As of November 6, 2026, Ambiq Micro, Inc. is a publicly traded company (NYSE: AMBQ); its largest reported holder is KPCB XVI Associates, LLC (a Kleiner Perkins fund, per the filing), with 8.2% on Schedule 13G of November 3, 2025, then BlackRock (6.7%) (Schedule 13G, November 3, 2025).
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Is Ambiq Micro, Inc. a real, registered company?
- Ambiq Micro, Inc. files with the SEC under CIK 1500412 (its SEC filings).
- Its shares are listed under the ticker AMBQ on NYSE (SEC company record).
- Incorporated in Delaware; business address in Austin, Texas, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Ambiq Micro, Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-10-27).
Who are Ambiq Micro, Inc.'s owners and officers?
Ambiq Micro, Inc.: incorporated in Delaware; business address in Austin, Texas; industry Semiconductors & Related Devices (Schedule 13G/A, 2026-10-27).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2024-09-27)
- : Director (Form D, 2024-09-27)
- : Executive Officer, Director (Form D, 2024-09-27)
- : Executive Officer, Director (Form D, 2024-09-27)
- : Executive Officer, Director (Form D, 2024-09-27)
- : Director (Form D, 2024-09-27)
- : Director (Form D, 2024-09-27)
- : Director (Form D, 2024-09-27)
- : Executive Officer (Form D, 2024-09-27)
- : Executive Officer (Form D, 2024-09-27)
- : Director (Form D, 2024-09-27)
- : Director (Form D, 2024-09-27)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-27 | Blackrock, Inc. | 6.7% |
| Schedule 13G/A, 2026-08-14 | T. Rowe Price Investment Management, Inc. | 4.3% |
| Schedule 13G, 2026-07-27 | Blackrock, Inc. | 5.3% |
| Schedule 13G, 2026-05-15 | T. Rowe Price Investment Management, Inc. | 6% |
| Schedule 13G, 2025-11-03 | Kpcb Xvi Associates, LLC | 8.2% |
Questions about who owns Ambiq Micro, Inc.
Who owns Ambiq Micro, Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of Ambiq Micro, Inc.: Kpcb Xvi Associates, LLC (8.2%, Schedule 13G, filed 2025-11-03) and Blackrock, Inc. (6.7%, Schedule 13G/A, filed 2026-10-27).
Who are the largest shareholders of Ambiq Micro, Inc.?
By the share each holder's latest filing reports, the largest holders of Ambiq Micro, Inc. on this page are Kpcb Xvi Associates, LLC (8.2%) and Blackrock, Inc. (6.7%).
When did Kpcb Xvi Associates, LLC buy into Ambiq Micro, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Kpcb Xvi Associates, LLC on this page is the Schedule 13G, filed 2025-11-03, reporting 8.2%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 5 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Which insiders own Ambiq Micro, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Kleiner Perkins Caufield & Byers XVI, LLC, a 10% owner: 2,661,028 shares (11.0% of shares outstanding), held indirectly through By KPCB Holdings, Inc., as nominee and 1 other, on a joint filing (Form 4, 2025-07-31).
- KPCB XVI Associates, LLC, a 10% owner: 2,661,028 shares (11.0% of shares outstanding), held indirectly through By KPCB Holdings, Inc., as nominee and 1 other, on a joint filing (Form 4, 2025-07-31).
- , a director: 638,877 shares (2.6% of shares outstanding), 4,957 held directly and 633,920 indirectly (Form 4, 2026-06-10).
- , the chief executive and a director: 443,900 shares (1.8% of shares outstanding) (Form 4, 2026-10-16).
- , the chief technology officer and a director: 212,546 shares (0.88% of shares outstanding) (Form 4, 2026-10-16).
Shares outstanding: 24,184,536 as of 2026-08-07, from the company's latest SEC cover page.
How much has Ambiq Micro, Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2024-09-27 | $300K | $300K |
| Form D, 2024-07-29 | $2.41M | $2.41M |
| Form D, 2024-06-17 | $3.01M | $3.01M |
| Form D, 2024-05-28 | $5.59M | $5.59M |
| Form D, 2023-09-15 | $8.78M | $75M |
| Form D, 2022-11-04 | $111K | $111K |
Latest IPO step: Ambiq Micro, Inc. filed its final IPO prospectus, ticker AMBQ (424B4, 2026-06-25).
IPO filings: 424B4, 2026-06-25, S-1, 2026-06-22, 424B4, 2026-01-26, S-1, 2026-01-21, 424B4, 2025-07-31; ticker AMBQ on New York Stock Exchange.
Keep reading
More on Ambiq Micro, Inc. and the records around it.
Ambiq Micro, Inc. elsewhere on the record
- IPO filing Jun 2026
Companies that share a holder
- T. Rowe Price Investment Management, Inc. also filed stake reports on 167 other companies: CABALETTA BIO INC (Nov 2026), MADISON SQUARE GARDEN SPORTS CORP (Nov 2026), MSG RANGERS CORP (Nov 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
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