Horizon Kinetics
投资主体（类型未细分）
Verified investment lower bound—
Investment cases1
Manager operating history—
Representative investments
| # | Company | Market cap / valuationUSD | Total fundingUSD | Last financing / listing | Key investors |
|---|---|---|---|---|---|
| — | SandboxAQ美国 | —Private valuationSources · 1 | ≥$950MVerified lower bound | 超过$450MSeries E最终扩募Sources · 1 |