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HORIZON KINETICS ASSET MANAGEMENT LLC · STAHL MURRAY
10% owner
6,199Open-market trades
3Tickers
+8.74%Avg 90d after buys
−7.48%Avg 90d after sales
+12.1%Avg 180d after buys
+0.05%Avg 180d after sales
MIAMI INTERNATIONAL HOLDINGS, INC. 9 open-market prints by this insider, 8/28/2025 – 3/5/2026. Triangles mark only their Form 4 purchases and sales. Full MIAX chart
MIAX adjusted close▲ buy▼ sale
MIAX trades
| Date | Form 4 | Ticker | Side | Shares | Value | 90d | 180d |
|---|---|---|---|---|---|---|---|
| 3/5/2026 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 7,200 | $310.2K | −4.84% | −0.64% | |
| 3/4/2026 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 7,200 | $312.3K | −0.72% | +0.12% | |
| 3/4/2026 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 7,200 | $312.3K | −0.72% | +0.12% | |
| 3/2/2026 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | SELL | 121,054 | $4.95M | −7.48% | +0.05% | |
| 3/2/2026 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | SELL | 53,578 | $2.19M | −7.48% | +0.05% | |
| 12/12/2025 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 2,439 | $100.0K | −10.8% | −4.43% | |
| 10/3/2025 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 2 | $83.94 | +3.71% | −6.46% | |
| 9/26/2025 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 4 | $167.04 | +13.2% | −6.60% | |
| 8/28/2025 | MIAXMIAMI INTERNATIONAL HOLDINGS, INC MIAMI INTERNATIONAL HOLDINGS, INC · Security Brokers, Dealers & Flotation CompaniesIndustrySecurity Brokers, Dealers & Flotation CompaniesMkt cap (est.)$13.46BPrice$38.7952w high$56.8452w low$35.81 | BUY | 34,470 | $1.24M | +29.2% | +11.5% |
Chart uses split-adjusted closes from the first print through the latest available bar. Returns use the last close on or before the trade date and the first close on or after 90 and 180 calendar days. Sales are signed so a declining price is a positive result for the seller. Not investment advice.