Latest Period
Q4 2025
- Info
- Insider Trading
- Financials
- Holders
Security Snapshot
Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share (AMBQ) Institutional Ownership
CUSIP: 023193105
13F Institutional Holders and Ownership History from Q3 2025 to Q1 2026
Institutions Reporting
73
Shares (Excl. Options)
4,714,303
Price
$28.50
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- Type / Class
- Equity / Common Stock, $0.000001 par value per share
- Symbol
- AMBQ on NYSE
- Shares outstanding
- 18,157,915
- Price per share
- $25.43
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 4,714,303
- Total reported value
- $134,369,120
- % of total 13F portfolios
- 0%
- Share change
- -88,757
- Value change
- -$3,072,837
- Number of holders
- 73
- Price from insider filings
- $25.43
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- AMBQ - Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share is tracked under CUSIP 023193105.
- 73 institutions reported positions in Q4 2025.
- 1 significant owner is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 73 to 10 between Q4 2025 and Q1 2026.
- Reported value moved from $134,369,120 to $8,106,938.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 73 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 023193105?
CUSIP 023193105 identifies AMBQ - Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 023193105:
Significant Owners of Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share (AMBQ) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Kleiner Perkins Caufield & Byers XVI, LLC | 8.2% | $44,549,354 | 1,488,949 | KPCB XVI Associates, LLC | 30 Sep 2025 |
As of 31 Dec 2025, 73 institutional investors reported holding 4,714,303 shares of Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share (AMBQ). This represents 26% of the company’s total 18,157,915 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share (AMBQ) together control 24% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Atreides Management, LP | 3.8% | 696,420 | +1.8% | 0.42% | $19,847,970 |
| ALLIANCEBERNSTEIN L.P. | 2.2% | 395,371 | -9.4% | 0% | $11,268,074 |
| KADENSA CAPITAL Ltd | 2.2% | 394,991 | 0% | 1.2% | $11,257,244 |
| VANGUARD GROUP INC | 1.8% | 328,182 | +6.6% | 0% | $9,353,188 |
| BlackRock, Inc. | 1.7% | 307,896 | +5.5% | 0% | $8,775,038 |
| FRANKLIN RESOURCES INC | 1.7% | 307,887 | 0% | 0% | $8,774,780 |
| Schonfeld Strategic Advisors LLC | 1.2% | 221,810 | -19% | 0.03% | $6,321,584 |
| WASATCH ADVISORS LP | 1.2% | 217,512 | +50% | 0.04% | $6,199,092 |
| First Eagle Investment Management, LLC | 1% | 189,723 | +222% | 0.01% | $5,407,106 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1% | 188,690 | 0% | 0.04% | $5,377,665 |
| SOFTBANK GROUP CORP. | 0.82% | 148,939 | 0% | 0.03% | $4,244,762 |
| GOLDMAN SACHS GROUP INC | 0.73% | 132,112 | +8.8% | 0% | $3,765,193 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 0.68% | 123,597 | +32% | 0.1% | $3,522,515 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.57% | 104,184 | +6.3% | 0% | $2,969,806 |
| GILDER GAGNON HOWE & CO LLC | 0.52% | 93,745 | -2.1% | 0.03% | $2,671,733 |
| Monashee Investment Management LLC | 0.47% | 85,089 | -57% | 1.4% | $2,425,037 |
| STATE STREET CORP | 0.47% | 84,507 | +17% | 0% | $2,408,450 |
| MILLENNIUM MANAGEMENT LLC | 0.34% | 62,018 | 0% | $1,767,513 | |
| MAVERICK CAPITAL LTD | 0.33% | 59,248 | 0% | 0.02% | $1,688,568 |
| SEVEN GRAND MANAGERS, LLC | 0.28% | 50,000 | 0% | 0.11% | $1,425,000 |
| MORGAN STANLEY | 0.22% | 39,284 | +351% | 0% | $1,119,595 |
| PEAK6 LLC | 0.2% | 35,835 | -10% | 0.03% | $1,021,298 |
| UBS Group AG | 0.2% | 35,789 | -14% | 0% | $1,019,987 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.19% | 33,833 | +9.7% | 0% | $964,241 |
| Alyeska Investment Group, L.P. | 0.18% | 32,832 | +75% | 0% | $935,712 |