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AMBIQ MICRO INC (AMBQ)

Name: AMBIQ MICRO INC (AMBQ) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Technology · SEC CIK 0001500412 · EDGAR filings · Updated 2026-07-27

AMBIQ MICRO INC (AMBQ) has reported institutional ownership of 51.7%, with 97 institutional managers holding positions valued at $281.5M per the latest 13F reporting period.

Institutional ownership

51.7%

Institutional managers

Reported 13F value

$281.5M

Insider activity

23 trans.

−$551.8K net selling

Filings this week (1)

2026-07-27 — SCHEDULE 13G filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

2026-06-25 — Prospectus supplement (424B4) filed
2026-06-23 — EFFECT filed
2026-06-23 — S-1MEF filed
2026-06-22 — Registration statement (S-1) filed
2026-06-11 — DRS filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, AMBIQ MICRO INC has 97 institutional holders and institutional ownership of 51.7%.

Insider activity

Insiders reported 23 transactions (0 buys, 2 sells) across 10 reporting insiders, with a net reported value of −$551.8K.

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See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-27.