Cornerstone Capital, Inc.
Position in IBKR — Interactive Brokers Group, Inc.
CIK 819535
Palo Alto, CA
Position in IBKR
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$313,344
+$71,892 QoQ
Shares Held
3,600
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#791
of 1,105 holders
Holding Since
Dec 2024
6 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, 2026Cornerstone Capital, Inc. holds $44,913,068 across 3 Capital Markets names. IBKR ranks #3 (0.7% of the industry book) .
All Filings in IBKR
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $313,344 | 3,600 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $241,452 | 3,600 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $231,516 | 3,600 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $247,716 | 3,600 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $260,427 | 4,700 | Shares | Sole | 2025-08-12 | |
| 2024-12-31 | $207,587 | 1,175 | Shares | Sole | 2025-02-13 | |
| No filing history on record for this holder in this stock. | ||||||