Ambiq Micro, Inc. (AMBQ) Institutional Ownership & Insider Trading
183 institutions reported holding Ambiq Micro, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 79 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 1.2B
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 10 Nov, in 16 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters183 institutions held 69.8% of the shares. Across filers that reported both quarters, shares held changed +64.9%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 183 | 17 | +64.9% | 49 | 92 | 30 | 6 |
| Mar 26 | 97 | 11 | — | — | — | — | — |
| Dec 25 | 74 | 5 | +0.9% | 25 | 14 | 17 | 14 |
| Sep 25 | 72 | 4 | — | — | — | — | — |
Ambiq Micro, Inc. — questions
- Who owns Ambiq Micro, Inc. stock?
- 183 institutions reported Ambiq Micro, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (5.7%), T. Rowe Price Investment Management, Inc. (4.2%), D. E. Shaw & Co., Inc. (4.1%).
- Are Ambiq Micro, Inc. insiders buying or selling?
- 79 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Ambiq Micro, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.