AOSL · Insider trading · 13F holders · Congress trades
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
Who is buying and selling AOSL: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 5
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 1
AOSL at a glance
- No open-market insider purchases or sales of AOSL were filed in the last 90 days.
- 5 13F filers hold AOSL among their 50 largest positions, worth $26.9M combined. The biggest bets by portfolio weight are Weber Capital Management LLC /adv (13.5%), Apis Capital Advisors, LLC (0.9%) and Mork Capital Management, LLC (0.9%).
- Members of Congress have disclosed 1 AOSL trade since 2021, 0 purchases and 1 sale in the past year; the latest was Tom Malinowski (D-NJ), selling $1K–15K on Feb 16, 2021.
- AOSL last closed at $23.31 on Oct 30, 2026.
AOSL insider trading
No open-market insider purchases or sales of AOSL were filed in the last 90 days.
Who owns AOSL? Hedge funds and superinvestors
5 13F filers hold AOSL among their 50 largest positions, worth $26.9M combined. The biggest bets by portfolio weight are Weber Capital Management LLC /adv (13.5%), Apis Capital Advisors, LLC (0.9%) and Mork Capital Management, LLC (0.9%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Weber Capital Management LLC /advHedge fund | 13.5% | $14.8M | 536,737 | -0.3% shares | Q3 2026 |
| Apis Capital Advisors, LLCHedge fund | 0.9% | $9.8M | 206,280 | — | Q2 2026 |
| Mork Capital Management, LLCHedge fund | 0.9% | $1.4M | 30,000 | — | Q2 2026 |
| Arosa Capital Management LPHedge fund | 0.6% | $710K | 15,000 | -50.0% shares | Q2 2026 |
| Overbrook Management CorpWealth manager | 0.0% | $228K | 8,304 | — | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 3). Screen AOSL in the grand portfolio →
AOSL stock trades by members of Congress
Members of Congress have disclosed 1 AOSL trade since 2021, 0 purchases and 1 sale in the past year; the latest was Tom Malinowski (D-NJ), selling $1K–15K on Feb 16, 2021.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Mar 6, 2021 | Tom MalinowskiD-NJ · House | Sale | $1K–15K | Feb 16, 2021 | -41.0% |
AOSL questions and answers
Are insiders buying AOSL stock?
No open-market insider purchases or sales of AOSL were filed in the last 90 days.
Which hedge funds own AOSL?
5 13F filers hold AOSL among their 50 largest positions, worth $26.9M combined. The biggest bets by portfolio weight are Weber Capital Management LLC /adv (13.5%), Apis Capital Advisors, LLC (0.9%) and Mork Capital Management, LLC (0.9%).
Has Congress traded AOSL?
Members of Congress have disclosed 1 AOSL trade since 2021, 0 purchases and 1 sale in the past year; the latest was Tom Malinowski (D-NJ), selling $1K–15K on Feb 16, 2021.
Who is the largest holder of AOSL?
Among 13F filers, Weber Capital Management LLC /adv reports the largest AOSL position, $14.8M (536,737 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is Weber Capital Management LLC /adv's: 13.5% of its portfolio.
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