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Side-by-side financial comparison of Penumbra Inc (PEN) and SEI INVESTMENTS CO (SEIC). Click either name above to swap in a different company.

SEI INVESTMENTS CO is the larger business by last-quarter revenue ($622.2M vs $385.4M, roughly 1.6× Penumbra Inc). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs 12.3%, a 15.8% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs 13.0%). Over the past eight quarters, Penumbra Inc's revenue compounded faster (17.6% CAGR vs 9.5%).

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.

SEI Investments Company, formerly Simulated Environments Inc., is a financial services company headquartered in Oaks, Pennsylvania, United States. SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients. Through its subsidiaries and partnerships in which the company has significant interests, SEI manages, advises or administers $1 trillion in hedge funds, private equity, mutual funds and pooled or separately managed asse...

PEN vs SEIC — Head-to-Head

Bigger by revenue
SEIC
SEIC
1.6× larger
SEIC
$622.2M
$385.4M
PEN
Growing faster (revenue YoY)
PEN
PEN
+9.1% gap
PEN
22.1%
13.0%
SEIC
Higher net margin
SEIC
SEIC
15.8% more per $
SEIC
28.0%
12.3%
PEN
Faster 2-yr revenue CAGR
PEN
PEN
Annualised
PEN
17.6%
9.5%
SEIC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
PEN
PEN
SEIC
SEIC
Revenue
$385.4M
$622.2M
Net Profit
$47.3M
$174.5M
Gross Margin
68.0%
Operating Margin
15.4%
30.5%
Net Margin
12.3%
28.0%
Revenue YoY
22.1%
13.0%
Net Profit YoY
40.6%
15.0%
EPS (diluted)
$1.20
$1.40

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
PEN
PEN
SEIC
SEIC
Q1 26
$622.2M
Q4 25
$385.4M
$607.9M
Q3 25
$354.7M
$578.5M
Q2 25
$339.5M
$559.6M
Q1 25
$324.1M
$551.3M
Q4 24
$315.5M
$557.2M
Q3 24
$301.0M
$537.4M
Q2 24
$299.4M
$519.0M
Net Profit
PEN
PEN
SEIC
SEIC
Q1 26
$174.5M
Q4 25
$47.3M
$172.5M
Q3 25
$45.9M
$164.2M
Q2 25
$45.3M
$227.1M
Q1 25
$39.2M
$151.5M
Q4 24
$33.7M
$155.8M
Q3 24
$29.5M
$154.9M
Q2 24
$-60.2M
$139.1M
Gross Margin
PEN
PEN
SEIC
SEIC
Q1 26
Q4 25
68.0%
36.8%
Q3 25
67.8%
35.0%
Q2 25
66.0%
33.8%
Q1 25
66.6%
34.9%
Q4 24
66.8%
33.1%
Q3 24
66.5%
33.8%
Q2 24
54.4%
32.7%
Operating Margin
PEN
PEN
SEIC
SEIC
Q1 26
30.5%
Q4 25
15.4%
26.6%
Q3 25
13.8%
27.7%
Q2 25
12.0%
26.6%
Q1 25
12.4%
28.5%
Q4 24
13.6%
26.1%
Q3 24
11.7%
26.8%
Q2 24
-27.0%
26.3%
Net Margin
PEN
PEN
SEIC
SEIC
Q1 26
28.0%
Q4 25
12.3%
28.4%
Q3 25
12.9%
28.4%
Q2 25
13.3%
40.6%
Q1 25
12.1%
27.5%
Q4 24
10.7%
28.0%
Q3 24
9.8%
28.8%
Q2 24
-20.1%
26.8%
EPS (diluted)
PEN
PEN
SEIC
SEIC
Q1 26
$1.40
Q4 25
$1.20
$1.38
Q3 25
$1.17
$1.30
Q2 25
$1.15
$1.78
Q1 25
$1.00
$1.17
Q4 24
$0.88
$1.18
Q3 24
$0.75
$1.19
Q2 24
$-1.55
$1.05

Balance Sheet & Financial Strength

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

Metric
PEN
PEN
SEIC
SEIC
Cash + ST InvestmentsLiquidity on hand
$186.9M
$363.1M
Total DebtLower is stronger
$32.4M
Stockholders' EquityBook value
$1.4B
$2.5B
Total Assets
$1.8B
$3.3B
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PEN
PEN
SEIC
SEIC
Q1 26
$363.1M
Q4 25
$186.9M
$399.8M
Q3 25
$321.0M
Q2 25
$421.8M
Q1 25
$376.1M
$710.7M
Q4 24
$324.4M
$839.9M
Q3 24
$280.5M
$901.1M
Q2 24
$288.3M
$768.3M
Total Debt
PEN
PEN
SEIC
SEIC
Q1 26
$32.4M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
PEN
PEN
SEIC
SEIC
Q1 26
$2.5B
Q4 25
$1.4B
$2.4B
Q3 25
$1.4B
$2.4B
Q2 25
$1.3B
$2.3B
Q1 25
$1.2B
$2.3B
Q4 24
$1.2B
$2.3B
Q3 24
$1.1B
$2.4B
Q2 24
$1.2B
$2.2B
Total Assets
PEN
PEN
SEIC
SEIC
Q1 26
$3.3B
Q4 25
$1.8B
Q3 25
$1.7B
Q2 25
$1.7B
$2.6B
Q1 25
$1.6B
$2.6B
Q4 24
$1.5B
$2.7B
Q3 24
$1.5B
$2.7B
Q2 24
$1.5B
$2.5B
Debt / Equity
PEN
PEN
SEIC
SEIC
Q1 26
0.01×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

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

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PEN
PEN
SEIC
SEIC
Q1 26
Q4 25
$86.5M
$126.4M
Q3 25
$58.3M
$238.3M
Q2 25
$44.9M
$96.5M
Q1 25
$49.0M
$146.5M
Q4 24
$51.1M
$195.3M
Q3 24
$56.5M
$200.0M
Q2 24
$22.6M
$114.7M
Free Cash Flow
PEN
PEN
SEIC
SEIC
Q1 26
Q4 25
$68.0M
$124.8M
Q3 25
$42.0M
$229.6M
Q2 25
$29.4M
$92.7M
Q1 25
$35.5M
$137.8M
Q4 24
$45.7M
$190.2M
Q3 24
$51.0M
$193.7M
Q2 24
$18.1M
$107.0M
FCF Margin
PEN
PEN
SEIC
SEIC
Q1 26
Q4 25
17.7%
20.5%
Q3 25
11.8%
39.7%
Q2 25
8.7%
16.6%
Q1 25
11.0%
25.0%
Q4 24
14.5%
34.1%
Q3 24
16.9%
36.0%
Q2 24
6.0%
20.6%
Capex Intensity
PEN
PEN
SEIC
SEIC
Q1 26
Q4 25
4.8%
0.3%
Q3 25
4.6%
1.5%
Q2 25
4.6%
0.7%
Q1 25
4.2%
1.6%
Q4 24
1.7%
0.9%
Q3 24
1.8%
1.2%
Q2 24
1.5%
1.5%
Cash Conversion
PEN
PEN
SEIC
SEIC
Q1 26
Q4 25
1.83×
0.73×
Q3 25
1.27×
1.45×
Q2 25
0.99×
0.43×
Q1 25
1.25×
0.97×
Q4 24
1.52×
1.25×
Q3 24
1.91×
1.29×
Q2 24
0.82×

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%

SEIC
SEIC

Segment breakdown not available.

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