Series E Funded Artificial Intelligence Startups
In this Series E AI set (34 rows), the largest disclosed round is SambaNova’s $350M (2026-02-09).
In this Series E AI set (34 rows), the largest disclosed round is SambaNova’s $350M (2026-02-09). It sits alongside multiple large checks, but the next-largest disclosed amounts are still below that level: Groq at $750M is not the maximum (Lambda at $1.5B on 2025-11-18 is), and—critically—Lambda’s $1.5B (2025-11-18) dwarfs the rest of the disclosed amounts. Smaller rounds cluster heavily between $60M and $300M, with the only clearly low disclosed amount being Kalshi’s $5M (2026-04-09).
Geographically, California dominates in a way that’s hard to miss: many entries are based in San Francisco (e.g., Lambda 2025-11-18, EvenUp 2025-10-10, Supabase 2025-10-03) and in the broader Bay Area (e.g., Groq in Mountain View on 2025-09-21; Plume Design in Palo Alto on 2021-02-23). Temporally, the most recent window is concentrated in 2025–2026, spanning 2026-04-09 (Kalshi) back to 2021-01-26 (Bloomreach). The list is uniformly labeled Series E, with one amount marked undisclosed (Clari, 2021-10-13).
Most recent rounds
34 shownRelated listings
Frequently asked
What’s the largest disclosed Series E round in this AI list, and how separated is it from the rest?
Lambda’s $1.5B round on 2025-11-18 is the largest disclosed amount in the table. It is substantially above the next tier of disclosed rounds such as Groq’s $750M (2025-09-21) and SambaNova’s $350M (2026-02-09), while the low end is represented by Kalshi at $5M (2026-04-09).
Do the entries cluster in specific cities, especially in California?
San Francisco appears repeatedly among disclosed rounds, including Lambda ($1.5B, 2025-11-18), EvenUp ($150M, 2025-10-10), and Supabase ($100M, 2025-10-03). The Bay Area also shows up across cities like Mountain View (Groq $750M on 2025-09-21; Bloomreach $150M on 2021-01-26) and Palo Alto (SambaNova $350M on 2026-02-09; Plume Design $270M on 2021-02-23).
Which rounds fall in the most recent 90 days of the displayed date range?
Using the latest date shown (2026-04-09, Kalshi) as the anchor, the most recent 90 days include entries dated from roughly mid-January 2026 onward: Kalshi (2026-04-09, $5M), SambaNova (2026-02-09, $350M), and any rounds in between that window from the list (e.g., the 2026-02 to 2026-04 entries shown).
Are there outliers besides the very largest disclosed amount?
Yes: Kalshi’s $5M (2026-04-09) is a clear low outlier compared with the rest of the disclosed rounds that generally sit far higher (for example, $60M–$450M bands like Shield AI $60M on 2022-12-13 and Socure $450M on 2021-11-09). On the high end, Lambda’s $1.5B (2025-11-18) is the dominant outlier relative to other large rounds.
Is the distribution of disclosed vs. undisclosed amounts a pattern in this table?
All rows are labeled Series E, and there is only one undisclosed amount: Clari on 2021-10-13 (undisclosed). Every other listed Series E AI company has a disclosed amount (e.g., Uniphore $400M on 2022-02-16; Groq $750M on 2025-09-21), so the dataset is otherwise fully comparable on $ size.
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