UCTT
Ultra Clean Holdings, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +6.7% ·
share flow -0.8% ·
net new positions +6.2%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 248.52K | $20.01M | n/a | −1 |
| Q2 2026 | 115 | +14 | 32.54M | $4.57B | +19 | −7 |
| Q1 2026 | 106 | +16 | 29.22M | $1.81B | +22 | −6 |
| Q4 2025 | 90 | 0 | 29.71M | $752.71M | n/a | n/a |
| Q3 2025 | 16 | +1 | 18.11M | $493.41M | +1 | n/a |
| Q2 2025 | 12 | 0 | 15.83M | $357.31M | n/a | n/a |
| Q1 2025 | 9 | -2 | 3.81M | $81.54M | n/a | −2 |
| Q4 2024 | 11 | -2 | 4.01M | $144.10M | n/a | −2 |
| Q3 2024 | 12 | +3 | 2.20M | $88.03M | +5 | −2 |
| Q2 2024 | 9 | n/a | 2.17M | $106.44M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.71M | -1.1% | $182.81M | 0.0% | ▼ Trim | 2 | SEC ↗ ×14 |
| 2 | The Vanguard Group ✦ (passive) | 4.70M | +1.5% | $128.01M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 1.76M | +1.6% | $48.08M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | JPMorgan Chase ✦ | 1.18M | n/a | $32.10M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 5 | Geode Capital Management ✦ (passive) | 1.12M | -0.4% | $30.47M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 6 | D. E. Shaw & Co. ✦ | 815.03K | -5.7% | $22.21M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | Morgan Stanley ✦ | 682.06K | n/a | $18.59M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 8 | Goldman Sachs Group ✦ | 559.03K | n/a | $15.23M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 9 | AQR Capital Management ✦ | 237.06K | +17.2% | $6.46M | 0.0% | ▲ Add | 6 | SEC ↗ ×5 |
| 10 | Citadel Advisors ✦ | 121.39K | +49.4% | $3.31M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 11 | Renaissance Technologies ✦ | 89.50K | -65.2% | $2.44M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 12 | Millennium Management ✦ | 53.59K | -34.6% | $1.46M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 40.35K | +5.4% | $1.10M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 14 | Marshall Wace ✦ | 18.39K | -6.8% | $500,992 | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 15 | Fidelity (FMR) ✦ | 12.82K | +19.8% | $349,239 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 16 | Bridgewater Associates ✦ | 10.39K | New | $283,209 | 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
| Bridgewater Associates | $283,209 | 0.0% |
Exited
| No tracked exits this quarter. |
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.