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 |
|---|---|---|---|---|---|
| Advisory Services Network, LLC | 18,050 | $801.1K | 0.01% | +18,050 | New |
| Prana Capital Management, LP | 17,188 | $762.8K | 0.03% | +17,188 | New |
| Deutsche Bank AG | 16,243 | $720.9K | 0.00% | +16,243 | New |
| California State Teachers Retirement System | 16,030 | $711.4K | 0.00% | +16,030 | New |
| SALT Holding Corp. | 15,173 | $673.4K | 0.53% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 15,083 | $669.4K | 0.00% | −9,400−38.4% | Reduced |
| Voleon Capital Management LP | 14,526 | $644.7K | 0.01% | +14,526 | New |
| Legal & General Group Plc | 13,941 | $618.7K | 0.00% | +6,441+85.9% | Added |
| MetLife Investment Management | 13,183 | $585.1K | 0.00% | +13,183 | New |
| 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 |
| Moors & Cabot, Inc. | 12,840 | $569.8K | 0.02% | −2,010−13.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,500 | $554.8K | 0.00% | +12,500 | New |
| Citigroup Inc | 11,938 | $529.8K | 0.00% | +11,434+2,268.7% | Added |
| Virginia Retirement Systems Et Al | 11,100 | $492.6K | 0.00% | +11,100 | New |
| ExodusPoint Capital Management, LP | 10,970 | $486.8K | 0.01% | −43,634−79.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 10,927 | $484.9K | 0.00% | +10,927 | New |
| Two Sigma Advisers, LP | 10,402 | $461.6K | 0.00% | +10,402 | New |
| CAPROCK Group, Inc. | 9,977 | $442.8K | 0.01% | −23−0.2% | Reduced |
| Walleye Capital LLC | 9,463 | $420.0K | 0.00% | −7,668−44.8% | Reduced |
| Janus Henderson Group PLC | 8,600 | $381.6K | 0.00% | +8,600 | New |
| Penserra Capital Management LLC | 8,376 | $371.0K | 0.00% | +8,376 | New |
| Round Rock Advisors, LLC | 6,988 | $310.1K | 0.05% | +6,988 | New |
| HighTower Advisors, LLC | 6,172 | $273.9K | 0.00% | +997+19.3% | Added |
| Centiva Capital, LP | 6,036 | $267.9K | 0.02% | −2,342−28.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 5,948 | $264.0K | 0.00% | +5,948 | New |
| Armistice Capital, LLC | 5,947 | $263.9K | 0.01% | +5,947 | New |
| Texas Yale Capital Corp. | 5,000 | $221.9K | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 4,750 | $210.8K | 0.00% | +4,750 | New |
| Arizona State Retirement System | 4,536 | $201.3K | 0.00% | +4,536 | New |
| STRS Ohio | 4,200 | $186.4K | 0.00% | +4,200 | New |
| KLP Kapitalforvaltning AS | 3,400 | $150.9K | 0.00% | +3,400 | New |
| Emerald Mutual Fund Advisers Trust | 2,500 | $111.0K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 2,375 | $105.0K | 0.00% | +2,375 | New |
| Ameritas Investment Partners, Inc. | 1,912 | $84.9K | 0.00% | +1,912 | New |
| Royal Bank of Canada | 1,577 | $69.0K | 0.00% | −198,423−99.2% | Reduced |
| Caitong International Asset Management Co., Ltd | 1,481 | $65.7K | 0.02% | +1,481 | New |
| FMR LLC | 1,475 | $65.5K | 0.00% | +1,400+1,866.7% | Added |
| Comerica Bank | 1,254 | $55.7K | 0.00% | +937+295.6% | Added |
| Amalgamated Bank | 740 | $33.0K | 0.00% | +740 | New |
| Sterling Capital Management LLC | 718 | $31.9K | 0.00% | +718 | New |
| National Bank of Canada | 700 | $31.1K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 594 | $26.4K | 0.00% | +594 | New |
| The PNC Financial Services Group, Inc. | 552 | $24.5K | 0.00% | +552 | New |
| Tower Research Capital LLC (TRC) | 338 | $15.0K | 0.00% | −2,413−87.7% | Reduced |
| Global Retirement Partners, LLC | 279 | $12.4K | 0.00% | +198+244.4% | Added |
| Game Plan Financial Advisors, LLC | 250 | $11.1K | 0.00% | −250−50.0% | Reduced |
| DV Trading LLC | 200 | $8.88K | 0.00% | +200 | New |
| Optiver Holding B.V. | 152,285 | $6.76K | 0.00% | +152,285 | New |
| Smartleaf Asset Management LLC | 117 | $5.34K | 0.00% | +117 | New |
| WPG Advisers, LLC | 118 | $5.24K | 0.00% | +118 | New |
| Bell Investment Advisors, Inc | 71 | $3.15K | 0.00% | +71 | New |
| Bellevue Asset Management, LLC | 40 | $1.77K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 37 | $1.64K | 0.00% | +37 | New |
| Bare Financial Services, Inc | 27 | $1.20K | 0.00% | +27 | New |
| Zions Bancorporation, National Association | 25 | $1.11K | 0.00% | +25 | New |
| Larson Financial Group LLC | 25 | $1.11K | 0.00% | +25 | New |
| Marquette Asset Management, LLC | 18 | $799 | 0.00% | +18 | New |
| Simplex Trading, LLC | 8 | $355 | 0.00% | +8 | New |
| Central Trust Co | 7 | $311 | 0.00% | +7 | New |
| Avion Wealth | 15 | $0 | 0.00% | 00.0% | Unchanged |
| 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 |