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Side-by-side financial comparison of OSI SYSTEMS INC (OSIS) 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 $464.1M, roughly 1.3× OSI SYSTEMS INC). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs 8.3%, a 19.7% gap on every dollar of revenue. On growth, SEI INVESTMENTS CO posted the faster year-over-year revenue change (13.0% vs 10.5%). Over the past eight quarters, SEI INVESTMENTS CO's revenue compounded faster (9.5% CAGR vs 7.0%).

OSI Systems, Inc. is an American company based in California that develops and markets security and inspection systems such as airport security X-ray machines and metal detectors, medical monitoring and anesthesia systems, and optoelectronic devices. As of June 2010, the company employs approximately 3,180 personnel globally and includes subsidiary companies Spacelabs Healthcare, Rapiscan Systems and OSI Optoelectronics.

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...

OSIS vs SEIC — Head-to-Head

Bigger by revenue
SEIC
SEIC
1.3× larger
SEIC
$622.2M
$464.1M
OSIS
Growing faster (revenue YoY)
SEIC
SEIC
+2.5% gap
SEIC
13.0%
10.5%
OSIS
Higher net margin
SEIC
SEIC
19.7% more per $
SEIC
28.0%
8.3%
OSIS
Faster 2-yr revenue CAGR
SEIC
SEIC
Annualised
SEIC
9.5%
7.0%
OSIS

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
OSIS
OSIS
SEIC
SEIC
Revenue
$464.1M
$622.2M
Net Profit
$38.7M
$174.5M
Gross Margin
32.7%
Operating Margin
12.7%
30.5%
Net Margin
8.3%
28.0%
Revenue YoY
10.5%
13.0%
Net Profit YoY
2.3%
15.0%
EPS (diluted)
$2.22
$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
OSIS
OSIS
SEIC
SEIC
Q1 26
$622.2M
Q4 25
$464.1M
$607.9M
Q3 25
$384.6M
$578.5M
Q2 25
$505.0M
$559.6M
Q1 25
$444.4M
$551.3M
Q4 24
$419.8M
$557.2M
Q3 24
$344.0M
$537.4M
Q2 24
$480.9M
$519.0M
Net Profit
OSIS
OSIS
SEIC
SEIC
Q1 26
$174.5M
Q4 25
$38.7M
$172.5M
Q3 25
$20.6M
$164.2M
Q2 25
$52.7M
$227.1M
Q1 25
$41.1M
$151.5M
Q4 24
$37.8M
$155.8M
Q3 24
$17.9M
$154.9M
Q2 24
$44.7M
$139.1M
Gross Margin
OSIS
OSIS
SEIC
SEIC
Q1 26
Q4 25
32.7%
36.8%
Q3 25
32.0%
35.0%
Q2 25
33.3%
33.8%
Q1 25
33.8%
34.9%
Q4 24
35.1%
33.1%
Q3 24
35.3%
33.8%
Q2 24
32.1%
32.7%
Operating Margin
OSIS
OSIS
SEIC
SEIC
Q1 26
30.5%
Q4 25
12.7%
26.6%
Q3 25
8.6%
27.7%
Q2 25
14.5%
26.6%
Q1 25
12.7%
28.5%
Q4 24
13.8%
26.1%
Q3 24
8.8%
26.8%
Q2 24
13.1%
26.3%
Net Margin
OSIS
OSIS
SEIC
SEIC
Q1 26
28.0%
Q4 25
8.3%
28.4%
Q3 25
5.3%
28.4%
Q2 25
10.4%
40.6%
Q1 25
9.3%
27.5%
Q4 24
9.0%
28.0%
Q3 24
5.2%
28.8%
Q2 24
9.3%
26.8%
EPS (diluted)
OSIS
OSIS
SEIC
SEIC
Q1 26
$1.40
Q4 25
$2.22
$1.38
Q3 25
$1.18
$1.30
Q2 25
$3.04
$1.78
Q1 25
$2.40
$1.17
Q4 24
$2.22
$1.18
Q3 24
$1.05
$1.19
Q2 24
$2.57
$1.05

Balance Sheet & Financial Strength

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

Metric
OSIS
OSIS
SEIC
SEIC
Cash + ST InvestmentsLiquidity on hand
$336.7M
$363.1M
Total DebtLower is stronger
$1.0B
$32.4M
Stockholders' EquityBook value
$845.5M
$2.5B
Total Assets
$2.5B
$3.3B
Debt / EquityLower = less leverage
1.19×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OSIS
OSIS
SEIC
SEIC
Q1 26
$363.1M
Q4 25
$336.7M
$399.8M
Q3 25
$124.4M
Q2 25
$106.4M
Q1 25
$95.8M
$710.7M
Q4 24
$101.6M
$839.9M
Q3 24
$85.1M
$901.1M
Q2 24
$95.4M
$768.3M
Total Debt
OSIS
OSIS
SEIC
SEIC
Q1 26
$32.4M
Q4 25
$1.0B
Q3 25
$442.2M
Q2 25
$471.6M
Q1 25
$473.2M
Q4 24
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Stockholders' Equity
OSIS
OSIS
SEIC
SEIC
Q1 26
$2.5B
Q4 25
$845.5M
$2.4B
Q3 25
$946.0M
$2.4B
Q2 25
$951.1M
$2.3B
Q1 25
$879.3M
$2.3B
Q4 24
$825.8M
$2.3B
Q3 24
$786.5M
$2.4B
Q2 24
$863.5M
$2.2B
Total Assets
OSIS
OSIS
SEIC
SEIC
Q1 26
$3.3B
Q4 25
$2.5B
Q3 25
$2.3B
Q2 25
$2.2B
$2.6B
Q1 25
$2.1B
$2.6B
Q4 24
$2.1B
$2.7B
Q3 24
$2.1B
$2.7B
Q2 24
$1.9B
$2.5B
Debt / Equity
OSIS
OSIS
SEIC
SEIC
Q1 26
0.01×
Q4 25
1.19×
Q3 25
0.47×
Q2 25
0.50×
Q1 25
0.54×
Q4 24
0.57×
Q3 24
0.61×
Q2 24
0.16×

Cash Flow & Capital Efficiency

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

Metric
OSIS
OSIS
SEIC
SEIC
Operating Cash FlowLast quarter
$62.2M
Free Cash FlowOCF − Capex
$55.5M
FCF MarginFCF / Revenue
12.0%
Capex IntensityCapex / Revenue
1.4%
Cash ConversionOCF / Net Profit
1.61×
TTM Free Cash FlowTrailing 4 quarters
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OSIS
OSIS
SEIC
SEIC
Q1 26
Q4 25
$62.2M
$126.4M
Q3 25
$17.1M
$238.3M
Q2 25
$562.0K
$96.5M
Q1 25
$81.6M
$146.5M
Q4 24
$52.5M
$195.3M
Q3 24
$-37.2M
$200.0M
Q2 24
$-29.0M
$114.7M
Free Cash Flow
OSIS
OSIS
SEIC
SEIC
Q1 26
Q4 25
$55.5M
$124.8M
Q3 25
$10.1M
$229.6M
Q2 25
$-5.6M
$92.7M
Q1 25
$77.1M
$137.8M
Q4 24
$47.1M
$190.2M
Q3 24
$-44.9M
$193.7M
Q2 24
$-37.5M
$107.0M
FCF Margin
OSIS
OSIS
SEIC
SEIC
Q1 26
Q4 25
12.0%
20.5%
Q3 25
2.6%
39.7%
Q2 25
-1.1%
16.6%
Q1 25
17.4%
25.0%
Q4 24
11.2%
34.1%
Q3 24
-13.0%
36.0%
Q2 24
-7.8%
20.6%
Capex Intensity
OSIS
OSIS
SEIC
SEIC
Q1 26
Q4 25
1.4%
0.3%
Q3 25
1.8%
1.5%
Q2 25
1.2%
0.7%
Q1 25
1.0%
1.6%
Q4 24
1.3%
0.9%
Q3 24
2.2%
1.2%
Q2 24
1.8%
1.5%
Cash Conversion
OSIS
OSIS
SEIC
SEIC
Q1 26
Q4 25
1.61×
0.73×
Q3 25
0.83×
1.45×
Q2 25
0.01×
0.43×
Q1 25
1.98×
0.97×
Q4 24
1.39×
1.25×
Q3 24
-2.07×
1.29×
Q2 24
-0.65×
0.82×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OSIS
OSIS

Security Division$334.7M72%
Optoelectronics And Manufacturing Division$92.8M20%
Healthcare Division$36.5M8%

SEIC
SEIC

Segment breakdown not available.

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