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Side-by-side financial comparison of AFFILIATED MANAGERS GROUP, INC. (AMG) and CENTURY ALUMINUM CO (CENX). Click either name above to swap in a different company.

CENTURY ALUMINUM CO is the larger business by last-quarter revenue ($633.7M vs $556.6M, roughly 1.1× AFFILIATED MANAGERS GROUP, INC.). AFFILIATED MANAGERS GROUP, INC. runs the higher net margin — 62.4% vs 0.3%, a 62.1% gap on every dollar of revenue. On growth, AFFILIATED MANAGERS GROUP, INC. posted the faster year-over-year revenue change (6.2% vs 0.4%). AFFILIATED MANAGERS GROUP, INC. produced more free cash flow last quarter ($254.5M vs $67.7M). Over the past eight quarters, CENTURY ALUMINUM CO's revenue compounded faster (13.8% 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.

Century Aluminum Company is a US-based producer of primary aluminum, with aluminum plants in Kentucky, South Carolina and Iceland. It is the largest producer of primary aluminum in the United States. The company is a publicly held corporation listed on the NASDAQ. The headquarters is at One South Wacker in Chicago.

AMG vs CENX — Head-to-Head

Bigger by revenue
CENX
CENX
1.1× larger
CENX
$633.7M
$556.6M
AMG
Growing faster (revenue YoY)
AMG
AMG
+5.7% gap
AMG
6.2%
0.4%
CENX
Higher net margin
AMG
AMG
62.1% more per $
AMG
62.4%
0.3%
CENX
More free cash flow
AMG
AMG
$186.8M more FCF
AMG
$254.5M
$67.7M
CENX
Faster 2-yr revenue CAGR
CENX
CENX
Annualised
CENX
13.8%
5.5%
AMG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMG
AMG
CENX
CENX
Revenue
$556.6M
$633.7M
Net Profit
$347.5M
$1.8M
Gross Margin
13.0%
Operating Margin
94.4%
5.2%
Net Margin
62.4%
0.3%
Revenue YoY
6.2%
0.4%
Net Profit YoY
114.2%
-96.0%
EPS (diluted)
$10.87
$0.03

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
CENX
CENX
Q4 25
$556.6M
$633.7M
Q3 25
$528.0M
$632.2M
Q2 25
$493.2M
$628.1M
Q1 25
$496.6M
$633.9M
Q4 24
$524.3M
$630.9M
Q3 24
$516.4M
$539.1M
Q2 24
$500.3M
$560.8M
Q1 24
$499.9M
$489.5M
Net Profit
AMG
AMG
CENX
CENX
Q4 25
$347.5M
$1.8M
Q3 25
$212.4M
$14.9M
Q2 25
$84.3M
$-4.6M
Q1 25
$72.4M
$29.7M
Q4 24
$162.2M
$45.2M
Q3 24
$123.6M
$47.3M
Q2 24
$76.0M
$-2.5M
Q1 24
$149.8M
$246.8M
Gross Margin
AMG
AMG
CENX
CENX
Q4 25
13.0%
Q3 25
12.2%
Q2 25
5.8%
Q1 25
9.6%
Q4 24
10.5%
Q3 24
15.2%
Q2 24
3.6%
Q1 24
3.4%
Operating Margin
AMG
AMG
CENX
CENX
Q4 25
94.4%
5.2%
Q3 25
68.7%
9.2%
Q2 25
34.8%
3.3%
Q1 25
25.5%
7.3%
Q4 24
52.2%
7.8%
Q3 24
42.0%
11.8%
Q2 24
35.6%
1.1%
Q1 24
50.8%
0.4%
Net Margin
AMG
AMG
CENX
CENX
Q4 25
62.4%
0.3%
Q3 25
40.2%
2.4%
Q2 25
17.1%
-0.7%
Q1 25
14.6%
4.7%
Q4 24
30.9%
7.2%
Q3 24
23.9%
8.8%
Q2 24
15.2%
-0.4%
Q1 24
30.0%
50.4%
EPS (diluted)
AMG
AMG
CENX
CENX
Q4 25
$10.87
$0.03
Q3 25
$6.87
$0.15
Q2 25
$2.80
$-0.05
Q1 25
$2.20
$0.29
Q4 24
$4.95
$0.58
Q3 24
$3.78
$0.46
Q2 24
$2.26
$-0.03
Q1 24
$4.14
$2.26

Balance Sheet & Financial Strength

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

Metric
AMG
AMG
CENX
CENX
Cash + ST InvestmentsLiquidity on hand
$586.0M
$134.2M
Total DebtLower is stronger
$2.7B
Stockholders' EquityBook value
$3.2B
$805.6M
Total Assets
$9.2B
$2.3B
Debt / EquityLower = less leverage
0.83×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMG
AMG
CENX
CENX
Q4 25
$586.0M
$134.2M
Q3 25
$476.1M
$151.4M
Q2 25
$361.0M
$40.7M
Q1 25
$816.5M
$44.9M
Q4 24
$950.0M
$32.9M
Q3 24
$1.0B
Q2 24
$865.5M
$41.3M
Q1 24
$793.4M
$93.5M
Total Debt
AMG
AMG
CENX
CENX
Q4 25
$2.7B
Q3 25
$2.4B
Q2 25
$2.6B
Q1 25
$2.6B
Q4 24
$2.6B
Q3 24
$2.6B
Q2 24
$2.5B
Q1 24
$2.5B
Stockholders' Equity
AMG
AMG
CENX
CENX
Q4 25
$3.2B
$805.6M
Q3 25
$3.3B
$741.8M
Q2 25
$3.2B
$724.4M
Q1 25
$3.2B
$726.3M
Q4 24
$3.3B
$694.4M
Q3 24
$3.3B
$628.5M
Q2 24
$3.3B
$601.5M
Q1 24
$3.6B
$601.5M
Total Assets
AMG
AMG
CENX
CENX
Q4 25
$9.2B
$2.3B
Q3 25
$8.9B
$2.1B
Q2 25
$8.8B
$1.9B
Q1 25
$8.7B
$2.0B
Q4 24
$8.8B
$1.9B
Q3 24
$8.9B
$2.1B
Q2 24
$8.8B
$1.8B
Q1 24
$9.0B
$1.8B
Debt / Equity
AMG
AMG
CENX
CENX
Q4 25
0.83×
Q3 25
0.71×
Q2 25
0.81×
Q1 25
0.82×
Q4 24
0.78×
Q3 24
0.79×
Q2 24
0.76×
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
CENX
CENX
Operating Cash FlowLast quarter
$256.4M
$102.8M
Free Cash FlowOCF − Capex
$254.5M
$67.7M
FCF MarginFCF / Revenue
45.7%
10.7%
Capex IntensityCapex / Revenue
0.3%
5.5%
Cash ConversionOCF / Net Profit
0.74×
57.11×
TTM Free Cash FlowTrailing 4 quarters
$967.1M
$84.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMG
AMG
CENX
CENX
Q4 25
$256.4M
$102.8M
Q3 25
$277.1M
$2.0M
Q2 25
$230.8M
$7.9M
Q1 25
$208.9M
$72.3M
Q4 24
$212.5M
$-41.4M
Q3 24
$265.2M
$20.1M
Q2 24
$245.2M
$11.5M
Q1 24
$209.2M
$-14.8M
Free Cash Flow
AMG
AMG
CENX
CENX
Q4 25
$254.5M
$67.7M
Q3 25
$275.9M
$-18.1M
Q2 25
$229.4M
$-15.9M
Q1 25
$207.3M
$51.1M
Q4 24
$211.4M
$-54.6M
Q3 24
$264.5M
$-2.4M
Q2 24
$244.6M
$-5.4M
Q1 24
$208.2M
$-44.5M
FCF Margin
AMG
AMG
CENX
CENX
Q4 25
45.7%
10.7%
Q3 25
52.3%
-2.9%
Q2 25
46.5%
-2.5%
Q1 25
41.7%
8.1%
Q4 24
40.3%
-8.7%
Q3 24
51.2%
-0.4%
Q2 24
48.9%
-1.0%
Q1 24
41.6%
-9.1%
Capex Intensity
AMG
AMG
CENX
CENX
Q4 25
0.3%
5.5%
Q3 25
0.2%
3.2%
Q2 25
0.3%
3.8%
Q1 25
0.3%
3.3%
Q4 24
0.2%
2.1%
Q3 24
0.1%
4.2%
Q2 24
0.1%
3.0%
Q1 24
0.2%
6.1%
Cash Conversion
AMG
AMG
CENX
CENX
Q4 25
0.74×
57.11×
Q3 25
1.30×
0.13×
Q2 25
2.74×
Q1 25
2.89×
2.43×
Q4 24
1.31×
-0.92×
Q3 24
2.15×
0.42×
Q2 24
3.23×
Q1 24
1.40×
-0.06×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMG
AMG

Segment breakdown not available.

CENX
CENX

Aluminum$566.3M89%
Alumina$67.4M11%

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