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Side-by-side financial comparison of Hamilton Insurance Group, Ltd. (HG) and OSI SYSTEMS INC (OSIS). Click either name above to swap in a different company.

Hamilton Insurance Group, Ltd. is the larger business by last-quarter revenue ($728.3M vs $464.1M, roughly 1.6× OSI SYSTEMS INC). Hamilton Insurance Group, Ltd. runs the higher net margin — 29.5% vs 8.3%, a 21.1% gap on every dollar of revenue. On growth, Hamilton Insurance Group, Ltd. posted the faster year-over-year revenue change (27.7% vs 10.5%). Over the past eight quarters, OSI SYSTEMS INC's revenue compounded faster (7.0% CAGR vs 5.2%).

White Mountains Insurance Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States, on October 25, 1999, the company conducts most of its business through its insurance subsidiaries and other affiliates.

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.

HG vs OSIS — Head-to-Head

Bigger by revenue
HG
HG
1.6× larger
HG
$728.3M
$464.1M
OSIS
Growing faster (revenue YoY)
HG
HG
+17.1% gap
HG
27.7%
10.5%
OSIS
Higher net margin
HG
HG
21.1% more per $
HG
29.5%
8.3%
OSIS
Faster 2-yr revenue CAGR
OSIS
OSIS
Annualised
OSIS
7.0%
5.2%
HG

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
HG
HG
OSIS
OSIS
Revenue
$728.3M
$464.1M
Net Profit
$214.6M
$38.7M
Gross Margin
32.7%
Operating Margin
26.0%
12.7%
Net Margin
29.5%
8.3%
Revenue YoY
27.7%
10.5%
Net Profit YoY
188.3%
2.3%
EPS (diluted)
$1.67
$2.22

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
HG
HG
OSIS
OSIS
Q4 25
$728.3M
$464.1M
Q3 25
$667.6M
$384.6M
Q2 25
$740.8M
$505.0M
Q1 25
$768.8M
$444.4M
Q4 24
$570.5M
$419.8M
Q3 24
$512.8M
$344.0M
Q2 24
$587.9M
$480.9M
Q1 24
$658.6M
$405.4M
Net Profit
HG
HG
OSIS
OSIS
Q4 25
$214.6M
$38.7M
Q3 25
$176.4M
$20.6M
Q2 25
$267.8M
$52.7M
Q1 25
$181.3M
$41.1M
Q4 24
$74.4M
$37.8M
Q3 24
$61.0M
$17.9M
Q2 24
$200.4M
$44.7M
Q1 24
$277.3M
$34.0M
Gross Margin
HG
HG
OSIS
OSIS
Q4 25
32.7%
Q3 25
32.0%
Q2 25
33.3%
Q1 25
33.8%
Q4 24
35.1%
Q3 24
35.3%
Q2 24
32.1%
Q1 24
33.6%
Operating Margin
HG
HG
OSIS
OSIS
Q4 25
26.0%
12.7%
Q3 25
27.0%
8.6%
Q2 25
36.5%
14.5%
Q1 25
24.0%
12.7%
Q4 24
13.4%
13.8%
Q3 24
12.5%
8.8%
Q2 24
34.5%
13.1%
Q1 24
42.2%
12.7%
Net Margin
HG
HG
OSIS
OSIS
Q4 25
29.5%
8.3%
Q3 25
26.4%
5.3%
Q2 25
36.1%
10.4%
Q1 25
23.6%
9.3%
Q4 24
13.0%
9.0%
Q3 24
11.9%
5.2%
Q2 24
34.1%
9.3%
Q1 24
42.1%
8.4%
EPS (diluted)
HG
HG
OSIS
OSIS
Q4 25
$1.67
$2.22
Q3 25
$1.32
$1.18
Q2 25
$1.79
$3.04
Q1 25
$0.77
$2.40
Q4 24
$0.35
$2.22
Q3 24
$0.74
$1.05
Q2 24
$1.20
$2.57
Q1 24
$1.38
$1.95

Balance Sheet & Financial Strength

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

Metric
HG
HG
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$1.1B
$336.7M
Total DebtLower is stronger
$149.7M
$1.0B
Stockholders' EquityBook value
$2.8B
$845.5M
Total Assets
$9.6B
$2.5B
Debt / EquityLower = less leverage
0.05×
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HG
HG
OSIS
OSIS
Q4 25
$1.1B
$336.7M
Q3 25
$955.1M
$124.4M
Q2 25
$985.6M
$106.4M
Q1 25
$838.5M
$95.8M
Q4 24
$996.5M
$101.6M
Q3 24
$957.4M
$85.1M
Q2 24
$1.0B
$95.4M
Q1 24
$1.1B
$101.4M
Total Debt
HG
HG
OSIS
OSIS
Q4 25
$149.7M
$1.0B
Q3 25
$149.7M
$442.2M
Q2 25
$149.7M
$471.6M
Q1 25
$150.0M
$473.2M
Q4 24
$149.9M
$474.8M
Q3 24
$149.9M
$476.3M
Q2 24
$149.9M
$137.6M
Q1 24
$149.9M
Stockholders' Equity
HG
HG
OSIS
OSIS
Q4 25
$2.8B
$845.5M
Q3 25
$2.7B
$946.0M
Q2 25
$2.6B
$951.1M
Q1 25
$2.4B
$879.3M
Q4 24
$2.3B
$825.8M
Q3 24
$2.3B
$786.5M
Q2 24
$2.2B
$863.5M
Q1 24
$2.2B
$813.4M
Total Assets
HG
HG
OSIS
OSIS
Q4 25
$9.6B
$2.5B
Q3 25
$9.2B
$2.3B
Q2 25
$8.9B
$2.2B
Q1 25
$8.3B
$2.1B
Q4 24
$7.8B
$2.1B
Q3 24
$7.8B
$2.1B
Q2 24
$7.6B
$1.9B
Q1 24
$7.3B
$1.8B
Debt / Equity
HG
HG
OSIS
OSIS
Q4 25
0.05×
1.19×
Q3 25
0.06×
0.47×
Q2 25
0.06×
0.50×
Q1 25
0.06×
0.54×
Q4 24
0.06×
0.57×
Q3 24
0.06×
0.61×
Q2 24
0.07×
0.16×
Q1 24
0.07×

Cash Flow & Capital Efficiency

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

Metric
HG
HG
OSIS
OSIS
Operating Cash FlowLast quarter
$293.4M
$62.2M
Free Cash FlowOCF − Capex
$55.5M
FCF MarginFCF / Revenue
12.0%
Capex IntensityCapex / Revenue
1.4%
Cash ConversionOCF / Net Profit
1.37×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HG
HG
OSIS
OSIS
Q4 25
$293.4M
$62.2M
Q3 25
$295.6M
$17.1M
Q2 25
$218.4M
$562.0K
Q1 25
$34.9M
$81.6M
Q4 24
$284.1M
$52.5M
Q3 24
$160.6M
$-37.2M
Q2 24
$156.4M
$-29.0M
Q1 24
$158.2M
$-52.1M
Free Cash Flow
HG
HG
OSIS
OSIS
Q4 25
$55.5M
Q3 25
$10.1M
Q2 25
$-5.6M
Q1 25
$77.1M
Q4 24
$47.1M
Q3 24
$-44.9M
Q2 24
$-37.5M
Q1 24
$-57.0M
FCF Margin
HG
HG
OSIS
OSIS
Q4 25
12.0%
Q3 25
2.6%
Q2 25
-1.1%
Q1 25
17.4%
Q4 24
11.2%
Q3 24
-13.0%
Q2 24
-7.8%
Q1 24
-14.1%
Capex Intensity
HG
HG
OSIS
OSIS
Q4 25
1.4%
Q3 25
1.8%
Q2 25
1.2%
Q1 25
1.0%
Q4 24
1.3%
Q3 24
2.2%
Q2 24
1.8%
Q1 24
1.2%
Cash Conversion
HG
HG
OSIS
OSIS
Q4 25
1.37×
1.61×
Q3 25
1.68×
0.83×
Q2 25
0.82×
0.01×
Q1 25
0.19×
1.98×
Q4 24
3.82×
1.39×
Q3 24
2.63×
-2.07×
Q2 24
0.78×
-0.65×
Q1 24
0.57×
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HG
HG

Segment breakdown not available.

OSIS
OSIS

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

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