Alpha and Omega Semiconductor Limited (AOSL) Institutional Ownership

Based on Q1 2026 13F filings, institutional ownership of Alpha and Omega Semiconductor Limited stands at 35.0%, held across 175 reporting institutions.

BlackRock, Inc. is the largest reported institutional holder of AOSL, with approximately 3,904,776 shares worth $0.09B as of Q1 2026.

Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of AOSL, including TWO SIGMA INVESTMENTS, LP, MILLENNIUM MANAGEMENT LLC.

Our composite Smart Money Score for AOSL is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

30 institutions opened new positions in AOSL during Q1 2026, while 23 fully exited. 112 added to existing positions and 31 trimmed.

AOSL institutional ownership rose by 2.54 percentage points quarter-over-quarter, with a net change of +7 holders.

The top 10 institutions account for 61.2% of all reported 13F value in AOSL, and the top 25 account for 81.9%.

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.