INTERACTIVE BROKERS GROUP, INC.

PublicCIK: 1381197
IBKRNASDAQ
Location

GREENWICH, CT

13F Filings

Institutional Holders

INTERACTIVE BROKERS GROUP, INC.IBKR— Latest position per institution from SEC 13F filings

15

Institutional holders

276.16M

Total shares held

18.19B

Estimated value

13.81M

Avg. position size

1

VANGUARD GROUP INC

CIK 102909

Shares

52.25M

Value

3.36B

Filed

Dec 31, 2025

2

BLACKROCK, INC.

CIK 2012383

Shares

31.38M

Value

2.10B

Filed

Mar 31, 2026

3

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

28.18M

Value

1.89B

Filed

Mar 31, 2026

4

STATE STREET CORP

CIK 93751

Shares

19.09M

Value

1.28B

Filed

Mar 31, 2026

5

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

14.98M

Value

1.01B

Filed

Mar 31, 2026

6

FMR LLC

CIK 315066

Shares

12.50M

Value

838.46M

Filed

Mar 31, 2026

7

CANTILLON CAPITAL MANAGEMENT LLC

CIK 1279936

Shares

11.25M

Value

754.26M

Filed

Mar 31, 2026

8

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

10.44M

Value

699.50M

Filed

Mar 31, 2026

9

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

CIK 1021223

Shares

10.02M

Value

671.79M

Filed

Mar 31, 2026

10

GREENWICH WEALTH MANAGEMENT LLC

CIK 1439805

Shares

9.92M

Value

665.61K

Filed

Mar 31, 2026

11

WELLINGTON MANAGEMENT GROUP LLP

CIK 902219

Shares

9.77M

Value

655.60M

Filed

Mar 31, 2026

12

INVESCO LTD.

CIK 914208

Shares

9.65M

Value

647.04M

Filed

Mar 31, 2026

13

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

9.30M

Value

1.14B

Filed

Jun 30, 2024

14

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

8.40M

Value

563.16M

Filed

Mar 31, 2026

15

JPMORGAN CHASE & CO

CIK 19617

Shares

7.44M

Value

478.52M

Filed

Dec 31, 2025

16

NORGES BANK

CIK 1374170

Shares

7.05M

Value

453.15M

Filed

Dec 31, 2025

17

EGERTON CAPITAL (UK) LLP

CIK 1581811

Shares

6.28M

Value

420.88M

Filed

Mar 31, 2026

18

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

6.23M

Value

417.86M

Filed

Mar 31, 2026

19

ORBIS ALLAN GRAY LTD

CIK 1663865

Shares

6.12M

Value

410.34M

Filed

Mar 31, 2026

20

LONDON & CAPITAL ASSET MANAGEMENT LTD

CIK 1767559

Shares

5.92M

Value

396.65M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.