424B4424B4
Jun 25, 2026Final prospectus0001193125-26-281376
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424B4Jun 25, 2026
Ambiq Micro Inc
AMBQPublicArchived
Public / ArchivedUnited States(NYSE)Best valuation $847.79M1 market
Public listing
Listed· NYSE· Listing market: United StatesListing date
Not available
Offer price
Not available
Shares offered
Not available
Offering proceeds
Not available
Sources: SEC EDGAR, Nasdaq
IPO Calendar · NYSEIPO
AMBQPrice
$35.06
24h
-15.61%
Valuation
$847.79M
24h volume
$21.27M
Type
IPO
IPO Calendar · updated 1h ago
Ambiq Micro Inc IPO public float & lock-up
Public float and locked shares extracted from Ambiq Micro Inc's SEC prospectus. Shares shown are eligible to trade — lock-up expiry does not mean holders have sold or will sell.
Total shares (FD)
23.36M
Public float
2M
Locked
21.36M
IPO raise
—
Next unlock
—
Needs review: Could not extract a detailed lock-up release schedule.
Financials
UnprofitableFrom SEC filings, latest FY ending Dec 31, 2025 · CIK 0001500412.
Revenue · -4.67% YoY
$72.51M
Net income
-$36.46M
Gross margin
44.26%
Cash
$140.28M
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Revenue | $72.51M | $76.07M | — |
| Gross profit | $32.1M | $24.29M | — |
| Operating income | -$39.54M | -$40.61M | — |
| Net income | -$36.46M | -$39.66M | — |
| R&D expense | $38.49M | $37.17M | — |
| Cash & equivalents | $140.28M | $60.98M | — |
| Total assets | $184.68M | $104.28M | — |
| Total liabilities | $22.22M | $18.53M | — |
| Shareholders' equity | $162.46M | -$292.4M | -$261.03M |
About Ambiq Micro Inc
Ambiq Micro is a semiconductor company that designs ultra-low-power chips and edge-AI solutions for connected devices.
What the company does
- Develops microcontrollers and system-on-chip products optimized for low energy consumption.
- Serves wearables, smart-home devices, industrial sensors, healthcare devices, and other battery-constrained electronics.
- Uses its low-power design approach to enable local processing, longer battery life, and embedded AI features at the edge.
Business profile
Ambiq Micro operates in semiconductors for edge devices, where design wins, power efficiency, customer concentration, supply-chain execution, and software support drive growth.
SEC IPO filings
Final prospectusEDGAR filings resolved from AMBQ / CIK 0001500412.
Jun 23, 2026Effective9999999995-26-002095
S-1S-1
Jun 22, 2026Filed0001193125-26-276706
Jun 11, 2026Confidential draft0001193125-26-267206
424B4424B4
Jan 26, 2026Final prospectus0001193125-26-021460
Jan 22, 2026Effective9999999995-26-000267
CORRESPfilename1.htm
Jan 22, 2026SEC correspondence0001193125-26-019076
CORRESPfilename1.htm
Jan 21, 2026SEC correspondence0001193125-26-017280
CORRESPfilename1.htm
Jan 21, 2026SEC correspondence0001193125-26-017276
S-1S-1
Jan 21, 2026Filed0001193125-26-017240
Nov 3, 2025Confidential draft0001193125-25-261199
424B4424B4
Jul 31, 2025Final prospectus0001193125-25-169401
Ambiq Micro Inc IPO — frequently asked questions
- When did Ambiq Micro Inc go public?
- Ambiq Micro Inc has already gone public and now trades publicly on NYSE under the ticker AMBQ.
- Can I buy Ambiq Micro Inc stock?
- Yes — Ambiq Micro Inc is publicly traded on NYSE as AMBQ. You can follow its live price, valuation and post-IPO performance above.
- What is Ambiq Micro Inc's valuation?
- Ambiq Micro Inc's most recent valuation tracked here is $847.79M, derived from live market prices.