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Security record · archived quarter

AOSL

Alpha and Omega Semiconductor Limited · Technology · Semiconductors

26.62 +2.8% mkt cap $796.73M quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
15Tracked holders
0Δ holders
11.36MShares held
$317.59MReported value
+1New positions
−1Exits
Stable Conviction score 48/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +2.4% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 74 +5 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
Holder count
Who holds it · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
2 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
3 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
4 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
5 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
6 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
7 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
8 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
9 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
10 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
11 BlackRock (passive) 3.85M -0.3% $107.51M 0.0% ▼ Trim 2 SEC ↗
12 The Vanguard Group (passive) 2.45M +1.4% $68.61M 0.0% ▲ Add 2 SEC ↗
13 The Vanguard Group (passive) 2.45M +1.4% $68.61M 0.0% ▲ Add 2 SEC ↗
14 The Vanguard Group (passive) 2.45M +1.4% $68.61M 0.0% ▲ Add 2 SEC ↗
15 The Vanguard Group (passive) 2.45M +1.4% $68.61M 0.0% ▲ Add 2 SEC ↗
16 The Vanguard Group (passive) 2.45M +1.4% $68.61M 0.0% ▲ Add 2 SEC ↗
17 State Street Global Advisors (passive) 1.21M -5.2% $33.89M 0.0% ▼ Trim 4 SEC ↗
18 Wellington Management 864.97K +15.0% $24.18M 0.0% ▲ Add 6 SEC ↗
19 Wellington Management 864.97K +15.0% $24.18M 0.0% ▲ Add 6 SEC ↗
20 Wellington Management 864.97K +15.0% $24.18M 0.0% ▲ Add 6 SEC ↗
21 Millennium Management 637.88K +57.5% $17.84M 0.0% ▲ Add 2 SEC ↗
22 Geode Capital Management (passive) 607.48K +1.0% $16.99M 0.0% ▲ Add 6 SEC ↗
23 Geode Capital Management (passive) 607.48K +1.0% $16.99M 0.0% ▲ Add 6 SEC ↗
24 Fidelity (FMR) 515.04K +0.1% $14.40M 0.0% ▲ Add 2 SEC ↗
25 Fidelity (FMR) 515.04K +0.1% $14.40M 0.0% ▲ Add 2 SEC ↗
26 Goldman Sachs Group 370.35K $10.35M 0.0% n/c 1 SEC ↗
27 Goldman Sachs Group 370.35K $10.35M 0.0% n/c 1 SEC ↗
28 JPMorgan Chase 317.69K $8.88M 0.0% n/c 1 SEC ↗
29 JPMorgan Chase 317.69K $8.88M 0.0% n/c 1 SEC ↗
30 JPMorgan Chase 317.69K $8.88M 0.0% n/c 1 SEC ↗
31 JPMorgan Chase 317.69K $8.88M 0.0% n/c 1 SEC ↗
32 JPMorgan Chase 317.69K $8.88M 0.0% n/c 1 SEC ↗
33 JPMorgan Chase 317.69K $8.88M 0.0% n/c 1 SEC ↗
34 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
35 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
36 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
37 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
38 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
39 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
40 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
41 Morgan Stanley 262.82K $7.35M 0.0% n/c 1 SEC ↗
42 Two Sigma Investments 162.32K -17.6% $4.54M 0.0% ▼ Trim 5 SEC ↗
43 AQR Capital Management 60.10K +1.0% $1.68M 0.0% ▲ Add 3 SEC ↗
44 AQR Capital Management 60.10K +1.0% $1.68M 0.0% ▲ Add 3 SEC ↗
45 AQR Capital Management 60.10K +1.0% $1.68M 0.0% ▲ Add 3 SEC ↗
46 AQR Capital Management 60.10K +1.0% $1.68M 0.0% ▲ Add 3 SEC ↗
47 AQR Capital Management 60.10K +1.0% $1.68M 0.0% ▲ Add 3 SEC ↗
48 T. Rowe Price 26.64K +3.2% $745,000 0.0% ▲ Add 6 SEC ↗
49 Marshall Wace 12.22K New $341,615 0.0% New 1 SEC ↗
50 Marshall Wace 12.22K New $341,615 0.0% New 1 SEC ↗
51 Gotham Asset Management 9.98K -27.8% $278,985 0.0% ▼ Trim 3 SEC ↗

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

New buyers

Marshall Wace $341,615 0.0%
Marshall Wace $341,615 0.0%

Exited

Citadel Advisors $525,337 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: Q3 2025 · Methodology · Get this via the API