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Alpha & Omega (AOSL)
NASDAQ
$26.86+$0.46 (+1.76%)
Price as of Aug 21, 2026 7:58 PM EDT- $688.5MMarket Cap
- -8.50%1-Year Change
- SemiconductorsIndustry
Alpha & Omega (AOSL)
$26.86+$0.46 (+1.76%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 14.22% | 4.3M | +351,752 (+8.26%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 13.13% | 3.9M | +135,340 (+3.44%) | Dec 31, 2024 |
BLACKROCK INC. | 12.46% | 3.7M | -29,501 (-0.79%) | Jun 30, 2024 |
VANGUARD GROUP INC | 8.10% | 2.4M | -29,655 (-1.22%) | Dec 31, 2025 |
STATE STREET CORP | 7.84% | 2.3M | +945,898 (+40.29%) | Jun 30, 2026 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE | 4.59% | 1.4M | -199,379 (-14.50%) | Jun 30, 2026 |
DIMENSIONAL FUND ADVISORS LP | 4.46% | 1.3M | -228,782 (-17.14%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
DFA INVESTMENT DIMENSIONS GROUP INC | 5.48% | 1.6M | 0 (0.00%) | Apr 30, 2026 |
VANGUARD INDEX FUNDS | 3.43% | 1.0M | +2,858 (+0.28%) | Mar 31, 2026 |
SPDR SERIES TRUST | 2.58% | 773,191 | 0 (0.00%) | Apr 30, 2026 |
VANGUARD WORLD FUND | 2.15% | 643,075 | +2,250 (+0.35%) | May 31, 2026 |
JOHN HANCOCK INVESTMENT TRUST | 1.76% | 525,818 | -86,353 (-16.42%) | Apr 30, 2026 |
FIDELITY SELECT PORTFOLIOS | 1.72% | 513,296 | 0 (0.00%) | May 31, 2026 |
Dimensional ETF Trust | 1.48% | 444,299 | +20,985 (+4.72%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions377.2M (77.45%)
- Mutual Funds107.4M (22.06%)
- Insiders2.4M (0.49%)
- Other0 (0.00%)
Insider Transactions
- 0.49% (2.4M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $82.4MAmount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $18.1MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Chang Mike F | Gift | Aug 13, 2026 | $0.00 | 3.0M | $0.00 | 560,540 |
Chien Joshua C. | Award | Jul 20, 2026 | $0.00 | 1,368 | $0.00 | 1,368 |
Chang Mike F | Gift | Jul 13, 2026 | $0.00 | 23,754 | $0.00 | 3.6M |
Xue Bing EVP-WW Sales & Bus Development | Sell | Jun 16, 2026 | $231,494.44 | 4,916 | $47.09 | 123,660 |
Chang Stephen Chunping Chief Executive Officer | Award | Mar 16, 2026 | $0.00 | 67,500 | $0.00 | 632,362 |
Liang Yifan CFO and Corp Secretary | Award | Mar 16, 2026 | $0.00 | 22,500 | $0.00 | 294,144 |
Chang Stephen Chunping Chief Executive Officer | In Kind | Mar 16, 2026 | $549,550.92 | 25,644 | $21.43 | 606,718 |
Xue Bing EVP-WW Sales & Bus Development | Sell | Mar 16, 2026 | $52,783.36 | 2,408 | $21.92 | 113,631 |
Chang Stephen Chunping Chief Executive Officer | In Kind | Mar 16, 2026 | $382,289.77 | 17,839 | $21.43 | 588,879 |
Liang Yifan CFO and Corp Secretary | In Kind | Mar 16, 2026 | $147,631.27 | 6,889 | $21.43 | 287,255 |
Chang Stephen Chunping Chief Executive Officer | Award | Mar 16, 2026 | $0.00 | 67,500 | $0.00 | 656,379 |
Xue Bing EVP-WW Sales & Bus Development | Award | Mar 16, 2026 | $0.00 | 15,000 | $0.00 | 128,631 |
Liang Yifan CFO and Corp Secretary | In Kind | Mar 16, 2026 | $98,792.30 | 4,610 | $21.43 | 282,645 |
Xue Bing EVP-WW Sales & Bus Development | In Kind | Mar 16, 2026 | $119,965.14 | 5,598 | $21.43 | 123,033 |
Liang Yifan CFO and Corp Secretary | Award | Mar 16, 2026 | $0.00 | 22,500 | $0.00 | 305,145 |
Xue Bing EVP-WW Sales & Bus Development | In Kind | Mar 16, 2026 | $76,805.12 | 3,584 | $21.43 | 119,449 |
Xue Bing EVP-WW Sales & Bus Development | Award | Mar 16, 2026 | $0.00 | 15,000 | $0.00 | 134,449 |
Chang Mike F | Buy | Mar 09, 2026 | $640,813.00 | 33,727 | $19.00 | 4.4M |
Xue Bing EVP-WW Sales & Bus Development | Sell | Feb 17, 2026 | $54,931.80 | 2,460 | $22.33 | 116,039 |
Xue Bing EVP-WW Sales & Bus Development | Sell | Jan 15, 2026 | $16,530.91 | 737 | $22.43 | 118,499 |
Li Wenjun Chief Operating Officer | In Kind | Jan 02, 2026 | $65,223.62 | 3,157 | $20.66 | 72,165 |
Liang Yifan CFO and Corp Secretary | In Kind | Jan 02, 2026 | $178,233.82 | 8,627 | $20.66 | 271,644 |
Chang Mike F | In Kind | Jan 02, 2026 | $345,022.00 | 16,700 | $20.66 | 4.3M |
Chang Stephen Chunping Chief Executive Officer | In Kind | Jan 02, 2026 | $247,961.32 | 12,002 | $20.66 | 564,862 |
Xue Bing EVP-WW Sales & Bus Development | In Kind | Jan 02, 2026 | $178,233.82 | 8,627 | $20.66 | 119,236 |
Xue Bing EVP-WW Sales & Bus Development | Sell | Dec 15, 2025 | $37,933.20 | 1,845 | $20.56 | 127,863 |
Xue Bing EVP-WW Sales & Bus Development | Sell | Nov 14, 2025 | $33,505.20 | 1,845 | $18.16 | 129,708 |
Li Hanqing | Award | Nov 11, 2025 | $0.00 | 5,681 | $0.00 | 23,800 |
OWYANG KING | Award | Nov 11, 2025 | $0.00 | 5,681 | $0.00 | 75,256 |
Chen Claudia | Award | Nov 11, 2025 | $0.00 | 5,681 | $0.00 | 32,253 |