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Side-by-side financial comparison of Acadia Healthcare Company, Inc. (ACHC) and AAR CORP (AIR). Click either name above to swap in a different company.

Acadia Healthcare Company, Inc. is the larger business by last-quarter revenue ($821.5M vs $795.3M, roughly 1.0× AAR CORP). AAR CORP runs the higher net margin — 4.4% vs -143.3%, a 147.7% gap on every dollar of revenue. On growth, AAR CORP posted the faster year-over-year revenue change (15.9% vs 6.1%). AAR CORP produced more free cash flow last quarter ($6.2M vs $-179.5M).

Acadia Healthcare Company, Inc. is an American provider of for-profit behavioral healthcare services. It operates a network of over 225 facilities across the United States and Puerto Rico.

AAR Corp. is an American provider of aircraft maintenance services to commercial and government customers worldwide. The company is headquartered in Wood Dale, Illinois, a Chicago suburb. The company employs about 6,000 people, operating in about 30 different countries. John Holmes is the current CEO.

ACHC vs AIR — Head-to-Head

Bigger by revenue
ACHC
ACHC
1.0× larger
ACHC
$821.5M
$795.3M
AIR
Growing faster (revenue YoY)
AIR
AIR
+9.8% gap
AIR
15.9%
6.1%
ACHC
Higher net margin
AIR
AIR
147.7% more per $
AIR
4.4%
-143.3%
ACHC
More free cash flow
AIR
AIR
$185.7M more FCF
AIR
$6.2M
$-179.5M
ACHC

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ACHC
ACHC
AIR
AIR
Revenue
$821.5M
$795.3M
Net Profit
$-1.2B
$34.6M
Gross Margin
19.7%
Operating Margin
-142.4%
6.0%
Net Margin
-143.3%
4.4%
Revenue YoY
6.1%
15.9%
Net Profit YoY
-3710.4%
213.1%
EPS (diluted)
$-12.98
$0.90

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
ACHC
ACHC
AIR
AIR
Q4 25
$821.5M
$795.3M
Q3 25
$851.6M
$739.6M
Q2 25
$869.2M
Q1 25
$770.5M
Q4 24
$774.2M
Q3 24
$815.6M
Q2 24
$796.0M
Q1 24
$768.1M
Net Profit
ACHC
ACHC
AIR
AIR
Q4 25
$-1.2B
$34.6M
Q3 25
$36.2M
$34.4M
Q2 25
$30.1M
Q1 25
$8.4M
Q4 24
$32.6M
Q3 24
$68.1M
Q2 24
$78.5M
Q1 24
$76.4M
Gross Margin
ACHC
ACHC
AIR
AIR
Q4 25
19.7%
Q3 25
18.1%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
ACHC
ACHC
AIR
AIR
Q4 25
-142.4%
6.0%
Q3 25
4.7%
6.4%
Q2 25
5.8%
Q1 25
1.7%
Q4 24
4.9%
Q3 24
12.1%
Q2 24
13.4%
Q1 24
12.9%
Net Margin
ACHC
ACHC
AIR
AIR
Q4 25
-143.3%
4.4%
Q3 25
4.3%
4.7%
Q2 25
3.5%
Q1 25
1.1%
Q4 24
4.2%
Q3 24
8.4%
Q2 24
9.9%
Q1 24
9.9%
EPS (diluted)
ACHC
ACHC
AIR
AIR
Q4 25
$-12.98
$0.90
Q3 25
$0.40
$0.95
Q2 25
$0.33
Q1 25
$0.09
Q4 24
$0.36
Q3 24
$0.74
Q2 24
$0.85
Q1 24
$0.83

Balance Sheet & Financial Strength

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

Metric
ACHC
ACHC
AIR
AIR
Cash + ST InvestmentsLiquidity on hand
$133.2M
$75.6M
Total DebtLower is stronger
$2.5B
$952.7M
Stockholders' EquityBook value
$1.9B
$1.6B
Total Assets
$5.5B
$3.2B
Debt / EquityLower = less leverage
1.28×
0.61×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACHC
ACHC
AIR
AIR
Q4 25
$133.2M
$75.6M
Q3 25
$118.7M
$80.0M
Q2 25
$131.4M
Q1 25
$91.2M
Q4 24
$76.3M
Q3 24
$82.1M
Q2 24
$77.2M
Q1 24
$77.3M
Total Debt
ACHC
ACHC
AIR
AIR
Q4 25
$2.5B
$952.7M
Q3 25
$2.3B
$1.0B
Q2 25
$2.3B
Q1 25
$2.2B
Q4 24
$2.0B
Q3 24
$1.9B
Q2 24
$1.8B
Q1 24
$1.9B
Stockholders' Equity
ACHC
ACHC
AIR
AIR
Q4 25
$1.9B
$1.6B
Q3 25
$3.1B
$1.2B
Q2 25
$3.1B
Q1 25
$3.0B
Q4 24
$3.1B
Q3 24
$3.0B
Q2 24
$3.0B
Q1 24
$2.9B
Total Assets
ACHC
ACHC
AIR
AIR
Q4 25
$5.5B
$3.2B
Q3 25
$6.4B
$2.9B
Q2 25
$6.3B
Q1 25
$6.1B
Q4 24
$6.0B
Q3 24
$5.9B
Q2 24
$5.7B
Q1 24
$5.5B
Debt / Equity
ACHC
ACHC
AIR
AIR
Q4 25
1.28×
0.61×
Q3 25
0.74×
0.82×
Q2 25
0.74×
Q1 25
0.72×
Q4 24
0.64×
Q3 24
0.62×
Q2 24
0.62×
Q1 24
0.65×

Cash Flow & Capital Efficiency

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

Metric
ACHC
ACHC
AIR
AIR
Operating Cash FlowLast quarter
$-86.3M
$13.6M
Free Cash FlowOCF − Capex
$-179.5M
$6.2M
FCF MarginFCF / Revenue
-21.8%
0.8%
Capex IntensityCapex / Revenue
11.3%
0.9%
Cash ConversionOCF / Net Profit
0.39×
TTM Free Cash FlowTrailing 4 quarters
$-439.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACHC
ACHC
AIR
AIR
Q4 25
$-86.3M
$13.6M
Q3 25
$73.2M
$-44.9M
Q2 25
$133.5M
Q1 25
$11.5M
Q4 24
$116.7M
Q3 24
$163.1M
Q2 24
$171.1M
Q1 24
$-321.3M
Free Cash Flow
ACHC
ACHC
AIR
AIR
Q4 25
$-179.5M
$6.2M
Q3 25
$-63.0M
$-53.6M
Q2 25
$-34.2M
Q1 25
$-163.2M
Q4 24
$-86.8M
Q3 24
$-27.1M
Q2 24
$16.9M
Q1 24
$-463.7M
FCF Margin
ACHC
ACHC
AIR
AIR
Q4 25
-21.8%
0.8%
Q3 25
-7.4%
-7.2%
Q2 25
-3.9%
Q1 25
-21.2%
Q4 24
-11.2%
Q3 24
-3.3%
Q2 24
2.1%
Q1 24
-60.4%
Capex Intensity
ACHC
ACHC
AIR
AIR
Q4 25
11.3%
0.9%
Q3 25
16.0%
1.2%
Q2 25
19.3%
Q1 25
22.7%
Q4 24
26.3%
Q3 24
23.3%
Q2 24
19.4%
Q1 24
18.5%
Cash Conversion
ACHC
ACHC
AIR
AIR
Q4 25
0.39×
Q3 25
2.02×
-1.31×
Q2 25
4.43×
Q1 25
1.37×
Q4 24
3.58×
Q3 24
2.39×
Q2 24
2.18×
Q1 24
-4.21×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACHC
ACHC

Acute Inpatient Psychiatric Facilities$451.2M55%
Comprehensive Treatment Centers$144.2M18%
Medicare$113.7M14%
Residential Treatment Centers$89.7M11%
Self Payor$16.1M2%
Other Payor$10.7M1%

AIR
AIR

Commercial Customer$268.1M34%
Repair And Engineering$244.5M31%
Integrated Solutions$175.8M22%
Government And Defense Customer$85.5M11%
Expeditionary Services$21.4M3%

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