Security Snapshot

Interactive Brokers Group, Inc. - Common Stock (IBKR) Institutional Ownership

CUSIP: 45841N107

13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

1,119

Shares (Excl. Options)

387.64MFull value: 387,637,887 · shares · 30 Jun 2026

Price

$87.04

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.04%
Share change
+7,471,755
Value change
+$672,126,648
Number of holders
1,119
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
445,757,274
SEC-reported price per share
$86.47
Insider filing price
$86.47
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • IBKR - Interactive Brokers Group, Inc. - Common Stock is tracked under CUSIP 45841N107.
  • 1119 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 1,001 to 1,119 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $25.4BFull value: $25,399,244,542 · USD · 31 Mar 2026
    to
    $33.75BFull value: $33,751,851,456 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 1119 institutions filings for Q2 2026.

Open SEC evidence

Security key

45841N107

13F reference period

Q2 2026

13F holders

1,119

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
IBKR
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD CAPITAL MANAGEMENT LLC 7.3% $2,182,476,647 32,540,281 Vanguard Capital Management 31 Mar 2026
BlackRock, Inc. 6.2% -33% $1,900,506,052 +$1,189,436,586 27,619,620 +167% BlackRock, Inc. 30 Sep 2025
ORBIS INVESTMENT MANAGEMENT LTD 4.8% $906,513,980 5,277,180 ORBIS INVESTMENT MANAGEMENT LTD 31 Dec 2024
As of 30 Jun 2026, 1,119 institutional investors reported holding
387.64MFull value: 387,637,887 · shares · 30 Jun 2026
shares of Interactive Brokers Group, Inc. - Common Stock (IBKR). This represents 87% of the company’s total
445.76MFull value: 445,757,274 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
51%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 7.4% 33,129,663 +5.6% 0.04% $2,883,605,830
VANGUARD CAPITAL MANAGEMENT LLC 6.4% 28,349,920 +0.6% 0.05% $2,467,577,037
STATE STREET CORP 4.4% 19,437,767 +1.8% 0.05% $1,691,863,240
FMR LLC 2.7% 11,828,151 -5.4% 0.04% $1,029,522,215
GEODE CAPITAL MANAGEMENT, LLC 2.4% 10,641,906 +1.9% 0.05% $925,466,304
Greenwich Wealth Management LLC 2.2% 9,921,755 -0.02% 31% $863,590,000
Invesco Ltd. 2.2% 9,708,980 +0.64% 0.07% $845,069,618
VANGUARD PORTFOLIO MANAGEMENT LLC 2% 8,724,292 -42% 0.03% $759,362,376
TWO SIGMA INVESTMENTS, LP 1.9% 8,340,400 +0.33% 0.55% $725,948,416
WELLINGTON MANAGEMENT GROUP LLP 1.7% 7,382,141 -24% 0.11% $642,541,553
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1.4% 6,365,531 -36% 1.7% $554,055,840
NORGES BANK 1.4% 6,334,173 0.05% $551,326,418
Orbis Allan Gray Ltd 1.4% 6,069,270 -0.8% 1.8% $528,269,261
W1M Asset Management Ltd 1.3% 5,975,636 +1% 4.8% $520,149,240
BANK OF AMERICA CORP /DE/ 1.3% 5,954,055 -4.4% 0.03% $518,240,919
AMERICAN CENTURY COMPANIES INC 1.3% 5,583,028 -2.8% 0.21% $485,946,757
Ninety One UK Ltd 1.2% 5,258,689 1% $457,716,269
JPMORGAN CHASE & CO 1.2% 5,187,549 -23% 0.03% $457,541,859
MORGAN STANLEY 1.2% 5,146,242 +8% 0.02% $447,929,176
VIKING GLOBAL INVESTORS LP 1.1% 4,830,748 +246% 1.2% $420,468,306
BAMCO INC /NY/ 1.1% 4,807,214 +19% 0.63% $418,419,907
NEUBERGER BERMAN GROUP LLC 1% 4,601,941 +23% 0.27% $401,329,838
1832 Asset Management L.P. 0.97% 4,340,899 -2.5% 0.46% $377,831,849
GOLDMAN SACHS GROUP INC 0.93% 4,156,847 +29% 0.04% $361,811,940
Egerton Capital (UK) LLP 0.93% 4,129,416 -34% 3.5% $359,424,369

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 30,141,846 $2,575,343,833 -$185,387,459 $85.42 384
2026 Q2 387,637,887 $33,751,851,456 +$672,126,648 $87.04 1,119
2026 Q1 379,163,535 $25,399,244,542 +$38,851,209 $67.07 1,001
2025 Q4 384,079,537 $24,709,547,931 +$562,395,512 $64.31 975
2025 Q3 379,034,057 $26,091,480,510 +$230,005,424 $68.81 902
2025 Q2 377,684,641 $20,946,619,126 +$15,591,092,833 $55.41 794
2025 Q1 93,617,495 $15,520,224,147 -$25,218,054 $165.59 738
2024 Q4 93,531,681 $16,547,877,926 +$51,161,734 $176.67 703
2024 Q3 92,662,885 $12,915,082,297 -$105,326,680 $139.36 577
2024 Q2 93,419,979 $11,453,344,808 -$124,896,568 $122.60 544
2024 Q1 94,505,276 $10,557,400,296 +$233,974,346 $111.71 486
2023 Q4 92,971,729 $7,708,462,713 -$85,350,851 $82.90 445
2023 Q3 93,347,920 $8,078,864,966 +$104,543,173 $86.56 430
2023 Q2 91,602,443 $7,609,573,083 +$29,089,179 $83.07 416
2023 Q1 91,795,973 $7,578,323,531 -$73,056 $82.56 423
2022 Q4 92,161,057 $6,668,351,292 -$14,015,726 $72.35 394
2022 Q3 92,188,547 $5,892,477,086 +$362,489,312 $63.91 326
2022 Q2 86,696,712 $4,769,719,885 +$4,377,425 $55.01 328
2022 Q1 86,792,908 $5,719,116,795 +$60,983,603 $65.91 326
2021 Q4 85,439,673 $6,786,530,725 +$405,690,349 $79.42 329
2021 Q3 81,939,700 $5,112,239,576 +$116,084,815 $62.34 294
2021 Q2 80,195,225 $5,271,383,793 +$27,616,577 $65.73 308
2021 Q1 79,054,993 $5,773,420,090 +$147,608,040 $73.04 311
2020 Q4 77,353,409 $4,712,081,345 +$606,325,478 $60.92 271
2020 Q3 67,637,007 $3,265,410,791 -$70,142,982 $48.33 255
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