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Side-by-side financial comparison of Confluent, Inc. (CFLT) and Penumbra Inc (PEN). Click either name above to swap in a different company.

Penumbra Inc is the larger business by last-quarter revenue ($385.4M vs $314.8M, roughly 1.2× Confluent, Inc.). Penumbra Inc runs the higher net margin — 12.3% vs -25.2%, a 37.5% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs 20.5%). Penumbra Inc produced more free cash flow last quarter ($68.0M vs $41.7M). Over the past eight quarters, Confluent, Inc.'s revenue compounded faster (20.4% CAGR vs 17.6%).

Confluent, Inc. is an American technology company headquartered in Mountain View, California. Confluent was founded by Jay Kreps, Jun Rao and Neha Narkhede on September 23, 2014, in order to commercialize an open-source streaming platform Apache Kafka, created by the same founders while working at LinkedIn in 2008 as a B2B infrastructure company. Confluent's products are the Confluent Cloud, Confluent Platform, Connectors, Apache Flink, Stream Governance and Confluent Hub.

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.

CFLT vs PEN — Head-to-Head

Bigger by revenue
PEN
PEN
1.2× larger
PEN
$385.4M
$314.8M
CFLT
Growing faster (revenue YoY)
PEN
PEN
+1.6% gap
PEN
22.1%
20.5%
CFLT
Higher net margin
PEN
PEN
37.5% more per $
PEN
12.3%
-25.2%
CFLT
More free cash flow
PEN
PEN
$26.4M more FCF
PEN
$68.0M
$41.7M
CFLT
Faster 2-yr revenue CAGR
CFLT
CFLT
Annualised
CFLT
20.4%
17.6%
PEN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CFLT
CFLT
PEN
PEN
Revenue
$314.8M
$385.4M
Net Profit
$-79.2M
$47.3M
Gross Margin
74.7%
68.0%
Operating Margin
-31.5%
15.4%
Net Margin
-25.2%
12.3%
Revenue YoY
20.5%
22.1%
Net Profit YoY
10.0%
40.6%
EPS (diluted)
$-0.23
$1.20

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
CFLT
CFLT
PEN
PEN
Q4 25
$314.8M
$385.4M
Q3 25
$298.5M
$354.7M
Q2 25
$282.3M
$339.5M
Q1 25
$271.1M
$324.1M
Q4 24
$261.2M
$315.5M
Q3 24
$250.2M
$301.0M
Q2 24
$235.0M
$299.4M
Q1 24
$217.2M
$278.7M
Net Profit
CFLT
CFLT
PEN
PEN
Q4 25
$-79.2M
$47.3M
Q3 25
$-66.5M
$45.9M
Q2 25
$-82.0M
$45.3M
Q1 25
$-67.6M
$39.2M
Q4 24
$-88.1M
$33.7M
Q3 24
$-74.1M
$29.5M
Q2 24
$-89.9M
$-60.2M
Q1 24
$-93.0M
$11.0M
Gross Margin
CFLT
CFLT
PEN
PEN
Q4 25
74.7%
68.0%
Q3 25
74.2%
67.8%
Q2 25
73.7%
66.0%
Q1 25
74.5%
66.6%
Q4 24
74.1%
66.8%
Q3 24
74.5%
66.5%
Q2 24
72.3%
54.4%
Q1 24
71.8%
65.0%
Operating Margin
CFLT
CFLT
PEN
PEN
Q4 25
-31.5%
15.4%
Q3 25
-27.9%
13.8%
Q2 25
-34.2%
12.0%
Q1 25
-37.3%
12.4%
Q4 24
-40.5%
13.6%
Q3 24
-37.4%
11.7%
Q2 24
-46.1%
-27.0%
Q1 24
-51.3%
4.3%
Net Margin
CFLT
CFLT
PEN
PEN
Q4 25
-25.2%
12.3%
Q3 25
-22.3%
12.9%
Q2 25
-29.0%
13.3%
Q1 25
-24.9%
12.1%
Q4 24
-33.7%
10.7%
Q3 24
-29.6%
9.8%
Q2 24
-38.3%
-20.1%
Q1 24
-42.8%
3.9%
EPS (diluted)
CFLT
CFLT
PEN
PEN
Q4 25
$-0.23
$1.20
Q3 25
$-0.19
$1.17
Q2 25
$-0.24
$1.15
Q1 25
$-0.20
$1.00
Q4 24
$-0.26
$0.88
Q3 24
$-0.23
$0.75
Q2 24
$-0.28
$-1.55
Q1 24
$-0.30
$0.28

Balance Sheet & Financial Strength

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

Metric
CFLT
CFLT
PEN
PEN
Cash + ST InvestmentsLiquidity on hand
$347.2M
$186.9M
Total DebtLower is stronger
$1.1B
Stockholders' EquityBook value
$1.2B
$1.4B
Total Assets
$3.0B
$1.8B
Debt / EquityLower = less leverage
0.94×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CFLT
CFLT
PEN
PEN
Q4 25
$347.2M
$186.9M
Q3 25
$298.5M
$321.0M
Q2 25
$295.6M
$421.8M
Q1 25
$278.6M
$376.1M
Q4 24
$386.0M
$324.4M
Q3 24
$322.6M
$280.5M
Q2 24
$311.3M
$288.3M
Q1 24
$336.4M
$223.1M
Total Debt
CFLT
CFLT
PEN
PEN
Q4 25
$1.1B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
Stockholders' Equity
CFLT
CFLT
PEN
PEN
Q4 25
$1.2B
$1.4B
Q3 25
$1.1B
$1.4B
Q2 25
$1.1B
$1.3B
Q1 25
$1.0B
$1.2B
Q4 24
$961.2M
$1.2B
Q3 24
$934.3M
$1.1B
Q2 24
$873.9M
$1.2B
Q1 24
$845.2M
$1.2B
Total Assets
CFLT
CFLT
PEN
PEN
Q4 25
$3.0B
$1.8B
Q3 25
$2.9B
$1.7B
Q2 25
$2.8B
$1.7B
Q1 25
$2.7B
$1.6B
Q4 24
$2.7B
$1.5B
Q3 24
$2.6B
$1.5B
Q2 24
$2.5B
$1.5B
Q1 24
$2.4B
$1.6B
Debt / Equity
CFLT
CFLT
PEN
PEN
Q4 25
0.94×
Q3 25
0.98×
Q2 25
1.03×
Q1 25
1.07×
Q4 24
1.14×
Q3 24
1.17×
Q2 24
1.25×
Q1 24
1.29×

Cash Flow & Capital Efficiency

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

Metric
CFLT
CFLT
PEN
PEN
Operating Cash FlowLast quarter
$42.1M
$86.5M
Free Cash FlowOCF − Capex
$41.7M
$68.0M
FCF MarginFCF / Revenue
13.2%
17.7%
Capex IntensityCapex / Revenue
0.1%
4.8%
Cash ConversionOCF / Net Profit
1.83×
TTM Free Cash FlowTrailing 4 quarters
$60.7M
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CFLT
CFLT
PEN
PEN
Q4 25
$42.1M
$86.5M
Q3 25
$30.8M
$58.3M
Q2 25
$18.1M
$44.9M
Q1 25
$-26.8M
$49.0M
Q4 24
$35.2M
$51.1M
Q3 24
$15.6M
$56.5M
Q2 24
$8.6M
$22.6M
Q1 24
$-26.0M
$38.3M
Free Cash Flow
CFLT
CFLT
PEN
PEN
Q4 25
$41.7M
$68.0M
Q3 25
$30.0M
$42.0M
Q2 25
$17.2M
$29.4M
Q1 25
$-28.2M
$35.5M
Q4 24
$34.5M
$45.7M
Q3 24
$15.0M
$51.0M
Q2 24
$7.5M
$18.1M
Q1 24
$-26.1M
$32.5M
FCF Margin
CFLT
CFLT
PEN
PEN
Q4 25
13.2%
17.7%
Q3 25
10.0%
11.8%
Q2 25
6.1%
8.7%
Q1 25
-10.4%
11.0%
Q4 24
13.2%
14.5%
Q3 24
6.0%
16.9%
Q2 24
3.2%
6.0%
Q1 24
-12.0%
11.7%
Capex Intensity
CFLT
CFLT
PEN
PEN
Q4 25
0.1%
4.8%
Q3 25
0.3%
4.6%
Q2 25
0.3%
4.6%
Q1 25
0.5%
4.2%
Q4 24
0.3%
1.7%
Q3 24
0.2%
1.8%
Q2 24
0.5%
1.5%
Q1 24
0.1%
2.1%
Cash Conversion
CFLT
CFLT
PEN
PEN
Q4 25
1.83×
Q3 25
1.27×
Q2 25
0.99×
Q1 25
1.25×
Q4 24
1.52×
Q3 24
1.91×
Q2 24
Q1 24
3.48×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CFLT
CFLT

Confluent Cloud$169.4M54%
Post Contract Customer Support$93.8M30%
License$38.4M12%
Services$13.2M4%

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

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