Miami International Holdings, Inc.
MIAX- Exchange
- NYSE
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0001438472
In the last 90 days, Miami International Holdings, Inc. insiders filed 0 open-market purchases and 27 sales; 206 institutions reported holding it in 13F filings for Q2 2026, worth $2.68B in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Miami International Holdings, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 115
- +115 vs. Q2 2025
- Shares held
- 25.5M
- +25.5M vs. Q2 2025
- Total value
- $1.03B
- +$1.03B vs. Q2 2025
- New holders
- 115
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MIAX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 206 | $2.68B |
| Q1 2026 | 202 | $1.95B |
| Q4 2025 | 161 | $1.66B |
| Q3 2025 | 115 | $1.03B |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Miami International Holdings, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avion Wealth | 15 | $0 | 0.00% | +15 | New |
| Bellevue Asset Management, LLC | 40 | $1.61K | 0.00% | +40 | New |
| FMR LLC | 75 | $3.02K | 0.00% | +75 | New |
| Global Retirement Partners, LLC | 81 | $3.26K | 0.00% | +81 | New |
| Washington Trust Advisors, Inc. | 106 | $4.27K | 0.00% | +106 | New |
| Uniplan Investment Counsel, Inc. | 119 | $4.79K | 0.00% | +119 | New |
| Comerica Bank | 317 | $12.8K | 0.00% | +317 | New |
| Game Plan Financial Advisors, LLC | 500 | $20.1K | 0.01% | +500 | New |
| Citigroup Inc | 504 | $20.3K | 0.00% | +504 | New |
| National Bank of Canada | 700 | $28.7K | 0.00% | +700 | New |
| Manchester Capital Management LLC | 732 | $29.5K | 0.00% | +732 | New |
| Emerald Mutual Fund Advisers Trust | 2,500 | $100.7K | 0.01% | +2,500 | New |
| Tower Research Capital LLC (TRC) | 2,751 | $110.8K | 0.00% | +2,751 | New |
| Wells Fargo & Company | 3,514 | $141.5K | 0.00% | +3,514 | New |
| Texas Yale Capital Corp. | 5,000 | $201.3K | 0.01% | +5,000 | New |
| HighTower Advisors, LLC | 5,175 | $208.3K | 0.00% | +5,175 | New |
| HRT Financial LP | 5,944 | $239.0K | 0.00% | +5,944 | New |
| Sandia Investment Management LP | 6,600 | $265.7K | 0.79% | +6,600 | New |
| Bank of New York Mellon Corp | 6,635 | $267.1K | 0.00% | +6,635 | New |
| Limestone Investment Advisors LP | 6,900 | $277.8K | 0.12% | +6,900 | New |
| Legal & General Group Plc | 7,500 | $302.2K | 0.00% | +7,500 | New |
| UBS Group AG | 7,967 | $320.8K | 0.00% | +7,967 | New |
| Sompo Asset Management Co., Ltd. | 8,200 | $330.1K | 0.06% | +8,200 | New |
| Centiva Capital, LP | 8,378 | $337.3K | 0.03% | +8,378 | New |
| Quantessence Capital LLC | 8,507 | $342.5K | 0.11% | +8,507 | New |
| Engineers Gate Manager LP | 8,977 | $361.4K | 0.00% | +8,977 | New |
| CAPROCK Group, Inc. | 10,000 | $375.8K | 0.01% | +10,000 | New |
| Squarepoint Ops LLC | 10,300 | $414.7K | 0.00% | +10,300 | New |
| Man Group plc | 11,008 | $443.2K | 0.00% | +11,008 | New |
| Omers Administration Corp | 11,400 | $459.0K | 0.00% | +11,400 | New |
| Readystate Asset Management LP | 12,500 | $503.3K | 0.02% | +12,500 | New |
| Raymond James Financial Inc | 12,896 | $519.2K | 0.00% | +12,896 | New |
| Moors & Cabot, Inc. | 14,850 | $597.9K | 0.03% | +14,850 | New |
| Zimmer Partners, LP | 15,000 | $603.9K | 0.01% | +15,000 | New |
| SALT Holding Corp. | 15,173 | $610.9K | 0.77% | +15,173 | New |
| Barclays PLC | 15,902 | $640.2K | 0.00% | +15,902 | New |
| Walleye Capital LLC | 17,131 | $689.7K | 0.01% | +17,131 | New |
| Jump Financial, LLC | 18,966 | $763.6K | 0.01% | +18,966 | New |
| First Trust Advisors LP | 20,938 | $843.0K | 0.00% | +20,938 | New |
| Atlas Wealth Partners, LLC | 21,889 | $881.3K | 0.90% | +21,889 | New |
| Fred Alger Management, LLC | 24,483 | $985.7K | 0.00% | +24,483 | New |
| Hound Partners, LLC | 25,000 | $1.01M | 0.13% | +25,000 | New |
| Weiss Asset Management LP | 25,000 | $1.01M | 0.01% | +25,000 | New |
| D. E. Shaw & Co., Inc. | 25,063 | $1.01M | 0.00% | +25,063 | New |
| Pekin Hardy Strauss, Inc. | 25,650 | $1.03M | 0.10% | +25,650 | New |
| Davidson Kempner Capital Management LP | 26,000 | $1.05M | 0.01% | +26,000 | New |
| Qube Research & Technologies Ltd | 28,122 | $1.13M | 0.00% | +28,122 | New |
| Caisse de Depot Et Placement du Quebec | 30,000 | $1.21M | 0.00% | +30,000 | New |
| Northern Trust Corp | 30,068 | $1.21M | 0.00% | +30,068 | New |
| Grandeur Peak Global Advisors, LLC | 31,538 | $1.27M | 0.17% | +31,538 | New |
| Advisor Group Holdings, Inc. | 32,751 | $1.32M | 0.00% | +32,751 | New |
| Hudson Bay Capital Management LP | 41,145 | $1.66M | 0.01% | +41,145 | New |
| Manufacturers Life Insurance Company, The | 42,994 | $1.73M | 0.00% | +42,994 | New |
| Interval Partners, LP | 44,357 | $1.79M | 0.04% | +44,357 | New |
| Tudor Investment Corp Et Al | 45,533 | $1.83M | 0.01% | +45,533 | New |
| Blackstone Group Inc. | 50,000 | $2.01M | 0.01% | +50,000 | New |
| Harvey Partners, LLC | 50,000 | $2.01M | 0.18% | +50,000 | New |
| Two Sigma Investments, LP | 50,011 | $2.01M | 0.00% | +50,011 | New |
| Delta Global Management LP | 50,498 | $2.03M | 0.15% | +50,498 | New |
| ExodusPoint Capital Management, LP | 54,604 | $2.20M | 0.03% | +54,604 | New |
| State Street Corp | 56,445 | $2.27M | 0.00% | +56,445 | New |
| TD Asset Management Inc | 63,460 | $2.55M | 0.00% | +63,460 | New |
| Mad River Investors | 74,600 | $3.00M | 1.29% | +74,600 | New |
| Coastal Bridge Advisors, LLC | 76,565 | $3.08M | 0.23% | +76,565 | New |
| Marshall Wace, LLP | 77,960 | $3.14M | 0.00% | +77,960 | New |
| Charles Schwab Investment Management Inc | 88,434 | $3.56M | 0.00% | +88,434 | New |
| Unisphere Establishment | 100,000 | $4.03M | 0.03% | +100,000 | New |
| SEI Investments Co | 101,191 | $4.07M | 0.00% | +101,191 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 104,260 | $4.20M | 0.07% | +104,260 | New |
| LMR Partners LLP | 109,795 | $4.42M | 0.06% | +109,795 | New |
| Freestone Grove Partners LP | 125,000 | $5.03M | 0.04% | +125,000 | New |
| Monashee Investment Management LLC | 150,000 | $6.04M | 3.01% | +150,000 | New |
| Burkehill Global Management, LP | 150,000 | $6.04M | 0.34% | +150,000 | New |
| Jain Global LLC | 153,815 | $6.19M | 0.08% | +153,815 | New |
| Millennium Management LLC | 158,482 | $6.38M | 0.01% | +158,482 | New |
| Geode Capital Management, LLC | 159,394 | $6.42M | 0.00% | +159,394 | New |
| Maltese Capital Management LLC | 160,000 | $6.44M | 0.98% | +160,000 | New |
| Quinn Opportunity Partners LLC | 162,656 | $6.55M | 0.48% | +162,656 | New |
| Driehaus Capital Management LLC | 191,613 | $7.71M | 0.06% | +191,613 | New |
| Bank of America Corp | 192,641 | $7.76M | 0.00% | +192,641 | New |
| Goldman Sachs Group Inc | 193,191 | $7.78M | 0.00% | +193,191 | New |
| Royal Bank of Canada | 200,000 | $8.05M | 0.00% | +200,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 200,000 | $8.05M | 0.01% | +200,000 | New |
| Ameriprise Financial Inc | 206,281 | $8.30M | 0.00% | +206,281 | New |
| Gillson Capital LP | 206,897 | $8.33M | 0.72% | +206,897 | New |
| Schonfeld Strategic Advisors LLC | 217,714 | $8.77M | 0.06% | +217,714 | New |
| Tocqueville Asset Management L.P. | 230,700 | $9.29M | 0.14% | +230,700 | New |
| Federated Hermes, Inc. | 250,000 | $10.1M | 0.02% | +250,000 | New |
| American Century Companies Inc | 255,282 | $10.3M | 0.01% | +255,282 | New |
| Woodline Partners LP | 261,111 | $10.5M | 0.05% | +261,111 | New |
| Ghisallo Capital Management LLC | 275,000 | $11.1M | 0.36% | +275,000 | New |
| Massachusetts Financial Services Co | 297,714 | $12.0M | 0.00% | +297,714 | New |
| Lord, Abbett & Co. LLC | 299,183 | $12.0M | 0.04% | +299,183 | New |
| Seven Grand Managers, LLC | 300,000 | $12.1M | 0.98% | +300,000 | New |
| Victory Capital Management Inc | 302,247 | $12.2M | 0.01% | +302,247 | New |
| Intrinsic Edge Capital Management LLC | 348,392 | $14.0M | 2.13% | +348,392 | New |
| Blair William & Co | 363,765 | $14.6M | 0.04% | +363,765 | New |
| Price T Rowe Associates Inc | 398,782 | $16.1M | 0.00% | +398,782 | New |
| Franklin Resources Inc | 432,272 | $17.4M | 0.00% | +432,272 | New |
| Allspring Global Investments Holdings, LLC | 453,668 | $17.7M | 0.03% | +453,668 | New |