MIAMI INTL HLDGS INC COM is a security (CUSIP 59356Q108) tracked across SEC portfolio filings. 207 institutional managers reported $1.7B on Form 13F as of 2026-06-30; 22 registered fund positions totaling $178.0M via N-PORT as of 2026-05-31.
Showing 15 of 207 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $140.7M | 3,296,346 |
| HORIZON KINETICS ASSET MANAGEMENT LLC | NEW YORK, NY | $134.3M | 3,451,549 |
| BlackRock, Inc. | New York, NY | $86.9M | 2,232,680 |
| VANGUARD GROUP INC | Valley Forge, PA | $85.6M | 1,928,286 |
| CITADEL ADVISORS LLC | MIAMI, FL | $65.9M | 1,607,780 |
| Alyeska Investment Group, L.P. | CHICAGO, IL | $56.3M | 1,447,454 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Boston, MA | $48.5M | 1,246,999 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $47.5M | 1,221,485 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $46.4M | 1,238,006 |
| MORGAN STANLEY | NEW YORK, NY | $44.6M | 1,146,956 |
| Allspring Global Investments Holdings, LLC | CHARLOTTE, NC | $43.8M | 1,112,261 |
| North Reef Capital Management LP | Laguna Beach, CA | $39.5M | 1,014,274 |
| Ghisallo Capital Management LLC | Greenwich, CT | $38.9M | 1,000,000 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $35.1M | 900,882 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $34.8M | 893,718 |
Showing 15 of 22 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| T. Rowe Price Small-Cap Stock Fund, Inc. | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $54.8M | 67.92% |
| T. Rowe Price Institutional Small-Cap Stock Fund | T. Rowe Price Equity Funds, Inc. | $29.8M | 68.74% |
| LORD ABBETT DEVELOPING GROWTH FUND INC | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $22.0M | 98.96% |
| Columbia Acorn Fund | COLUMBIA ACORN TRUST | $16.6M | 73.92% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $13.2M | 1.62% |
| T. Rowe Price Small-Cap Value Fund, Inc. | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $11.3M | 12.24% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $6.3M | 28.19% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $6.0M | 3.41% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $5.8M | 16.10% |
| T. Rowe Price Financial Services Fund, Inc. | T. ROWE PRICE FINANCIAL SERVICES FUND, INC. | $5.1M | 29.08% |
| T. Rowe Price Spectrum Moderate Growth Allocation Fund | T. ROWE PRICE SPECTRUM FUNDS II, INC. | $2.3M | 5.29% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $1.6M | 3.22% |
| Kinetics Global Portfolio | Kinetics Portfolios Trust | $841K | 147.71% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $719K | 0.12% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $590K | 0.19% |