{
  "cik": 1275014,
  "cik_padded": "0001275014",
  "entityName": "Ultra Clean Holdings, Inc.",
  "fiscal_years": [
    {
      "accn": "0001628280-26-010744",
      "filed": "2026-02-23",
      "fiscal_year": 2025,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 3400000.0,
        "capex": 50300000.0,
        "cash": 311800000.0,
        "cost_of_revenue": 1731100000.0,
        "eps_diluted": -4.0,
        "free_cash_flow": 15300000.0,
        "gross_profit": 322900000.0,
        "net_income": -181200000.0,
        "operating_cash_flow": 65600000.0,
        "operating_income": -107400000.0,
        "revenue": 2054000000.0,
        "stockholders_equity": 711000000.0,
        "total_assets": 1729000000.0,
        "total_liabilities": 944900000.0
      },
      "period_end": "2025-12-26",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.15720545277507303,
        "leverage": 1.3289732770745428,
        "net_margin": -0.08821811100292112,
        "operating_margin": -0.05228821811100292,
        "revenue_growth_yoy": -0.020785659801678107,
        "roa_avg2y": -0.09931760256515662,
        "roa_period_end": -0.10480046269519953,
        "roe_avg2y": -0.22870124952669443,
        "roe_period_end": -0.2548523206751055
      }
    },
    {
      "accn": "0001628280-26-010744",
      "filed": "2026-02-23",
      "fiscal_year": 2024,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 0.0,
        "capex": 63500000.0,
        "cash": 313900000.0,
        "cost_of_revenue": 1741300000.0,
        "eps_diluted": 0.52,
        "free_cash_flow": 1500000.0,
        "gross_profit": 356300000.0,
        "net_income": 23700000.0,
        "operating_cash_flow": 65000000.0,
        "operating_income": 91200000.0,
        "revenue": 2097600000.0,
        "stockholders_equity": 873600000.0,
        "total_assets": 1919900000.0,
        "total_liabilities": 984100000.0
      },
      "period_end": "2024-12-27",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.16986079328756673,
        "leverage": 1.1264880952380953,
        "net_margin": 0.011298627002288331,
        "operating_margin": 0.043478260869565216,
        "revenue_growth_yoy": 0.20933986739694435,
        "roa_avg2y": 0.01251452106875066,
        "roa_period_end": 0.012344392937132142,
        "roe_avg2y": 0.027678832116788323,
        "roe_period_end": 0.02712912087912088
      }
    },
    {
      "accn": "0001628280-26-010744",
      "filed": "2026-02-23",
      "fiscal_year": 2023,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 29400000.0,
        "capex": 75800000.0,
        "cash": 307000000.0,
        "cost_of_revenue": 1457200000.0,
        "eps_diluted": -0.7,
        "free_cash_flow": 60100000.0,
        "gross_profit": 277300000.0,
        "net_income": -31100000.0,
        "operating_cash_flow": 135900000.0,
        "operating_income": 35200000.0,
        "revenue": 1734500000.0,
        "stockholders_equity": 838900000.0,
        "total_assets": 1867700000.0,
        "total_liabilities": 970500000.0
      },
      "period_end": "2023-12-29",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.1598731622946094,
        "leverage": 1.1568720944093456,
        "net_margin": -0.01793023926203517,
        "operating_margin": 0.020294032862496397,
        "revenue_growth_yoy": -0.26946889609569136,
        "roa_avg2y": -0.01624614741681032,
        "roa_period_end": -0.016651496493012796,
        "roe_avg2y": -0.03602038452629141,
        "roe_period_end": -0.037072356657527714
      }
    },
    {
      "accn": "0001628280-25-007865",
      "filed": "2025-02-25",
      "fiscal_year": 2022,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 12100000.0,
        "capex": 100100000.0,
        "cash": 358800000.0,
        "cost_of_revenue": 1909300000.0,
        "eps_diluted": 0.88,
        "free_cash_flow": -52900000.0,
        "gross_profit": 465000000.0,
        "net_income": 40400000.0,
        "operating_cash_flow": 47200000.0,
        "operating_income": 120400000.0,
        "revenue": 2374300000.0,
        "stockholders_equity": 887900000.0,
        "total_assets": 1960900000.0,
        "total_liabilities": 1023900000.0
      },
      "period_end": "2022-12-30",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.1958471970686097,
        "leverage": 1.1531704020723055,
        "net_margin": 0.017015541422735123,
        "operating_margin": 0.05070968285389379,
        "roa_avg2y": 0.02110432011701405,
        "roa_period_end": 0.020602784435718294,
        "roe_avg2y": 0.046522339935513586,
        "roe_period_end": 0.045500619439126026
      }
    },
    {
      "accn": "0000950170-24-027213",
      "filed": "2024-03-06",
      "fiscal_year": 2021,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 0.0,
        "capex": 59300000.0,
        "cash": 466500000.0,
        "eps_diluted": 2.69,
        "free_cash_flow": 152300000.0,
        "gross_profit": 430000000.0,
        "net_income": 119500000.0,
        "operating_cash_flow": 211600000.0,
        "operating_income": 185700000.0,
        "stockholders_equity": 848900000.0,
        "total_assets": 1867700000.0,
        "total_liabilities": 1132700000.0
      },
      "period_end": "2021-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 1.3343149958770173,
        "roa_avg2y": 0.08046596188808834,
        "roa_period_end": 0.06398243829308775,
        "roe_avg2y": 0.17300036192544335,
        "roe_period_end": 0.14077040876428318
      }
    },
    {
      "accn": "0000950170-23-005148",
      "filed": "2023-02-28",
      "fiscal_year": 2020,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 0.0,
        "capex": 36400000.0,
        "cash": 200300000.0,
        "eps_diluted": 1.89,
        "free_cash_flow": 60900000.0,
        "gross_profit": 291800000.0,
        "net_income": 77600000.0,
        "operating_cash_flow": 97300000.0,
        "operating_income": 121400000.0,
        "stockholders_equity": 532600000.0,
        "total_assets": 1102500000.0,
        "total_liabilities": 551300000.0
      },
      "period_end": "2020-12-25",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 1.0351107773188133,
        "roa_avg2y": 0.07314544254877933,
        "roa_period_end": 0.07038548752834467,
        "roe_avg2y": 0.16011554730217684,
        "roe_period_end": 0.14570033796470147
      }
    },
    {
      "accn": "0001564590-22-008065",
      "filed": "2022-03-01",
      "fiscal_year": 2019,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 26300000.0,
        "cash": 162500000.0,
        "eps_diluted": -0.24,
        "free_cash_flow": 94700000.0,
        "gross_profit": 196800000.0,
        "net_income": -9400000.0,
        "operating_cash_flow": 121000000.0,
        "operating_income": 29900000.0,
        "stockholders_equity": 436700000.0,
        "total_assets": 1019300000.0,
        "total_liabilities": 566800000.0
      },
      "period_end": "2019-12-27",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 1.2979161896038471,
        "roa_avg2y": -0.00947198710197501,
        "roa_period_end": -0.00922201510840773,
        "roe_avg2y": -0.021534936998854524,
        "roe_period_end": -0.021525074421799864
      }
    },
    {
      "accn": "0001564590-21-007569",
      "filed": "2021-02-23",
      "fiscal_year": 2018,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 26100000.0,
        "cash": 144100000.0,
        "eps_diluted": 0.94,
        "free_cash_flow": 15600000.0,
        "gross_profit": 175800000.0,
        "net_income": 36600000.0,
        "operating_cash_flow": 41700000.0,
        "operating_income": 60700000.0,
        "stockholders_equity": 436300000.0,
        "total_assets": 965500000.0,
        "total_liabilities": 514500000.0
      },
      "period_end": "2018-12-28",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 1.1792344716937886,
        "roa_avg2y": 0.047877183251881075,
        "roa_period_end": 0.03790781978249612,
        "roe_avg2y": 0.09937483454497323,
        "roe_period_end": 0.08388723355489343
      }
    },
    {
      "accn": "0001564590-20-010037",
      "filed": "2020-03-11",
      "fiscal_year": 2017,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 16100000.0,
        "cash": 68306000.0,
        "eps_diluted": 2.19,
        "free_cash_flow": 32800000.0,
        "gross_profit": 167700000.0,
        "net_income": 75100000.0,
        "operating_cash_flow": 48900000.0,
        "operating_income": 89500000.0,
        "stockholders_equity": 300305000.0,
        "total_assets": 563412000.0,
        "total_liabilities": 263107000.0
      },
      "period_end": "2017-12-29",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.876132598524833,
        "roa_avg2y": 0.15909179978159302,
        "roa_period_end": 0.1332949954917538,
        "roe_avg2y": 0.29083952319358064,
        "roe_period_end": 0.2500790862623
      }
    },
    {
      "accn": "0001564590-19-009033",
      "filed": "2019-03-22",
      "fiscal_year": 2016,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 7278000.0,
        "cash": 52465000.0,
        "eps_diluted": 0.3,
        "free_cash_flow": 10299000.0,
        "gross_profit": 86783000.0,
        "net_income": 10051000.0,
        "operating_cash_flow": 17577000.0,
        "operating_income": 22391000.0,
        "stockholders_equity": 216131000.0,
        "total_assets": 380697000.0,
        "total_liabilities": 164566000.0
      },
      "period_end": "2016-12-30",
      "ratio_units": {
        "leverage": "ratio",
        "roa_period_end": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.7614178438076907,
        "roa_period_end": 0.02640157395514018,
        "roe_period_end": 0.0465042034691923
      }
    }
  ],
  "latest_filing": {
    "accn": "0001628280-26-010744",
    "filed": "2026-02-23",
    "form": "10-K"
  },
  "note": "Static grepcent export of verified SEC companyfacts-derived values. Monetary values are raw reported units from grepcent's resolved facts; no scaling and no FX conversion. Capex, dividends, and buybacks are reported as positive outflow magnitudes. ROE/ROA include both period-end basis (site-consistent) and average-of-two-years basis where the prior-year denominator exists.",
  "schema_version": "1",
  "sic": "3674",
  "sic_description": "Semiconductors & Related Devices",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001275014.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0001275014.json"
  },
  "ticker": "UCTT"
}
