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 | +7 | 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 | n/a |
| Q1 2025 | 8 | 0 | 3.00M | $74.59M | +2 | −2 |
| Q4 2024 | 8 | -2 | 3.02M | $111.87M | n/a | −2 |
| Q3 2024 | 9 | -1 | 1.77M | $65.68M | +1 | −2 |
| Q2 2024 | 10 | n/a | 2.04M | $76.25M | n/a | n/a |
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 ↗ ×11 |
| 2 | The Vanguard Group ✦ (passive) | 2.42M | -1.2% | $48.03M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | Manufacturers Life Insurance… | 1.63M | n/a | $32.26M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Dimensional Fund Advisors Lp | 1.58M | n/a | $31.38M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 5 | State Street Global Advisors ✦ (passive) | 1.47M | +21.6% | $29.20M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Wellington Management ✦ | 1.03M | +18.6% | $20.32M | 0.0% | ▲ Add | 7 | SEC ↗ ×3 |
| 7 | Boston Partners | 689.14K | n/a | $13.65M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 611.09K | +0.6% | $12.11M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 9 | Fidelity (FMR) ✦ | 515.10K | 0.0% | $10.20M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 10 | Goldman Sachs Group ✦ | 447.02K | +20.7% | $8.86M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Charles Schwab Investment… | 393.77K | n/a | $7.80M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Invesco Ltd. | 381.77K | n/a | $7.56M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 13 | Two Sigma Investments ✦ | 278.12K | +71.3% | $5.51M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 14 | JPMorgan Chase ✦ | 237.56K | -25.2% | $4.71M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 15 | Northern Trust Corp | 235.87K | n/a | $4.67M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 16 | Morgan Stanley ✦ | 228.23K | -13.2% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 17 | Bank Of America Corp /De/ | 221.30K | n/a | $4.38M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 18 | UBS Group AG | 217.12K | n/a | $4.30M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 19 | Russell Investments Group, Ltd. | 205.78K | n/a | $4.08M | 0.0% | n/c | 1 | SEC ↗ ×14 |
| 20 | Connor, Clark & Lunn Investment… | 204.51K | n/a | $4.05M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | D. E. Shaw & Co. ✦ | 160.59K | New | $3.18M | 0.0% | New | 1 | SEC ↗ |
| 22 | Bank of New York Mellon Corp | 145.31K | n/a | $2.88M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 23 | Principal Financial Group Inc | 118.90K | n/a | $2.36M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 24 | Citadel Advisors ✦ | 108.82K | New | $2.16M | 0.0% | New | 1 | SEC ↗ ×2 |
| 25 | Jane Street Group, Llc | 108.20K | n/a | $2.14M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 26 | Sei Investments Co | 83.62K | n/a | $1.66M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | AQR Capital Management ✦ | 82.03K | +36.5% | $1.63M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 28 | Rhumbline Advisers | 71.01K | n/a | $1.41M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Legal & General Group Plc | 65.56K | n/a | $1.30M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 30 | Susquehanna International Group, Llp | 60.34K | n/a | $1.20M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 31 | Millennium Management ✦ | 59.98K | -90.6% | $1.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | American Century Companies Inc | 58.91K | n/a | $1.17M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Swiss National Bank | 50.40K | n/a | $998,424 | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Nuveen, LLC | 48.15K | n/a | $953,832 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 35 | Deutsche Bank Ag\ | 47.06K | n/a | $932,239 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 36 | Ameriprise Financial Inc | 45.80K | n/a | $907,318 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Barclays Plc | 42.58K | n/a | $843,431 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 38 | State Of Wisconsin Investment Board | 39.77K | n/a | $787,804 | 0.0% | n/c | 1 | SEC ↗ |
| 39 | UBS AM, a distinct business unit of… | 38.54K | n/a | $763,458 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 40 | Quantinno Capital Management LP | 32.33K | n/a | $640,517 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Wells Fargo & Company/Mn | 29.57K | n/a | $585,802 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 42 | Massachusetts Financial Services Co… | 28.44K | n/a | $563,377 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 43 | T. Rowe Price ✦ | 27.86K | +4.6% | $552,000 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 44 | California State Teachers… | 25.76K | n/a | $510,365 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Voya Investment Management Llc | 24.39K | n/a | $483,087 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Alliancebernstein L.P. | 23.30K | n/a | $461,573 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Raymond James Financial Inc | 22.18K | n/a | $439,346 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Franklin Resources Inc | 20.28K | n/a | $401,766 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 49 | Tudor Investment Corp Et Al | 15.40K | n/a | $305,094 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Janus Henderson Group Plc | 13.48K | n/a | $267,070 | 0.0% | n/c | 1 | SEC ↗ |
| 51 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 11.65K | n/a | $230,826 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Renaissance Technologies ✦ | 10.50K | New | $208,005 | 0.0% | New | 1 | SEC ↗ |
| 53 | Simplex Trading, Llc | 9.06K | n/a | $179,399 | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Royal Bank Of Canada | 8.94K | n/a | $177,000 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 55 | Citigroup Inc | 8.72K | n/a | $172,684 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 56 | Zurcher Kantonalbank (Zurich… | 7.93K | n/a | $157,014 | 0.0% | n/c | 1 | SEC ↗ |
| 57 | New York State Common Retirement… | 7.80K | n/a | $154,439 | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Bnp Paribas Financial Markets | 6.19K | n/a | $122,683 | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Canada Pension Plan Investment Board | 3.10K | n/a | $61,411 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Northwestern Mutual Wealth… | 2.21K | n/a | $43,681 | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Pnc Financial Services Group, Inc. | 1.51K | n/a | $29,854 | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 62 | Cwm, Llc | 1.09K | n/a | $22,000 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Federated Hermes, Inc. | 975 | n/a | $19,315 | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Us Bancorp \De\ | 792 | n/a | $15,690 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Group One Trading Llc | 694 | n/a | $13,748 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Osaic Holdings, Inc. | 543 | n/a | $10,755 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | BNP Paribas Asset Management… | 414 | n/a | $8,000 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Jones Financial Companies Lllp | 206 | n/a | $4,081 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Fifth Third Bancorp | 182 | n/a | $3,605 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Optiver Holding B.V. | 70 | n/a | $1,387 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Rockefeller Capital Management L.P. | 10 | n/a | $198 | 0.0% | n/c | 1 | 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% |
| Renaissance Technologies | $208,005 | 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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