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Security record · archived quarter

AOSL

Alpha and Omega Semiconductor Limited · Technology · Semiconductors

21.75 -6.8% mkt cap $659.14M quote delayed (FMP) · as of Oct 16 22:08 UTC · separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
72Tracked holders
+1Δ holders
16.75MShares held
$370.74MReported value
+6New positions
−5Exits
Stable Conviction score 38/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +1.4% · share flow -3.3% · net new positions +1.4% · formula
Ownership fragmentation: more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 3.90M -0.1% $86.53M 0.0% ▼ Trim 4 SEC ↗ ×11
2 Manufacturers Life Insurance… 1.57M -3.3% $34.89M 0.0% ▼ Trim 2 SEC ↗
3 Dimensional Fund Advisors Lp 1.56M -1.3% $34.65M 0.0% ▼ Trim 2 SEC ↗ ×4
4 State Street Global Advisors ✦ (passive) 1.40M -4.9% $31.06M 0.0% ▼ Trim 6 SEC ↗
5 Vanguard Capital Management Llc 1.05M n/a $23.30M 0.0% n/c 1 SEC ↗
6 Wellington Management ✦ 694.81K -32.3% $15.40M 0.0% ▼ Trim 8 SEC ↗ ×3
7 Geode Capital Management ✦ (passive) 628.67K +2.9% $13.93M 0.0% ▲ Add 8 SEC ↗ ×2
8 Two Sigma Investments ✦ 553.01K +98.8% $12.25M 0.0% ▲ Add 7 SEC ↗
9 Fidelity (FMR) ✦ 544.71K +5.8% $12.07M 0.0% ▲ Add 4 SEC ↗ ×2
10 Charles Schwab Investment… 420.43K +6.8% $9.32M 0.0% ▲ Add 2 SEC ↗
11 Invesco Ltd. 375.77K -1.6% $8.33M 0.0% ▼ Trim 2 SEC ↗ ×5
12 Connor, Clark & Lunn Investment… 336.72K +64.6% $7.46M 0.0% ▲ Add 2 SEC ↗
13 JPMorgan Chase ✦ 344.03K +44.8% $7.17M 0.0% ▲ Add 3 SEC ↗ ×4
14 D. E. Shaw & Co. ✦ 279.59K +74.1% $6.20M 0.0% ▲ Add 2 SEC ↗
15 Goldman Sachs Group ✦ 267.68K -40.1% $5.93M 0.0% ▼ Trim 3 SEC ↗ ×2
16 Northern Trust Corp 246.79K +4.6% $5.47M 0.0% ▲ Add 2 SEC ↗ ×6
17 Millennium Management ✦ 197.78K +229.7% $4.38M 0.0% ▲ Add 4 SEC ↗
18 Morgan Stanley ✦ 196.90K -13.7% $4.36M 0.0% ▼ Trim 3 SEC ↗ ×7
19 UBS Group AG 188.74K -13.1% $4.18M 0.0% ▼ Trim 2 SEC ↗ ×2
20 AQR Capital Management ✦ 141.66K +72.7% $3.14M 0.0% ▲ Add 5 SEC ↗ ×4
21 Bank of New York Mellon Corp 139.53K -4.0% $3.09M 0.0% ▼ Trim 2 SEC ↗ ×7
22 Point72 Asset Management ✦ 129.29K New $2.87M 0.0% New 1 SEC ↗
23 Bank Of America Corp /De/ 127.69K -42.3% $2.83M 0.0% ▼ Trim 2 SEC ↗ ×3
24 Principal Financial Group Inc 120.08K +1.0% $2.66M 0.0% ▲ Add 2 SEC ↗ ×2
25 Bnp Paribas Financial Markets 105.27K +1599.8% $2.33M 0.0% ▲ Add 2 SEC ↗
26 Sei Investments Co 83.83K +0.3% $1.86M 0.0% ▲ Add 2 SEC ↗ ×2
27 State Of Wisconsin Investment Board 78.50K +97.4% $1.74M 0.0% ▲ Add 2 SEC ↗
28 Rhumbline Advisers 72.05K +1.4% $1.60M 0.0% ▲ Add 2 SEC ↗
29 Tudor Investment Corp Et Al 69.55K +351.6% $1.54M 0.0% ▲ Add 2 SEC ↗
30 American Century Companies Inc 58.33K -1.0% $1.29M 0.0% ▼ Trim 2 SEC ↗
31 Legal & General Group Plc 56.81K -13.3% $1.26M 0.0% ▼ Trim 2 SEC ↗ ×3
32 Franklin Resources Inc 56.33K +177.8% $1.25M 0.0% ▲ Add 2 SEC ↗ ×4
33 Ameriprise Financial Inc 53.93K +17.8% $1.20M 0.0% ▲ Add 2 SEC ↗
34 Swiss National Bank 50.40K 0.0% $1.12M 0.0% Held 2 SEC ↗
35 Deutsche Bank Ag\ 49.54K +5.3% $1.10M 0.0% ▲ Add 2 SEC ↗ ×2
36 Nuveen, LLC 48.42K +0.6% $1.07M 0.0% ▲ Add 2 SEC ↗ ×2
37 Susquehanna International Group, Llp 41.73K -30.8% $924,847 0.0% ▼ Trim 2 SEC ↗ ×2
38 UBS AM, a distinct business unit of… 40.03K +3.9% $887,131 0.0% ▲ Add 2 SEC ↗ ×3
39 First Eagle Investment Management… 40.00K New $886,400 0.0% New 1 SEC ↗
40 Quantinno Capital Management LP 37.25K +15.2% $825,416 0.0% ▲ Add 2 SEC ↗
41 Citadel Advisors ✦ 36.43K -66.5% $807,377 0.0% ▼ Trim 2 SEC ↗ ×2
42 Russell Investments Group, Ltd. 34.08K -83.4% $755,232 0.0% ▼ Trim 2 SEC ↗ ×6
43 T. Rowe Price ✦ 32.82K +17.8% $728,000 0.0% ▲ Add 8 SEC ↗
44 Massachusetts Financial Services Co… 27.70K -2.6% $613,832 0.0% ▼ Trim 2 SEC ↗ ×2
45 Raymond James Financial Inc 23.82K +7.4% $527,741 0.0% ▲ Add 2 SEC ↗ ×2
46 California State Teachers… 23.78K -7.7% $527,053 0.0% ▼ Trim 2 SEC ↗
47 Marshall Wace ✦ 20.40K New $452,063 0.0% New 1 SEC ↗ ×2
48 HighTower Advisors, LLC 19.51K New $432,253 0.0% New 1 SEC ↗
49 Neuberger Berman Group LLC 18.98K New $420,685 0.0% New 1 SEC ↗ ×2
50 Alliancebernstein L.P. 20.50K -12.0% $406,105 0.0% ▼ Trim 2 SEC ↗
51 Creative Planning 15.92K New $352,876 0.0% New 1 SEC ↗
52 Janus Henderson Group Plc 13.48K 0.0% $298,895 0.0% Held 2 SEC ↗
53 MIRAE ASSET GLOBAL ETFS HOLDINGS… 11.92K +2.3% $264,236 0.0% ▲ Add 2 SEC ↗
54 Canada Pension Plan Investment Board 10.20K +229.0% $226,032 0.0% ▲ Add 2 SEC ↗
55 Wells Fargo & Company/Mn 10.07K -65.9% $223,195 0.0% ▼ Trim 2 SEC ↗ ×3
56 Barclays Plc 8.59K -79.8% $190,443 0.0% ▼ Trim 2 SEC ↗ ×3
57 Zurcher Kantonalbank (Zurich… 8.45K +6.5% $187,141 0.0% ▲ Add 2 SEC ↗
58 Royal Bank Of Canada 7.94K -11.2% $175,000 0.0% ▼ Trim 2 SEC ↗ ×2
59 New York State Common Retirement… 7.80K 0.0% $172,759 0.0% Held 2 SEC ↗
60 Jones Financial Companies Lllp 7.49K +3534.0% $165,066 0.0% ▲ Add 2 SEC ↗
61 Citigroup Inc 6.77K -22.4% $150,001 0.0% ▼ Trim 2 SEC ↗ ×2
62 Simplex Trading, Llc 5.02K -44.6% $111,243 0.0% ▼ Trim 2 SEC ↗
63 Northwestern Mutual Wealth… 2.21K 0.0% $48,863 0.0% Held 2 SEC ↗
64 Cwm, Llc 1.73K +58.6% $38,248 0.0% ▲ Add 2 SEC ↗
65 Federated Hermes, Inc. 1.64K +67.8% $36,254 0.0% ▲ Add 2 SEC ↗
66 Pnc Financial Services Group, Inc. 1.38K -8.7% $30,492 0.0% ▼ Trim 2 SEC ↗ ×5
67 Us Bancorp \De\ 788 -0.5% $17,462 0.0% ▼ Trim 2 SEC ↗
68 Optiver Holding B.V. 546 +680.0% $12,099 0.0% ▲ Add 2 SEC ↗
69 BNP Paribas Asset Management… 495 +19.6% $10,969 0.0% ▲ Add 2 SEC ↗
70 Osaic Holdings, Inc. 432 -20.4% $9,573 0.0% ▼ Trim 2 SEC ↗
71 Fifth Third Bancorp 190 +4.4% $4,210 0.0% ▲ Add 2 SEC ↗
72 Rockefeller Capital Management L.P. 10 0.0% $222 0.0% Held 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Point72 Asset Management $2.87M 0.0%
First Eagle Investment… $886,400 0.0%
Marshall Wace $452,063 0.0%
HighTower Advisors, LLC $432,253 0.0%
Neuberger Berman Group LLC $420,685 0.0%
Creative Planning $352,876 0.0%

Exited

Boston Partners $13.65M was 0.0%
Jane Street Group, Llc $2.14M was 0.0%
Voya Investment Management Llc $483,087 was 0.0%
Renaissance Technologies $208,005 was 0.0%
Group One Trading Llc $13,748 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.

Beneficial ownership
Aug 10 SC 13G/A: Chang Mike F

View original SEC filing ↗

Aug 07 SC 13G: STATE STREET CORP

View original SEC filing ↗

Jul 14 SC 13G/A: DIMENSIONAL FUND ADVISORS LP

View original SEC filing ↗

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: Q1 2026 · Methodology · Get this via the API