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, Q4 2025
Institutional positions in Miami International Holdings, Inc. as of Dec 31, 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
- 161
- +46 vs. Q3 2025
- Shares held
- 37.5M
- +12.0M (+47.0%) vs. Q3 2025
- Total value
- $1.66B
- +$630.8M (+61.5%) vs. Q3 2025
- New holders
- 69
- 62 more added
- Sold out
- 23
- 20 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Miami International Holdings, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 3,284,952 | $145.8M | 0.20% | +1000.0% | Added |
| T. Rowe Price Investment Management, Inc. | 3,025,712 | $134.3M | 0.08% | +595,096+24.5% | Added |
| Vanguard Group Inc | 1,928,286 | $85.6M | 0.00% | +545,770+39.5% | Added |
| Horizon Kinetics Asset Management LLC | 1,819,798 | $80.8M | 1.09% | +437,395+31.6% | Added |
| BlackRock, Inc. | 1,753,507 | $77.8M | 0.00% | +1,045,736+147.8% | Added |
| American Century Companies Inc | 1,448,293 | $64.3M | 0.03% | +1,193,011+467.3% | Added |
| Alyeska Investment Group, L.P. | 1,286,086 | $57.1M | 0.16% | +20,350+1.6% | Added |
| Invesco Ltd. | 1,278,966 | $56.8M | 0.01% | +820,246+178.8% | Added |
| North Reef Capital Management LP | 1,265,000 | $56.1M | 2.26% | +539,196+74.3% | Added |
| Allspring Global Investments Holdings, LLC | 932,053 | $40.7M | 0.07% | +478,385+105.4% | Added |
| Adage Capital Partners GP, L.L.C. | 881,329 | $39.1M | 0.06% | +249,677+39.5% | Added |
| JPMorgan Chase & Co | 814,340 | $36.1M | 0.00% | +2,629+0.3% | Added |
| Caldwell Investment Management Ltd. | 738,810 | $33.7M | 20.74% | +75,000+11.3% | Added |
| Lord, Abbett & Co. LLC | 659,669 | $29.3M | 0.09% | +360,486+120.5% | Added |
| Blair William & Co | 654,845 | $29.1M | 0.08% | +291,080+80.0% | Added |
| Jane Street Group, LLC | 638,050 | $28.3M | 0.03% | +148,452+30.3% | Added |
| Citadel Advisors LLC | 619,580 | $27.5M | 0.02% | −355,470−36.5% | Reduced |
| Wellington Management Group LLP | 616,118 | $27.3M | 0.00% | +32,998+5.7% | Added |
| Goldman Sachs Group Inc | 580,665 | $25.8M | 0.00% | +387,474+200.6% | Added |
| State Street Corp | 576,385 | $25.6M | 0.00% | +519,940+921.1% | Added |
| Ghisallo Capital Management LLC | 557,500 | $24.7M | 1.10% | +282,500+102.7% | Added |
| Driehaus Capital Management LLC | 532,391 | $23.6M | 0.16% | +340,778+177.8% | Added |
| Geode Capital Management, LLC | 512,797 | $22.8M | 0.00% | +353,403+221.7% | Added |
| Ameriprise Financial Inc | 447,538 | $19.9M | 0.00% | +241,257+117.0% | Added |
| Franklin Resources Inc | 427,154 | $19.0M | 0.00% | −5,118−1.2% | Reduced |
| Seven Grand Managers, LLC | 400,000 | $17.8M | 1.35% | +100,000+33.3% | Added |
| Victory Capital Management Inc | 392,122 | $17.4M | 0.01% | +89,875+29.7% | Added |
| SEI Investments Co | 340,255 | $15.1M | 0.01% | +239,064+236.3% | Added |
| Intrinsic Edge Capital Management LLC | 322,519 | $14.3M | 2.78% | −25,873−7.4% | Reduced |
| Bank of America Corp | 303,861 | $13.5M | 0.00% | +111,220+57.7% | Added |
| Burkehill Global Management, LP | 290,000 | $12.9M | 0.85% | +140,000+93.3% | Added |
| Jump Financial, LLC | 285,266 | $12.7M | 0.16% | +266,300+1,404.1% | Added |
| Millennium Management LLC | 284,664 | $12.6M | 0.01% | +126,182+79.6% | Added |
| Delta Global Management LP | 279,029 | $12.4M | 0.90% | +228,531+452.6% | Added |
| Norges Bank | 277,200 | $12.3M | 0.00% | +277,200 | New |
| Massachusetts Financial Services Co | 273,908 | $12.2M | 0.00% | −23,806−8.0% | Reduced |
| Woodline Partners LP | 261,111 | $11.6M | 0.04% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 252,125 | $11.2M | 0.89% | +252,125 | New |
| Axiom Investors LLC | 243,174 | $10.8M | 0.09% | +243,174 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 234,244 | $10.4M | 0.02% | +34,244+17.1% | Added |
| Morgan Stanley | 220,879 | $9.80M | 0.00% | −300,098−57.6% | Reduced |
| Tocqueville Asset Management L.P. | 220,775 | $9.80M | 0.14% | −9,925−4.3% | Reduced |
| Federated Hermes, Inc. | 200,000 | $8.88M | 0.01% | −50,000−20.0% | Reduced |
| Renaissance Technologies LLC | 195,099 | $8.66M | 0.01% | +195,099 | New |
| BNP Paribas Arbitrage, SA | 191,020 | $8.48M | 0.01% | +191,020 | New |
| Charles Schwab Investment Management Inc | 187,064 | $8.30M | 0.00% | +98,630+111.5% | Added |
| Royce & Associates LP | 181,466 | $8.05M | 0.08% | +181,466 | New |
| Monashee Investment Management LLC | 175,000 | $7.77M | 4.38% | +25,000+16.7% | Added |
| Lykos Global Management, LP | 175,000 | $7.77M | 5.49% | +175,000 | New |
| Northern Trust Corp | 169,614 | $7.53M | 0.00% | +139,546+464.1% | Added |
| UBS Group AG | 162,884 | $7.23M | 0.00% | +154,917+1,944.5% | Added |
| New York State Common Retirement Fund | 162,191 | $7.20M | 0.01% | +162,191 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 154,560 | $6.86M | 0.09% | +50,300+48.2% | Added |
| Manufacturers Life Insurance Company, The | 146,944 | $6.52M | 0.01% | +103,950+241.8% | Added |
| Two Sigma Investments, LP | 140,331 | $6.23M | 0.01% | +90,320+180.6% | Added |
| Unisphere Establishment | 135,000 | $5.99M | 0.04% | +35,000+35.0% | Added |
| Price T Rowe Associates Inc | 130,486 | $5.79M | 0.00% | −268,296−67.3% | Reduced |
| Polar Capital Holdings Plc | 123,992 | $5.50M | 0.03% | +123,992 | New |
| LMR Partners LLP | 109,795 | $4.87M | 0.05% | 00.0% | Unchanged |
| King Luther Capital Management Corp | 103,819 | $4.61M | 0.02% | +103,819 | New |
| Raymond James Financial Inc | 102,387 | $4.54M | 0.00% | +89,491+693.9% | Added |
| Hudson Bay Capital Management LP | 101,552 | $4.51M | 0.03% | +60,407+146.8% | Added |
| Schonfeld Strategic Advisors LLC | 100,000 | $4.44M | 0.02% | −117,714−54.1% | Reduced |
| Quinn Opportunity Partners LLC | 88,512 | $3.93M | 0.17% | −74,144−45.6% | Reduced |
| TD Asset Management Inc | 80,508 | $3.57M | 0.00% | +17,048+26.9% | Added |
| Coastal Bridge Advisors, LLC | 77,415 | $3.44M | 0.26% | +850+1.1% | Added |
| Russell Investments Group, Ltd. | 76,351 | $3.39M | 0.00% | +76,351 | New |
| Mad River Investors | 75,050 | $3.33M | 1.52% | +450+0.6% | Added |
| Blackstone Group Inc. | 75,000 | $3.33M | 0.01% | +25,000+50.0% | Added |
| Maven Securities LTD | 69,920 | $3.10M | 0.39% | +69,920 | New |
| Capelight Capital Asset Management LP | 63,000 | $2.80M | 2.77% | +63,000 | New |
| Bank of New York Mellon Corp | 60,418 | $2.68M | 0.00% | +53,783+810.6% | Added |
| one8zero8, LLC | 58,415 | $2.59M | 0.57% | +58,415 | New |
| Barclays PLC | 57,104 | $2.53M | 0.00% | +41,202+259.1% | Added |
| Tudor Investment Corp Et Al | 56,006 | $2.49M | 0.01% | +10,473+23.0% | Added |
| Credit Agricole S A | 51,002 | $2.26M | 0.01% | +51,002 | New |
| Harvey Partners, LLC | 50,000 | $2.22M | 0.20% | 00.0% | Unchanged |
| Panoramic Capital, LLC | 46,087 | $2.05M | 1.17% | +46,087 | New |
| State of Wisconsin Investment Board | 42,556 | $1.89M | 0.00% | +42,556 | New |
| Calamos Advisors LLC | 41,364 | $1.84M | 0.01% | +41,364 | New |
| Advisor Group Holdings, Inc. | 40,222 | $1.79M | 0.00% | +7,471+22.8% | Added |
| Covalis Capital LLP | 40,000 | $1.78M | 0.14% | +40,000 | New |
| Nuveen, LLC | 39,115 | $1.74M | 0.00% | +39,115 | New |
| Maltese Capital Management LLC | 38,675 | $1.72M | 0.30% | −121,325−75.8% | Reduced |
| XTX Topco Ltd | 38,390 | $1.70M | 0.04% | +38,390 | New |
| Pekin Hardy Strauss, Inc. | 36,290 | $1.61M | 0.15% | +10,640+41.5% | Added |
| Wells Fargo & Company | 35,590 | $1.58M | 0.00% | +32,076+912.8% | Added |
| Grandeur Peak Global Advisors, LLC | 31,977 | $1.42M | 0.19% | +439+1.4% | Added |
| Quadrature Capital Ltd | 31,915 | $1.42M | 0.01% | +31,915 | New |
| Swiss National Bank | 31,800 | $1.41M | 0.00% | +31,800 | New |
| Element Capital Management LLC | 27,855 | $1.24M | 0.64% | +27,855 | New |
| Rhumbline Advisers | 27,350 | $1.21M | 0.00% | +27,350 | New |
| Bullseye Asset Management LLC | 26,711 | $1.19M | 0.64% | +26,711 | New |
| Hound Partners, LLC | 25,000 | $1.11M | 0.15% | 00.0% | Unchanged |
| Atlas Wealth Partners, LLC | 24,474 | $1.09M | 1.19% | +2,585+11.8% | Added |
| Alliancebernstein L.P. | 23,100 | $1.03M | 0.00% | +23,100 | New |
| VARCOV Co. | 22,389 | $993.6K | 0.39% | +22,389 | New |
| Symmetry Investments LP | 22,000 | $976.4K | 0.18% | +22,000 | New |
| First Trust Advisors LP | 21,671 | $961.8K | 0.00% | +733+3.5% | Added |
| Gsa Capital Partners LLP | 19,739 | $876.0K | 0.08% | +19,739 | New |