INTERACTIVE BROKERS GROUP IN COM CL A is a security (CUSIP 45841N107) tracked across SEC portfolio filings. 1,089 institutional managers reported $24.9B on Form 13F as of 2026-06-30; 70 registered fund positions totaling $1.3B via N-PORT as of 2026-05-31.
Showing 15 of 1,089 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $3.4B | 52,254,357 |
| BlackRock, Inc. | New York, NY | $2.1B | 31,375,037 |
| STATE STREET CORP | BOSTON, MA | $1.3B | 19,092,105 |
| FMR LLC | BOSTON, MA | $838.5M | 12,501,284 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $699.5M | 10,443,607 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | LOS ANGELES, CA | $671.8M | 10,016,215 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $655.6M | 9,774,792 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $563.2M | 8,312,971 |
| Ninety One UK Ltd | London, X0 | $457.7M | 5,258,689 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $428.2M | 6,723,652 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $417.9M | 6,230,136 |
| Orbis Allan Gray Ltd | HamiltoN, D0 | $410.3M | 6,118,045 |
| London & Capital Asset Management Ltd | London, X0 | $396.7M | 5,915,803 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $385.3M | 5,744,408 |
| Egerton Capital (UK) LLP | LONDON, X0 | $359.4M | 4,129,416 |
Showing 15 of 70 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | State Street(R) SPDR(R) S&P 500(R) ETF Trust | $348.7M | 5.35% |
| New Economy Fund | New Economy Fund | $242.6M | 47.02% |
| Invesco S&P 500 Equal Weight ETF | Invesco Exchange-Traded Fund Trust | $196.1M | 22.32% |
| JPMorgan Growth Advantage Fund | J.P. Morgan Mutual Fund Investment Trust | $123.0M | 60.97% |
| Fidelity Contrafund | Fidelity Contrafund | $58.1M | 3.68% |
| Tax-Managed Value Portfolio | Tax-Managed Value Portfolio | $25.8M | 219.54% |
| BEXIL INVESTMENT TRUST | Bexil Investment Trust | $20.4M | 677.20% |
| Cornerstone Strategic Investment Fund, Inc. | Cornerstone Strategic Investment Fund, Inc. | $17.6M | 98.06% |
| Large Cap Index Master Portfolio | Master Investment Portfolio | $17.0M | 4.68% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $16.0M | 2.71% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $15.3M | 88.26% |
| Disciplined Value Fund | American Century Quantitative Equity Funds, Inc. | $15.0M | 80.16% |
| T. Rowe Price Diversified Mid-Cap Growth Fund, Inc. | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $13.9M | 32.62% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $13.7M | 4.52% |
| Federated Hermes MDT All Cap Core Fund | Federated Hermes MDT Series | $13.6M | 39.33% |