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, Q1 2026
Institutional positions in Miami International Holdings, Inc. as of Mar 31, 2026. 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
- 202
- +46 vs. Q4 2025
- Shares held
- 50.2M
- +15.0M (+42.5%) vs. Q4 2025
- Total value
- $1.95B
- +$390.9M (+25.1%) vs. Q4 2025
- New holders
- 80
- 84 more added
- Sold out
- 34
- 26 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Miami International Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 4,145,618 | $161.3M | 0.11% | +1,119,906+37.0% | Added |
| Horizon Kinetics Asset Management LLC | 3,451,549 | $134.3M | 1.46% | +1,631,751+89.7% | Added |
| Susquehanna International Group, LLP | 3,296,346 | $128.3M | 0.17% | +11,394+0.3% | Added |
| BlackRock, Inc. | 2,232,680 | $86.9M | 0.00% | +479,173+27.3% | Added |
| Citadel Advisors LLC | 1,607,780 | $62.6M | 0.04% | +988,200+159.5% | Added |
| Invesco Ltd. | 1,585,003 | $61.7M | 0.01% | +306,037+23.9% | Added |
| Alyeska Investment Group, L.P. | 1,447,454 | $56.3M | 0.16% | +161,368+12.5% | Added |
| Vanguard Capital Management LLC | 1,414,979 | $55.1M | 0.00% | +1,414,979 | New |
| Vanguard Portfolio Management LLC | 1,374,946 | $53.5M | 0.00% | +1,374,946 | New |
| Adage Capital Partners GP, L.L.C. | 1,246,999 | $48.5M | 0.07% | +365,670+41.5% | Added |
| American Century Companies Inc | 1,221,485 | $47.5M | 0.02% | −226,808−15.7% | Reduced |
| JPMorgan Chase & Co | 1,238,006 | $46.4M | 0.00% | +423,666+52.0% | Added |
| Morgan Stanley | 1,146,956 | $44.6M | 0.00% | +926,077+419.3% | Added |
| Allspring Global Investments Holdings, LLC | 1,112,261 | $43.8M | 0.07% | +180,208+19.3% | Added |
| North Reef Capital Management LP | 1,014,274 | $39.5M | 1.36% | −250,726−19.8% | Reduced |
| Ghisallo Capital Management LLC | 1,000,000 | $38.9M | 1.07% | +442,500+79.4% | Added |
| Bank of America Corp | 900,882 | $35.1M | 0.00% | +597,021+196.5% | Added |
| Two Sigma Investments, LP | 893,718 | $34.8M | 0.03% | +753,387+536.9% | Added |
| Lord, Abbett & Co. LLC | 860,687 | $33.5M | 0.11% | +201,018+30.5% | Added |
| Geode Capital Management, LLC | 779,782 | $30.4M | 0.00% | +266,985+52.1% | Added |
| State Street Corp | 712,329 | $27.7M | 0.00% | +135,944+23.6% | Added |
| Blair William & Co | 665,781 | $25.9M | 0.07% | +10,936+1.7% | Added |
| Caldwell Investment Management Ltd. | 663,810 | $24.9M | 9.77% | −75,000−10.2% | Reduced |
| BNP Paribas Arbitrage, SA | 572,456 | $22.3M | 0.01% | +381,436+199.7% | Added |
| Franklin Resources Inc | 568,174 | $22.1M | 0.01% | +141,020+33.0% | Added |
| Seven Grand Managers, LLC | 550,000 | $21.4M | 1.43% | +150,000+37.5% | Added |
| SEI Investments Co | 526,363 | $20.5M | 0.02% | +186,108+54.7% | Added |
| Millennium Management LLC | 518,701 | $20.2M | 0.02% | +234,037+82.2% | Added |
| Ameriprise Financial Inc | 509,452 | $19.8M | 0.00% | +61,914+13.8% | Added |
| Clearstead Advisors, LLC | 503,662 | $19.6M | 0.18% | +503,662 | New |
| Wellington Management Group LLP | 444,851 | $17.3M | 0.00% | −171,267−27.8% | Reduced |
| Goldman Sachs Group Inc | 426,308 | $16.6M | 0.00% | −154,357−26.6% | Reduced |
| UBS Group AG | 423,405 | $16.5M | 0.00% | +260,521+159.9% | Added |
| Driehaus Capital Management LLC | 396,698 | $15.4M | 0.11% | −135,693−25.5% | Reduced |
| Victory Capital Management Inc | 389,570 | $15.2M | 0.01% | −2,552−0.7% | Reduced |
| Massachusetts Financial Services Co | 341,309 | $13.3M | 0.00% | +67,401+24.6% | Added |
| D. E. Shaw & Co., Inc. | 320,762 | $12.5M | 0.01% | +320,762 | New |
| Tocqueville Asset Management L.P. | 312,135 | $12.1M | 0.18% | +91,360+41.4% | Added |
| Royce & Associates LP | 309,276 | $12.0M | 0.12% | +127,810+70.4% | Added |
| Burkehill Global Management, LP | 290,000 | $11.3M | 0.56% | 00.0% | Unchanged |
| Delta Global Management LP | 287,659 | $11.2M | 0.92% | +8,630+3.1% | Added |
| Intrinsic Edge Capital Management LLC | 276,019 | $10.7M | 1.96% | −46,500−14.4% | Reduced |
| Penn Capital Management Co Inc | 273,834 | $10.7M | 0.83% | +21,709+8.6% | Added |
| Barclays PLC | 274,247 | $10.7M | 0.00% | +217,143+380.3% | Added |
| Renaissance Technologies LLC | 271,500 | $10.6M | 0.02% | +76,401+39.2% | Added |
| Woodline Partners LP | 261,111 | $10.2M | 0.04% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 259,765 | $10.1M | 0.05% | +203,759+363.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 240,000 | $9.34M | 0.02% | +5,756+2.5% | Added |
| Charles Schwab Investment Management Inc | 237,309 | $9.24M | 0.00% | +50,245+26.9% | Added |
| Northern Trust Corp | 233,968 | $9.11M | 0.00% | +64,354+37.9% | Added |
| Nuveen, LLC | 231,908 | $9.03M | 0.00% | +192,793+492.9% | Added |
| Trexquant Investment LP | 215,549 | $8.39M | 0.06% | +215,549 | New |
| Vanguard Fiduciary Trust Co | 202,588 | $7.88M | 0.00% | +202,588 | New |
| Federated Hermes, Inc. | 201,145 | $7.83M | 0.01% | +1,145+0.6% | Added |
| Occudo Quantitative Strategies LP | 151,676 | $7.05M | 0.38% | +151,676 | New |
| New York State Common Retirement Fund | 179,023 | $6.97M | 0.01% | +16,832+10.4% | Added |
| Manufacturers Life Insurance Company, The | 163,981 | $6.38M | 0.01% | +17,037+11.6% | Added |
| Axiom Investors LLC | 163,282 | $6.35M | 0.07% | −79,892−32.9% | Reduced |
| Price T Rowe Associates Inc | 159,186 | $6.20M | 0.00% | +28,700+22.0% | Added |
| Schonfeld Strategic Advisors LLC | 157,683 | $6.14M | 0.05% | +57,683+57.7% | Added |
| Arrowstreet Capital, Limited Partnership | 149,904 | $5.83M | 0.00% | +149,904 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 132,600 | $5.16M | 0.07% | −21,960−14.2% | Reduced |
| Portolan Capital Management, LLC | 128,819 | $5.01M | 0.27% | +128,819 | New |
| Prana Capital Management, LP | 123,353 | $4.80M | 0.15% | +106,165+617.7% | Added |
| Marshall Wace, LLP | 122,619 | $4.77M | 0.01% | +122,619 | New |
| Aquatic Capital Management LLC | 119,528 | $4.65M | 0.13% | +119,528 | New |
| Raymond James Financial Inc | 119,419 | $4.65M | 0.00% | +17,032+16.6% | Added |
| Polar Capital Holdings Plc | 118,674 | $4.62M | 0.02% | −5,318−4.3% | Reduced |
| Truist Financial Corp | 117,767 | $4.58M | 0.01% | +117,767 | New |
| King Luther Capital Management Corp | 117,282 | $4.56M | 0.02% | +13,463+13.0% | Added |
| TD Asset Management Inc | 106,040 | $4.13M | 0.00% | +25,532+31.7% | Added |
| Citigroup Inc | 105,421 | $4.10M | 0.00% | +93,483+783.1% | Added |
| CAPROCK Group, Inc. | 100,585 | $3.91M | 0.10% | +90,608+908.2% | Added |
| Quantbot Technologies LP | 96,009 | $3.74M | 0.15% | +96,009 | New |
| MBL Wealth, LLC | 86,960 | $3.38M | 0.26% | +86,960 | New |
| Voloridge Investment Management, LLC | 85,621 | $3.33M | 0.01% | +85,621 | New |
| Qube Research & Technologies Ltd | 82,474 | $3.21M | 0.00% | +82,474 | New |
| Mad River Investors | 81,250 | $3.16M | 1.14% | +6,200+8.3% | Added |
| Wexford Capital LP | 80,400 | $3.13M | 0.52% | +80,400 | New |
| Coastal Bridge Advisors, LLC | 78,016 | $3.04M | 0.22% | +601+0.8% | Added |
| Bank of New York Mellon Corp | 77,990 | $3.04M | 0.00% | +17,572+29.1% | Added |
| Spirepoint Private Client, LLC | 68,883 | $2.68M | 0.25% | +68,883 | New |
| Bullseye Asset Management LLC | 65,928 | $2.57M | 1.49% | +39,217+146.8% | Added |
| Wells Fargo & Company | 61,186 | $2.38M | 0.00% | +25,596+71.9% | Added |
| one8zero8, LLC | 59,065 | $2.30M | 0.51% | +650+1.1% | Added |
| Quantinno Capital Management LP | 55,487 | $2.16M | 0.00% | +55,487 | New |
| G2 Investment Partners Management LLC | 52,600 | $2.05M | 0.50% | +52,600 | New |
| Engineers Gate Manager LP | 51,736 | $2.01M | 0.03% | +51,736 | New |
| CI Private Wealth, LLC | 51,430 | $2.00M | 0.00% | +51,430 | New |
| Credit Agricole S A | 51,002 | $1.98M | 0.01% | 00.0% | Unchanged |
| Atlas Brown,Inc. | 50,974 | $1.98M | 0.60% | +50,974 | New |
| Covalis Capital LLP | 50,000 | $1.95M | 0.12% | +10,000+25.0% | Added |
| C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors | 46,948 | $1.83M | 0.10% | +46,948 | New |
| Advisor Group Holdings, Inc. | 44,942 | $1.75M | 0.00% | +4,720+11.7% | Added |
| Squarepoint Ops LLC | 40,222 | $1.57M | 0.00% | +40,222 | New |
| Swiss Life Asset Management Ltd | 15,287 | $1.56M | 0.01% | +15,287 | New |
| Entropy Technologies, LP | 40,076 | $1.56M | 0.07% | +40,076 | New |
| LPL Financial LLC | 39,932 | $1.55M | 0.00% | +39,932 | New |
| State of Wisconsin Investment Board | 39,345 | $1.53M | 0.00% | −3,211−7.5% | Reduced |
| GWM Advisors LLC | 39,025 | $1.52M | 0.01% | +39,025 | New |