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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, Q1 2026

Institutional positions in Interactive Brokers Group, Inc. as of Mar 31, 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
1,001
+35 vs. Q4 2025
Shares held
379.4M
+55.1M (+17.0%) vs. Q4 2025
Total value
$25.4B
+$4.56B (+21.8%) vs. Q4 2025
New holders
138
404 more added
Sold out
103
328 more reduced

14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,001 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 heldQ1 2026: $25.4B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Interactive Brokers Group, Inc.; share changes are against Q4 2025.

Institutions holding IBKR in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Vestmark Advisory Solutions, Inc.132,530$8.89M0.10%+12,417+10.3%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund130,500$8.75M0.05%+34,800+36.4%Added
Commonwealth Equity Services, LLC127,601$8.56M0.01%+6,408+5.3%Added
Nomura Asset Management International Inc.127,579$8.56M0.01%−9,529−6.9%Reduced
Natixis127,170$8.53M0.03%−260,239−67.2%Reduced
Public Sector Pension Investment Board126,806$8.50M0.03%−156,629−55.3%Reduced
SkyView Investment Advisors, LLC126,074$8.46M1.14%−15,925−11.2%Reduced
Donaldson Capital Management, LLC124,896$8.38M0.27%+124,896New
CWA Asset Management Group, LLC121,999$8.18M0.28%−4,003−3.2%Reduced
Czech National Bank121,293$8.14M0.05%+3,858+3.3%Added
Arizona State Retirement System121,016$8.12M0.05%−1,269−1.0%Reduced
NewEdge Wealth, LLC119,880$8.04M0.10%+3,100+2.7%Added
Handelsbanken Fonder AB118,127$7.92M0.03%+1,753+1.5%Added
Fremen Capital Management LP117,674$7.89M7.31%+1,021+0.9%Added
CI Private Wealth, LLC118,302$7.87M0.01%+29,416+33.1%Added
AWH Capital, L.P.116,380$7.81M7.09%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich120,620$7.80M0.02%+11,280+10.3%Added
State of Michigan Retirement System116,300$7.80M0.04%−300−0.3%Reduced
Picton Mahoney Asset Management116,270$7.80M0.08%−22,080−16.0%Reduced
Steward Partners Investment Advisory, LLC116,029$7.78M0.04%−86−0.1%Reduced
ProShare Advisors LLC115,605$7.75M0.01%−5,735−4.7%Reduced
Gotham Asset Management, LLC114,822$7.70M0.02%+1,813+1.6%Added
Brevan Howard Capital Management LP113,946$7.64M0.08%+104,628+1,122.9%Added
Rafferty Asset Management, LLC112,881$7.57M0.03%−29,159−20.5%Reduced
Prescott Group Capital Management, L.L.C.111,676$7.49M0.75%00.0%Unchanged
CBOE Vest Financial, LLC111,674$7.49M0.09%+7,636+7.3%Added
Titan Wealth (CI) Ltd109,972$7.38M3.19%−1,485−1.3%Reduced
SEB Asset Management AB109,043$7.31M0.03%+109,043New
Transamerica Financial Advisors, Inc.107,983$7.24M0.62%+106,853+9,456.0%Added
CIBC Asset Management Inc106,002$7.11M0.02%+1,539+1.5%Added
Federation des caisses Desjardins du Quebec105,963$7.11M0.03%+36,023+51.5%Added
MetLife Investment Management104,824$7.03M0.04%−2,769−2.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys103,744$6.96M0.04%+150+0.1%Added
Emmett Investment Management, LP102,190$6.94M5.31%−9,950−8.9%Reduced
Firetrail Investments Pty Ltd103,259$6.93M2.36%+5,033+5.1%Added
CIBC World Markets Inc.103,106$6.92M0.01%−36,329−26.1%Reduced
CIBC Bancorp USA Inc.99,991$6.71M0.01%+99,991New
Mn Services Vermogensbeheer B.V.98,519$6.61M0.04%00.0%Unchanged
Franklin Resources Inc98,437$6.60M0.00%+11,744+13.5%Added
Vident Advisory, LLC95,824$6.43M0.05%+30,666+47.1%Added
Daiwa Securities Group Inc.95,312$6.39M0.02%+4,384+4.8%Added
Retirement Systems of Alabama94,576$6.34M0.02%−167−0.2%Reduced
IFM Investors Pty Ltd94,196$6.32M0.05%+5,589+6.3%Added
Dorsey Wright & Associates93,675$6.28M0.78%+93,675New
Atria Investments LLC92,665$6.22M0.07%+14,250+18.2%Added
Quinn Opportunity Partners LLC92,000$6.17M0.32%00.0%Unchanged
STRS Ohio91,511$6.14M0.02%−5,664−5.8%Reduced
ExodusPoint Capital Management, LP91,501$6.14M0.06%+91,501New
DnB Asset Management AS91,003$6.10M0.02%+7,877+9.5%Added
Militia Capital Management LLC91,000$6.10M1.37%+91,000New
Amalgamated Bank90,334$6.06M0.05%+3,037+3.5%Added
QRG Capital Management, Inc.88,799$5.96M0.06%+62,711+240.4%Added
PensionDanmark Pensionsforsikringsaktieselskab88,517$5.94M0.06%−4,045−4.4%Reduced
Mirae Asset Global Investments Co., Ltd.87,066$5.84M0.02%+14,035+19.2%Added
Janus Henderson Group PLC85,766$5.75M0.00%+6,274+7.9%Added
Resources Investment Advisors, LLC.82,250$5.52M0.05%−13,755−14.3%Reduced
Nordea Investment Management AB81,137$5.26M0.00%+21,553+36.2%Added
USS Investment Management Ltd78,392$5.26M0.02%+2,363+3.1%Added
Erste Asset Management GmbH81,000$5.20M0.05%+4,500+5.9%Added
Davidson Capital Management Inc.76,513$5.13M0.93%+53,548+233.2%Added
O'Shaughnessy Asset Management, LLC76,456$5.13M0.03%+10,127+15.3%Added
Voya Investment Management LLC76,353$5.12M0.01%−89,285−53.9%Reduced
Xponance, Inc.76,037$5.10M0.04%+10,282+15.6%Added
Sanctuary Advisors, LLC74,205$4.98M0.03%+317+0.4%Added
Ambassador Advisors, LLC74,113$4.97M0.75%+2,040+2.8%Added
Creative Planning73,431$4.93M0.00%+19,134+35.2%Added
Bridgewater Associates, LP72,337$4.85M0.02%−416,603−85.2%Reduced
Epacria Capital Partners, LLC72,000$4.83M3.74%00.0%Unchanged
Brinker Capital Investments, LLC70,556$4.73M0.04%+7,386+11.7%Added
Wiley Bros.-Aintree Capital, LLC70,066$4.71M0.02%+6,613+10.4%Added
Boothbay Fund Management, LLC69,876$4.69M0.11%+69,876New
CSM Advisors, LLC69,834$4.68M0.12%+69,834New
Utah Retirement Systems69,621$4.67M0.05%−1,157−1.6%Reduced
Gator Capital Management, LLC68,800$4.61M0.98%+28,000+68.6%Added
Toroso Investments, LLC69,315$4.59M0.01%+11,047+19.0%Added
TCW Group Inc68,240$4.58M0.03%+8,704+14.6%Added
Vinva Investment Management Ltd71,241$4.54M0.06%−6,030−7.8%Reduced
SummitTX Capital, L.P.66,531$4.46M0.14%+60,439+992.1%Added
Police & Firemen's Retirement System of New Jersey66,192$4.44M0.04%+261+0.4%Added
Fulcrum Asset Management LLP69,413$4.42M0.67%+5,276+8.2%Added
Y-Intercept (Hong Kong) Ltd65,834$4.42M0.08%+65,834New
Dutch Asset Corp65,098$4.37M2.93%+11,852+22.3%Added
Stanley-Laman Group, Ltd.64,020$4.29M0.53%+1,393+2.2%Added
NEOS Investment Management LLC63,224$4.24M0.02%+14,709+30.3%Added
S&CO Inc63,080$4.23M0.26%00.0%Unchanged
Rakuten Investment Management, Inc.66,096$4.21M0.01%+7,514+12.8%Added
MML Investors Services, LLC62,039$4.16M0.01%+13,188+27.0%Added
New York Life Investment Management LLC62,023$4.16M0.04%+801+1.3%Added
Point72 Asset Management, L.P.61,692$4.14M0.01%+61,692New
UniSuper Management Pty Ltd61,532$4.13M0.03%+14,066+29.6%Added
British Columbia Investment Management Corp61,390$4.12M0.02%−17,471−22.2%Reduced
Susquehanna Fundamental Investments, LLC60,524$4.06M0.15%+60,524New
Numerai GP LLC60,446$4.05M0.41%+44,954+290.2%Added
Crossmark Global Holdings, Inc.59,340$3.98M0.06%+14,133+31.3%Added
Hedeker Wealth, LLC58,041$3.89M0.82%+29,688+104.7%Added
Nissay Asset Management Corp57,944$3.89M0.02%+554+1.0%Added
Cresset Asset Management, LLC57,932$3.89M0.02%+1,443+2.6%Added
Prime Capital Investment Advisors, LLC57,680$3.87M0.04%−382−0.7%Reduced
EULAV Asset Management57,160$3.83M0.12%−6,999−10.9%Reduced
The PNC Financial Services Group, Inc.57,096$3.83M0.00%+10,798+23.3%Added