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

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
IBKR on Nasdaq
Shares outstanding
445,477,742
Price per share
$64.31
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
378,912,792
Total reported value
$26,083,243,034
% of total 13F portfolios
0.04%
Share change
+207,124
Value change
+$187,824,814
Number of holders
898
Price from insider filings
$64.31
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Interactive Brokers Group, Inc. - Common Stock (IBKR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 11% $3,186,617,751 50,758,486 The Vanguard Group 29 Aug 2025
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% $900,920,170 5,277,180 ORBIS INVESTMENT MANAGEMENT LTD 31 Dec 2024

As of 30 Sep 2025, 898 institutional investors reported holding 378,912,792 shares of Interactive Brokers Group, Inc. - Common Stock (IBKR). This represents 85% of the company’s total 445,477,742 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Interactive Brokers Group, Inc. - Common Stock (IBKR) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 12% 52,859,085 +26% 0.05% $3,637,233,639
BlackRock, Inc. 7% 30,968,967 -23% 0.04% $2,130,974,642
STATE STREET CORP 4.2% 18,648,758 +23% 0.04% $1,283,221,038
Cantillon Capital Management LLC 2.8% 12,664,026 -1.1% 4.8% $871,411,630
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 2.7% 12,174,526 -2.5% 2% $837,729,181
WELLINGTON MANAGEMENT GROUP LLP 2.4% 10,901,171 +18% 0.13% $750,109,576
Greenwich Wealth Management LLC 2.3% 10,367,276 -4.6% 36% $713,372,000
GEODE CAPITAL MANAGEMENT, LLC 2.3% 10,344,360 +55% 0.05% $712,111,553
Orbis Allan Gray Ltd 2.1% 9,543,872 -2% 2.8% $656,713,832
JPMORGAN CHASE & CO 2% 9,050,456 -11% 0.04% $622,768,310
BANK OF AMERICA CORP /DE/ 1.7% 7,628,167 +0.44% 0.04% $524,894,194
Egerton Capital (UK) LLP 1.4% 6,254,134 -22% 4.5% $430,346,961
FMR LLC 1.4% 6,228,484 -6.7% 0.02% $428,581,982
AMERICAN CENTURY COMPANIES INC 1.3% 5,953,647 +6.3% 0.21% $409,670,475
Invesco Ltd. 1.3% 5,753,607 +5.7% 0.06% $395,905,698
Waverton Investment Management Ltd 1.1% 4,922,936 +11% 4.4% $338,771,841
NEUBERGER BERMAN GROUP LLC 1.1% 4,840,533 -0.72% 0.24% $333,072,313
JACOBS LEVY EQUITY MANAGEMENT, INC 1.1% 4,737,541 -12% 1.3% $325,990,196
BAMCO INC /NY/ 1% 4,609,768 +9.8% 0.84% $317,198,136
TWO SIGMA ADVISERS, LP 0.94% 4,192,800 +24% 0.58% $288,506,568
MORGAN STANLEY 0.91% 4,058,866 -12% 0.02% $279,290,793
ROYAL BANK OF CANADA 0.84% 3,728,111 -11% 0.05% $256,531,000
JARISLOWSKY, FRASER Ltd 0.84% 3,724,608 -12% 1.4% $256,290,276
TWO SIGMA INVESTMENTS, LP 0.8% 3,575,453 +18% 0.38% $246,026,921
NORTHERN TRUST CORP 0.8% 3,560,023 -3.5% 0.03% $244,965,183

Institutional Holders of Interactive Brokers Group, Inc. - Common Stock (IBKR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 4,383,323 $288,812,179 -$22,621,757 $64.31 123
2025 Q3 378,912,792 $26,083,243,034 +$187,824,814 $68.81 898
2025 Q2 377,865,988 $20,948,549,320 +$15,592,315,455 $55.41 796
2025 Q1 93,558,764 $15,510,498,783 -$27,065,278 $165.59 733
2024 Q4 93,454,744 $16,534,053,732 +$275,431,575 $176.67 694
2024 Q3 91,275,117 $12,721,683,112 -$252,246,941 $139.36 578
2024 Q2 93,276,370 $11,435,738,441 +$108,246,386 $122.60 547
2024 Q1 92,444,645 $10,327,207,062 +$9,964,572 $111.71 487
2023 Q4 3,665,978 $303,926,676 +$35,535,465 $82.90 7
2023 Q3 90,685,721 $7,850,466,671 +$90,912,875 $86.56 422
2023 Q2 90,345,385 $7,505,148,468 -$66,906,260 $83.07 410
2023 Q1 91,151,230 $7,525,092,922 -$45,043,772 $82.56 417
2022 Q4 91,855,167 $6,646,219,519 -$14,362,523 $72.35 388
2022 Q3 91,744,861 $5,863,551,814 +$370,917,375 $63.91 318
2022 Q2 86,272,833 $4,736,638,685 -$2,493,759 $55.01 318
2022 Q1 86,417,302 $5,694,360,125 +$52,278,130 $65.91 319
2021 Q4 85,252,067 $6,772,196,617 +$402,971,457 $79.42 321
2021 Q3 81,975,378 $5,116,680,275 +$115,039,315 $62.34 296
2021 Q2 80,246,788 $5,276,882,580 +$28,558,092 $65.73 307
2021 Q1 79,090,882 $5,778,657,403 +$146,981,568 $73.04 310
2020 Q4 77,258,274 $4,706,284,592 +$605,976,374 $60.92 268
2020 Q3 67,282,678 $3,248,255,904 -$73,669,269 $48.33 248
2020 Q2 68,501,311 $2,863,248,303 +$139,032,046 $41.77 232
2020 Q1 69,341,241 $2,991,340,885 +$16,901,511 $43.17 213
2019 Q4 69,251,594 $3,227,722,050 +$29,075,431 $46.62 233
2019 Q3 67,402,578 $3,621,542,526 +$34,495,017 $53.78 231
2019 Q2 66,613,738 $3,612,546,155 +$130,421,815 $54.20 231
2019 Q1 66,078,124 $3,428,673,771 +$102,305,715 $51.88 237
2018 Q4 63,903,903 $3,488,141,625 +$54,635,842 $54.65 236
2018 Q3 63,127,880 $3,491,909,973 +$69,166,215 $55.31 262
2018 Q2 61,434,066 $3,957,023,239 -$66,376,092 $64.41 283
2018 Q1 62,314,833 $4,190,430,645 -$79,503,154 $67.24 264
2017 Q4 63,885,711 $3,783,543,463 -$69,293,161 $59.21 247
2017 Q3 65,068,157 $2,931,488,746 +$169,948,796 $45.04 202
2017 Q2 61,821,859 $2,313,592,186 +$118,432,096 $37.42 199
2017 Q1 58,917,390 $2,045,586,914 +$289,411,207 $34.72 212
2016 Q4 56,220,641 $2,052,799,602 -$49,526,942 $36.51 212
2016 Q3 56,761,848 $2,001,322,447 -$19,760,717 $35.27 193
2016 Q2 57,285,251 $2,027,866,279 +$13,391,948 $35.40 205
2016 Q1 57,169,789 $2,247,768,379 +$202,763,769 $39.32 186
2015 Q4 52,495,699 $2,288,453,606 +$23,757,821 $43.60 202
2015 Q3 50,893,353 $2,008,739,090 +$148,679,865 $39.47 195
2015 Q2 46,803,697 $1,945,166,670 +$45,005,053 $41.56 187
2015 Q1 46,088,897 $1,567,242,307 +$58,086,483 $34.02 170
2014 Q4 44,734,262 $1,304,774,773 -$2,610,101 $29.16 148
2014 Q3 43,995,405 $1,097,570,713 +$19,944,013 $24.95 148
2014 Q2 43,203,544 $1,006,160,607 -$17,086,157 $23.29 148
2014 Q1 43,984,755 $953,251,011 +$54,764,788 $21.67 153