# INTERACTIVE BROKERS GROUP IN COM CL A

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.

## Summary

- Issuer: INTERACTIVE BROKERS GROUP IN
- Class: COM CL A
- CUSIP: 45841N107
- Asset category: EC
- 13F holders: 1,089
- 13F value: $24.9B
- 13F period: 2026-06-30
- N-PORT fund positions: 70
- N-PORT value: $1.3B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 1,089 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | 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](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $699.5M | 10,443,607 |
| [KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/104599) | LOS ANGELES, CA | $671.8M | 10,016,215 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $655.6M | 9,774,792 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | 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](https://search.stillhousedata.com/firm/156384) | LONDON, X0 | $359.4M | 4,129,416 |

## Top fund holders (N-PORT)

_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](https://search.stillhousedata.com/fund/S000009598) | New Economy Fund | $242.6M | 47.02% |
| [Invesco S&P 500 Equal Weight ETF](https://search.stillhousedata.com/fund/S000060812) | Invesco Exchange-Traded Fund Trust | $196.1M | 22.32% |
| [JPMorgan Growth Advantage Fund](https://search.stillhousedata.com/fund/S000004474) | J.P. Morgan Mutual Fund Investment Trust | $123.0M | 60.97% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $58.1M | 3.68% |
| [Tax-Managed Value Portfolio](https://search.stillhousedata.com/fund/S000005253) | 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](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $17.0M | 4.68% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $16.0M | 2.71% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $15.3M | 88.26% |
| [Disciplined Value Fund](https://search.stillhousedata.com/fund/S000005979) | American Century Quantitative Equity Funds, Inc. | $15.0M | 80.16% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $13.9M | 32.62% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $13.7M | 4.52% |
| [Federated Hermes MDT All Cap Core Fund](https://search.stillhousedata.com/fund/S000012967) | Federated Hermes MDT Series | $13.6M | 39.33% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/45841n107.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.