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 |
|---|---|---|---|---|---|
| Raymond James Financial Inc | 102,387 | $4.54M | 0.00% | +89,491+693.9% | Added |
| King Luther Capital Management Corp | 103,819 | $4.61M | 0.02% | +103,819 | New |
| LMR Partners LLP | 109,795 | $4.87M | 0.05% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 123,992 | $5.50M | 0.03% | +123,992 | New |
| Price T Rowe Associates Inc | 130,486 | $5.79M | 0.00% | −268,296−67.3% | Reduced |
| Unisphere Establishment | 135,000 | $5.99M | 0.04% | +35,000+35.0% | Added |
| Two Sigma Investments, LP | 140,331 | $6.23M | 0.01% | +90,320+180.6% | Added |
| Manufacturers Life Insurance Company, The | 146,944 | $6.52M | 0.01% | +103,950+241.8% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 154,560 | $6.86M | 0.09% | +50,300+48.2% | Added |
| New York State Common Retirement Fund | 162,191 | $7.20M | 0.01% | +162,191 | New |
| UBS Group AG | 162,884 | $7.23M | 0.00% | +154,917+1,944.5% | Added |
| Northern Trust Corp | 169,614 | $7.53M | 0.00% | +139,546+464.1% | Added |
| 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 |
| Royce & Associates LP | 181,466 | $8.05M | 0.08% | +181,466 | New |
| Charles Schwab Investment Management Inc | 187,064 | $8.30M | 0.00% | +98,630+111.5% | Added |
| BNP Paribas Arbitrage, SA | 191,020 | $8.48M | 0.01% | +191,020 | New |
| Renaissance Technologies LLC | 195,099 | $8.66M | 0.01% | +195,099 | New |
| Federated Hermes, Inc. | 200,000 | $8.88M | 0.01% | −50,000−20.0% | Reduced |
| Tocqueville Asset Management L.P. | 220,775 | $9.80M | 0.14% | −9,925−4.3% | Reduced |
| Morgan Stanley | 220,879 | $9.80M | 0.00% | −300,098−57.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 234,244 | $10.4M | 0.02% | +34,244+17.1% | Added |
| Axiom Investors LLC | 243,174 | $10.8M | 0.09% | +243,174 | New |
| Penn Capital Management Co Inc | 252,125 | $11.2M | 0.89% | +252,125 | New |
| Woodline Partners LP | 261,111 | $11.6M | 0.04% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 273,908 | $12.2M | 0.00% | −23,806−8.0% | Reduced |
| Norges Bank | 277,200 | $12.3M | 0.00% | +277,200 | New |
| Delta Global Management LP | 279,029 | $12.4M | 0.90% | +228,531+452.6% | Added |
| Millennium Management LLC | 284,664 | $12.6M | 0.01% | +126,182+79.6% | Added |
| Jump Financial, LLC | 285,266 | $12.7M | 0.16% | +266,300+1,404.1% | Added |
| Burkehill Global Management, LP | 290,000 | $12.9M | 0.85% | +140,000+93.3% | Added |
| Bank of America Corp | 303,861 | $13.5M | 0.00% | +111,220+57.7% | Added |
| Intrinsic Edge Capital Management LLC | 322,519 | $14.3M | 2.78% | −25,873−7.4% | Reduced |
| SEI Investments Co | 340,255 | $15.1M | 0.01% | +239,064+236.3% | Added |
| Victory Capital Management Inc | 392,122 | $17.4M | 0.01% | +89,875+29.7% | Added |
| Seven Grand Managers, LLC | 400,000 | $17.8M | 1.35% | +100,000+33.3% | Added |
| Franklin Resources Inc | 427,154 | $19.0M | 0.00% | −5,118−1.2% | Reduced |
| Ameriprise Financial Inc | 447,538 | $19.9M | 0.00% | +241,257+117.0% | Added |
| Geode Capital Management, LLC | 512,797 | $22.8M | 0.00% | +353,403+221.7% | Added |
| Driehaus Capital Management LLC | 532,391 | $23.6M | 0.16% | +340,778+177.8% | Added |
| Ghisallo Capital Management LLC | 557,500 | $24.7M | 1.10% | +282,500+102.7% | Added |
| State Street Corp | 576,385 | $25.6M | 0.00% | +519,940+921.1% | Added |
| Goldman Sachs Group Inc | 580,665 | $25.8M | 0.00% | +387,474+200.6% | Added |
| Wellington Management Group LLP | 616,118 | $27.3M | 0.00% | +32,998+5.7% | Added |
| Citadel Advisors LLC | 619,580 | $27.5M | 0.02% | −355,470−36.5% | Reduced |
| Jane Street Group, LLC | 638,050 | $28.3M | 0.03% | +148,452+30.3% | Added |
| Blair William & Co | 654,845 | $29.1M | 0.08% | +291,080+80.0% | Added |
| Lord, Abbett & Co. LLC | 659,669 | $29.3M | 0.09% | +360,486+120.5% | Added |
| Caldwell Investment Management Ltd. | 738,810 | $33.7M | 20.74% | +75,000+11.3% | Added |
| JPMorgan Chase & Co | 814,340 | $36.1M | 0.00% | +2,629+0.3% | Added |
| Adage Capital Partners GP, L.L.C. | 881,329 | $39.1M | 0.06% | +249,677+39.5% | Added |
| Allspring Global Investments Holdings, LLC | 932,053 | $40.7M | 0.07% | +478,385+105.4% | Added |
| North Reef Capital Management LP | 1,265,000 | $56.1M | 2.26% | +539,196+74.3% | Added |
| Invesco Ltd. | 1,278,966 | $56.8M | 0.01% | +820,246+178.8% | Added |
| Alyeska Investment Group, L.P. | 1,286,086 | $57.1M | 0.16% | +20,350+1.6% | Added |
| American Century Companies Inc | 1,448,293 | $64.3M | 0.03% | +1,193,011+467.3% | Added |
| BlackRock, Inc. | 1,753,507 | $77.8M | 0.00% | +1,045,736+147.8% | Added |
| Horizon Kinetics Asset Management LLC | 1,819,798 | $80.8M | 1.09% | +437,395+31.6% | Added |
| Vanguard Group Inc | 1,928,286 | $85.6M | 0.00% | +545,770+39.5% | Added |
| T. Rowe Price Investment Management, Inc. | 3,025,712 | $134.3M | 0.08% | +595,096+24.5% | Added |
| Susquehanna International Group, LLP | 3,284,952 | $145.8M | 0.20% | +1000.0% | Added |
| Gillson Capital LP | 0 | $0 | 0.00% | −206,897−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −153,815−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −77,960−100.0% | Sold out |
| Interval Partners, LP | 0 | $0 | 0.00% | −44,357−100.0% | Sold out |
| Caisse de Depot Et Placement du Quebec | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −28,122−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −25,063−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −11,400−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −11,008−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −10,300−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −8,977−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −8,507−100.0% | Sold out |
| Sompo Asset Management Co., Ltd. | 0 | $0 | 0.00% | −8,200−100.0% | Sold out |
| Limestone Investment Advisors LP | 0 | $0 | 0.00% | −6,900−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −5,944−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −732−100.0% | Sold out |
| Uniplan Investment Counsel, Inc. | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Washington Trust Advisors, Inc. | 0 | $0 | 0.00% | −106−100.0% | Sold out |