Ultra Clean Holdings, Inc.
In the published model solve dated 2026-Q2, anchored at $80.26, Ultra Clean Holdings, Inc. (UCTT) is priced for today's economics sustained for ~15.9 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. The narrative was composed June 28, 2026 from SEC EDGAR filings.
• Ultra Clean builds the subsystems that go inside semiconductor manufacturing equipment, a supplier one layer behind the big tool makers, and its fortunes track wafer-fab-equipment spending, which customers project at $140 billion to $145 billion in 2026, implying 18% to 20% growth [Source: UCTT Q1 2026 earnings call, 2026]. • The single most decisive number is gross margin: at 16.5% in Q1 2026 [Source: UCTT Q1 2026 results, 2026], it is thin enough that small swings in volume move the company
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319 institutional managers reported holding UCTT in 13F filings for the quarter ended 2026-03-31. 108 opened new positions that quarter. Held by BlackRock, Vanguard Group, State Street, among others. On the short side, 3.5M shares were sold short as of the 2026-06-15 count, about 8% of shares outstanding (2.7 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
UCTT's share count grew 4.6% over the past five years even with $84.90M spent on repurchases. It pays no dividend. Cash returned over the past three years: $49.10M in repurchases.
Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.
Open-market insider buys at UCTT over the trailing three years: 2024: 5 buys totaling $943k; 2025: 5 buys totaling $543k. 18 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
UCTT's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-05-06 | -0.4% | +27.2% |
| 2023-08-12 | -5.7% | -21.1% |
| 2023-11-08 | +4.5% | +31.1% |
| 2024-03-07 | +6.2% | -5.3% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
UCTT's latest 8-K filings: 2026-08-06 (items 5.02, 9.01); 2026-08-03 (items 2.02, 9.01); 2026-07-08 (items 5.02, 9.01); 2026-05-26 (items 5.07); 2026-04-28 (items 9.01).
Item codes are the SEC's own classification of what each report discloses. Dates link to the filing on EDGAR. Nothing here is investment advice.
Model solve date: 2026-Q2
Narrative composed: June 28, 2026
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For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.