Twenty fresh Seattle prospects: $349.1M raised, with Series A checks three times the size of seed-stage rounds

Asked:

“Find me 20 Series A startups in the city of Seattle”

Asked (follow-up):

“Let's mix it in with seed raises above $2M”

A curated recent mix — not all Seattle startups: 10 Series A companies plus 10 seed-stage companies (8 Seed, 2 Pre-seed) whose rounds were strictly above $2M, all screened for Seattle city proper. Together they disclose $349.1M: $269M in Series A, $72.15M in Seed and $7.95M in Pre-seed. Amounts are USD millions; dates are announcement dates.

Round sizes, newest at top

Series A — avg $26.9M, median $21M Seed — avg $9.02M, median $9.23M Pre-seed — avg $3.98M, median $3.98M
Endurance Energy’s $54M Series A for undersea-volcano geothermal is the largest round on the list — inforcapital.com
Chiplytics’ $2.5M Seed to catch counterfeit chips is the smallest round that cleared the strictly-above-$2M bar — commstrader.com
Nuance Labs’ $50M Series A, led by Lightspeed with Accel and NVIDIA, is the newest big check, announced mid-September 2026 — geekwire.com
Trilogy Equity Partners appears in three of the ten seed-stage rounds (Kanu AI, Noosphere Labs, Wild Zebra) — seattleflow.org
Filter:
CompanyStageRoundAnnouncedWhat it doesInvestorsSource

Curated prospect list: 20 venture rounds at Seattle city-proper startups — 10 Series A and 10 seed-stage (8 Seed, 2 Pre-seed, each strictly above $2M) — compiled from independent funding and location sources, one source linked per row (several companies carry multiple corroborating pages). Amounts are disclosed round sizes in USD millions; dates are announcement or closing dates reported by sources and may differ by a day across syndication. Full investor lists kept; descriptions shortened for space.

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