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 |
|---|---|---|---|---|---|
| Avion Wealth | 15 | $0 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 7 | $311 | 0.00% | +7 | New |
| Simplex Trading, LLC | 8 | $355 | 0.00% | +8 | New |
| Marquette Asset Management, LLC | 18 | $799 | 0.00% | +18 | New |
| Zions Bancorporation, National Association | 25 | $1.11K | 0.00% | +25 | New |
| Larson Financial Group LLC | 25 | $1.11K | 0.00% | +25 | New |
| Bare Financial Services, Inc | 27 | $1.20K | 0.00% | +27 | New |
| GAMMA Investing LLC | 37 | $1.64K | 0.00% | +37 | New |
| Bellevue Asset Management, LLC | 40 | $1.77K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 71 | $3.15K | 0.00% | +71 | New |
| WPG Advisers, LLC | 118 | $5.24K | 0.00% | +118 | New |
| Smartleaf Asset Management LLC | 117 | $5.34K | 0.00% | +117 | New |
| Optiver Holding B.V. | 152,285 | $6.76K | 0.00% | +152,285 | New |
| DV Trading LLC | 200 | $8.88K | 0.00% | +200 | New |
| Game Plan Financial Advisors, LLC | 250 | $11.1K | 0.00% | −250−50.0% | Reduced |
| Global Retirement Partners, LLC | 279 | $12.4K | 0.00% | +198+244.4% | Added |
| Tower Research Capital LLC (TRC) | 338 | $15.0K | 0.00% | −2,413−87.7% | Reduced |
| The PNC Financial Services Group, Inc. | 552 | $24.5K | 0.00% | +552 | New |
| State of Wyoming | 594 | $26.4K | 0.00% | +594 | New |
| National Bank of Canada | 700 | $31.1K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 718 | $31.9K | 0.00% | +718 | New |
| Amalgamated Bank | 740 | $33.0K | 0.00% | +740 | New |
| Comerica Bank | 1,254 | $55.7K | 0.00% | +937+295.6% | Added |
| FMR LLC | 1,475 | $65.5K | 0.00% | +1,400+1,866.7% | Added |
| Caitong International Asset Management Co., Ltd | 1,481 | $65.7K | 0.02% | +1,481 | New |
| Royal Bank of Canada | 1,577 | $69.0K | 0.00% | −198,423−99.2% | Reduced |
| Ameritas Investment Partners, Inc. | 1,912 | $84.9K | 0.00% | +1,912 | New |
| SG Americas Securities, LLC | 2,375 | $105.0K | 0.00% | +2,375 | New |
| Emerald Mutual Fund Advisers Trust | 2,500 | $111.0K | 0.01% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 3,400 | $150.9K | 0.00% | +3,400 | New |
| STRS Ohio | 4,200 | $186.4K | 0.00% | +4,200 | New |
| Arizona State Retirement System | 4,536 | $201.3K | 0.00% | +4,536 | New |
| Stifel Financial Corp | 4,750 | $210.8K | 0.00% | +4,750 | New |
| Texas Yale Capital Corp. | 5,000 | $221.9K | 0.01% | 00.0% | Unchanged |
| Armistice Capital, LLC | 5,947 | $263.9K | 0.01% | +5,947 | New |
| Police & Firemen's Retirement System of New Jersey | 5,948 | $264.0K | 0.00% | +5,948 | New |
| Centiva Capital, LP | 6,036 | $267.9K | 0.02% | −2,342−28.0% | Reduced |
| HighTower Advisors, LLC | 6,172 | $273.9K | 0.00% | +997+19.3% | Added |
| Round Rock Advisors, LLC | 6,988 | $310.1K | 0.05% | +6,988 | New |
| Penserra Capital Management LLC | 8,376 | $371.0K | 0.00% | +8,376 | New |
| Janus Henderson Group PLC | 8,600 | $381.6K | 0.00% | +8,600 | New |
| Walleye Capital LLC | 9,463 | $420.0K | 0.00% | −7,668−44.8% | Reduced |
| CAPROCK Group, Inc. | 9,977 | $442.8K | 0.01% | −23−0.2% | Reduced |
| Two Sigma Advisers, LP | 10,402 | $461.6K | 0.00% | +10,402 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 10,927 | $484.9K | 0.00% | +10,927 | New |
| ExodusPoint Capital Management, LP | 10,970 | $486.8K | 0.01% | −43,634−79.9% | Reduced |
| Virginia Retirement Systems Et Al | 11,100 | $492.6K | 0.00% | +11,100 | New |
| Citigroup Inc | 11,938 | $529.8K | 0.00% | +11,434+2,268.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,500 | $554.8K | 0.00% | +12,500 | New |
| Moors & Cabot, Inc. | 12,840 | $569.8K | 0.02% | −2,010−13.5% | Reduced |
| Sandia Investment Management LP | 13,000 | $576.9K | 1.44% | +6,400+97.0% | Added |
| UBS Asset Management Americas Inc | 13,000 | $576.9K | 0.00% | +13,000 | New |
| MetLife Investment Management | 13,183 | $585.1K | 0.00% | +13,183 | New |
| Legal & General Group Plc | 13,941 | $618.7K | 0.00% | +6,441+85.9% | Added |
| Voleon Capital Management LP | 14,526 | $644.7K | 0.01% | +14,526 | New |
| Fred Alger Management, LLC | 15,083 | $669.4K | 0.00% | −9,400−38.4% | Reduced |
| SALT Holding Corp. | 15,173 | $673.4K | 0.53% | 00.0% | Unchanged |
| California State Teachers Retirement System | 16,030 | $711.4K | 0.00% | +16,030 | New |
| Deutsche Bank AG | 16,243 | $720.9K | 0.00% | +16,243 | New |
| Prana Capital Management, LP | 17,188 | $762.8K | 0.03% | +17,188 | New |
| Advisory Services Network, LLC | 18,050 | $801.1K | 0.01% | +18,050 | New |
| Gsa Capital Partners LLP | 19,739 | $876.0K | 0.08% | +19,739 | New |
| First Trust Advisors LP | 21,671 | $961.8K | 0.00% | +733+3.5% | Added |
| Symmetry Investments LP | 22,000 | $976.4K | 0.18% | +22,000 | New |
| VARCOV Co. | 22,389 | $993.6K | 0.39% | +22,389 | New |
| Alliancebernstein L.P. | 23,100 | $1.03M | 0.00% | +23,100 | New |
| Atlas Wealth Partners, LLC | 24,474 | $1.09M | 1.19% | +2,585+11.8% | Added |
| Hound Partners, LLC | 25,000 | $1.11M | 0.15% | 00.0% | Unchanged |
| Bullseye Asset Management LLC | 26,711 | $1.19M | 0.64% | +26,711 | New |
| Rhumbline Advisers | 27,350 | $1.21M | 0.00% | +27,350 | New |
| Element Capital Management LLC | 27,855 | $1.24M | 0.64% | +27,855 | New |
| Swiss National Bank | 31,800 | $1.41M | 0.00% | +31,800 | New |
| Quadrature Capital Ltd | 31,915 | $1.42M | 0.01% | +31,915 | New |
| Grandeur Peak Global Advisors, LLC | 31,977 | $1.42M | 0.19% | +439+1.4% | Added |
| Wells Fargo & Company | 35,590 | $1.58M | 0.00% | +32,076+912.8% | Added |
| Pekin Hardy Strauss, Inc. | 36,290 | $1.61M | 0.15% | +10,640+41.5% | Added |
| XTX Topco Ltd | 38,390 | $1.70M | 0.04% | +38,390 | New |
| Maltese Capital Management LLC | 38,675 | $1.72M | 0.30% | −121,325−75.8% | Reduced |
| Nuveen, LLC | 39,115 | $1.74M | 0.00% | +39,115 | New |
| Covalis Capital LLP | 40,000 | $1.78M | 0.14% | +40,000 | New |
| Advisor Group Holdings, Inc. | 40,222 | $1.79M | 0.00% | +7,471+22.8% | Added |
| Calamos Advisors LLC | 41,364 | $1.84M | 0.01% | +41,364 | New |
| State of Wisconsin Investment Board | 42,556 | $1.89M | 0.00% | +42,556 | New |
| Panoramic Capital, LLC | 46,087 | $2.05M | 1.17% | +46,087 | New |
| Harvey Partners, LLC | 50,000 | $2.22M | 0.20% | 00.0% | Unchanged |
| Credit Agricole S A | 51,002 | $2.26M | 0.01% | +51,002 | New |
| Tudor Investment Corp Et Al | 56,006 | $2.49M | 0.01% | +10,473+23.0% | Added |
| Barclays PLC | 57,104 | $2.53M | 0.00% | +41,202+259.1% | Added |
| one8zero8, LLC | 58,415 | $2.59M | 0.57% | +58,415 | New |
| Bank of New York Mellon Corp | 60,418 | $2.68M | 0.00% | +53,783+810.6% | Added |
| Capelight Capital Asset Management LP | 63,000 | $2.80M | 2.77% | +63,000 | New |
| Maven Securities LTD | 69,920 | $3.10M | 0.39% | +69,920 | New |
| Blackstone Group Inc. | 75,000 | $3.33M | 0.01% | +25,000+50.0% | Added |
| Mad River Investors | 75,050 | $3.33M | 1.52% | +450+0.6% | Added |
| Russell Investments Group, Ltd. | 76,351 | $3.39M | 0.00% | +76,351 | New |
| Coastal Bridge Advisors, LLC | 77,415 | $3.44M | 0.26% | +850+1.1% | Added |
| TD Asset Management Inc | 80,508 | $3.57M | 0.00% | +17,048+26.9% | Added |
| Quinn Opportunity Partners LLC | 88,512 | $3.93M | 0.17% | −74,144−45.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 100,000 | $4.44M | 0.02% | −117,714−54.1% | Reduced |
| Hudson Bay Capital Management LP | 101,552 | $4.51M | 0.03% | +60,407+146.8% | Added |