Caldwell Investment Management Ltd.
Position in MIAX — Miami International Holdings, Inc.
CIK 1904373
TORONTO, A6
Position in MIAX
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$22,296,000
-$3,539,485 QoQ
Shares Held
600,000
-9.6% QoQ
Ownership
0.605%
of shares outstanding
% of Portfolio
14.73%
of 13F equity value
Holder Rank
#29
of 205 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MIAX Over Time
Shares Held
Position Value (USD)
Position in Capital Markets
Financial Services · as of Jun 30, 2026Caldwell Investment Management Ltd. holds $23,505,856 across 2 Capital Markets names. MIAX ranks #1 (94.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MIAX |
Miami International Holdings, Inc.
This page
|
600,000 | $22,296,000 | |
| 2 | IBKR |
Interactive Brokers Group, Inc.
|
13,900 | $1,209,856 |
All Filings in MIAX
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $22,296,000 | 600,000 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $25,835,485 | 663,810 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $32,788,387 | 738,810 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $26,724,990 | 663,810 | Shares | Sole | 2025-10-27 | |
| No filing history on record for this holder in this stock. | ||||||