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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, Q4 2025

Institutional positions in Interactive Brokers Group, Inc. as of Dec 31, 2025. 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
980
+81 vs. Q3 2025
Shares held
384.3M
+11.0M (+3.0%) vs. Q3 2025
Total value
$24.7B
−$983.8M (−3.8%) vs. Q3 2025
New holders
167
334 more added
Sold out
86
345 more reduced

14 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 980 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 heldQ4 2025: $24.7B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Interactive Brokers Group, Inc.; share changes are against Q3 2025.

Institutions holding IBKR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
EULAV Asset Management64,159$4.13M0.11%−6,175−8.8%Reduced
Martingale Asset Management L P64,451$4.14M0.11%−63,767−49.7%Reduced
Fulcrum Asset Management LLP64,137$4.17M1.16%−1,901−2.9%Reduced
Investment House LLC64,913$4.17M0.20%+3,227+5.2%Added
Vident Advisory, LLC65,158$4.19M0.04%+1,563+2.5%Added
Illumine Investment Management, LLC65,669$4.22M3.08%−1,008−1.5%Reduced
Alberta Investment Management Corp65,700$4.23M0.03%+65,700New
Xponance, Inc.65,755$4.23M0.03%+4,493+7.3%Added
Police & Firemen's Retirement System of New Jersey65,931$4.24M0.04%−3,527−5.1%Reduced
O'Shaughnessy Asset Management, LLC66,329$4.27M0.02%−302−0.5%Reduced
Federation des caisses Desjardins du Quebec69,940$4.50M0.02%−3,624−4.9%Reduced
ION Fund Management Ltd70,000$4.50M0.57%+70,000New
Utah Retirement Systems70,778$4.55M0.04%00.0%Unchanged
Union Bancaire Privee, UBP SA88,690$4.56M0.08%−237,443−72.8%Reduced
Militia Capital Partners, LP71,000$4.57M1.72%+15,000+26.8%Added
Engineers Gate Manager LP71,651$4.61M0.05%+60,124+521.6%Added
Epacria Capital Partners, LLC72,000$4.63M3.67%−4,000−5.3%Reduced
Ambassador Advisors, LLC72,073$4.64M0.68%+3,704+5.4%Added
Cinctive Capital Management LP72,686$4.67M0.27%−75,208−50.9%Reduced
Mirae Asset Global Investments Co., Ltd.73,031$4.70M0.01%−697−0.9%Reduced
Twinbeech Capital LP73,500$4.73M0.34%+73,500New
Sanctuary Advisors, LLC73,888$4.75M0.03%+61+0.1%Added
USS Investment Management Ltd76,029$4.89M0.02%00.0%Unchanged
Advisor Group Holdings, Inc.76,159$4.90M0.01%+513+0.7%Added
Vinva Investment Management Ltd77,271$5.02M0.06%+23,289+43.1%Added
Atria Investments LLC78,415$5.04M0.06%−10,847−12.2%Reduced
Erste Asset Management GmbH76,500$5.06M0.04%+76,500New
British Columbia Investment Management Corp78,861$5.07M0.03%+16,223+25.9%Added
Janus Henderson Group PLC79,492$5.11M0.00%+919+1.2%Added
Investment Management Corp of Ontario80,952$5.21M0.07%−49,034−37.7%Reduced
DnB Asset Management AS83,126$5.35M0.02%+736+0.9%Added
Susquehanna International Group, LLP83,937$5.40M0.01%−163−0.2%Reduced
Edgestream Partners, L.P.84,202$5.42M0.15%−14,084−14.3%Reduced
Skandinaviska Enskilda Banken AB (publ)84,957$5.46M0.02%−817−1.0%Reduced
Comerica Bank85,821$5.52M0.02%−9,507−10.0%Reduced
Franklin Resources Inc86,693$5.58M0.00%+28,054+47.8%Added
Amalgamated Bank87,297$5.61M0.04%+2,625+3.1%Added
IFM Investors Pty Ltd88,607$5.70M0.05%+1,125+1.3%Added
VMS Asset Management Limited88,690$5.70M2.20%+88,690New
CI Private Wealth, LLC88,886$5.72M0.01%+14,378+19.3%Added
New Millennium Group LLC90,105$5.79M2.51%+1,643+1.9%Added
Daiwa Securities Group Inc.90,928$5.85M0.02%+4,114+4.7%Added
Natixis Advisors, L.P.91,572$5.89M0.01%−16,121−15.0%Reduced
Quinn Opportunity Partners LLC92,000$5.92M0.26%+17,000+22.7%Added
PensionDanmark Pensionsforsikringsaktieselskab92,562$5.95M0.05%+92,562New
Forsta Ap-Fonden93,600$6.02M0.04%−1,600−1.7%Reduced
Retirement Systems of Alabama94,743$6.09M0.02%−235−0.2%Reduced
AQR Capital Management LLC95,193$6.12M0.00%+20,051+26.7%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund95,700$6.15M0.05%+18,500+24.0%Added
Resources Investment Advisors, LLC.96,005$6.17M0.06%−3,963−4.0%Reduced
Walleye Capital LLC96,707$6.22M0.04%+2,771+2.9%Added
STRS Ohio97,175$6.25M0.02%−3,913−3.9%Reduced
Mn Services Vermogensbeheer B.V.98,519$6.34M0.04%+14,919+17.8%Added
Baird Financial Group, Inc.98,561$6.34M0.01%−4,639−4.5%Reduced
Firetrail Investments Pty Ltd98,226$6.35M2.08%−151,514−60.7%Reduced
Moore Capital Management, LP100,959$6.49M0.13%+78,049+340.7%Added
TD Waterhouse Canada Inc.101,328$6.52M0.04%+5,683+5.9%Added
Moran Wealth Management, LLC101,993$6.56M0.20%−5,697−5.3%Reduced
Parallax Volatility Advisers, L.P.103,072$6.63M0.21%+3,916+3.9%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys103,594$6.66M0.03%−3,326−3.1%Reduced
Congress Asset Management Co103,595$6.66M0.05%+103,595New
CBOE Vest Financial, LLC104,038$6.69M0.08%+4,309+4.3%Added
CIBC Asset Management Inc104,463$6.72M0.02%+49,048+88.5%Added
MetLife Investment Management107,593$6.92M0.03%−3,687−3.3%Reduced
Bank Julius Baer & Co. Ltd, Zurich109,340$7.08M0.02%+109,340New
Quantinno Capital Management LP110,379$7.10M0.01%+37,570+51.6%Added
Titan Wealth (CI) Ltd111,457$7.17M2.76%+111,457New
Prescott Group Capital Management, L.L.C.111,676$7.18M0.67%00.0%Unchanged
MUFG Securities EMEA plc112,774$7.25M0.08%+104,252+1,223.3%Added
Gotham Asset Management, LLC113,009$7.27M0.03%−1,018−0.9%Reduced
Steward Partners Investment Advisory, LLC116,115$7.47M0.04%+1,378+1.2%Added
Handelsbanken Fonder AB116,374$7.48M0.02%+29,696+34.3%Added
AWH Capital, L.P.116,380$7.48M6.91%00.0%Unchanged
State of Michigan Retirement System116,600$7.50M0.04%−3,800−3.2%Reduced
Fremen Capital Management LP116,653$7.50M6.14%+116,653New
NewEdge Wealth, LLC116,780$7.51M0.08%−4,721−3.9%Reduced
Emmett Investment Management, LP112,140$7.54M5.81%−15,340−12.0%Reduced
Czech National Bank117,435$7.55M0.05%+4,352+3.8%Added
Capital Fund Management S.A.119,712$7.70M0.07%−403,688−77.1%Reduced
Vestmark Advisory Solutions, Inc.120,113$7.72M0.10%−2,300−1.9%Reduced
Munro Partners120,385$7.74M0.22%+41,405+52.4%Added
Commonwealth Equity Services, LLC121,193$7.79M0.01%+7,844+6.9%Added
ProShare Advisors LLC121,340$7.80M0.01%+4,921+4.2%Added
Arizona State Retirement System122,285$7.86M0.04%−5,817−4.5%Reduced
Wealthfront Advisers LLC125,251$8.05M0.02%+294+0.2%Added
CWA Asset Management Group, LLC126,002$8.10M0.29%−4,290−3.3%Reduced
Empowered Funds, LLC128,923$8.29M0.14%−21,864−14.5%Reduced
Resona Asset Management Co.,Ltd.130,513$8.42M0.04%−7,513−5.4%Reduced
Pilgrim Partners Asia Pte Ltd134,970$8.68M4.18%−5,430−3.9%Reduced
Nomura Asset Management International Inc.137,108$8.82M0.01%+137,108New
Lord, Abbett & Co. LLC138,239$8.89M0.03%+1,714+1.3%Added
Picton Mahoney Asset Management138,350$8.90M0.10%−17,110−11.0%Reduced
CIBC World Markets Inc.139,435$8.97M0.02%+80,803+137.8%Added
One Madison Group LLC140,000$9.00M1.04%−30,000−17.6%Reduced
SkyView Investment Advisors, LLC141,999$9.13M1.15%−3,915−2.7%Reduced
Rafferty Asset Management, LLC142,040$9.13M0.03%−9,635−6.4%Reduced
Quantbot Technologies LP145,243$9.34M0.31%+88,754+157.1%Added
Bank of Nova Scotia145,263$9.35M0.01%−274,871−65.4%Reduced
Lansforsakringar Fondforvaltning AB (publ)145,902$9.38M0.05%+9,367+6.9%Added
KLP Kapitalforvaltning AS149,000$9.58M0.04%+200+0.1%Added