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
$75.66
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
382,292,089
Total reported value
$24,594,362,129
% of total 13F portfolios
0.03%
Share change
+8,862,389
Value change
+$545,126,700
Number of holders
955
Price from insider filings
$75.66
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% $3,239,406,577 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% $906,513,980 5,277,180 ORBIS INVESTMENT MANAGEMENT LTD 31 Dec 2024

As of 31 Dec 2025, 955 institutional investors reported holding 382,292,089 shares of Interactive Brokers Group, Inc. - Common Stock (IBKR). This represents 86% 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 57% 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% 52,254,357 -1.1% 0.05% $3,360,477,700
BlackRock, Inc. 7.1% 31,679,842 +2.3% 0.03% $2,037,330,638
STATE STREET CORP 4.2% 18,836,521 +1% 0.04% $1,211,376,666
Cantillon Capital Management LLC 2.9% 12,759,904 +0.76% 4.4% $820,589,426
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 2.5% 11,206,753 -7.9% 1.9% $720,706,333
GEODE CAPITAL MANAGEMENT, LLC 2.3% 10,203,434 -1.4% 0.04% $654,259,500
Orbis Allan Gray Ltd 2.1% 9,273,735 -2.8% 2.5% $596,393,898
Greenwich Wealth Management LLC 2.1% 9,185,108 -11% 26% $590,694,000
Invesco Ltd. 1.9% 8,288,379 +44% 0.08% $533,025,652
WELLINGTON MANAGEMENT GROUP LLP 1.9% 8,284,218 -24% 0.09% $532,758,060
JPMORGAN CHASE & CO 1.7% 7,440,816 -18% 0.03% $478,518,925
NORGES BANK 1.6% 7,046,279 0.05% $453,146,202
Egerton Capital (UK) LLP 1.6% 6,939,581 +11% 4.9% $446,284,454
BANK OF AMERICA CORP /DE/ 1.5% 6,668,672 -13% 0.03% $428,862,321
London & Capital Asset Management Ltd 1.3% 5,861,042 +909% 3.9% $377,011,529
AMERICAN CENTURY COMPANIES INC 1.3% 5,762,860 -3.2% 0.19% $370,609,553
1832 Asset Management L.P. 1.1% 5,027,916 +260% 0.41% $323,345,278
JACOBS LEVY EQUITY MANAGEMENT, INC 1.1% 4,813,320 +1.6% 1.2% $309,544,609
FMR LLC 1.1% 4,809,195 -23% 0.02% $309,279,315
BAMCO INC /NY/ 1% 4,643,376 +0.73% 0.81% $298,615,511
NEUBERGER BERMAN GROUP LLC 1% 4,616,728 -4.6% 0.22% $297,250,463
TWO SIGMA ADVISERS, LP 1% 4,597,600 +9.7% 0.57% $295,671,656
MORGAN STANLEY 1% 4,520,646 +11% 0.02% $290,722,941
TWO SIGMA INVESTMENTS, LP 0.79% 3,526,821 -1.4% 0.34% $226,809,859
NORTHERN TRUST CORP 0.79% 3,518,948 -1.2% 0.03% $226,303,546

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 382,292,089 $24,594,362,129 +$545,126,700 $64.31 955
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
2020 Q2 69,353,504 $2,898,850,640 +$30,457,243 $41.77 237
2020 Q1 69,442,047 $2,995,722,845 +$16,641,420 $43.17 218
2019 Q4 69,419,811 $3,235,650,518 +$29,363,159 $46.62 239
2019 Q3 67,525,798 $3,627,801,856 +$35,953,567 $53.78 237
2019 Q2 66,776,002 $3,621,107,789 +$108,557,023 $54.20 237
2019 Q1 66,130,797 $3,431,405,385 +$103,930,107 $51.88 242
2018 Q4 64,143,746 $3,501,250,668 +$53,892,424 $54.65 239
2018 Q3 63,173,539 $3,494,437,670 +$69,098,552 $55.31 264
2018 Q2 61,479,733 $3,959,968,149 -$77,907,335 $64.41 285
2018 Q1 62,396,070 $4,195,920,155 -$79,636,875 $67.24 266
2017 Q4 63,947,896 $3,787,217,188 -$69,213,608 $59.21 250
2017 Q3 65,121,495 $2,933,896,384 +$169,952,718 $45.04 203
2017 Q2 61,875,348 $2,315,593,094 +$118,796,388 $37.42 198
2017 Q1 58,970,932 $2,047,608,646 +$289,109,494 $34.72 214
2016 Q4 56,270,878 $2,054,638,595 -$50,235,215 $36.51 216
2016 Q3 56,772,584 $2,001,698,447 -$19,819,349 $35.27 196
2016 Q2 57,316,998 $2,028,989,279 -$5,648,316 $35.40 209
2016 Q1 57,795,301 $2,272,363,379 +$199,059,997 $39.32 192
2015 Q4 52,511,321 $2,289,134,606 +$21,249,884 $43.60 204
2015 Q3 50,930,667 $2,010,212,090 +$148,943,758 $39.47 197
2015 Q2 47,312,778 $1,966,323,670 +$53,623,339 $41.56 189
2015 Q1 46,179,529 $1,570,325,307 +$56,293,626 $34.02 173
2014 Q4 44,740,385 $1,304,952,773 -$2,321,040 $29.16 150
2014 Q3 43,995,405 $1,097,570,713 +$19,944,122 $24.95 148
2014 Q2 43,203,544 $1,006,160,607 -$17,315,131 $23.29 148
2014 Q1 43,984,755 $953,251,011 +$49,685,717 $21.67 153