Interactive Brokers Group, Inc. (IBKR) — Institutional Holders, Q2 2026 (page 5)

1,122 institutional investment managers reported a IBKR position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $33.7B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 401 to 500. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

IBKR 13F holders ranked 401–500 of 1,122

Institutional investors reporting a position in Interactive Brokers Group, Inc. on SEC Form 13F-HR for Q2 2026, ranked by reported value.
InstitutionValueQoQ
HANSEATIC MANAGEMENT SERVICES#401 · 33,210 sh$2.9M+5.7%
Cerity Partners#402 · 33,162 sh$2.9M-1.7%
NISA INVESTMENT ADVISORS#403 · 33,105 sh$2.9M+7.7%
Element Squared#404 · 32,278 sh$2.8M+1.8%
NOMURA#405 · 32,173 sh$2.8M+176.5%
SCOTIA CAPITAL#406 · 31,960 sh$2.8M-3.6%
Vestcor#407 · 31,806 sh$2.8M0.0%
Catalyst Capital Advisors#408 · 31,500 sh$2.7M0.0%
GARDNER LEWIS ASSET MANAGEMENT L P#409 · 31,384 sh$2.7M-2.8%
FIDUCIARY FAMILY OFFICE#410 · 31,375 sh$2.7M-1.8%
Norinchukin Bank, The#411 · 31,250 sh$2.7M+10.3%
Envestnet Portfolio Solutions#412 · 31,052 sh$2.7M+35.4%
abrdn plc#413 · 30,946 sh$2.7M-11.7%
Inspire Advisors#414 · 30,461 sh$2.7M+4.3%
Vontobel Holding Ltd.#415 · 30,239 sh$2.6M-13.4%
INVESTMENT HOUSE#416 · 29,900 sh$2.6M-5.9%
M&T BANK#417 · 29,882 sh$2.6M-6.0%
Saudi Central Bank#418 · 29,621 sh$2.6M+80.2%
CAPTRUST FINANCIAL ADVISORS#419 · 29,488 sh$2.6M-4.0%
DUMONT & BLAKE INVESTMENT ADVISORS#420 · 29,467 sh$2.6M-6.3%
MUFG Securities EMEA plc#421 · 29,439 sh$2.6M+61.1%
Altshuler Shaham Ltd#422 · 29,318 sh$2.6M+1.3%
Equitable#423 · 29,088 sh$2.5M+93.6%
Gator Capital Management#424 · 29,000 sh$2.5M-57.8%
Vise Technologies#425 · 28,986 sh$2.5M+19.7%
Coronation Fund Managers Ltd.#426 · 28,844 sh$2.5M0.0%
Alyeska Investment Group, L.P.#427 · 28,841 sh$2.5MNew
Sound View Wealth Advisors Group#428 · 28,674 sh$2.5M+0.5%
Spire Wealth Management#429 · 28,641 sh$2.5M-6.0%
MANCHESTER FINANCIAL#430 · 28,659 sh$2.5M-2.2%
MITCHELL & PAHL PRIVATE WEALTH#431 · 28,516 sh$2.5M-0.2%
Dakota Wealth Management#432 · 28,506 sh$2.5MNew
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.#433 · 28,124 sh$2.4M+96.6%
QUADRANT CAPITAL GROUP#434 · 28,012 sh$2.4M-51.1%
Fairfield Financial Advisors, LTD#435 · 27,665 sh$2.4M+165.9%
OMERS ADMINISTRATION#436 · 27,439 sh$2.4M-23.5%
Orion Porfolio Solutions#437 · 27,425 sh$2.4M-61.1%
Kentucky Retirement Systems#438 · 27,072 sh$2.4MNew
Cumberland Partners Ltd#439 · 26,880 sh$2.3MNew
Sowell Financial Services#440 · 26,868 sh$2.3M+4.7%
BI Asset Management Fondsmaeglerselskab A/S#441 · 26,182 sh$2.3M+14.1%
Pacific Capital Partners Ltd#442 · 25,861 sh$2.3M0.0%
Mystic Asset Management#443 · 25,700 sh$2.2M-8.9%
Jain Global#444 · 25,569 sh$2.2M-89.0%
Titan Investment Solutions Ltd#445 · 25,469 sh$2.2M+7.1%
PRAXIS INVESTMENT MANAGEMENT#446 · 25,416 sh$2.2M0.0%
Graham Capital Management, L.P.#447 · 25,371 sh$2.2MNew
Centiva Capital#448 · 25,248 sh$2.2MNew
Fideuram Asset Management (Ireland) dac#449 · 23,293 sh$2.2MNew
Walleye Trading#450 · 24,813 sh$2.2MNew
HARTFORD INVESTMENT MANAGEMENT#451 · 24,487 sh$2.1M-3.8%
LEUCADIA NATIONAL#452 · 24,405 sh$2.1M-51.0%
AIGEN INVESTMENT MANAGEMENT#453 · 24,322 sh$2.1M+232.8%
Kestra Investment Management#454 · 24,280 sh$2.1M+22.2%
Lido Advisors#455 · 24,179 sh$2.1M+36.6%
New Age Alpha Advisors#456 · 24,138 sh$2.1M-2.1%
Concurrent Investment Advisors#457 · 24,085 sh$2.1M-12.9%
Mariner#458 · 23,767 sh$2.1M-54.3%
Maryland State Retirement & Pension System#459 · 23,694 sh$2.1M+10.8%
Advisors Asset Management#460 · 23,691 sh$2.1M+2.2%
GSA CAPITAL PARTNERS LLP#461 · 23,582 sh$2.1M+57.0%
ABN AMRO INVESTMENT SOLUTIONS#462 · 23,440 sh$2.0M+44.9%
Compound Planning#463 · 23,429 sh$2.0M+2.0%
Louisiana State Employees Retirement System#464 · 22,800 sh$2.0M+0.4%
Midwest Professional Planners, LTD.#465 · 22,672 sh$2.0M+14.5%
AG2R LA MONDIALE GESTION D'ACTIFS#466 · 22,492 sh$2.0M+7.6%
RITHOLTZ WEALTH MANAGEMENT#467 · 22,395 sh$1.9M+140.2%
NEW MEXICO EDUCATIONAL RETIREMENT BOARD#468 · 22,200 sh$1.9M+9.4%
SRS Capital Advisors#469 · 22,108 sh$1.9M+1449.3%
Integrated Wealth Concepts#470 · 21,967 sh$1.9M+61.7%
Catalyst Funds Management Pty Ltd#471 · 21,950 sh$1.9M+89.2%
Mainstream Capital Management#472 · 21,923 sh$1.9M+0.5%
Successful Portfolios#473 · 19,939 sh$1.9M-1.3%
FOX RUN MANAGEMENT, L.L.C.#474 · 21,586 sh$1.9M+254.1%
Grantham, Mayo, Van Otterloo#475 · 21,049 sh$1.8MNew
NewEdge Advisors#476 · 21,042 sh$1.8MNew
Quantbot Technologies#477 · 20,978 sh$1.8M+38.9%
Smith Group Asset Management#478 · 20,749 sh$1.8M+12.9%
Highview Capital Management#479 · 20,547 sh$1.8MNew
DJE Kapital AG#480 · 17,737 sh$1.8MNew
Miura Global Management#481 · 20,000 sh$1.7M0.0%
Sphera Management Technology Funds Ltd#482 · 20,000 sh$1.7MNew
MONETTA FINANCIAL SERVICES#483 · 20,000 sh$1.7M0.0%
CHASE INVESTMENT COUNSEL#484 · 20,000 sh$1.7M-33.3%
BURNEY#485 · 19,946 sh$1.7M+25.8%
Fisher Funds Management LTD#486 · 19,810 sh$1.7M0.0%
BRIDGEWAY CAPITAL MANAGEMENT#487 · 19,600 sh$1.7M-27.1%
Arrow Capital Pty Ltd#488 · 19,402 sh$1.7MNew
LOGAN CAPITAL MANAGEMENT#489 · 19,316 sh$1.7MNew
Private Advisor Group#490 · 19,273 sh$1.7M-24.7%
TOWNSQUARE CAPITAL#491 · 19,170 sh$1.7M-0.8%
Pullen Investment Management#492 · 18,788 sh$1.6M-1.8%
THRIVENT FINANCIAL FOR LUTHERANS#493 · 18,750 sh$1.6M-2.3%
Western Financial#494 · 18,625 sh$1.6M-0.3%
Cambridge Investment Research Advisors#495 · 18,400 sh$1.6M+1.5%
Canada Post Registered Pension Plan#496 · 18,370 sh$1.6M+56.1%
Roundview Capital#497 · 18,348 sh$1.6M+60.8%
Cross Staff Investments#498 · 18,311 sh$1.6M0.0%
Dai-ichi Life Insurance Company, Ltd#499 · 18,302 sh$1.6M0.0%
Aviso Financial#500 · 18,293 sh$1.6M-4.3%

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.