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ALPHA & OMEGA SEMICONDUCTOR (AOSL)

Institutional ownership, SEC filings and insider activity

Sector: Technology · SEC CIK 0001387467 · EDGAR filings · Updated 2026-07-21

ALPHA & OMEGA SEMICONDUCTOR (AOSL) has reported institutional ownership of 74.0%, with 179 institutional managers holding positions valued at $490.1M per the latest 13F reporting period. SEC filings include an active substantial-doubt (going concern) disclosure per the filings.

Latest updates

• 2026-07-21 — Insider transaction reported (Form 4)
• 2026-07-17 — Insider transaction reported (Form 4)
• 2026-07-17 — Initial insider ownership filed (Form 3)
• 2026-07-16 — Notice of proposed sale filed (Form 144)
• 2026-07-15 — Insider transaction reported (Form 4)
• 2026-07-14 — SCHEDULE 13G/A filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, ALPHA & OMEGA SEMICONDUCTOR has 179 institutional holders and institutional ownership of 74.0%.

Insider activity

Insiders reported 49 transactions (1 buys, 6 sells) across 12 reporting insiders, with a net reported value of $401.3K.

Data flags from SEC filings

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