DaveManuel.com · Institutional Ownership · Who Owns It
MIAMI INTL HLDGS INC (MIAX)
Institutional ownership reported to the SEC as of Q2 2026, across 5 quarters.
215
Reporting holders
$2.7B
Reported value
73.0%
Of shares outstanding
1.0%
Calls
0.9%
Puts
+13
Holder change
Institutions report 72,412,386 shares against 99,230,898 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| HORIZON KINETICS ASSET MANAGEMENT LLC | $291.4M | 7,842,173 | 3.30% | 4q | +127.2%+$163.2M |
| BlackRock, Inc. | $188.5M | 5,071,754 | 0.00% | 4q | +127.2%+$105.5M |
| T. Rowe Price Investment Management, Inc. | $187.0M | 5,032,970 | 0.12% | 4q | +21.4%+$33.0M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $141.0M incl. $16.4M options CALL+PUT | 3,355,043 | 0.01% | 4q | +1.8%+$2.5M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $140.7M | 3,786,418 | 0.01% | 2q | +175.4%+$89.6M |
| VANGUARD CAPITAL MANAGEMENT LLC | $117.6M | 3,165,686 | 0.00% | 2q | +123.7%+$65.1M |
| Invesco Ltd. | $75.1M | 2,020,650 | 0.01% | 4q | +27.5%+$16.2M |
| J Digital 6 LLC | $67.2M | 1,807,234 | 39.72% | new | NEW |
| BLAIR WILLIAM & CO/IL | $65.8M | 1,769,432 | 0.17% | 4q | +165.8%+$41.0M |
| Balyasny Asset Management L.P. | $62.5M | 1,682,924 | 0.08% | new | NEW |
| AMERICAN CENTURY COMPANIES INC | $59.0M | 1,587,196 | 0.03% | 4q | +29.9%+$13.6M |
| STATE STREET CORP | $53.2M | 1,432,894 | 0.00% | 4q | +101.2%+$26.8M |
| JPMORGAN CHASE & CO | $52.7M | 1,427,881 | 0.00% | 4q | +15.3%+$7.0M |
| GEODE CAPITAL MANAGEMENT, LLC | $51.9M | 1,395,680 | 0.00% | 4q | +79.0%+$22.9M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | $42.5M | 1,143,920 | 0.06% | 4q | -8.3%-$3.8M |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $38.6M | 1,039,449 | 0.05% | 4q | +333.1%+$29.7M |
| LORD, ABBETT & CO. LLC | $37.2M | 1,000,866 | 0.11% | 4q | +16.3%+$5.2M |
| MORGAN STANLEY | $35.3M | 950,593 | 0.00% | 4q | -17.1%-$7.3M |
| Allspring Global Investments Holdings, LLC | $33.5M | 857,682 | 0.05% | 4q | -22.9%-$9.9M |
| TWO SIGMA INVESTMENTS, LP | $33.0M | 888,109 | 0.02% | 4q | -0.6%-$208.4K |
| BANK OF AMERICA CORP /DE/ | $31.8M | 856,980 | 0.00% | 4q | -4.9%-$1.6M |
| Alyeska Investment Group, L.P. | $31.5M | 848,750 | 0.08% | 4q | -41.4%-$22.2M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $31.4M | 844,464 | 0.00% | 4q | +430.5%+$25.5M |
| FRANKLIN RESOURCES INC | $29.2M | 784,799 | 0.01% | 4q | +38.1%+$8.0M |
| Walleye Capital LLC | $27.1M | 728,034 | 0.10% | 4q | +1789.9%+$25.6M |
| WESTFIELD CAPITAL MANAGEMENT CO LP | $26.0M | 700,741 | 0.09% | new | NEW |
| NewEdge Advisors, LLC | $25.3M | 681,610 | 0.08% | 2q | +1646.6%+$23.9M |
| Nuveen, LLC | $24.8M | 668,115 | 0.01% | 3q | +188.1%+$16.2M |
| Caldwell Investment Management Ltd. | $22.3M | 600,000 | 14.63% | 4q | -9.6%-$2.4M |
| Assenagon Asset Management S.A. | $22.1M | 595,664 | 0.01% | new | NEW |
| UBS Group AG | $21.1M | 567,797 | 0.00% | 4q | +34.1%+$5.4M |
| Driehaus Capital Management LLC | $21.0M | 566,052 | 0.12% | 4q | +42.7%+$6.3M |
| NORTHERN TRUST CORP | $20.9M | 562,337 | 0.00% | 4q | +140.3%+$12.2M |
| AMERIPRISE FINANCIAL INC | $20.8M | 559,485 | 0.00% | 4q | +9.8%+$1.9M |
| SEVEN GRAND MANAGERS, LLC | $20.4M | 550,000 | 0.82% | 4q | HELD |
| Ghisallo Capital Management LLC | $18.6M | 500,000 | 0.36% | 4q | -50.0%-$18.6M |
| Clearstead Advisors, LLC | $17.6M | 473,937 | 0.17% | 2q | -5.9%-$1.1M |
| ROYCE & ASSOCIATES LP | $16.8M | 452,813 | 0.14% | 3q | +46.4%+$5.3M |
| VICTORY CAPITAL MANAGEMENT INC | $15.9M | 427,425 | 0.01% | 4q | +9.7%+$1.4M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $15.1M | 406,274 | 0.00% | 4q | +19.0%+$2.4M |
| GOLDMAN SACHS GROUP INC | $14.9M | 399,844 | 0.00% | 4q | -6.2%-$983.4K |
| BNP PARIBAS FINANCIAL MARKETS | $14.7M | 394,688 | 0.01% | 3q | -31.1%-$6.6M |
| D. E. Shaw & Co., Inc. | $14.3M incl. $1.1M options CALL | 355,528 | 0.01% | 2q | +10.8%+$1.4M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $13.9M | 373,541 | 0.00% | 4q | +57.4%+$5.1M |
| Allianz Asset Management GmbH | $13.4M | 359,261 | 0.01% | new | NEW |
| TOCQUEVILLE ASSET MANAGEMENT L.P. | $12.6M | 338,225 | 0.17% | 4q | +8.4%+$969.5K |
| VANGUARD FIDUCIARY TRUST CO | $11.7M | 315,336 | 0.00% | 2q | +55.7%+$4.2M |
| SEI INVESTMENTS CO | $11.4M | 307,062 | 0.01% | 4q | -41.7%-$8.1M |
| Swan Global Investments, LLC | $11.3M PUT | options only | 0.33% | new | OPTIONS |
| BARCLAYS PLC | $11.0M | 295,775 | 0.00% | 4q | +7.8%+$800.0K |
| Burkehill Global Management, LP | $10.8M | 290,000 | 0.39% | 4q | HELD |
| MAD RIVER INVESTORS | $10.7M | 289,000 | 4.01% | 4q | +255.7%+$7.7M |
| MARSHALL WACE, LLP | $10.7M | 287,480 | 0.01% | 2q | +134.4%+$6.1M |
| Langdon Equity Partners | $10.5M | 282,500 | 5.87% | new | NEW |
| Nearwater Capital Markets, Ltd | $10.4M | 279,000 | 0.18% | new | NEW |
| JENNISON ASSOCIATES LLC | $9.9M | 267,303 | 0.01% | new | NEW |
| WELLINGTON MANAGEMENT GROUP LLP | $9.7M | 262,170 | 0.00% | 4q | -41.1%-$6.8M |
| Caprock Group, LLC | $9.7M | 259,873 | 0.19% | 4q | +158.4%+$5.9M |
| North Reef Capital Management LP | $9.3M | 251,354 | 0.36% | 4q | -75.2%-$28.4M |
| SG Americas Securities, LLC | $9.0M | 242,518 | 0.01% | 3q | +6756.6%+$8.9M |
| NORGES BANK | $8.8M | 237,900 | 0.00% | 2q | -14.2%-$1.5M |
| York GP, Ltd. | $8.6M | 230,729 | 6.79% | new | NEW |
| FEDERATED HERMES, INC. | $8.3M | 224,410 | 0.01% | 4q | +11.6%+$864.5K |
| Philadelphia Financial Management of San Francisco, LLC | $8.3M | 223,715 | 1.68% | new | NEW |
| Bank of New York Mellon Corp | $8.2M | 220,387 | 0.00% | 4q | +182.6%+$5.3M |
| Schonfeld Strategic Advisors LLC | $7.4M | 200,181 | 0.03% | 4q | +27.0%+$1.6M |
| BlueCrest Capital Management Ltd | $7.4M | 200,000 | 0.24% | new | NEW |
| Hudson Bay Capital Management LP | $7.1M | 190,223 | 0.02% | 4q | +541.9%+$6.0M |
| MILLENNIUM MANAGEMENT LLC | $7.0M | 189,105 | 0.00% | 4q | -63.5%-$12.2M |
| Coastal Bridge Advisors, LLC | $6.8M | 183,761 | 0.42% | 4q | +135.5%+$3.9M |
| CITADEL ADVISORS LLC | $6.7M CALL+PUT | options only | 0.00% | 4q | OPTIONS |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $6.6M | 177,273 | 0.01% | 4q | +8.1%+$493.9K |
| XTX Topco Ltd | $6.3M | 170,856 | 0.08% | 3q | +485.8%+$5.3M |
| IMC-Chicago, LLC | $6.2M CALL+PUT | options only | 0.00% | 3q | OPTIONS |
| WELLS FARGO & COMPANY/MN | $6.1M | 164,132 | 0.00% | 4q | +168.3%+$3.8M |
| OSAIC HOLDINGS, INC. | $5.9M | 157,902 | 0.01% | 4q | +251.3%+$4.2M |
| Optiver Holding B.V. | $5.7M | 152,285 | 0.00% | 3q | HELD |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $5.6M | 151,179 | 0.00% | new | NEW |
| Sone Capital Management, LLC | $5.2M | 138,903 | 0.39% | new | NEW |
| HMV Wealth Advisors, LLC | $5.1M | 137,957 | 2.00% | 2q | +1191.4%+$4.7M |
| Focus Partners Advisor Solutions, LLC | $5.1M | 136,736 | 0.04% | 2q | +1224.6%+$4.7M |
| FJ Capital Management LLC | $4.4M | 119,299 | 0.58% | new | NEW |
| Moors & Cabot, Inc. | $4.4M | 118,904 | 0.17% | 4q | +208.7%+$3.0M |
| One Charles Private Wealth Services, LLC | $4.4M | 118,419 | 1.01% | new | NEW |
| RAYMOND JAMES FINANCIAL INC | $4.3M | 116,413 | 0.00% | 4q | -2.5%-$111.7K |
| JANE STREET GROUP, LLC | $4.2M CALL+PUT | options only | 0.00% | 4q | OPTIONS |
| HighTower Advisors, LLC | $4.2M | 112,298 | 0.00% | 4q | +290.6%+$3.1M |
| TD Asset Management Inc | $4.1M | 109,708 | 0.00% | 4q | +3.5%+$136.3K |
| Delta Global Management LP | $4.1M | 109,665 | 0.44% | 4q | -61.9%-$6.6M |
| INTRINSIC EDGE CAPITAL MANAGEMENT LLC | $3.9M | 106,019 | 0.41% | 4q | -61.6%-$6.3M |
| Qube Research & Technologies Ltd | $3.8M | 101,105 | 0.00% | 2q | +22.6%+$692.3K |
| Bullseye Asset Management LLC | $3.6M | 98,170 | 1.85% | 3q | +48.9%+$1.2M |
| ALLIANCEBERNSTEIN L.P. | $3.5M | 89,200 | 0.00% | 3q | +239.2%+$2.4M |
| RHUMBLINE ADVISERS | $3.3M | 89,668 | 0.00% | 3q | +207.0%+$2.2M |
| G2 Investment Partners Management LLC | $3.2M | 85,000 | 0.58% | 2q | +61.6%+$1.2M |
| Polar Capital Holdings Plc | $3.1M | 82,603 | 0.01% | 3q | -30.4%-$1.3M |
| MBL Wealth, LLC | $2.9M | 78,902 | 0.20% | 2q | -9.3%-$299.4K |
| CITIGROUP INC | $2.9M | 77,286 | 0.00% | 4q | -26.7%-$1.0M |
| DEUTSCHE BANK AG\ | $2.8M | 75,052 | 0.00% | 3q | +267.5%+$2.0M |
| SPIREPOINT PRIVATE CLIENT, LLC | $2.6M | 68,883 | 0.21% | 2q | HELD |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-10-27 | 13G/A | BlackRock, Inc. | 6.2% |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Gallagher Thomas P. | Chairman & CEO | Sold | 149,700 | $6.2M |
| 2026-07-13 | Gallagher Thomas P. | Chairman & CEO | Sold | 70,000 | $3.0M |
| 2026-06-02 | Gallagher Thomas P. | Chairman & CEO | Sold | 70,000 | $3.0M |
| 2026-08-04 | Gallagher Thomas P. | Chairman & CEO | Sold | 48,334 | $2.2M |
| 2026-08-04 | Schafer Douglas M. JR | EVP and CIO | Sold | 48,000 | $2.2M |
| 2026-06-02 | Schafer Douglas M. JR | EVP and CIO | Sold | 48,000 | $2.1M |
| 2026-08-04 | Comly Barbara J. | EVP, GC & Corporate Secretary | Sold | 44,445 | $2.0M |
| 2026-09-03 | Gallagher Thomas P. | Chairman & CEO | Sold | 47,000 | $2.0M |
| 2026-07-02 | Schafer Douglas M. JR | EVP and CIO | Sold | 48,000 | $2.0M |
| 2026-05-15 | Emmons Lance | EVP and CFO | Sold | 35,000 | $2.0M |
| 2026-09-02 | Schafer Douglas M. JR | EVP and CIO | Sold | 48,000 | $1.9M |
| 2026-09-02 | Comly Barbara J. | EVP, GC & Corporate Secretary | Sold | 44,445 | $1.8M |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 31 | $33.2M | 990,107 | 7 | 11 | 6 | 0.0% |
| Q2 2026 | 215 | $2.7B | 72,412,386 | 51 | 93 | 48 | 1.9% |
| Q1 2026 | 202 | $2.0B | 50,086,304 | 75 | 83 | 27 | 1.2% |
| Q4 2025 | 161 | $1.7B | 37,845,131 | 65 | 60 | 20 | 0.6% |
| Q3 2025 | 117 | $1.1B | 26,313,097 | 118 | 0 | 0 | 1.7% |