Ambiq Micro, Inc. (AMBQ) ownership: Top institutional holder: T. Rowe Price Investment Management, Inc. ($32.21M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 1267551.00 | $32.21M | 2026-03-31 |
| BlackRock, Inc. | 1013161.00 | $25.74M | 2026-03-31 |
| Atreides Management, LP | 862175.00 | $21.91M | 2026-03-31 |
| ALLIANCEBERNSTEIN L.P. | 686098.00 | $19.55M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 707404.00 | $17.98M | 2026-03-31 |
| Schonfeld Strategic Advisors LLC | 656552.00 | $16.68M | 2026-03-31 |
| FRANKLIN RESOURCES INC | 542216.00 | $13.78M | 2026-03-31 |
| KADENSA CAPITAL Ltd | 394991.00 | $11.26M | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-05-27 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.