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Side-by-side financial comparison of Charles River Laboratories (CRL) and SEI INVESTMENTS CO (SEIC). Click either name above to swap in a different company.

Charles River Laboratories is the larger business by last-quarter revenue ($995.8M vs $622.2M, roughly 1.6× SEI INVESTMENTS CO). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs -1.5%, a 29.5% gap on every dollar of revenue. On growth, SEI INVESTMENTS CO posted the faster year-over-year revenue change (13.0% vs 1.2%). Over the past eight quarters, SEI INVESTMENTS CO's revenue compounded faster (9.5% CAGR vs -1.5%).

Charles River Laboratories International, Inc. is an American pharmaceutical and biotechnology contract research organisation (CRO) headquartered in Wilmington, Massachusetts, United States. Founded in 1947, the company provides preclinical and clinical laboratory services for the development of new drugs, vaccines, and medical devices.

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...

CRL vs SEIC — Head-to-Head

Bigger by revenue
CRL
CRL
1.6× larger
CRL
$995.8M
$622.2M
SEIC
Growing faster (revenue YoY)
SEIC
SEIC
+11.8% gap
SEIC
13.0%
1.2%
CRL
Higher net margin
SEIC
SEIC
29.5% more per $
SEIC
28.0%
-1.5%
CRL
Faster 2-yr revenue CAGR
SEIC
SEIC
Annualised
SEIC
9.5%
-1.5%
CRL

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CRL
CRL
SEIC
SEIC
Revenue
$995.8M
$622.2M
Net Profit
$-14.8M
$174.5M
Gross Margin
Operating Margin
12.0%
30.5%
Net Margin
-1.5%
28.0%
Revenue YoY
1.2%
13.0%
Net Profit YoY
-157.2%
15.0%
EPS (diluted)
$-0.30
$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
CRL
CRL
SEIC
SEIC
Q1 26
$995.8M
$622.2M
Q4 25
$994.2M
$607.9M
Q3 25
$1.0B
$578.5M
Q2 25
$1.0B
$559.6M
Q1 25
$984.2M
$551.3M
Q4 24
$1.0B
$557.2M
Q3 24
$1.0B
$537.4M
Q2 24
$1.0B
$519.0M
Net Profit
CRL
CRL
SEIC
SEIC
Q1 26
$-14.8M
$174.5M
Q4 25
$-276.6M
$172.5M
Q3 25
$54.4M
$164.2M
Q2 25
$52.3M
$227.1M
Q1 25
$25.5M
$151.5M
Q4 24
$-214.5M
$155.8M
Q3 24
$69.7M
$154.9M
Q2 24
$94.1M
$139.1M
Gross Margin
CRL
CRL
SEIC
SEIC
Q1 26
Q4 25
36.8%
Q3 25
35.0%
Q2 25
33.8%
Q1 25
34.9%
Q4 24
33.1%
Q3 24
34.6%
33.8%
Q2 24
34.5%
32.7%
Operating Margin
CRL
CRL
SEIC
SEIC
Q1 26
12.0%
30.5%
Q4 25
-28.5%
26.6%
Q3 25
13.3%
27.7%
Q2 25
9.7%
26.6%
Q1 25
7.6%
28.5%
Q4 24
-16.7%
26.1%
Q3 24
11.6%
26.8%
Q2 24
14.8%
26.3%
Net Margin
CRL
CRL
SEIC
SEIC
Q1 26
-1.5%
28.0%
Q4 25
-27.8%
28.4%
Q3 25
5.4%
28.4%
Q2 25
5.1%
40.6%
Q1 25
2.6%
27.5%
Q4 24
-21.4%
28.0%
Q3 24
6.9%
28.8%
Q2 24
9.2%
26.8%
EPS (diluted)
CRL
CRL
SEIC
SEIC
Q1 26
$-0.30
$1.40
Q4 25
$-5.57
$1.38
Q3 25
$1.10
$1.30
Q2 25
$1.06
$1.78
Q1 25
$0.50
$1.17
Q4 24
$-4.17
$1.18
Q3 24
$1.33
$1.19
Q2 24
$1.74
$1.05

Balance Sheet & Financial Strength

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

Metric
CRL
CRL
SEIC
SEIC
Cash + ST InvestmentsLiquidity on hand
$191.8M
$363.1M
Total DebtLower is stronger
$32.4M
Stockholders' EquityBook value
$2.9B
$2.5B
Total Assets
$7.7B
$3.3B
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
SEIC
SEIC
Q1 26
$191.8M
$363.1M
Q4 25
$213.8M
$399.8M
Q3 25
$207.1M
Q2 25
$182.8M
Q1 25
$229.4M
$710.7M
Q4 24
$194.6M
$839.9M
Q3 24
$210.2M
$901.1M
Q2 24
$179.2M
$768.3M
Total Debt
CRL
CRL
SEIC
SEIC
Q1 26
$32.4M
Q4 25
$2.1B
Q3 25
$2.2B
Q2 25
$2.3B
Q1 25
$2.5B
Q4 24
$2.2B
Q3 24
$2.3B
Q2 24
$2.4B
Stockholders' Equity
CRL
CRL
SEIC
SEIC
Q1 26
$2.9B
$2.5B
Q4 25
$3.2B
$2.4B
Q3 25
$3.4B
$2.4B
Q2 25
$3.4B
$2.3B
Q1 25
$3.2B
$2.3B
Q4 24
$3.5B
$2.3B
Q3 24
$3.8B
$2.4B
Q2 24
$3.7B
$2.2B
Total Assets
CRL
CRL
SEIC
SEIC
Q1 26
$7.7B
$3.3B
Q4 25
$7.1B
Q3 25
$7.5B
Q2 25
$7.6B
$2.6B
Q1 25
$7.6B
$2.6B
Q4 24
$7.5B
$2.7B
Q3 24
$8.0B
$2.7B
Q2 24
$7.9B
$2.5B
Debt / Equity
CRL
CRL
SEIC
SEIC
Q1 26
0.01×
Q4 25
0.68×
Q3 25
0.64×
Q2 25
0.70×
Q1 25
0.79×
Q4 24
0.65×
Q3 24
0.62×
Q2 24
0.65×

Cash Flow & Capital Efficiency

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

Metric
CRL
CRL
SEIC
SEIC
Operating Cash FlowLast quarter
$41.1M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
5.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
SEIC
SEIC
Q1 26
$41.1M
Q4 25
$147.5M
$126.4M
Q3 25
$213.8M
$238.3M
Q2 25
$204.6M
$96.5M
Q1 25
$171.7M
$146.5M
Q4 24
$159.4M
$195.3M
Q3 24
$251.8M
$200.0M
Q2 24
$193.5M
$114.7M
Free Cash Flow
CRL
CRL
SEIC
SEIC
Q1 26
Q4 25
$58.6M
$124.8M
Q3 25
$178.2M
$229.6M
Q2 25
$169.3M
$92.7M
Q1 25
$112.4M
$137.8M
Q4 24
$83.7M
$190.2M
Q3 24
$213.1M
$193.7M
Q2 24
$154.0M
$107.0M
FCF Margin
CRL
CRL
SEIC
SEIC
Q1 26
Q4 25
5.9%
20.5%
Q3 25
17.7%
39.7%
Q2 25
16.4%
16.6%
Q1 25
11.4%
25.0%
Q4 24
8.4%
34.1%
Q3 24
21.1%
36.0%
Q2 24
15.0%
20.6%
Capex Intensity
CRL
CRL
SEIC
SEIC
Q1 26
5.6%
Q4 25
8.9%
0.3%
Q3 25
3.5%
1.5%
Q2 25
3.4%
0.7%
Q1 25
6.0%
1.6%
Q4 24
7.5%
0.9%
Q3 24
3.8%
1.2%
Q2 24
3.8%
1.5%
Cash Conversion
CRL
CRL
SEIC
SEIC
Q1 26
Q4 25
0.73×
Q3 25
3.93×
1.45×
Q2 25
3.91×
0.43×
Q1 25
6.74×
0.97×
Q4 24
1.25×
Q3 24
3.61×
1.29×
Q2 24
2.06×
0.82×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CRL
CRL

Service revenue$798.2M80%
Product revenue$197.7M20%

SEIC
SEIC

Segment breakdown not available.

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