Diligence memo · auto-generated · as of July 2, 2026
Ambiq Micro, Inc.
Ambiq Micro, Inc. has raised $405M over 27 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Ambiq Micro, Inc. operates in Climate / Cleantech, based in AUSTIN. Ambiq – Ambient Intelligence. Ambiq is the industry leader in ultra-low power semiconductor platforms and solutions for battery-powered edge AI devices.
Sub-sector tags: ai/ml, climate/cleantech, hardware/semi.
Capital & rounds (filed)filed
Ambiq Micro, Inc. has raised $405M in disclosed capital across 27 recorded rounds, aggregated from public filings. Its latest round is modeled as Series D+ (a $100M–$400M round).
Largest single filing: $127M on 2020-10-16.
Most recent recorded round closed around 2024-07-29.
Valuation (modeled)modeled
Provath models Ambiq Micro, Inc. at approximately $3.0M (range $1.6M–$4.2M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 5 months.
Last raise 23 mo ago; this sector typically re-raises about every 9 months.
Past due for a raise versus sector cadence — watch for distress or a bridge.
The last round was 8.0× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 92% of Climate / Cleantech peers (207 compared).
Modeled value ranks above 48% of those peers.
Closest niche peers: Form Energy, Inc., Aurora Solar Inc., Climate Care Innovations Inc.
Peoplefiled
24 named people on file across officers, directors and signatories.
Risks & flagsmixed
Overdue for a raise versus sector norm — distress or bridge risk.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.