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SummitTX Capital, L.P.

Position in IBKR — Interactive Brokers Group, Inc.

CIK 2052310 FORT WORTH, TX

Position in IBKR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$4,462,234
+$4,070,458 QoQ
Shares Held
66,531
+992.1% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IBKR Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Mar 31, 2026

SummitTX Capital, L.P. holds $33,368,607 across 13 Capital Markets names. IBKR ranks #4 (13.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IBKR
Interactive Brokers Group, Inc.
This page
66,531 $4,462,234

All Filings in IBKR

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,462,234 66,531
2025-12-31 $391,776 6,092
2025-06-30 $1,301,303 23,485