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Side-by-side financial comparison of AFFILIATED MANAGERS GROUP, INC. (AMG) and P3 Health Partners Inc. (PIII). 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 $384.8M, roughly 1.4× P3 Health Partners Inc.). AFFILIATED MANAGERS GROUP, INC. runs the higher net margin — 62.4% vs -19.6%, a 82.1% gap on every dollar of revenue. On growth, AFFILIATED MANAGERS GROUP, INC. posted the faster year-over-year revenue change (6.2% vs 3.8%). Over the past eight quarters, AFFILIATED MANAGERS GROUP, INC.'s revenue compounded faster (5.5% CAGR vs -0.5%).

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.

P3 Health Partners Inc. is a population health management and value-based care services firm operating primarily in the United States. It partners with primary care providers and health systems to deliver coordinated, high-quality care for patient populations, especially Medicare Advantage beneficiaries, focusing on improving health outcomes and lowering unnecessary healthcare costs.

AMG vs PIII — Head-to-Head

Bigger by revenue
AMG
AMG
1.4× larger
AMG
$556.6M
$384.8M
PIII
Growing faster (revenue YoY)
AMG
AMG
+2.3% gap
AMG
6.2%
3.8%
PIII
Higher net margin
AMG
AMG
82.1% more per $
AMG
62.4%
-19.6%
PIII
Faster 2-yr revenue CAGR
AMG
AMG
Annualised
AMG
5.5%
-0.5%
PIII

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMG
AMG
PIII
PIII
Revenue
$556.6M
$384.8M
Net Profit
$347.5M
$-75.5M
Gross Margin
Operating Margin
94.4%
-40.0%
Net Margin
62.4%
-19.6%
Revenue YoY
6.2%
3.8%
Net Profit YoY
114.2%
-28.8%
EPS (diluted)
$10.87
$-23.08

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
PIII
PIII
Q4 25
$556.6M
$384.8M
Q3 25
$528.0M
$345.3M
Q2 25
$493.2M
$355.8M
Q1 25
$496.6M
$373.2M
Q4 24
$524.3M
$370.7M
Q3 24
$516.4M
$362.1M
Q2 24
$500.3M
$379.2M
Q1 24
$499.9M
$388.5M
Net Profit
AMG
AMG
PIII
PIII
Q4 25
$347.5M
$-75.5M
Q3 25
$212.4M
$-31.6M
Q2 25
$84.3M
$-20.4M
Q1 25
$72.4M
$-20.5M
Q4 24
$162.2M
$-58.6M
Q3 24
$123.6M
$-46.5M
Q2 24
$76.0M
$-12.0M
Q1 24
$149.8M
$-18.7M
Operating Margin
AMG
AMG
PIII
PIII
Q4 25
94.4%
-40.0%
Q3 25
68.7%
-12.8%
Q2 25
34.8%
-9.6%
Q1 25
25.5%
-10.2%
Q4 24
52.2%
-37.4%
Q3 24
42.0%
-29.5%
Q2 24
35.6%
-8.3%
Q1 24
50.8%
-11.3%
Net Margin
AMG
AMG
PIII
PIII
Q4 25
62.4%
-19.6%
Q3 25
40.2%
-9.1%
Q2 25
17.1%
-5.7%
Q1 25
14.6%
-5.5%
Q4 24
30.9%
-15.8%
Q3 24
23.9%
-12.8%
Q2 24
15.2%
-3.2%
Q1 24
30.0%
-4.8%
EPS (diluted)
AMG
AMG
PIII
PIII
Q4 25
$10.87
$-23.08
Q3 25
$6.87
$-9.67
Q2 25
$2.80
$-6.23
Q1 25
$2.20
$-6.28
Q4 24
$4.95
$-23.13
Q3 24
$3.78
$-15.70
Q2 24
$2.26
$-7.37
Q1 24
$4.14
$-7.86

Balance Sheet & Financial Strength

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

Metric
AMG
AMG
PIII
PIII
Cash + ST InvestmentsLiquidity on hand
$586.0M
$25.0M
Total DebtLower is stronger
$2.7B
$228.4M
Stockholders' EquityBook value
$3.2B
$-155.2M
Total Assets
$9.2B
$656.6M
Debt / EquityLower = less leverage
0.83×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMG
AMG
PIII
PIII
Q4 25
$586.0M
$25.0M
Q3 25
$476.1M
$37.7M
Q2 25
$361.0M
$38.6M
Q1 25
$816.5M
$40.1M
Q4 24
$950.0M
$38.8M
Q3 24
$1.0B
$63.0M
Q2 24
$865.5M
$73.1M
Q1 24
$793.4M
$27.3M
Total Debt
AMG
AMG
PIII
PIII
Q4 25
$2.7B
$228.4M
Q3 25
$2.4B
$252.8M
Q2 25
$2.6B
$182.0M
Q1 25
$2.6B
$171.1M
Q4 24
$2.6B
$108.9M
Q3 24
$2.6B
$133.2M
Q2 24
$2.5B
$133.1M
Q1 24
$2.5B
$118.1M
Stockholders' Equity
AMG
AMG
PIII
PIII
Q4 25
$3.2B
$-155.2M
Q3 25
$3.3B
$-18.7M
Q2 25
$3.2B
$44.5M
Q1 25
$3.2B
$63.3M
Q4 24
$3.3B
$75.9M
Q3 24
$3.3B
$120.5M
Q2 24
$3.3B
$166.8M
Q1 24
$3.6B
$146.6M
Total Assets
AMG
AMG
PIII
PIII
Q4 25
$9.2B
$656.6M
Q3 25
$8.9B
$683.6M
Q2 25
$8.8B
$731.6M
Q1 25
$8.7B
$783.9M
Q4 24
$8.8B
$783.4M
Q3 24
$8.9B
$833.3M
Q2 24
$8.8B
$892.8M
Q1 24
$9.0B
$855.9M
Debt / Equity
AMG
AMG
PIII
PIII
Q4 25
0.83×
Q3 25
0.71×
Q2 25
0.81×
4.09×
Q1 25
0.82×
2.71×
Q4 24
0.78×
1.43×
Q3 24
0.79×
1.11×
Q2 24
0.76×
0.80×
Q1 24
0.70×
0.81×

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
PIII
PIII
Operating Cash FlowLast quarter
$256.4M
$-25.7M
Free Cash FlowOCF − Capex
$254.5M
FCF MarginFCF / Revenue
45.7%
Capex IntensityCapex / Revenue
0.3%
Cash ConversionOCF / Net Profit
0.74×
TTM Free Cash FlowTrailing 4 quarters
$967.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMG
AMG
PIII
PIII
Q4 25
$256.4M
$-25.7M
Q3 25
$277.1M
$-15.4M
Q2 25
$230.8M
$-16.6M
Q1 25
$208.9M
$-33.5M
Q4 24
$212.5M
$-57.2M
Q3 24
$265.2M
$-22.6M
Q2 24
$245.2M
$-10.2M
Q1 24
$209.2M
$-20.0M
Free Cash Flow
AMG
AMG
PIII
PIII
Q4 25
$254.5M
Q3 25
$275.9M
Q2 25
$229.4M
Q1 25
$207.3M
Q4 24
$211.4M
Q3 24
$264.5M
Q2 24
$244.6M
Q1 24
$208.2M
FCF Margin
AMG
AMG
PIII
PIII
Q4 25
45.7%
Q3 25
52.3%
Q2 25
46.5%
Q1 25
41.7%
Q4 24
40.3%
Q3 24
51.2%
Q2 24
48.9%
Q1 24
41.6%
Capex Intensity
AMG
AMG
PIII
PIII
Q4 25
0.3%
Q3 25
0.2%
Q2 25
0.3%
Q1 25
0.3%
Q4 24
0.2%
0.0%
Q3 24
0.1%
0.0%
Q2 24
0.1%
0.0%
Q1 24
0.2%
0.0%
Cash Conversion
AMG
AMG
PIII
PIII
Q4 25
0.74×
Q3 25
1.30×
Q2 25
2.74×
Q1 25
2.89×
Q4 24
1.31×
Q3 24
2.15×
Q2 24
3.23×
Q1 24
1.40×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMG
AMG

Segment breakdown not available.

PIII
PIII

Capitated Revenue$366.2M95%
Health Care Patient Service$18.6M5%
Health Care Care Coordination Management Fees$2.7M1%

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