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BAMCO INC /NY/

Position in IBKR — Interactive Brokers Group, Inc.

CIK 1017918 NEW YORK, NY

Position in IBKR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$271,457,508
-$27,158,002 QoQ
Shares Held
4,047,376
-12.8% QoQ
Ownership
0.909%
of shares outstanding
% of Portfolio
0.83%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in IBKR Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Mar 31, 2026

BAMCO INC /NY/ holds $1,331,348,973 across 11 Capital Markets names. IBKR ranks #2 (20.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IBKR
Interactive Brokers Group, Inc.
This page
4,047,376 $271,457,508

All Filings in IBKR

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13 filing rows on record
Report Date Value (USD) Shares
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 $37,835,948 913,967
2024-12-31 $40,367,637 913,967
2024-09-30 $31,795,262 912,608
2024-06-30 $24,059,269 784,968
2024-03-31 $21,363,643 764,968
2023-12-31 $15,285,392 737,534
2023-09-30 $12,027,901 555,818
2023-06-30 $8,654,170 416,717
2023-03-31 $4,272,480 207,000