MIAMI INTL HLDGS INC

$MIAX
13F holders
199
Net 13F flow · Q
Insider buys · 90d
0
Insider net · 90d
Congress · 90d
0
Convergence

Institutional holders

Top 10 of 199 · Source: 13F-HR
01
Cibc World Markets Corp.
02
Roberts Capital Advisors, LLC
03
Strategic Planning Group, LLC
04
Horizon Kinetics Asset Management LLC
05
Confluence Investment Management LLC
06
Partners Value Investments L.P.
07
Massachusetts Institute of Technology
08
Hedges Asset Management LLC
09
Gladwyn Financial Advisors, Inc.
10
Siemens Fonds Invest GmbH

Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.

See all 199 13F holders · Pro →

Smart Money · top-200 alpha cohort

6 holders · Q1 2026

$MIAX is held by 6 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.06%, with an average of 0.01% of portfolio. Largest holder: Independent Solutions Wealth Management, LLC at 0.06%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Insider activity · last 90 days

14 transactions · 11 filers
04 May 2026
Brown Shelly
▼ SOLD
16,000
$47.28
S
14 Aug 2025
Emmons Lance
▲ BOUGHT
4
$31.44
P
13 Aug 2025
Moore Lisa
▲ BOUGHT
5,500
$23.00
P
13 Aug 2025
Jayabalan Harish
▲ BOUGHT
2,500
$23.00
P
13 Aug 2025
Stahlin Paul
▲ BOUGHT
1,000
$23.00
P
13 Aug 2025
Nazarali Jamil
▲ BOUGHT
2,500
$23.00
P
13 Aug 2025
Smollen John
▲ BOUGHT
5,000
$23.00
P
13 Aug 2025
Deitzel Edward
▲ BOUGHT
100
$23.00
P
13 Aug 2025
Gallagher Thomas P.
▲ BOUGHT
12,000
$23.00
P
13 Aug 2025
Lozier Kenneth W.
▲ BOUGHT
1,000
$23.00
P
13 Aug 2025
Massad Mark I.
▲ BOUGHT
500
$23.00
P
13 Aug 2025
Massad Mark I.
▲ BOUGHT
1,500
$23.00
P

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $MIAX in the recent window.

Convergence · Pattern Engine ships in v1.1

30-day window
In development

Convergence detection for $MIAX lands with the Pattern Engine.

Once the Pattern Engine ships, this section will surface every active convergence event involving $MIAX — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.

Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 10:50 UTC.