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Side-by-side financial comparison of Penumbra Inc (PEN) and Zurn Elkay Water Solutions Corp (ZWS). Click either name above to swap in a different company.

Zurn Elkay Water Solutions Corp is the larger business by last-quarter revenue ($407.2M vs $385.4M, roughly 1.1× Penumbra Inc). Penumbra Inc runs the higher net margin — 12.3% vs 10.3%, a 1.9% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs 9.8%). Over the past eight quarters, Penumbra Inc's revenue compounded faster (17.6% CAGR vs 4.4%).

Penumbra, Inc. is an American medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures devices for interventional therapies to treat vascular conditions such as stroke and aneurysm.

Zurn Elkay Water Solutions Corp designs, manufactures, and distributes a wide range of water management and dispensing products, including commercial plumbing fixtures, drinking fountains, water filtration systems, and flow control components. It serves commercial, residential, industrial, and public infrastructure markets primarily across North America, with a focus on delivering sustainable, water-efficient solutions for diverse end-user needs.

PEN vs ZWS — Head-to-Head

Bigger by revenue
ZWS
ZWS
1.1× larger
ZWS
$407.2M
$385.4M
PEN
Growing faster (revenue YoY)
PEN
PEN
+12.3% gap
PEN
22.1%
9.8%
ZWS
Higher net margin
PEN
PEN
1.9% more per $
PEN
12.3%
10.3%
ZWS
Faster 2-yr revenue CAGR
PEN
PEN
Annualised
PEN
17.6%
4.4%
ZWS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PEN
PEN
ZWS
ZWS
Revenue
$385.4M
$407.2M
Net Profit
$47.3M
$42.1M
Gross Margin
68.0%
44.4%
Operating Margin
15.4%
14.8%
Net Margin
12.3%
10.3%
Revenue YoY
22.1%
9.8%
Net Profit YoY
40.6%
15.7%
EPS (diluted)
$1.20
$0.24

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
PEN
PEN
ZWS
ZWS
Q4 25
$385.4M
$407.2M
Q3 25
$354.7M
$455.4M
Q2 25
$339.5M
$444.5M
Q1 25
$324.1M
$388.8M
Q4 24
$315.5M
$370.7M
Q3 24
$301.0M
$410.0M
Q2 24
$299.4M
$412.0M
Q1 24
$278.7M
$373.8M
Net Profit
PEN
PEN
ZWS
ZWS
Q4 25
$47.3M
$42.1M
Q3 25
$45.9M
$61.8M
Q2 25
$45.3M
$50.5M
Q1 25
$39.2M
$43.6M
Q4 24
$33.7M
$36.4M
Q3 24
$29.5M
$43.5M
Q2 24
$-60.2M
$46.0M
Q1 24
$11.0M
$34.3M
Gross Margin
PEN
PEN
ZWS
ZWS
Q4 25
68.0%
44.4%
Q3 25
67.8%
44.1%
Q2 25
66.0%
45.5%
Q1 25
66.6%
46.6%
Q4 24
66.8%
43.5%
Q3 24
66.5%
46.2%
Q2 24
54.4%
45.2%
Q1 24
65.0%
45.5%
Operating Margin
PEN
PEN
ZWS
ZWS
Q4 25
15.4%
14.8%
Q3 25
13.8%
17.0%
Q2 25
12.0%
17.5%
Q1 25
12.4%
16.3%
Q4 24
13.6%
13.3%
Q3 24
11.7%
17.1%
Q2 24
-27.0%
17.5%
Q1 24
4.3%
14.2%
Net Margin
PEN
PEN
ZWS
ZWS
Q4 25
12.3%
10.3%
Q3 25
12.9%
13.6%
Q2 25
13.3%
11.4%
Q1 25
12.1%
11.2%
Q4 24
10.7%
9.8%
Q3 24
9.8%
10.6%
Q2 24
-20.1%
11.2%
Q1 24
3.9%
9.2%
EPS (diluted)
PEN
PEN
ZWS
ZWS
Q4 25
$1.20
$0.24
Q3 25
$1.17
$0.36
Q2 25
$1.15
$0.29
Q1 25
$1.00
$0.26
Q4 24
$0.88
$0.21
Q3 24
$0.75
$0.25
Q2 24
$-1.55
$0.27
Q1 24
$0.28
$0.19

Balance Sheet & Financial Strength

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

Metric
PEN
PEN
ZWS
ZWS
Cash + ST InvestmentsLiquidity on hand
$186.9M
$300.5M
Total DebtLower is stronger
$496.5M
Stockholders' EquityBook value
$1.4B
$1.6B
Total Assets
$1.8B
$2.7B
Debt / EquityLower = less leverage
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PEN
PEN
ZWS
ZWS
Q4 25
$186.9M
$300.5M
Q3 25
$321.0M
$260.1M
Q2 25
$421.8M
$201.9M
Q1 25
$376.1M
$144.7M
Q4 24
$324.4M
$198.0M
Q3 24
$280.5M
$187.9M
Q2 24
$288.3M
$162.7M
Q1 24
$223.1M
$157.1M
Total Debt
PEN
PEN
ZWS
ZWS
Q4 25
$496.5M
Q3 25
$496.4M
Q2 25
$495.9M
Q1 25
$495.8M
Q4 24
$495.6M
Q3 24
$495.6M
Q2 24
$495.5M
Q1 24
$495.4M
Stockholders' Equity
PEN
PEN
ZWS
ZWS
Q4 25
$1.4B
$1.6B
Q3 25
$1.4B
$1.6B
Q2 25
$1.3B
$1.6B
Q1 25
$1.2B
$1.5B
Q4 24
$1.2B
$1.6B
Q3 24
$1.1B
$1.6B
Q2 24
$1.2B
$1.6B
Q1 24
$1.2B
$1.6B
Total Assets
PEN
PEN
ZWS
ZWS
Q4 25
$1.8B
$2.7B
Q3 25
$1.7B
$2.7B
Q2 25
$1.7B
$2.7B
Q1 25
$1.6B
$2.6B
Q4 24
$1.5B
$2.6B
Q3 24
$1.5B
$2.7B
Q2 24
$1.5B
$2.7B
Q1 24
$1.6B
$2.7B
Debt / Equity
PEN
PEN
ZWS
ZWS
Q4 25
0.31×
Q3 25
0.31×
Q2 25
0.32×
Q1 25
0.32×
Q4 24
0.31×
Q3 24
0.31×
Q2 24
0.31×
Q1 24
0.31×

Cash Flow & Capital Efficiency

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

Metric
PEN
PEN
ZWS
ZWS
Operating Cash FlowLast quarter
$86.5M
$91.7M
Free Cash FlowOCF − Capex
$68.0M
FCF MarginFCF / Revenue
17.7%
Capex IntensityCapex / Revenue
4.8%
Cash ConversionOCF / Net Profit
1.83×
2.18×
TTM Free Cash FlowTrailing 4 quarters
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PEN
PEN
ZWS
ZWS
Q4 25
$86.5M
$91.7M
Q3 25
$58.3M
$101.3M
Q2 25
$44.9M
$110.6M
Q1 25
$49.0M
$42.9M
Q4 24
$51.1M
$63.6M
Q3 24
$56.5M
$90.9M
Q2 24
$22.6M
$85.1M
Q1 24
$38.3M
$53.9M
Free Cash Flow
PEN
PEN
ZWS
ZWS
Q4 25
$68.0M
Q3 25
$42.0M
Q2 25
$29.4M
Q1 25
$35.5M
Q4 24
$45.7M
Q3 24
$51.0M
Q2 24
$18.1M
Q1 24
$32.5M
FCF Margin
PEN
PEN
ZWS
ZWS
Q4 25
17.7%
Q3 25
11.8%
Q2 25
8.7%
Q1 25
11.0%
Q4 24
14.5%
Q3 24
16.9%
Q2 24
6.0%
Q1 24
11.7%
Capex Intensity
PEN
PEN
ZWS
ZWS
Q4 25
4.8%
Q3 25
4.6%
Q2 25
4.6%
Q1 25
4.2%
Q4 24
1.7%
Q3 24
1.8%
Q2 24
1.5%
Q1 24
2.1%
Cash Conversion
PEN
PEN
ZWS
ZWS
Q4 25
1.83×
2.18×
Q3 25
1.27×
1.64×
Q2 25
0.99×
2.19×
Q1 25
1.25×
0.98×
Q4 24
1.52×
1.75×
Q3 24
1.91×
2.09×
Q2 24
1.85×
Q1 24
3.48×
1.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

ZWS
ZWS

Segment breakdown not available.

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