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Side-by-side financial comparison of APTARGROUP, INC. (ATR) and Ultra Clean Holdings, Inc. (UCTT). Click either name above to swap in a different company.

APTARGROUP, INC. is the larger business by last-quarter revenue ($982.9M vs $533.7M, roughly 1.8× Ultra Clean Holdings, Inc.). APTARGROUP, INC. runs the higher net margin — 7.4% vs -2.8%, a 10.2% gap on every dollar of revenue. On growth, APTARGROUP, INC. posted the faster year-over-year revenue change (10.8% vs 2.9%). Over the past eight quarters, APTARGROUP, INC.'s revenue compounded faster (3.9% CAGR vs 1.7%).

AptarGroup, Inc., also known as Aptar, is a United States–based global manufacturer of consumer dispensing packaging and drug delivery devices. The group has manufacturing operations in 18 countries.

Ultra Clean Holdings, Inc. is a leading global supplier of critical subsystems, ultra-high purity cleaning services, and precision process components for the semiconductor, advanced display, and life sciences sectors. It operates across North America, Asia, and Europe, serving top semiconductor fabs and high-tech equipment manufacturers to support advanced microelectronics production.

ATR vs UCTT — Head-to-Head

Bigger by revenue
ATR
ATR
1.8× larger
ATR
$982.9M
$533.7M
UCTT
Growing faster (revenue YoY)
ATR
ATR
+7.9% gap
ATR
10.8%
2.9%
UCTT
Higher net margin
ATR
ATR
10.2% more per $
ATR
7.4%
-2.8%
UCTT
Faster 2-yr revenue CAGR
ATR
ATR
Annualised
ATR
3.9%
1.7%
UCTT

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ATR
ATR
UCTT
UCTT
Revenue
$982.9M
$533.7M
Net Profit
$72.8M
$-15.0M
Gross Margin
12.2%
Operating Margin
10.9%
2.1%
Net Margin
7.4%
-2.8%
Revenue YoY
10.8%
2.9%
Net Profit YoY
-7.5%
-500.0%
EPS (diluted)
$1.12
$-0.40

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATR
ATR
UCTT
UCTT
Q1 26
$982.9M
$533.7M
Q4 25
$962.7M
$506.6M
Q3 25
$961.1M
$510.0M
Q2 25
$966.0M
$518.8M
Q1 25
$887.3M
$518.6M
Q4 24
$848.1M
$563.4M
Q3 24
$909.3M
$540.4M
Q2 24
$910.1M
$516.1M
Net Profit
ATR
ATR
UCTT
UCTT
Q1 26
$72.8M
$-15.0M
Q4 25
$74.3M
$-3.3M
Q3 25
$127.9M
$-10.9M
Q2 25
$111.7M
$-162.0M
Q1 25
$78.8M
$-5.0M
Q4 24
$100.9M
$16.3M
Q3 24
$100.0M
$-2.3M
Q2 24
$90.5M
$19.1M
Gross Margin
ATR
ATR
UCTT
UCTT
Q1 26
12.2%
Q4 25
15.2%
Q3 25
16.1%
Q2 25
15.3%
Q1 25
16.2%
Q4 24
16.3%
Q3 24
17.3%
Q2 24
17.1%
Operating Margin
ATR
ATR
UCTT
UCTT
Q1 26
10.9%
2.1%
Q4 25
11.0%
2.2%
Q3 25
14.2%
2.1%
Q2 25
14.9%
-27.3%
Q1 25
12.8%
2.5%
Q4 24
14.2%
4.6%
Q3 24
15.2%
4.7%
Q2 24
13.8%
4.4%
Net Margin
ATR
ATR
UCTT
UCTT
Q1 26
7.4%
-2.8%
Q4 25
7.7%
-0.7%
Q3 25
13.3%
-2.1%
Q2 25
11.6%
-31.2%
Q1 25
8.9%
-1.0%
Q4 24
11.9%
2.9%
Q3 24
11.0%
-0.4%
Q2 24
9.9%
3.7%
EPS (diluted)
ATR
ATR
UCTT
UCTT
Q1 26
$1.12
$-0.40
Q4 25
$1.13
$-0.07
Q3 25
$1.92
$-0.24
Q2 25
$1.67
$-3.58
Q1 25
$1.17
$-0.11
Q4 24
$1.48
$0.36
Q3 24
$1.48
$-0.05
Q2 24
$1.34
$0.42

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATR
ATR
UCTT
UCTT
Cash + ST InvestmentsLiquidity on hand
$229.5M
$323.5M
Total DebtLower is stronger
$601.9M
Stockholders' EquityBook value
$2.6B
$702.1M
Total Assets
$5.1B
$1.9B
Debt / EquityLower = less leverage
0.86×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATR
ATR
UCTT
UCTT
Q1 26
$229.5M
$323.5M
Q4 25
$409.5M
$311.8M
Q3 25
$264.8M
$314.1M
Q2 25
$169.8M
$327.4M
Q1 25
$136.8M
$317.6M
Q4 24
$226.2M
$313.9M
Q3 24
$327.9M
$318.2M
Q2 24
$223.9M
$319.5M
Total Debt
ATR
ATR
UCTT
UCTT
Q1 26
$601.9M
Q4 25
$1.1B
$481.4M
Q3 25
$546.0M
Q2 25
$535.1M
Q1 25
$561.2M
Q4 24
$688.1M
$499.7M
Q3 24
$822.7M
Q2 24
$681.5M
Stockholders' Equity
ATR
ATR
UCTT
UCTT
Q1 26
$2.6B
$702.1M
Q4 25
$2.7B
$711.0M
Q3 25
$2.8B
$709.9M
Q2 25
$2.7B
$719.4M
Q1 25
$2.5B
$872.0M
Q4 24
$2.5B
$873.6M
Q3 24
$2.5B
$857.9M
Q2 24
$2.4B
$852.3M
Total Assets
ATR
ATR
UCTT
UCTT
Q1 26
$5.1B
$1.9B
Q4 25
$5.3B
$1.7B
Q3 25
$5.1B
$1.7B
Q2 25
$4.9B
$1.7B
Q1 25
$4.5B
$1.9B
Q4 24
$4.4B
$1.9B
Q3 24
$4.6B
$1.9B
Q2 24
$4.5B
$1.9B
Debt / Equity
ATR
ATR
UCTT
UCTT
Q1 26
0.86×
Q4 25
0.43×
0.68×
Q3 25
0.20×
Q2 25
0.20×
Q1 25
0.22×
Q4 24
0.28×
0.57×
Q3 24
0.32×
Q2 24
0.28×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATR
ATR
UCTT
UCTT
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$53.3M
FCF MarginFCF / Revenue
5.4%
Capex IntensityCapex / Revenue
6.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$327.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATR
ATR
UCTT
UCTT
Q1 26
Q4 25
$183.7M
$8.1M
Q3 25
$177.6M
$100.0K
Q2 25
$126.0M
$29.2M
Q1 25
$82.7M
$28.2M
Q4 24
$178.2M
$17.1M
Q3 24
$229.3M
$14.9M
Q2 24
$143.6M
$23.2M
Free Cash Flow
ATR
ATR
UCTT
UCTT
Q1 26
$53.3M
Q4 25
$96.9M
$-2.0M
Q3 25
$114.3M
$-10.9M
Q2 25
$62.5M
$12.4M
Q1 25
$25.9M
$15.8M
Q4 24
$112.2M
$-200.0K
Q3 24
$162.7M
$-300.0K
Q2 24
$75.4M
$10.2M
FCF Margin
ATR
ATR
UCTT
UCTT
Q1 26
5.4%
Q4 25
10.1%
-0.4%
Q3 25
11.9%
-2.1%
Q2 25
6.5%
2.4%
Q1 25
2.9%
3.0%
Q4 24
13.2%
-0.0%
Q3 24
17.9%
-0.1%
Q2 24
8.3%
2.0%
Capex Intensity
ATR
ATR
UCTT
UCTT
Q1 26
6.7%
Q4 25
9.0%
2.0%
Q3 25
6.6%
2.2%
Q2 25
6.6%
3.2%
Q1 25
6.4%
2.4%
Q4 24
7.8%
3.1%
Q3 24
7.3%
2.8%
Q2 24
7.5%
2.5%
Cash Conversion
ATR
ATR
UCTT
UCTT
Q1 26
Q4 25
2.47×
Q3 25
1.39×
Q2 25
1.13×
Q1 25
1.05×
Q4 24
1.77×
1.05×
Q3 24
2.29×
Q2 24
1.59×
1.21×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ATR
ATR

Segment breakdown not available.

UCTT
UCTT

Products$465.7M87%
Services$68.0M13%

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