Tag: a16z

a16z leads $21M Series A into AI-native tax compliance software Sphere

a16z leads $21M Series A into AI-native tax compliance ...

TechAmerica.ai Staff Nov 18, 2025 0 4

Sphere raises $21M in funding led by a16z to expand its AI-driven global tax com...

Kalshi Hits $5B Valuation Days After Rival Polymarket Secures $2B NYSE Backing at $8B

Kalshi Hits $5B Valuation Days After Rival Polymarket S...

TechAmerica.ai Staff Oct 11, 2025 0 0

Kalshi raises over $300 million, hitting a $5 billion valuation, as it expands i...