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BAMCO INC /NY/

Position in IBKR — Interactive Brokers Group, Inc.

CIK 1017918 NEW YORK, NY

Position in IBKR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$418,419,906
+$146,962,398 QoQ
Shares Held
4,807,214
+18.8% QoQ
Ownership
1.06%
of shares outstanding
% of Portfolio
0.63%
of 13F equity value
Holder Rank
#21
of 1,105 holders
Holding Since
Mar 2023
14 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in IBKR Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

BAMCO INC /NY/ holds $1,885,962,243 across 12 Capital Markets names. IBKR ranks #2 (22.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IBKR
Interactive Brokers Group, Inc.
This page
4,807,214 $418,419,906

All Filings in IBKR

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14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $418,419,906 4,807,214
2026-03-31 $271,457,508 4,047,376
2025-12-31 $298,615,510 4,643,376
2025-09-30 $317,198,136 4,609,768
2025-06-30 $232,634,673 4,198,424
2025-03-31 $151,343,795 913,967
2024-12-31 $161,470,549 913,967
2024-09-30 $127,181,050 912,608
2024-06-30 $96,237,076 784,968
2024-03-31 $85,454,575 764,968
2023-12-31 $61,141,568 737,534
2023-09-30 $48,111,606 555,818
2023-06-30 $34,616,681 416,717
2023-03-31 $17,089,920 207,000