Temporal Technologies closed a $550 million Series E follow-on round on September 14, 2026 at a $12.55 billion valuation, confirming reports from a month earlier. The round was co-led by Lightspeed and Wellington Management, with participation from Goldman Sachs, Tiger Global, T. Rowe Price, SV Angel and several existing investors. The provided excerpt did not disclose specific operating metrics such as clients, revenue, pipeline or employee count, nor detailed planned use of funds or expansion plans.