940$31,444
ALLIANCEBERNSTEIN L.P.486,821$31,307
Treasurer of the State of North Carolina482,631$31
Compagnie Lombard Odier SCmA481,557$30,969
863 other institutions40,570,041$2,434,682
Total (963 institutions)383,540,187$23,544,843