Ambiq Micro shares owned by Vanguard Portfolio Management
Quarter-by-quarter ownership of Ambiq Micro (AMBQ) shares owned by Vanguard Portfolio Management
from 13F filings
Historical chart of Vanguard Portfolio Management investment in Ambiq Micro
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Quarterly reported holdings in Ambiq Micro by Vanguard Portfolio Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-06-30 | $15M | 170k | 88.30 |
| 2026-03-31 | $4.0M | 159k | 25.41 |