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Interactive Brokers Group, Inc.

IBKR
Exchange
Nasdaq
Industry
Security Brokers, Dealers & Flotation Companies
SEC CIK
0001381197

In the last 90 days, Interactive Brokers Group, Inc. insiders filed 2 open-market purchases and 0 sales; 1,119 institutions reported holding it in 13F filings for Q2 2026, worth $33.7B in total; 3 superinvestors hold it, including Viking Global Investors and Lone Pine Capital.

13F holders, Q2 2026

Institutional positions in Interactive Brokers Group, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,119
+130 vs. Q1 2026
Shares held
387.5M
+8.43M (+2.2%) vs. Q1 2026
Total value
$33.7B
+$8.34B (+32.9%) vs. Q1 2026
New holders
197
397 more added
Sold out
67
385 more reduced

12 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IBKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,119 institutions
Q1 2021: 320 institutionsQ2 2021: 319 institutionsQ3 2021: 309 institutionsQ4 2021: 339 institutionsQ1 2022: 347 institutionsQ2 2022: 345 institutionsQ3 2022: 339 institutionsQ4 2022: 402 institutionsQ1 2023: 433 institutionsQ2 2023: 424 institutionsQ3 2023: 436 institutionsQ4 2023: 456 institutionsQ1 2024: 494 institutionsQ2 2024: 548 institutionsQ3 2024: 587 institutionsQ4 2024: 710 institutionsQ1 2025: 746 institutionsQ2 2025: 802 institutionsQ3 2025: 913 institutionsQ4 2025: 980 institutionsQ1 2026: 1,001 institutionsQ2 2026: 1,119 institutions
Value heldQ2 2026: $33.7B
Q1 2021: $5.79BQ2 2021: $5.28BQ3 2021: $5.12BQ4 2021: $6.80BQ1 2022: $5.73BQ2 2022: $4.78BQ3 2022: $5.90BQ4 2022: $6.67BQ1 2023: $7.58BQ2 2023: $7.61BQ3 2023: $8.08BQ4 2023: $7.72BQ1 2024: $10.6BQ2 2024: $11.4BQ3 2024: $12.9BQ4 2024: $16.6BQ1 2025: $15.7BQ2 2025: $20.9BQ3 2025: $26.1BQ4 2025: $24.7BQ1 2026: $25.4BQ2 2026: $33.7B
Institutions holding IBKR and their total value by quarter
QuarterHoldersValue
Q2 20261,119$33.7B
Q1 20261,001$25.4B
Q4 2025980$24.7B
Q3 2025913$26.1B
Q2 2025802$20.9B
Q1 2025746$15.7B
Q4 2024710$16.6B
Q3 2024587$12.9B
Q2 2024548$11.4B
Q1 2024494$10.6B
Q4 2023456$7.72B
Q3 2023436$8.08B
Q2 2023424$7.61B
Q1 2023433$7.58B
Q4 2022402$6.67B
Q3 2022339$5.90B
Q2 2022345$4.78B
Q1 2022347$5.73B
Q4 2021339$6.80B
Q3 2021309$5.12B
Q2 2021319$5.28B
Q1 2021320$5.79B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Interactive Brokers Group, Inc.; share changes are against Q1 2026.

Institutions holding IBKR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
XTX Topco Ltd123,208$10.7M0.14%+72,149+141.3%Added
Mn Services Vermogensbeheer B.V.123,219$10.7M0.08%+24,700+25.1%Added
Munro Partners124,504$10.8M0.25%−94,886−43.2%Reduced
Handelsbanken Fonder AB124,883$10.9M0.03%+6,756+5.7%Added
Premier Fund Managers Ltd124,008$10.9M0.99%−61,325−33.1%Reduced
Donaldson Capital Management, LLC126,088$11.0M0.31%+1,192+1.0%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund126,600$11.0M0.05%−3,900−3.0%Reduced
Czech National Bank126,802$11.0M0.06%+5,509+4.5%Added
Public Sector Pension Investment Board127,155$11.1M0.03%+349+0.3%Added
Nomura Asset Management International Inc.127,579$11.1M0.02%00.0%Unchanged
Susquehanna Fundamental Investments, LLC129,959$11.3M0.21%+69,435+114.7%Added
Lansforsakringar Fondforvaltning AB (publ)132,049$11.5M0.05%−12,258−8.5%Reduced
Rafferty Asset Management, LLC137,609$12.0M0.03%+24,728+21.9%Added
State of New Jersey Common Pension Fund D138,235$12.0M0.04%−13,861−9.1%Reduced
Pilgrim Partners Asia Pte Ltd138,970$12.1M5.31%+2,000+1.5%Added
Wealthfront Advisers LLC144,720$12.6M0.02%+2,377+1.7%Added
Zurich Insurance Group Ltd148,474$12.9M0.09%+148,474New
Nykredit A/S148,930$13.0M0.05%+148,930New
Truist Financial Corp151,397$13.2M0.02%−34,355−18.5%Reduced
Soros Fund Management LLCSuperinvestorSoros Fund Management151,470$13.2M0.17%−493,874−76.5%Reduced
Investment Management Corp of Ontario151,646$13.2M0.17%+1,085+0.7%Added
Bank Julius Baer & Co. Ltd, Zurich153,352$13.4M0.03%+32,732+27.1%Added
Moran Wealth Management, LLC157,379$13.7M0.37%−8,607−5.2%Reduced
PFA Pension, Forsikringsaktieselskab157,736$13.7M0.03%−111,109−41.3%Reduced
Janney Montgomery Scott LLC157,787$13.7M0.03%−41,783−20.9%Reduced
Evelyn Partners Group Ltd159,819$13.9M0.26%+159,819New
Longbow Finance SA160,508$14.0M1.79%+160,508New
Danske Bank A/S162,708$14.2M0.03%−51,000−23.9%Reduced
Ibex Wealth Advisors163,575$14.2M1.12%+3,832+2.4%Added
Cornerstone Advisors, LLC165,520$14.4M0.47%−36,504−18.1%Reduced
CIBC World Markets Inc.166,342$14.5M0.02%+63,236+61.3%Added
KLP Kapitalforvaltning AS172,600$15.0M0.05%+900+0.5%Added
State of Tennessee, Treasury Department176,588$15.4M0.05%+13,284+8.1%Added
Banco Bilbao Vizcaya Argentaria, S.A.177,940$15.5M0.10%+3,528+2.0%Added
Mediolanum International Funds Ltd178,064$15.7M0.13%+15,997+9.9%Added
Harbor Advisors LLC186,832$16.3M2.05%00.0%Unchanged
Woodline Partners LP189,616$16.5M0.05%−165,133−46.5%Reduced
W.G. Shaheen & Associates DBA Whitney & Co193,511$16.8M1.23%+2,134+1.1%Added
Tredje AP-fonden193,956$16.9M0.08%+42,454+28.0%Added
Mitsubishi UFJ Trust & Banking Corp195,153$17.0M0.04%+8,890+4.8%Added
National Bank of Canada195,125$17.0M0.01%+42,399+27.8%Added
Dana Investment Advisors, Inc.195,919$17.1M0.44%−63,365−24.4%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH198,689$17.3M0.03%−139,048−41.2%Reduced
Blue Sparrow, LLC200,000$17.4M0.17%+200,000New
Public Employees Retirement Association of Colorado203,160$17.7M0.06%+160,100+371.8%Added
Public Employees Retirement System of Ohio205,530$17.9M0.05%−22,771−10.0%Reduced
Cozad Asset Management Inc208,718$18.2M1.17%−3,373−1.6%Reduced
AQR Capital Management LLC211,116$18.4M0.01%−31,460−13.0%Reduced
Aware Super Pty Ltd as trustee of Aware Super211,507$18.4M0.26%+59,601+39.2%Added
Allianz Asset Management GmbH212,166$18.5M0.02%−135,422−39.0%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd212,287$18.5M0.13%−69,020−24.5%Reduced
Prudential Financial Inc212,315$18.5M0.02%−3,709−1.7%Reduced
HighTower Advisors, LLC214,526$18.7M0.02%−5,686−2.6%Reduced
Chevy Chase Trust Holdings, Inc.215,433$18.8M0.05%−4,253−1.9%Reduced
Vanguard Investments Australia, Ltd.216,667$18.9M0.05%−6,016−2.7%Reduced
Toronto Dominion Bank217,542$18.9M0.03%−54,682−20.1%Reduced
Mawer Investment Management Ltd.223,262$19.4M0.13%−146,220−39.6%Reduced
Cetera Investment Advisers224,287$19.5M0.02%+14,976+7.2%Added
Commerce Bank224,334$19.5M0.09%+218,435+3,702.9%Added
Manufacturers Life Insurance Company, The225,131$19.6M0.02%−10,720−4.5%Reduced
Crocodile Capital Partners GmbH227,226$19.8M13.45%00.0%Unchanged
Pictet Asset Management Holding SA232,461$20.2M0.02%−21,503−8.5%Reduced
Quantinno Capital Management LP238,494$20.8M0.02%+47,696+25.0%Added
O'Brien Greene & Co. Inc245,047$21.3M5.89%−7,694−3.0%Reduced
Lansing Management LP245,725$21.4M12.95%−44,460−15.3%Reduced
Milford Funds Ltd246,101$21.4M0.35%+6,790+2.8%Added
One Madison Group LLC249,500$21.7M2.09%+30,125+13.7%Added
State of Wisconsin Investment Board254,223$22.1M0.04%−34,350−11.9%Reduced
Brooktree Capital Management261,632$22.8M14.86%−10,620−3.9%Reduced
CI Private Wealth, LLC270,820$23.6M0.03%+152,518+128.9%Added
Asset Management One Co.,Ltd.271,904$23.7M0.06%+32,710+13.7%Added
Balyasny Asset Management LLC274,516$23.9M0.04%+274,516New
Holocene Advisors, LP278,592$24.2M0.06%+259,929+1,392.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)280,561$24.4M0.05%−64,647−18.7%Reduced
New York State Teachers Retirement System284,464$24.8M0.05%−6,005−2.1%Reduced
Keystone Investors Pte Ltd296,158$25.8M1.38%+296,158New
Rovida Investment Management Ltd300,000$26.1M1.78%00.0%Unchanged
Polar Capital Holdings Plc304,343$26.5M0.08%+2,712+0.9%Added
Nomura Asset Management Co Ltd306,081$26.6M0.06%−14,571−4.5%Reduced
Bank of Nova Scotia309,563$26.9M0.04%+34,257+12.4%Added
Susquehanna International Group, LLP312,704$27.2M0.02%+28,711+10.1%Added
Credit Agricole S A313,860$27.3M0.07%+115,867+58.5%Added
Stony Point Capital LLC317,868$27.7M1.81%+10,158+3.3%Added
Winmill & Co. Inc327,200$28.5M6.31%00.0%Unchanged
Fifth Third Bancorp330,843$28.8M0.05%+12,569+3.9%Added
CWM Advisors, LLC334,724$29.1M1.20%+91,122+37.4%Added
GFI Investment Counsel Ltd.339,184$29.5M4.00%+339,184New
Storebrand Asset Management AS339,606$29.6M0.07%−55,740−14.1%Reduced
Aviva PLC353,010$30.7M0.05%−2,856−0.8%Reduced
Gabelli Funds LLC359,146$31.3M0.20%−4,110−1.1%Reduced
Longaeva Partners L.P.363,108$31.6M0.91%+131,612+56.9%Added
Alliancebernstein L.P.481,847$32.3M0.01%+26,877+5.9%Added
Cookson Peirce & Co Inc372,439$32.4M1.07%+3,171+0.9%Added
State Board of Administration of Florida Retirement System373,195$32.5M0.05%−11,130−2.9%Reduced
Massachusetts Financial Services Co380,922$33.2M0.01%+14,856+4.1%Added
Raiffeisen Bank International AG389,970$34.4M0.40%+3,473+0.9%Added
Adage Capital Partners GP, L.L.C.397,000$34.6M0.05%−2,000−0.5%Reduced
SEI Investments Co399,189$34.7M0.03%−165,238−29.3%Reduced
Marshall Wace, LLP414,093$36.0M0.03%−463,673−52.8%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund422,821$36.8M0.66%00.0%Unchanged