There is a long list of 452 institutional holders of IBKR within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of IBKR by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-IBKR table below, the initial column indicates the name of each top institutional holder of IBKR, with a link to that fund's top holdings. The next columns indicate the amount of IBKR stock held by each of the institutional holders of IBKR, followed by the IBKR position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	9,690,056	$803,306	12/31/2023
IBKR	9,690,056	$803,306	12/31/2023
BlackRock Inc.	9,020,185	$747,773	12/31/2023
IBKR	9,020,185	$747,773	12/31/2023
Orbis Allan Gray Ltd	7,768,911	$644,043	12/31/2023
IBKR	7,768,911	$644,043	12/31/2023
Kayne Anderson Rudnick Investment Management LLC	6,307,902	$522,925	12/31/2023
IBKR	6,307,902	$522,925	12/31/2023
Cantillon Capital Management LLC	3,728,869	$309,123	12/31/2023
IBKR	3,728,869	$309,123	12/31/2023
Marshall Wace LLP	3,161,134	$262,058	12/31/2023
IBKR	3,161,134	$262,058	12/31/2023
Greenwich Wealth Management LLC	3,118,176	$258,497	12/31/2023
IBKR	3,118,176	$258,497	12/31/2023
State Street Corp	3,094,951	$256,571	12/31/2023
IBKR	3,094,951	$256,571	12/31/2023
Bares Capital Management Inc.	2,545,588	$211,029	12/31/2023
IBKR	2,545,588	$211,029	12/31/2023
Jarislowsky Fraser Ltd	1,811,804	$150,198	12/31/2023
IBKR	1,811,804	$150,198	12/31/2023
FMR LLC	1,775,469	$147,186	12/31/2023
IBKR	1,775,469	$147,186	12/31/2023
Geode Capital Management LLC	1,669,871	$138,454	12/31/2023
IBKR	1,669,871	$138,454	12/31/2023
JPMorgan Chase & Co.	1,386,029	$114,902	12/31/2023
IBKR	1,386,029	$114,902	12/31/2023
Neuberger Berman Group LLC	1,220,475	$101,194	12/31/2023
IBKR	1,220,475	$101,194	12/31/2023
FIL Ltd	1,211,542	$100,437	12/31/2023
IBKR	1,211,542	$100,437	12/31/2023
Coronation Fund Managers Ltd.	1,196,179	$99,163	12/31/2023
IBKR	1,196,179	$99,163	12/31/2023
Norges Bank	1,175,821	$97,476	12/31/2023
IBKR	1,175,821	$97,476	12/31/2023
Morgan Stanley	979,623	$81,211	12/31/2023
IBKR	979,623	$81,211	12/31/2023
Wells Fargo & Company MN	968,669	$80,303	12/31/2023
IBKR	968,669	$80,303	12/31/2023
Bank of New York Mellon Corp	966,026	$80,084	12/31/2023
IBKR	966,026	$80,084	12/31/2023
Goldman Sachs Group Inc.	951,211	$78,855	12/31/2023
IBKR	951,211	$78,855	12/31/2023
Abrams Bison Investments LLC	912,000	$75,605	12/31/2023
IBKR	912,000	$75,605	12/31/2023
Charles Schwab Investment Management Inc.	840,852	$69,707	12/31/2023
IBKR	840,852	$69,707	12/31/2023
Bronte Capital Management Pty Ltd.	836,194	$69,320	12/31/2023
IBKR	836,194	$69,320	12/31/2023
TimesSquare Capital Management LLC	808,806	$67,050	12/31/2023
IBKR	808,806	$67,050	12/31/2023
Northern Trust Corp	765,247	$63,439	12/31/2023
IBKR	765,247	$63,439	12/31/2023
Bamco Inc. NY	737,534	$61,142	12/31/2023
IBKR	737,534	$61,142	12/31/2023
Jacobs Levy Equity Management Inc.	730,143	$60,529	12/31/2023
IBKR	730,143	$60,529	12/31/2023
Holocene Advisors LP	702,100	$58,204	12/31/2023
IBKR	702,100	$58,204	12/31/2023
Bank of America Corp DE	693,374	$57,481	12/31/2023
IBKR	693,374	$57,481	12/31/2023
1832 Asset Management L.P.	675,002	$55,958	12/31/2023
IBKR	675,002	$55,958	12/31/2023
Pictet Asset Management Holding SA	587,627	$48,714	12/31/2023
IBKR	587,627	$48,714	12/31/2023
Invesco Ltd.	559,048	$46,345	12/31/2023
IBKR	559,048	$46,345	12/31/2023
Raymond James & Associates	414,548	$46,309	03/31/2024
IBKR	414,548	$46,309	03/31/2024
Ancient Art L.P.	550,174	$45,609	12/31/2023
IBKR	550,174	$45,609	12/31/2023
Empower Advisory Group LLC	526,807	$43,672	12/31/2023
IBKR	526,807	$43,672	12/31/2023
Royal Bank of Canada	511,082	$42,368	12/31/2023
IBKR	511,082	$42,368	12/31/2023
Principal Financial Group Inc.	481,049	$39,879	12/31/2023
IBKR	481,049	$39,879	12/31/2023
Citadel Advisors LLC		$34,314	12/31/2023
IBKR	437,320	$36,254	12/31/2023
Put	386,100	$32,008	12/31/2023
Call	362,700	$30,068	12/31/2023
Balyasny Asset Management LLC	404,631	$33,544	12/31/2023
IBKR	404,631	$33,544	12/31/2023
Ensign Peak Advisors Inc	389,204	$32,265	12/31/2023
IBKR	389,204	$32,265	12/31/2023
ANTIPODES PARTNERS Ltd	356,989	$29,594	12/31/2023
IBKR	356,989	$29,594	12/31/2023
Cercano Management LLC	351,758	$29,161	12/31/2023
IBKR	351,758	$29,161	12/31/2023
Millennium Management LLC	340,596	$28,235	12/31/2023
IBKR	340,596	$28,235	12/31/2023
Oakcliff Capital Partners LP	339,647	$28,157	12/31/2023
IBKR	339,647	$28,157	12/31/2023
RV Capital GmbH	309,947	$25,695	12/31/2023
IBKR	309,947	$25,695	12/31/2023
Rhumbline Advisers	302,742	$25,097	12/31/2023
IBKR	302,742	$25,097	12/31/2023
Envestnet Asset Management Inc.	285,838	$23,696	12/31/2023
IBKR	285,838	$23,696	12/31/2023
Dimensional Fund Advisors LP	276,180	$22,896	12/31/2023
IBKR	276,180	$22,896	12/31/2023
Nuveen Asset Management LLC	262,917	$21,796	12/31/2023
IBKR	262,917	$21,796	12/31/2023

See All: Funds Holding IBKR
See Details: Top 10 Hedge Funds Holding IBKR
Also See: IBKR Insider Buying
Also See: IBKR Holdings Changes

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