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Side-by-side financial comparison of AFFILIATED MANAGERS GROUP, INC. (AMG) and OSI SYSTEMS INC (OSIS). Click either name above to swap in a different company.

AFFILIATED MANAGERS GROUP, INC. is the larger business by last-quarter revenue ($556.6M vs $464.1M, roughly 1.2× OSI SYSTEMS INC). AFFILIATED MANAGERS GROUP, INC. runs the higher net margin — 62.4% vs 8.3%, a 54.1% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs 6.2%). AFFILIATED MANAGERS GROUP, INC. produced more free cash flow last quarter ($254.5M vs $55.5M). Over the past eight quarters, OSI SYSTEMS INC's revenue compounded faster (7.0% CAGR vs 5.5%).

Affiliated Managers Group, Inc. (AMG) is an American financial services firm founded in 1993 and headquartered in West Palm Beach, Florida. The company's stock trades on the New York Stock Exchange under the symbol AMG, and is listed on the S&P 400 for mid-size American firms.

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.

AMG vs OSIS — Head-to-Head

Bigger by revenue
AMG
AMG
1.2× larger
AMG
$556.6M
$464.1M
OSIS
Growing faster (revenue YoY)
OSIS
OSIS
+4.4% gap
OSIS
10.5%
6.2%
AMG
Higher net margin
AMG
AMG
54.1% more per $
AMG
62.4%
8.3%
OSIS
More free cash flow
AMG
AMG
$199.0M more FCF
AMG
$254.5M
$55.5M
OSIS
Faster 2-yr revenue CAGR
OSIS
OSIS
Annualised
OSIS
7.0%
5.5%
AMG

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
AMG
AMG
OSIS
OSIS
Revenue
$556.6M
$464.1M
Net Profit
$347.5M
$38.7M
Gross Margin
32.7%
Operating Margin
94.4%
12.7%
Net Margin
62.4%
8.3%
Revenue YoY
6.2%
10.5%
Net Profit YoY
114.2%
2.3%
EPS (diluted)
$10.87
$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
AMG
AMG
OSIS
OSIS
Q4 25
$556.6M
$464.1M
Q3 25
$528.0M
$384.6M
Q2 25
$493.2M
$505.0M
Q1 25
$496.6M
$444.4M
Q4 24
$524.3M
$419.8M
Q3 24
$516.4M
$344.0M
Q2 24
$500.3M
$480.9M
Q1 24
$499.9M
$405.4M
Net Profit
AMG
AMG
OSIS
OSIS
Q4 25
$347.5M
$38.7M
Q3 25
$212.4M
$20.6M
Q2 25
$84.3M
$52.7M
Q1 25
$72.4M
$41.1M
Q4 24
$162.2M
$37.8M
Q3 24
$123.6M
$17.9M
Q2 24
$76.0M
$44.7M
Q1 24
$149.8M
$34.0M
Gross Margin
AMG
AMG
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
AMG
AMG
OSIS
OSIS
Q4 25
94.4%
12.7%
Q3 25
68.7%
8.6%
Q2 25
34.8%
14.5%
Q1 25
25.5%
12.7%
Q4 24
52.2%
13.8%
Q3 24
42.0%
8.8%
Q2 24
35.6%
13.1%
Q1 24
50.8%
12.7%
Net Margin
AMG
AMG
OSIS
OSIS
Q4 25
62.4%
8.3%
Q3 25
40.2%
5.3%
Q2 25
17.1%
10.4%
Q1 25
14.6%
9.3%
Q4 24
30.9%
9.0%
Q3 24
23.9%
5.2%
Q2 24
15.2%
9.3%
Q1 24
30.0%
8.4%
EPS (diluted)
AMG
AMG
OSIS
OSIS
Q4 25
$10.87
$2.22
Q3 25
$6.87
$1.18
Q2 25
$2.80
$3.04
Q1 25
$2.20
$2.40
Q4 24
$4.95
$2.22
Q3 24
$3.78
$1.05
Q2 24
$2.26
$2.57
Q1 24
$4.14
$1.95

Balance Sheet & Financial Strength

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

Metric
AMG
AMG
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$586.0M
$336.7M
Total DebtLower is stronger
$2.7B
$1.0B
Stockholders' EquityBook value
$3.2B
$845.5M
Total Assets
$9.2B
$2.5B
Debt / EquityLower = less leverage
0.83×
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMG
AMG
OSIS
OSIS
Q4 25
$586.0M
$336.7M
Q3 25
$476.1M
$124.4M
Q2 25
$361.0M
$106.4M
Q1 25
$816.5M
$95.8M
Q4 24
$950.0M
$101.6M
Q3 24
$1.0B
$85.1M
Q2 24
$865.5M
$95.4M
Q1 24
$793.4M
$101.4M
Total Debt
AMG
AMG
OSIS
OSIS
Q4 25
$2.7B
$1.0B
Q3 25
$2.4B
$442.2M
Q2 25
$2.6B
$471.6M
Q1 25
$2.6B
$473.2M
Q4 24
$2.6B
$474.8M
Q3 24
$2.6B
$476.3M
Q2 24
$2.5B
$137.6M
Q1 24
$2.5B
Stockholders' Equity
AMG
AMG
OSIS
OSIS
Q4 25
$3.2B
$845.5M
Q3 25
$3.3B
$946.0M
Q2 25
$3.2B
$951.1M
Q1 25
$3.2B
$879.3M
Q4 24
$3.3B
$825.8M
Q3 24
$3.3B
$786.5M
Q2 24
$3.3B
$863.5M
Q1 24
$3.6B
$813.4M
Total Assets
AMG
AMG
OSIS
OSIS
Q4 25
$9.2B
$2.5B
Q3 25
$8.9B
$2.3B
Q2 25
$8.8B
$2.2B
Q1 25
$8.7B
$2.1B
Q4 24
$8.8B
$2.1B
Q3 24
$8.9B
$2.1B
Q2 24
$8.8B
$1.9B
Q1 24
$9.0B
$1.8B
Debt / Equity
AMG
AMG
OSIS
OSIS
Q4 25
0.83×
1.19×
Q3 25
0.71×
0.47×
Q2 25
0.81×
0.50×
Q1 25
0.82×
0.54×
Q4 24
0.78×
0.57×
Q3 24
0.79×
0.61×
Q2 24
0.76×
0.16×
Q1 24
0.70×

Cash Flow & Capital Efficiency

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

Metric
AMG
AMG
OSIS
OSIS
Operating Cash FlowLast quarter
$256.4M
$62.2M
Free Cash FlowOCF − Capex
$254.5M
$55.5M
FCF MarginFCF / Revenue
45.7%
12.0%
Capex IntensityCapex / Revenue
0.3%
1.4%
Cash ConversionOCF / Net Profit
0.74×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$967.1M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMG
AMG
OSIS
OSIS
Q4 25
$256.4M
$62.2M
Q3 25
$277.1M
$17.1M
Q2 25
$230.8M
$562.0K
Q1 25
$208.9M
$81.6M
Q4 24
$212.5M
$52.5M
Q3 24
$265.2M
$-37.2M
Q2 24
$245.2M
$-29.0M
Q1 24
$209.2M
$-52.1M
Free Cash Flow
AMG
AMG
OSIS
OSIS
Q4 25
$254.5M
$55.5M
Q3 25
$275.9M
$10.1M
Q2 25
$229.4M
$-5.6M
Q1 25
$207.3M
$77.1M
Q4 24
$211.4M
$47.1M
Q3 24
$264.5M
$-44.9M
Q2 24
$244.6M
$-37.5M
Q1 24
$208.2M
$-57.0M
FCF Margin
AMG
AMG
OSIS
OSIS
Q4 25
45.7%
12.0%
Q3 25
52.3%
2.6%
Q2 25
46.5%
-1.1%
Q1 25
41.7%
17.4%
Q4 24
40.3%
11.2%
Q3 24
51.2%
-13.0%
Q2 24
48.9%
-7.8%
Q1 24
41.6%
-14.1%
Capex Intensity
AMG
AMG
OSIS
OSIS
Q4 25
0.3%
1.4%
Q3 25
0.2%
1.8%
Q2 25
0.3%
1.2%
Q1 25
0.3%
1.0%
Q4 24
0.2%
1.3%
Q3 24
0.1%
2.2%
Q2 24
0.1%
1.8%
Q1 24
0.2%
1.2%
Cash Conversion
AMG
AMG
OSIS
OSIS
Q4 25
0.74×
1.61×
Q3 25
1.30×
0.83×
Q2 25
2.74×
0.01×
Q1 25
2.89×
1.98×
Q4 24
1.31×
1.39×
Q3 24
2.15×
-2.07×
Q2 24
3.23×
-0.65×
Q1 24
1.40×
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMG
AMG

Segment breakdown not available.

OSIS
OSIS

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

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