Security record · archived quarter
AOSL
Alpha and Omega Semiconductor Limited · Technology · Semiconductors
71Tracked holders
+1Δ holders
18.69MShares held
$370.32MReported value
+3New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +1.4% ·
share flow +1.3% ·
net new positions +1.4%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 74 | +6 | 18.11M | $856.20M | +10 | −5 |
| Q1 2026 | 72 | +1 | 16.75M | $370.74M | +6 | −5 |
| Q4 2025 | 71 | +1 | 18.69M | $370.32M | +3 | −2 |
| Q3 2025 | 15 | 0 | 11.36M | $317.59M | +1 | −1 |
| Q2 2025 | 12 | +1 | 10.15M | $260.36M | +1 | — |
| Q1 2025 | 8 | 0 | 3.00M | $74.59M | +2 | −2 |
| Q4 2024 | 8 | -2 | 3.02M | $111.87M | — | −2 |
| Q3 2024 | 9 | -1 | 1.77M | $65.68M | +1 | −2 |
| Q2 2024 | 10 | — | 2.04M | $76.25M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.91M | +1.6% | $77.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | The Vanguard Group ✦ (passive) | 2.42M | -1.2% | $48.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 2.42M | -1.2% | $48.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 2.42M | -1.2% | $48.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 2.42M | -1.2% | $48.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 2.42M | -1.2% | $48.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Manufacturers Life Insurance… | 1.63M | — | $32.26M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 1.58M | — | $31.38M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 1.58M | — | $31.38M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 1.58M | — | $31.38M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 1.58M | — | $31.38M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 1.47M | +21.6% | $29.20M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Wellington Management ✦ | 1.03M | +18.6% | $20.32M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 24 | Wellington Management ✦ | 1.03M | +18.6% | $20.32M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 25 | Wellington Management ✦ | 1.03M | +18.6% | $20.32M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 26 | Boston Partners | 689.14K | — | $13.65M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 611.09K | +0.6% | $12.11M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 611.09K | +0.6% | $12.11M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 29 | Fidelity (FMR) ✦ | 515.10K | 0.0% | $10.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Fidelity (FMR) ✦ | 515.10K | 0.0% | $10.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Goldman Sachs Group ✦ | 447.02K | +20.7% | $8.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 447.02K | +20.7% | $8.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Charles Schwab Investment… | 393.77K | — | $7.80M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Invesco Ltd. | 381.77K | — | $7.56M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Invesco Ltd. | 381.77K | — | $7.56M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Invesco Ltd. | 381.77K | — | $7.56M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Invesco Ltd. | 381.77K | — | $7.56M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Invesco Ltd. | 381.77K | — | $7.56M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Two Sigma Investments ✦ | 278.12K | +71.3% | $5.51M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 237.56K | -25.2% | $4.71M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 237.56K | -25.2% | $4.71M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 237.56K | -25.2% | $4.71M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 237.56K | -25.2% | $4.71M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Northern Trust Corp | 235.87K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Bank Of America Corp /De/ | 221.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Bank Of America Corp /De/ | 221.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Bank Of America Corp /De/ | 221.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Bank Of America Corp /De/ | 221.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | UBS Group AG | 217.12K | — | $4.30M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | UBS Group AG | 217.12K | — | $4.30M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | UBS Group AG | 217.12K | — | $4.30M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 205.78K | — | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Connor, Clark & Lunn Investment… | 204.51K | — | $4.05M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | D. E. Shaw & Co. ✦ | 160.59K | New | $3.18M | 0.0% | New | 1 | SEC ↗ |
| 82 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Bank of New York Mellon Corp | 145.31K | — | $2.88M | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Principal Financial Group Inc | 118.90K | — | $2.36M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Principal Financial Group Inc | 118.90K | — | $2.36M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Citadel Advisors ✦ | 108.82K | New | $2.16M | 0.0% | New | 1 | SEC ↗ |
| 92 | Citadel Advisors ✦ | 108.82K | New | $2.16M | 0.0% | New | 1 | SEC ↗ |
| 93 | Jane Street Group, Llc | 108.20K | — | $2.14M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Jane Street Group, Llc | 108.20K | — | $2.14M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Sei Investments Co | 83.62K | — | $1.66M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Sei Investments Co | 83.62K | — | $1.66M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | AQR Capital Management ✦ | 82.03K | +36.5% | $1.63M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 98 | AQR Capital Management ✦ | 82.03K | +36.5% | $1.63M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 99 | AQR Capital Management ✦ | 82.03K | +36.5% | $1.63M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 100 | AQR Capital Management ✦ | 82.03K | +36.5% | $1.63M | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| D. E. Shaw & Co. | $3.18M | 0.0% |
| Citadel Advisors | $2.16M | 0.0% |
| Citadel Advisors | $2.16M | 0.0% |
Exited
| Marshall Wace | $341,615 | was 0.0% |
| Gotham Asset Management | $278,985 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 178 holders, 21.80M shares, $470.98M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 10
SC 13G/A — Chang Mike F
Aug 07
SC 13G — STATE STREET CORP
Jul 14
SC 13G/A — DIMENSIONAL FUND ADVISORS LP
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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