Ambiq Micro, Inc.
AMBQ- Exchange
- NYSE
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001500412
In the last 90 days, Ambiq Micro, Inc. insiders filed 0 open-market purchases and 17 sales; 184 institutions reported holding it in 13F filings for Q2 2026, worth $1.48B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 12, 2026
- $1.21B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $22.1M in total
- 17
- 13F holdersQ2 2026, +88 vs. previous quarter
- 184
- 13F valueReported value at the end of Q2 2026
- $1.48B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $72.5M
- No comparable prior period
- Net income, FY2025
- -$36.5M
- No comparable prior period
- Free cash flow, FY2025
- –
- No comparable prior period
- Revenue, Q3 FY2026
- $38.1M
- +110.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Net loss for FY2025: $36.5M (50.3% of revenue).
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 2.59M
- Shares sold short
- Change
- −68.7K
- −2.6% vs. previous
- Days to cover
- 7.14
- At average daily volume
Superinvestors holding AMBQ, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding AMBQ at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Ambiq Micro, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 16, 2026 (view filing)4:53 PM ET | Oct 15 | 1 day | Hanson Scott McLeanChief Technology Officer | SSale | −7.00K | $51.00 | −$357.0K | −3.2%212.5K after | 4 lots10b5-1 |
| Oct 16, 2026 (view filing)4:52 PM ET | Oct 15 | 1 day | Esaka FumihideChief Executive Officer | SSale | −5.00K | $51.00 | −$255.0K | −1.1%443.9K after | 4 lots10b5-1 |
| Oct 16, 2026 (view filing)4:51 PM ET | Oct 14 | 2 days | Chen Sean ChihhsiangPresident and COO | SSale | −15.0K | $51.50 | −$772.4K | −12.4%106.3K after | 5 lots10b5-1 |
| Oct 6, 2026 (view filing)8:16 PM ET | Oct 2 | 4 days | Winzeler Jeffrey GChief Financial Officer | SSale | −5.46K | $69.60 | −$379.6K | −5.1%100.8K after | 3 lots |
| Oct 6, 2026 (view filing)6:53 PM ET | Oct 2 | 4 days | Esaka FumihideChief Executive Officer | SSale | −16.6K | $69.60 | −$1.15M | −3.6%443.9K after | 3 lots |
| Oct 6, 2026 (view filing)6:49 PM ET | Oct 2 | 4 days | Hanson Scott McLeanChief Technology Officer | SSale | −8.68K | $69.60 | −$604.1K | −3.9%212.5K after | 3 lots |
| Oct 6, 2026 (view filing)6:45 PM ET | Oct 2-5 | 4 days | Chen Sean ChihhsiangPresident and COO | SSale | −14.0K | $67.95 | −$951.7K | −11.6%106.3K after | 7 lots10b5-1 |
| Sep 17, 2026 (view filing)4:06 PM ET | Sep 15 | 2 days | Hanson Scott McLeanChief Technology Officer | SSale | −7.00K | $60.28 | −$421.9K | −3.1%221.2K after | 3 lots10b5-1 |
| Sep 15, 2026 (view filing)6:58 PM ET | Sep 11 | 4 days | Zhang KerDirector | SSale | −10.0K | $63.44 | −$634.4K | −32.9%20.4K after | 2 lots |
| Sep 15, 2026 (view filing)6:57 PM ET | Sep 14 | 1 day | Chen Sean ChihhsiangPresident and COO | SSale | −15.0K | $60.14 | −$902.1K | −11.1%120.3K after | 3 lots10b5-1 |
Top 10 13F holders, Q2 2026
See all 184 holdersThe largest institutional positions in Ambiq Micro, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,380,623 | $121.9M | 0.00% | +367,462+36.3% | Added |
| T. Rowe Price Investment Management, Inc. | 1,006,359 | $88.9M | 0.06% | −261,192−20.6% | Reduced |
| D. E. Shaw & Co., Inc. | 983,916 | $86.9M | 0.05% | +983,916 | New |
| Atreides Management, LP | 877,123 | $77.4M | 0.69% | +14,948+1.7% | Added |
| State Street Corp | 861,979 | $76.1M | 0.00% | +601,752+231.2% | Added |
| Vanguard Capital Management LLC | 768,539 | $67.9M | 0.00% | +61,135+8.6% | Added |
| Two Sigma Investments, LP | 651,786 | $57.6M | 0.04% | +614,992+1,671.4% | Added |
| Goldman Sachs Group Inc | 446,950 | $39.5M | 0.00% | +33,524+8.1% | Added |
| Geode Capital Management, LLC | 339,327 | $30.0M | 0.00% | +41,779+14.0% | Added |
| Needham Investment Management LLC | 323,700 | $28.6M | 0.86% | +123,700+61.9% | Added |
Holders of 5% or more of AMBQ
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Ambiq Micro, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Kleiner Perkins Caufield & Byers XVI, LLC | 13G | 8.20%1.49M shares | New | Nov 3, 20251 filing | Nov 3, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 6.70%1.63M shares | +1.40 ppfrom 5.30% | Jul 27, 20262 filings | Oct 27, 2026 | SEC |