MIAMI INTL HLDGS INC (MIAX): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in MIAX · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
14
13F filers
Aggregate Value
$218.4M
Across holders
Last Price
$44.03
2026-08-24
Sector
Financials
GICS
Quarterly fund activity10 increased4 reduced11 exited
Full exits: AXIOM INVESTORS LLC /DE, VOLORIDGE INVESTMENT MANAGEMENT, LLC, AQR CAPITAL MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, Woodline Partners LP, CITADEL ADVISORS LLC, TUDOR INVESTMENT CORP ET AL, Squarepoint Ops LLC, SOROS FUND MANAGEMENT LLC, Man Group plc, Brevan Howard Capital Management LP
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 1.68M | $62.5M | 28.6% | 0.1% | Added | — | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 1.14M | $42.5M | 19.5% | 0.1% | Reduced | $-3.8M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 888K | $33.0M | 15.1% | 0.0% | Reduced | $-208K | Q2 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 728K | $27.1M | 12.4% | 0.1% | Added | +$25.6M | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 356K | $13.2M | 6.0% | 0.0% | Added | $-10.6M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 287K | $10.7M | 4.9% | 0.0% | Added | +$5.4M | Q2 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 200K | $7.4M | 3.4% | 0.0% | Added | +$1.6M | Q2 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 190K | $7.1M | 3.2% | 0.0% | Added | +$6.0M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 189K | $7.0M | 3.2% | 0.0% | Reduced | $-12.2M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 101K | $3.8M | 1.7% | 0.0% | Added | +$692K | Q2 2026 |
Added
Hedge Fund
$62.5M· 28.6% of total· 0.1% port· 1.68M sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$42.5M· 19.5% of total· 0.1% port· 1.14M sh· $-3.8M QoQ· Q2 2026
Reduced
Hedge Fund
$33.0M· 15.1% of total· 0.0% port· 888K sh· $-208K QoQ· Q2 2026
Added
Hedge Fund
$27.1M· 12.4% of total· 0.1% port· 728K sh· +$25.6M QoQ· Q2 2026
Added
Hedge Fund
$13.2M· 6.0% of total· 0.0% port· 356K sh· $-10.6M QoQ· Q2 2026
Added
Hedge Fund
$10.7M· 4.9% of total· 0.0% port· 287K sh· +$5.4M QoQ· Q2 2026
Added
Hedge Fund
$7.4M· 3.4% of total· 0.0% port· 200K sh· +$1.6M QoQ· Q2 2026
Added
Hedge Fund
$7.1M· 3.2% of total· 0.0% port· 190K sh· +$6.0M QoQ· Q2 2026
Reduced
Hedge Fund
$7.0M· 3.2% of total· 0.0% port· 189K sh· $-12.2M QoQ· Q2 2026
Added
Hedge Fund
$3.8M· 1.7% of total· 0.0% port· 101K sh· +$692K QoQ· Q2 2026
Reduced
Hedge Fund
$2.4M· 1.1% of total· 0.0% port· 63K sh· $-3.2M QoQ· Q2 2026
Added
Hedge Fund
$1.3M· 0.6% of total· 0.0% port· 35K sh· +$185K QoQ· Q2 2026
Added
Hedge Fund
$452K· 0.2% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
Added
Hedge Fund
$15K· 0.0% of total· 0.0% port· 400 sh· — QoQ· Q2 2026
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