Interactive Brokers IBKR Institutional Ownership

NASDAQ IBKR

$91.37 +1.95 (+2.18%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,105 Institutions

Increased 589 53.3%

Unchanged 140 12.7%

Reduced 376 34.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

87.34%

▲+2.23 pp QoQ

Shares Held by Institutions

391.21Mn

of 447.90Mn outstanding

▲+3.61% QoQ

Shares Outstanding

447.90Mn

56.69Mn held outside 13F filers

Institutional Investors

1,105

filed 13F for Jun 2026

▲+113 vs prior quarter

Net Shares Added (QoQ)

+13.62Mn

accumulated since last quarter

Value of Holdings

$35.75Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Interactive Brokers Group, Inc. (NASDAQ:IBKR) appears in 1,105 institutional 13F filings for the quarter ending June 2026.

These investors held 87.3% of outstanding shares in June 2026, up from 85.1% in March 2026.
They increased total shares held in IBKR by 3.61% quarter over quarter, and investors in Interactive Brokers increased 38.3% from a year ago.
Among the 1,105 funds, 589 bought more Interactive Brokers shares, 376 sold down, and 140 held their ground.
The aggregate institutional position in Interactive Brokers amounted to 391.21Mn shares as of June 2026, up by 13.62Mn shares quarter on quarter, and down 7.03Mn shares year over year.
As of June 30, 2026, BlackRock, Inc. held the largest stake in Interactive Brokers with 33.13Mn shares, accounting for 7.4% of total shares outstanding.
The largest buyers of Interactive Brokers for the quarter ending June 2026 were NORGES BANK (6.33Mn), Ninety One UK Ltd (5.26Mn), Sixth Street Partners Management Company, L.P. (3.84Mn), VIKING GLOBAL INVESTORS LP (3.44Mn), BlackRock, Inc. (1.75Mn).
Leading sellers of Interactive Brokers shares for the quarter ending June 2026 were CANTILLON CAPITAL MANAGEMENT LLC (10.73Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.26Mn), KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (3.65Mn), WELLINGTON MANAGEMENT GROUP LLP (2.39Mn), Egerton Capital (UK) LLP (2.15Mn).
Per Business Quant, the top 10 investors in IBKR for the quarter ending June 2026 include BlackRock, Inc. (33.13Mn), VANGUARD CAPITAL MANAGEMENT LLC (28.35Mn), State Street Corp (19.44Mn), FMR LLC (11.83Mn), GEODE CAPITAL MANAGEMENT, LLC (10.64Mn), Greenwich Wealth Management LLC (9.92Mn), Invesco Ltd. (9.71Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (8.72Mn), TWO SIGMA INVESTMENTS, LP (8.34Mn), WELLINGTON MANAGEMENT GROUP LLP (7.38Mn).

Form 13F Holdings

1,105 Institutional Holders

Report period 30 Jun, 2026

Total shares held 391.21Mn

Of outstanding 87.34%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	33,129,663	7.40%	▲1,754,626	+5.59%	$2.88Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	28,349,920	6.33%	▲169,559	+0.60%	$2.47Bn
3	State Street Corp	0000093751	19,437,767	4.34%	▲345,662	+1.81%	$1.69Bn
4	FMR LLC	0000315066	11,828,151	2.64%	▼673,133	-5.38%	$1.03Bn
5	GEODE CAPITAL MANAGEMENT, LLC	0001214717	10,641,906	2.38%	▲198,299	+1.90%	$925.47Mn
6	Greenwich Wealth Management LLC	0001439805	9,921,755	2.22%	▼2,288	-0.02%	$863.59K
7	Invesco Ltd.	0000914208	9,708,980	2.17%	▲61,812	+0.64%	$845.07Mn
8	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	8,724,292	1.95%	▼6,260,253	-41.78%	$759.36Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	8,340,400	1.86%	▲27,429	+0.33%	$725.95Mn
10	WELLINGTON MANAGEMENT GROUP LLP	0000902219	7,382,141	1.65%	▼2,392,651	-24.48%	$642.54Mn
11	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	0001021223	6,365,531	1.42%	▼3,650,684	-36.45%	$554.06Mn
12	NORGES BANK	0001374170	6,334,173	1.41%	▲6,334,173	0.00%	$551.33Mn
13	Orbis Allan Gray Ltd	0001663865	6,069,270	1.36%	▼48,775	-0.80%	$528.27Mn
14	W1M Asset Management Ltd	0001767559	5,975,636	1.33%	▲59,833	+1.01%	$520.15Mn
15	Bank Of America Corp /De/	0000070858	5,954,055	1.33%	▼276,081	-4.43%	$518.24Mn
16	AMERICAN CENTURY COMPANIES INC	0000748054	5,583,028	1.25%	▼161,380	-2.81%	$485.95Mn
17	Ninety One UK Ltd	0001418329	5,258,689	1.17%	▲5,258,689	0.00%	$457.72Mn
18	Jpmorgan Chase & Co	0000019617	5,187,549	1.16%	▼1,536,103	-22.85%	$457.54Mn
19	Morgan Stanley	0000895421	5,146,242	1.15%	▲380,670	+7.99%	$447.93Mn
20	VIKING GLOBAL INVESTORS LP	0001103804	4,830,748	1.08%	▲3,436,419	+246.46%	$420.47Mn

Showing 1 to 20 of 1,105 holders