Skip to main content

Cornerstone Financial Management LLC

Position in IBKR — Interactive Brokers Group, Inc.

CIK 2110329 PROVIDENCE, RI

Position in IBKR

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$8,704
+$5,083 QoQ
Shares Held
100
+85.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1,015
of 1,105 holders
Holding Since
Dec 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 Jun 30, 2026

Cornerstone Financial Management LLC holds $299,207 across 17 Capital Markets names. IBKR ranks #7 (2.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 IBKR
Interactive Brokers Group, Inc.
This page
100 $8,704

All Filings in IBKR

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,704 100
2026-03-31 $3,621 54
2025-12-31 $2,636 41