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 $2.69B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Miami International Holdings, Inc. as of Jun 30, 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
- 206
- +7 vs. Q1 2026
- Shares held
- 72.4M
- +22.2M (+44.2%) vs. Q1 2026
- Total value
- $2.69B
- +$743.4M (+38.1%) vs. Q1 2026
- New holders
- 48
- 93 more added
- Sold out
- 41
- 46 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $2.69B |
| Q1 2026 | 202 | $1.95B |
| Q4 2025 | 161 | $1.68B |
| Q3 2025 | 115 | $1.06B |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Miami International Holdings, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Horizon Kinetics Asset Management LLC | 7,842,173 | $291.4M | 3.30% | +4,390,624+127.2% | Added |
| BlackRock, Inc. | 5,071,754 | $188.5M | 0.00% | +2,839,074+127.2% | Added |
| T. Rowe Price Investment Management, Inc. | 5,032,970 | $187.0M | 0.12% | +887,352+21.4% | Added |
| Vanguard Portfolio Management LLC | 3,786,418 | $140.7M | 0.01% | +2,411,472+175.4% | Added |
| Susquehanna International Group, LLP | 3,355,043 | $124.7M | 0.11% | +58,697+1.8% | Added |
| Vanguard Capital Management LLC | 3,165,686 | $117.6M | 0.00% | +1,750,707+123.7% | Added |
| Invesco Ltd. | 2,020,650 | $75.1M | 0.01% | +435,647+27.5% | Added |
| J Digital 6 LLC | 1,807,234 | $67.2M | 39.72% | +1,807,234 | New |
| Blair William & Co | 1,769,432 | $65.8M | 0.17% | +1,103,651+165.8% | Added |
| Balyasny Asset Management LLC | 1,682,924 | $62.5M | 0.11% | +1,682,924 | New |
| American Century Companies Inc | 1,587,196 | $59.0M | 0.03% | +365,711+29.9% | Added |
| State Street Corp | 1,432,894 | $53.2M | 0.00% | +720,565+101.2% | Added |
| JPMorgan Chase & Co | 1,427,881 | $52.7M | 0.00% | +189,875+15.3% | Added |
| Geode Capital Management, LLC | 1,395,680 | $51.9M | 0.00% | +615,898+79.0% | Added |
| Adage Capital Partners GP, L.L.C. | 1,143,920 | $42.5M | 0.06% | −103,079−8.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 1,039,449 | $38.6M | 0.06% | +799,449+333.1% | Added |
| Lord, Abbett & Co. LLC | 1,000,866 | $37.2M | 0.11% | +140,179+16.3% | Added |
| Morgan Stanley | 950,593 | $35.3M | 0.00% | −196,363−17.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 857,682 | $33.5M | 0.05% | −254,579−22.9% | Reduced |
| Two Sigma Investments, LP | 888,109 | $33.0M | 0.02% | −5,609−0.6% | Reduced |
| Bank of America Corp | 856,980 | $31.8M | 0.00% | −43,902−4.9% | Reduced |
| Alyeska Investment Group, L.P. | 848,750 | $31.5M | 0.08% | −598,704−41.4% | Reduced |
| Price T Rowe Associates Inc | 844,464 | $31.4M | 0.00% | +685,278+430.5% | Added |
| Franklin Resources Inc | 784,799 | $29.2M | 0.01% | +216,625+38.1% | Added |
| Walleye Capital LLC | 728,034 | $27.1M | 0.13% | +689,512+1,789.9% | Added |
| Westfield Capital Management Co LP | 700,741 | $26.0M | 0.09% | +700,741 | New |
| GWM Advisors LLC | 681,610 | $25.3M | 0.08% | +642,585+1,646.6% | Added |
| Nuveen, LLC | 668,115 | $24.8M | 0.01% | +436,207+188.1% | Added |
| Caldwell Investment Management Ltd. | 600,000 | $22.3M | 14.63% | −63,810−9.6% | Reduced |
| Assenagon Asset Management S.A. | 595,664 | $22.1M | 0.01% | +595,664 | New |
| UBS Group AG | 567,797 | $21.1M | 0.00% | +144,392+34.1% | Added |
| Driehaus Capital Management LLC | 566,052 | $21.0M | 0.12% | +169,354+42.7% | Added |
| Northern Trust Corp | 562,337 | $20.9M | 0.00% | +328,369+140.3% | Added |
| Ameriprise Financial Inc | 559,485 | $20.8M | 0.00% | +50,033+9.8% | Added |
| Seven Grand Managers, LLC | 550,000 | $20.4M | 0.82% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 500,000 | $18.6M | 0.36% | −500,000−50.0% | Reduced |
| Clearstead Advisors, LLC | 473,937 | $17.6M | 0.17% | −29,725−5.9% | Reduced |
| Royce & Associates LP | 452,813 | $16.8M | 0.14% | +143,537+46.4% | Added |
| Victory Capital Management Inc | 427,425 | $15.9M | 0.01% | +37,855+9.7% | Added |
| Massachusetts Financial Services Co | 406,274 | $15.1M | 0.00% | +64,965+19.0% | Added |
| Goldman Sachs Group Inc | 399,844 | $14.9M | 0.00% | −26,464−6.2% | Reduced |
| BNP Paribas Arbitrage, SA | 394,688 | $14.7M | 0.01% | −177,768−31.1% | Reduced |
| Charles Schwab Investment Management Inc | 373,541 | $13.9M | 0.00% | +136,232+57.4% | Added |
| Allianz Asset Management GmbH | 359,261 | $13.4M | 0.01% | +359,261 | New |
| D. E. Shaw & Co., Inc. | 355,528 | $13.2M | 0.01% | +34,766+10.8% | Added |
| Tocqueville Asset Management L.P. | 338,225 | $12.6M | 0.17% | +26,090+8.4% | Added |
| Vanguard Fiduciary Trust Co | 315,336 | $11.7M | 0.00% | +112,748+55.7% | Added |
| SEI Investments Co | 307,062 | $11.4M | 0.01% | −219,301−41.7% | Reduced |
| Barclays PLC | 295,775 | $11.0M | 0.00% | +21,528+7.8% | Added |
| Burkehill Global Management, LP | 290,000 | $10.8M | 0.39% | 00.0% | Unchanged |
| Mad River Investors | 289,000 | $10.7M | 4.02% | +207,750+255.7% | Added |
| Marshall Wace, LLP | 287,480 | $10.7M | 0.01% | +164,861+134.4% | Added |
| Langdon Equity Partners | 282,500 | $10.5M | 5.87% | +282,500 | New |
| Nearwater Capital Markets, Ltd | 279,000 | $10.4M | 0.18% | +279,000 | New |
| Jennison Associates LLC | 267,303 | $9.93M | 0.01% | +267,303 | New |
| Wellington Management Group LLP | 262,170 | $9.74M | 0.00% | −182,681−41.1% | Reduced |
| CAPROCK Group, Inc. | 259,873 | $9.66M | 0.19% | +159,288+158.4% | Added |
| North Reef Capital Management LP | 251,354 | $9.34M | 0.36% | −762,920−75.2% | Reduced |
| SG Americas Securities, LLC | 242,518 | $9.01M | 0.01% | +238,981+6,756.6% | Added |
| Norges Bank | 237,900 | $8.84M | 0.00% | +237,900 | New |
| York GP, Ltd. | 230,729 | $8.57M | 6.79% | +230,729 | New |
| Federated Hermes, Inc. | 224,410 | $8.34M | 0.01% | +23,265+11.6% | Added |
| Philadelphia Financial Management of San Francisco, LLC | 223,715 | $8.31M | 2.28% | +223,715 | New |
| Bank of New York Mellon Corp | 220,387 | $8.19M | 0.00% | +142,397+182.6% | Added |
| Schonfeld Strategic Advisors LLC | 200,181 | $7.44M | 0.04% | +42,498+27.0% | Added |
| BlueCrest Capital Management Ltd | 200,000 | $7.43M | 0.32% | +200,000 | New |
| Hudson Bay Capital Management LP | 190,223 | $7.07M | 0.03% | +160,587+541.9% | Added |
| Millennium Management LLC | 189,105 | $7.03M | 0.00% | −329,596−63.5% | Reduced |
| Coastal Bridge Advisors, LLC | 183,761 | $6.83M | 0.42% | +105,745+135.5% | Added |
| Manufacturers Life Insurance Company, The | 177,273 | $6.59M | 0.01% | +13,292+8.1% | Added |
| XTX Topco Ltd | 170,856 | $6.35M | 0.08% | +141,689+485.8% | Added |
| Wells Fargo & Company | 164,132 | $6.10M | 0.00% | +102,946+168.3% | Added |
| Advisor Group Holdings, Inc. | 157,902 | $5.87M | 0.01% | +112,960+251.3% | Added |
| Optiver Holding B.V. | 152,285 | $5.66M | 0.08% | −311−0.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 151,179 | $5.62M | 0.00% | +151,179 | New |
| Sone Capital Management, LLC | 138,903 | $5.16M | 0.39% | +138,903 | New |
| HMV Wealth Advisors, LLC | 137,957 | $5.13M | 2.00% | +127,274+1,191.4% | Added |
| Buckingham Strategic Partners | 136,736 | $5.08M | 0.04% | +126,413+1,224.6% | Added |
| FJ Capital Management LLC | 119,299 | $4.43M | 0.58% | +119,299 | New |
| Moors & Cabot, Inc. | 118,904 | $4.42M | 0.17% | +80,392+208.7% | Added |
| One Charles Private Wealth Services, LLC | 118,419 | $4.40M | 1.01% | +118,419 | New |
| Raymond James Financial Inc | 116,413 | $4.33M | 0.00% | −3,006−2.5% | Reduced |
| HighTower Advisors, LLC | 112,298 | $4.17M | 0.00% | +83,547+290.6% | Added |
| TD Asset Management Inc | 109,708 | $4.08M | 0.00% | +3,668+3.5% | Added |
| Delta Global Management LP | 109,665 | $4.08M | 0.44% | −177,994−61.9% | Reduced |
| Intrinsic Edge Capital Management LLC | 106,019 | $3.94M | 0.49% | −170,000−61.6% | Reduced |
| Qube Research & Technologies Ltd | 101,105 | $3.76M | 0.00% | +18,631+22.6% | Added |
| Bullseye Asset Management LLC | 98,170 | $3.65M | 1.85% | +32,242+48.9% | Added |
| Alliancebernstein L.P. | 89,200 | $3.47M | 0.00% | +62,900+239.2% | Added |
| Rhumbline Advisers | 89,668 | $3.33M | 0.00% | +60,458+207.0% | Added |
| G2 Investment Partners Management LLC | 85,000 | $3.16M | 0.58% | +32,400+61.6% | Added |
| Polar Capital Holdings Plc | 82,603 | $3.07M | 0.01% | −36,071−30.4% | Reduced |
| MBL Wealth, LLC | 78,902 | $2.93M | 0.20% | −8,058−9.3% | Reduced |
| Citigroup Inc | 77,286 | $2.87M | 0.00% | −28,135−26.7% | Reduced |
| Deutsche Bank AG | 75,052 | $2.79M | 0.00% | +54,631+267.5% | Added |
| Spirepoint Private Client, LLC | 68,883 | $2.56M | 0.21% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 63,344 | $2.35M | 0.00% | −86,560−57.7% | Reduced |
| Voleon Capital Management LP | 58,234 | $2.16M | 0.04% | +34,197+142.3% | Added |
| EagleClaw Capital Managment, LLC | 57,800 | $2.15M | 0.29% | +57,800 | New |
| Royal Bank of Canada | 53,256 | $1.98M | 0.00% | +42,955+417.0% | Added |