Ambiq Micro, Inc. (AMBQ)
- Sector
- Technology
- Industry
- Semiconductors
- Last price
- $54.86
- As of
Kresmion compiles this page from AMBQ's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
Ambiq Micro, Inc. (AMBQ): 6 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 10-Q filed 2026-08-11.
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Preview the AMBQ dossierActive events for AMBQ
- high13F: funds added
8 tracked funds increased AMBQ this 2026Q2, institutional consensus
- mediumEarnings above estimates
Q2-2026: Beat consensus by 73.2%, EPS $-0.07 vs $-0.2616 estimate
- high13F: large reduction
CITADEL ADVISORS LLC cut 61% of AMBQ (2026Q2)
- high13F: large increase
CITADEL ADVISORS LLC added +104% to AMBQ (2026Q2)
- high13F: funds added
5 tracked funds increased AMBQ this 2026Q2, institutional consensus
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Every event on AMBQ, as it fires
You are seeing 5 of 17 events recorded on AMBQ since 2026-05-16.
The five above landed across 3 days. The other 12 were recorded on 2 other days. 10 of the 17 are institutional flow rows, which arrive in batches on filing days.
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Largest reported share positions in AMBQ (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| D. E. Shaw & Co., Inc.CUSIP 023193105 · 2026Q2 | $86.9M | 0.04% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 023193105 · 2026Q2 | $57.6M | 0.04% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP 023193105 · 2026Q2 | $25.5M | 0.01% | , |
| RENAISSANCE TECHNOLOGIES LLCCUSIP 023193105 · 2026Q2 | $19M | 0.03% | , |
| CITADEL ADVISORS LLCCUSIP 023193105 · 2026Q2 | $10.8M | 0.00% | , |
| Point72 Asset Management, L.P.CUSIP 023193105 · 2026Q2 | $6.8M | 0.01% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, AMBQ
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
AMBQ against its peers
AMBQ's operating margin of -54.5% ranks in the 11th percentile of 22 Semiconductors sub-industry peers, fiscal periods ending between 2025-10-04 and 2026-06-30.
| Metric | AMBQ | Peer median | Percentile | n |
|---|---|---|---|---|
| Revenue FY | 72.5M USD | 664M USD | 23 | 23 |
| Gross margin | 44.3% | 35.3% | 66 | 21 |
| Operating margin | -54.5% | -2.9% | 11 | 22 |
| Net margin | -50.3% | -6.2% | 15 | 23 |
| Return on equity | -22.4% | -3.2% | 24 | 22 |
| P / E | n/a | 50.6x | n/a | 8 |
Peers (23): SKYT.D, PLAB, AIP, SEDG, POET, HIMX, AEHR, CEVA, NVTS, COHU, UCTT, DQ, AOSL, VECO, POWI, CSIQ, AMBA, ENPH, ACLS, ACMR, DIOD, RGTI, KLIC. Left out: WOLF (no annual filing), IMOS (period gap). Fiscal periods ending between 2025-10-04 and 2026-06-30. Every figure is one full fiscal year read from one annual filing (AMBQ: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.
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