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

CoStar Group is the larger business by last-quarter revenue ($899.9M vs $556.6M, roughly 1.6× AFFILIATED MANAGERS GROUP, INC.). AFFILIATED MANAGERS GROUP, INC. runs the higher net margin — 62.4% vs 5.2%, a 57.3% gap on every dollar of revenue. On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs 6.2%). AFFILIATED MANAGERS GROUP, INC. produced more free cash flow last quarter ($254.5M vs $101.3M). Over the past eight quarters, CoStar Group's revenue compounded faster (17.1% 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.

CoStar Group, Inc. is an American provider of information, analytics, and marketing services to the commercial property industry in North America and Europe. Founded in 1987 by Andrew C. Florance and based in Arlington, Virginia, the company operates the CoStar online database and news website and several online marketplaces, including Apartments.com and Homes.com.

AMG vs CSGP — Head-to-Head

Bigger by revenue
CSGP
CSGP
1.6× larger
CSGP
$899.9M
$556.6M
AMG
Growing faster (revenue YoY)
CSGP
CSGP
+20.7% gap
CSGP
26.9%
6.2%
AMG
Higher net margin
AMG
AMG
57.3% more per $
AMG
62.4%
5.2%
CSGP
More free cash flow
AMG
AMG
$153.2M more FCF
AMG
$254.5M
$101.3M
CSGP
Faster 2-yr revenue CAGR
CSGP
CSGP
Annualised
CSGP
17.1%
5.5%
AMG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMG
AMG
CSGP
CSGP
Revenue
$556.6M
$899.9M
Net Profit
$347.5M
$46.5M
Gross Margin
78.6%
Operating Margin
94.4%
5.5%
Net Margin
62.4%
5.2%
Revenue YoY
6.2%
26.9%
Net Profit YoY
114.2%
-22.2%
EPS (diluted)
$10.87
$0.12

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
CSGP
CSGP
Q4 25
$556.6M
$899.9M
Q3 25
$528.0M
$833.6M
Q2 25
$493.2M
$781.3M
Q1 25
$496.6M
$732.2M
Q4 24
$524.3M
$709.4M
Q3 24
$516.4M
$692.6M
Q2 24
$500.3M
$677.8M
Q1 24
$499.9M
$656.4M
Net Profit
AMG
AMG
CSGP
CSGP
Q4 25
$347.5M
$46.5M
Q3 25
$212.4M
$-30.9M
Q2 25
$84.3M
$6.2M
Q1 25
$72.4M
$-14.8M
Q4 24
$162.2M
$59.8M
Q3 24
$123.6M
$53.0M
Q2 24
$76.0M
$19.2M
Q1 24
$149.8M
$6.7M
Gross Margin
AMG
AMG
CSGP
CSGP
Q4 25
78.6%
Q3 25
79.3%
Q2 25
78.5%
Q1 25
79.1%
Q4 24
80.1%
Q3 24
79.7%
Q2 24
80.0%
Q1 24
78.5%
Operating Margin
AMG
AMG
CSGP
CSGP
Q4 25
94.4%
5.5%
Q3 25
68.7%
-6.1%
Q2 25
34.8%
-3.5%
Q1 25
25.5%
-5.8%
Q4 24
52.2%
5.6%
Q3 24
42.0%
3.4%
Q2 24
35.6%
-2.4%
Q1 24
50.8%
-6.5%
Net Margin
AMG
AMG
CSGP
CSGP
Q4 25
62.4%
5.2%
Q3 25
40.2%
-3.7%
Q2 25
17.1%
0.8%
Q1 25
14.6%
-2.0%
Q4 24
30.9%
8.4%
Q3 24
23.9%
7.7%
Q2 24
15.2%
2.8%
Q1 24
30.0%
1.0%
EPS (diluted)
AMG
AMG
CSGP
CSGP
Q4 25
$10.87
$0.12
Q3 25
$6.87
$-0.07
Q2 25
$2.80
$0.01
Q1 25
$2.20
$-0.04
Q4 24
$4.95
$0.14
Q3 24
$3.78
$0.13
Q2 24
$2.26
$0.05
Q1 24
$4.14
$0.02

Balance Sheet & Financial Strength

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

Metric
AMG
AMG
CSGP
CSGP
Cash + ST InvestmentsLiquidity on hand
$586.0M
$1.6B
Total DebtLower is stronger
$2.7B
$140.0M
Stockholders' EquityBook value
$3.2B
$8.3B
Total Assets
$9.2B
$10.5B
Debt / EquityLower = less leverage
0.83×
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMG
AMG
CSGP
CSGP
Q4 25
$586.0M
$1.6B
Q3 25
$476.1M
$1.9B
Q2 25
$361.0M
$3.6B
Q1 25
$816.5M
$3.7B
Q4 24
$950.0M
$4.7B
Q3 24
$1.0B
Q2 24
$865.5M
Q1 24
$793.4M
Total Debt
AMG
AMG
CSGP
CSGP
Q4 25
$2.7B
$140.0M
Q3 25
$2.4B
$1.0B
Q2 25
$2.6B
$1.0B
Q1 25
$2.6B
$1.0B
Q4 24
$2.6B
$1.0B
Q3 24
$2.6B
$1.0B
Q2 24
$2.5B
$1.0B
Q1 24
$2.5B
$1.0B
Stockholders' Equity
AMG
AMG
CSGP
CSGP
Q4 25
$3.2B
$8.3B
Q3 25
$3.3B
$8.6B
Q2 25
$3.2B
$8.6B
Q1 25
$3.2B
$8.6B
Q4 24
$3.3B
$7.6B
Q3 24
$3.3B
$7.5B
Q2 24
$3.3B
$7.4B
Q1 24
$3.6B
$7.3B
Total Assets
AMG
AMG
CSGP
CSGP
Q4 25
$9.2B
$10.5B
Q3 25
$8.9B
$10.8B
Q2 25
$8.8B
$10.5B
Q1 25
$8.7B
$10.4B
Q4 24
$8.8B
$9.3B
Q3 24
$8.9B
$9.1B
Q2 24
$8.8B
$9.1B
Q1 24
$9.0B
$9.0B
Debt / Equity
AMG
AMG
CSGP
CSGP
Q4 25
0.83×
0.02×
Q3 25
0.71×
0.12×
Q2 25
0.81×
0.12×
Q1 25
0.82×
0.12×
Q4 24
0.78×
0.13×
Q3 24
0.79×
0.13×
Q2 24
0.76×
0.14×
Q1 24
0.70×
0.14×

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
CSGP
CSGP
Operating Cash FlowLast quarter
$256.4M
$162.1M
Free Cash FlowOCF − Capex
$254.5M
$101.3M
FCF MarginFCF / Revenue
45.7%
11.3%
Capex IntensityCapex / Revenue
0.3%
6.8%
Cash ConversionOCF / Net Profit
0.74×
3.49×
TTM Free Cash FlowTrailing 4 quarters
$967.1M
$123.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMG
AMG
CSGP
CSGP
Q4 25
$256.4M
$162.1M
Q3 25
$277.1M
$68.2M
Q2 25
$230.8M
$146.5M
Q1 25
$208.9M
$53.2M
Q4 24
$212.5M
$94.6M
Q3 24
$265.2M
$100.3M
Q2 24
$245.2M
$58.1M
Q1 24
$209.2M
$139.6M
Free Cash Flow
AMG
AMG
CSGP
CSGP
Q4 25
$254.5M
$101.3M
Q3 25
$275.9M
$-5.5M
Q2 25
$229.4M
$27.7M
Q1 25
$207.3M
$-500.0K
Q4 24
$211.4M
$25.2M
Q3 24
$264.5M
$40.2M
Q2 24
$244.6M
$-14.7M
Q1 24
$208.2M
$-237.1M
FCF Margin
AMG
AMG
CSGP
CSGP
Q4 25
45.7%
11.3%
Q3 25
52.3%
-0.7%
Q2 25
46.5%
3.5%
Q1 25
41.7%
-0.1%
Q4 24
40.3%
3.6%
Q3 24
51.2%
5.8%
Q2 24
48.9%
-2.2%
Q1 24
41.6%
-36.1%
Capex Intensity
AMG
AMG
CSGP
CSGP
Q4 25
0.3%
6.8%
Q3 25
0.2%
8.8%
Q2 25
0.3%
15.2%
Q1 25
0.3%
7.3%
Q4 24
0.2%
9.8%
Q3 24
0.1%
8.7%
Q2 24
0.1%
10.7%
Q1 24
0.2%
57.4%
Cash Conversion
AMG
AMG
CSGP
CSGP
Q4 25
0.74×
3.49×
Q3 25
1.30×
Q2 25
2.74×
23.63×
Q1 25
2.89×
Q4 24
1.31×
1.58×
Q3 24
2.15×
1.89×
Q2 24
3.23×
3.03×
Q1 24
1.40×
20.84×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMG
AMG

Segment breakdown not available.

CSGP
CSGP

Co Star$503.8M56%
Other$283.0M31%
Loop Net$94.7M11%

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