UCTT
Ultra Clean Holdings, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +1.5% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 117 | +15 | 32.54M | $4.57B | +20 | −6 |
| Q1 2026 | 106 | +16 | 29.22M | $1.81B | +22 | −6 |
| Q4 2025 | 90 | 0 | 29.71M | $752.71M | — | — |
| Q3 2025 | 16 | +1 | 18.11M | $493.41M | +1 | — |
| Q2 2025 | 12 | 0 | 15.83M | $357.31M | — | — |
| Q1 2025 | 9 | -2 | 3.81M | $81.54M | — | −2 |
| Q4 2024 | 11 | -2 | 4.01M | $144.10M | — | −2 |
| Q3 2024 | 12 | +3 | 2.20M | $88.03M | +5 | −2 |
| Q2 2024 | 9 | — | 2.17M | $106.44M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 1.05M | +1.0% | $41.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.05M | +1.0% | $41.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Millennium Management ✦ | 263.00K | +1937.2% | $10.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 227.69K | New | $9.09M | 0.0% | New | 1 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 227.69K | New | $9.09M | 0.0% | New | 1 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 197.89K | +66.2% | $7.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Fisher Asset Management ✦ | 158.41K | +5.4% | $6.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 84.65K | New | $3.38M | 0.0% | New | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 81.05K | +180.9% | $3.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 81.05K | +180.9% | $3.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 71.10K | +151.7% | $2.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 71.10K | +151.7% | $2.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | Marshall Wace ✦ | 42.22K | New | $1.69M | 0.0% | New | 1 | SEC ↗ |
| 14 | Marshall Wace ✦ | 42.22K | New | $1.69M | 0.0% | New | 1 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 16.40K | -58.4% | $655,012 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 9.57K | New | $382,130 | 0.0% | New | 1 | SEC ↗ |
| 17 | Point72 Asset Management ✦ | 4.78K | New | $190,896 | 0.0% | New | 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. | $9.09M | 0.0% |
| D. E. Shaw & Co. | $9.09M | 0.0% |
| Two Sigma Investments | $3.38M | 0.0% |
| Marshall Wace | $1.69M | 0.0% |
| Marshall Wace | $1.69M | 0.0% |
| Gotham Asset Management | $382,130 | 0.0% |
| Point72 Asset Management | $190,896 | 0.0% |
Exited
| Wellington Management | $26.02M | was 0.0% |
| Adage Capital Partners | $11.03M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 327 holders, 44.65M shares, $2.68B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.