Miami International Holdings, Inc. (MIAX) Institutional Ownership & Insider Trading
205 institutions reported holding Miami International Holdings, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 70 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 3.4B
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 29 Oct, in 5 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters205 institutions held 72.6% of the shares. Across filers that reported both quarters, shares held changed +43.0%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 205 | 72 | +43.0% | 91 | 43 | 44 | 39 |
| Mar 26 | 199 | 50 | +34.0% | 78 | 70 | 22 | 31 |
| Dec 25 | 161 | 38 | +42.3% | 59 | 63 | 20 | 22 |
| Sep 25 | 115 | 26 | — | — | — | — | — |
Miami International Holdings, Inc. — questions
- Who owns Miami International Holdings, Inc. stock?
- 205 institutions reported Miami International Holdings, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: HORIZON KINETICS ASSET MANAGEMENT LLC (7.9%), BlackRock, Inc. (5.1%), T. Rowe Price Investment Management, Inc. (5.1%).
- Are Miami International Holdings, Inc. insiders buying or selling?
- 70 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Miami International Holdings, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.