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 |
|---|---|---|---|---|---|
| Moors & Cabot, Inc. | 38,512 | $1.50M | 0.06% | +25,672+199.9% | Added |
| Walleye Capital LLC | 38,522 | $1.50M | 0.01% | +29,059+307.1% | Added |
| GWM Advisors LLC | 39,025 | $1.52M | 0.01% | +39,025 | New |
| State of Wisconsin Investment Board | 39,345 | $1.53M | 0.00% | −3,211−7.5% | Reduced |
| LPL Financial LLC | 39,932 | $1.55M | 0.00% | +39,932 | New |
| Entropy Technologies, LP | 40,076 | $1.56M | 0.07% | +40,076 | New |
| Swiss Life Asset Management Ltd | 15,287 | $1.56M | 0.01% | +15,287 | New |
| Squarepoint Ops LLC | 40,222 | $1.57M | 0.00% | +40,222 | New |
| Advisor Group Holdings, Inc. | 44,942 | $1.75M | 0.00% | +4,720+11.7% | Added |
| C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors | 46,948 | $1.83M | 0.10% | +46,948 | New |
| Covalis Capital LLP | 50,000 | $1.95M | 0.12% | +10,000+25.0% | Added |
| Atlas Brown,Inc. | 50,974 | $1.98M | 0.60% | +50,974 | New |
| Credit Agricole S A | 51,002 | $1.98M | 0.01% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 51,430 | $2.00M | 0.00% | +51,430 | New |
| Engineers Gate Manager LP | 51,736 | $2.01M | 0.03% | +51,736 | New |
| G2 Investment Partners Management LLC | 52,600 | $2.05M | 0.50% | +52,600 | New |
| Quantinno Capital Management LP | 55,487 | $2.16M | 0.00% | +55,487 | New |
| one8zero8, LLC | 59,065 | $2.30M | 0.51% | +650+1.1% | Added |
| Wells Fargo & Company | 61,186 | $2.38M | 0.00% | +25,596+71.9% | Added |
| Bullseye Asset Management LLC | 65,928 | $2.57M | 1.49% | +39,217+146.8% | Added |
| Spirepoint Private Client, LLC | 68,883 | $2.68M | 0.25% | +68,883 | New |
| Bank of New York Mellon Corp | 77,990 | $3.04M | 0.00% | +17,572+29.1% | Added |
| Coastal Bridge Advisors, LLC | 78,016 | $3.04M | 0.22% | +601+0.8% | Added |
| Wexford Capital LP | 80,400 | $3.13M | 0.52% | +80,400 | New |
| Mad River Investors | 81,250 | $3.16M | 1.14% | +6,200+8.3% | Added |
| Qube Research & Technologies Ltd | 82,474 | $3.21M | 0.00% | +82,474 | New |
| Voloridge Investment Management, LLC | 85,621 | $3.33M | 0.01% | +85,621 | New |
| MBL Wealth, LLC | 86,960 | $3.38M | 0.26% | +86,960 | New |
| Quantbot Technologies LP | 96,009 | $3.74M | 0.15% | +96,009 | New |
| CAPROCK Group, Inc. | 100,585 | $3.91M | 0.10% | +90,608+908.2% | Added |
| Citigroup Inc | 105,421 | $4.10M | 0.00% | +93,483+783.1% | Added |
| TD Asset Management Inc | 106,040 | $4.13M | 0.00% | +25,532+31.7% | Added |
| King Luther Capital Management Corp | 117,282 | $4.56M | 0.02% | +13,463+13.0% | Added |
| Truist Financial Corp | 117,767 | $4.58M | 0.01% | +117,767 | New |
| Polar Capital Holdings Plc | 118,674 | $4.62M | 0.02% | −5,318−4.3% | Reduced |
| Raymond James Financial Inc | 119,419 | $4.65M | 0.00% | +17,032+16.6% | Added |
| Aquatic Capital Management LLC | 119,528 | $4.65M | 0.13% | +119,528 | New |
| Marshall Wace, LLP | 122,619 | $4.77M | 0.01% | +122,619 | New |
| Prana Capital Management, LP | 123,353 | $4.80M | 0.15% | +106,165+617.7% | Added |
| Portolan Capital Management, LLC | 128,819 | $5.01M | 0.27% | +128,819 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 132,600 | $5.16M | 0.07% | −21,960−14.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 149,904 | $5.83M | 0.00% | +149,904 | New |
| Schonfeld Strategic Advisors LLC | 157,683 | $6.14M | 0.05% | +57,683+57.7% | Added |
| Price T Rowe Associates Inc | 159,186 | $6.20M | 0.00% | +28,700+22.0% | Added |
| Axiom Investors LLC | 163,282 | $6.35M | 0.07% | −79,892−32.9% | Reduced |
| Manufacturers Life Insurance Company, The | 163,981 | $6.38M | 0.01% | +17,037+11.6% | Added |
| New York State Common Retirement Fund | 179,023 | $6.97M | 0.01% | +16,832+10.4% | Added |
| Occudo Quantitative Strategies LP | 151,676 | $7.05M | 0.38% | +151,676 | New |
| Federated Hermes, Inc. | 201,145 | $7.83M | 0.01% | +1,145+0.6% | Added |
| Vanguard Fiduciary Trust Co | 202,588 | $7.88M | 0.00% | +202,588 | New |
| Trexquant Investment LP | 215,549 | $8.39M | 0.06% | +215,549 | New |
| Nuveen, LLC | 231,908 | $9.03M | 0.00% | +192,793+492.9% | Added |
| Northern Trust Corp | 233,968 | $9.11M | 0.00% | +64,354+37.9% | Added |
| Charles Schwab Investment Management Inc | 237,309 | $9.24M | 0.00% | +50,245+26.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 240,000 | $9.34M | 0.02% | +5,756+2.5% | Added |
| Tudor Investment Corp Et Al | 259,765 | $10.1M | 0.05% | +203,759+363.8% | Added |
| Woodline Partners LP | 261,111 | $10.2M | 0.04% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 271,500 | $10.6M | 0.02% | +76,401+39.2% | Added |
| Barclays PLC | 274,247 | $10.7M | 0.00% | +217,143+380.3% | Added |
| Penn Capital Management Co Inc | 273,834 | $10.7M | 0.83% | +21,709+8.6% | Added |
| Intrinsic Edge Capital Management LLC | 276,019 | $10.7M | 1.96% | −46,500−14.4% | Reduced |
| Delta Global Management LP | 287,659 | $11.2M | 0.92% | +8,630+3.1% | Added |
| Burkehill Global Management, LP | 290,000 | $11.3M | 0.56% | 00.0% | Unchanged |
| Royce & Associates LP | 309,276 | $12.0M | 0.12% | +127,810+70.4% | Added |
| Tocqueville Asset Management L.P. | 312,135 | $12.1M | 0.18% | +91,360+41.4% | Added |
| D. E. Shaw & Co., Inc. | 320,762 | $12.5M | 0.01% | +320,762 | New |
| Massachusetts Financial Services Co | 341,309 | $13.3M | 0.00% | +67,401+24.6% | Added |
| Victory Capital Management Inc | 389,570 | $15.2M | 0.01% | −2,552−0.7% | Reduced |
| Driehaus Capital Management LLC | 396,698 | $15.4M | 0.11% | −135,693−25.5% | Reduced |
| UBS Group AG | 423,405 | $16.5M | 0.00% | +260,521+159.9% | Added |
| Goldman Sachs Group Inc | 426,308 | $16.6M | 0.00% | −154,357−26.6% | Reduced |
| Wellington Management Group LLP | 444,851 | $17.3M | 0.00% | −171,267−27.8% | Reduced |
| Clearstead Advisors, LLC | 503,662 | $19.6M | 0.18% | +503,662 | New |
| Ameriprise Financial Inc | 509,452 | $19.8M | 0.00% | +61,914+13.8% | Added |
| Millennium Management LLC | 518,701 | $20.2M | 0.02% | +234,037+82.2% | Added |
| SEI Investments Co | 526,363 | $20.5M | 0.02% | +186,108+54.7% | Added |
| Seven Grand Managers, LLC | 550,000 | $21.4M | 1.43% | +150,000+37.5% | Added |
| Franklin Resources Inc | 568,174 | $22.1M | 0.01% | +141,020+33.0% | Added |
| BNP Paribas Arbitrage, SA | 572,456 | $22.3M | 0.01% | +381,436+199.7% | Added |
| Caldwell Investment Management Ltd. | 663,810 | $24.9M | 9.77% | −75,000−10.2% | Reduced |
| Blair William & Co | 665,781 | $25.9M | 0.07% | +10,936+1.7% | Added |
| State Street Corp | 712,329 | $27.7M | 0.00% | +135,944+23.6% | Added |
| Geode Capital Management, LLC | 779,782 | $30.4M | 0.00% | +266,985+52.1% | Added |
| Lord, Abbett & Co. LLC | 860,687 | $33.5M | 0.11% | +201,018+30.5% | Added |
| Two Sigma Investments, LP | 893,718 | $34.8M | 0.03% | +753,387+536.9% | Added |
| Bank of America Corp | 900,882 | $35.1M | 0.00% | +597,021+196.5% | Added |
| Ghisallo Capital Management LLC | 1,000,000 | $38.9M | 1.07% | +442,500+79.4% | Added |
| North Reef Capital Management LP | 1,014,274 | $39.5M | 1.36% | −250,726−19.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,112,261 | $43.8M | 0.07% | +180,208+19.3% | Added |
| Morgan Stanley | 1,146,956 | $44.6M | 0.00% | +926,077+419.3% | Added |
| JPMorgan Chase & Co | 1,238,006 | $46.4M | 0.00% | +423,666+52.0% | Added |
| American Century Companies Inc | 1,221,485 | $47.5M | 0.02% | −226,808−15.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,246,999 | $48.5M | 0.07% | +365,670+41.5% | Added |
| Vanguard Portfolio Management LLC | 1,374,946 | $53.5M | 0.00% | +1,374,946 | New |
| Vanguard Capital Management LLC | 1,414,979 | $55.1M | 0.00% | +1,414,979 | New |
| Alyeska Investment Group, L.P. | 1,447,454 | $56.3M | 0.16% | +161,368+12.5% | Added |
| Invesco Ltd. | 1,585,003 | $61.7M | 0.01% | +306,037+23.9% | Added |
| Citadel Advisors LLC | 1,607,780 | $62.6M | 0.04% | +988,200+159.5% | Added |
| BlackRock, Inc. | 2,232,680 | $86.9M | 0.00% | +479,173+27.3% | Added |
| Susquehanna International Group, LLP | 3,296,346 | $128.3M | 0.17% | +11,394+0.3% | Added |