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Side-by-side financial comparison of F5, Inc. (FFIV) and SELECT MEDICAL HOLDINGS CORP (SEM). Click either name above to swap in a different company.

SELECT MEDICAL HOLDINGS CORP is the larger business by last-quarter revenue ($1.4B vs $811.7M, roughly 1.8× F5, Inc.). F5, Inc. runs the higher net margin — 18.2% vs 4.5%, a 13.7% gap on every dollar of revenue. On growth, F5, Inc. posted the faster year-over-year revenue change (11.0% vs 5.0%). Over the past eight quarters, F5, Inc.'s revenue compounded faster (8.0% CAGR vs 5.3%).

F5, Inc. is an American technology company specializing in application security, multi-cloud management, online fraud prevention, application delivery networking (ADN), application availability and performance, and network security, access, and authorization.

Select Medical is a healthcare company based in Pennsylvania. It owns long-term acute care and inpatient rehabilitation hospitals, as well as occupational health and physical therapy clinics. Select Medical is a subsidiary of Select Medical Holdings, which is listed on the New York Stock Exchange.

FFIV vs SEM — Head-to-Head

Bigger by revenue
SEM
SEM
1.8× larger
SEM
$1.4B
$811.7M
FFIV
Growing faster (revenue YoY)
FFIV
FFIV
+6.0% gap
FFIV
11.0%
5.0%
SEM
Higher net margin
FFIV
FFIV
13.7% more per $
FFIV
18.2%
4.5%
SEM
Faster 2-yr revenue CAGR
FFIV
FFIV
Annualised
FFIV
8.0%
5.3%
SEM

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
FFIV
FFIV
SEM
SEM
Revenue
$811.7M
$1.4B
Net Profit
$148.0M
$63.8M
Gross Margin
81.4%
Operating Margin
22.1%
6.9%
Net Margin
18.2%
4.5%
Revenue YoY
11.0%
5.0%
Net Profit YoY
1.5%
-14.7%
EPS (diluted)
$2.58
$0.35

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
FFIV
FFIV
SEM
SEM
Q1 26
$811.7M
$1.4B
Q4 25
$822.5M
$1.4B
Q3 25
$810.1M
$1.4B
Q2 25
$780.4M
$1.3B
Q1 25
$731.1M
$1.4B
Q4 24
$766.5M
$1.3B
Q3 24
$746.7M
$1.3B
Q2 24
$695.5M
$1.3B
Net Profit
FFIV
FFIV
SEM
SEM
Q1 26
$148.0M
$63.8M
Q4 25
$180.1M
$20.2M
Q3 25
$190.5M
$28.8M
Q2 25
$189.9M
$40.6M
Q1 25
$145.5M
$56.7M
Q4 24
$166.4M
$-16.1M
Q3 24
$165.3M
$55.6M
Q2 24
$144.1M
$77.6M
Gross Margin
FFIV
FFIV
SEM
SEM
Q1 26
81.4%
Q4 25
81.5%
Q3 25
82.2%
Q2 25
81.0%
Q1 25
80.7%
Q4 24
81.7%
Q3 24
80.8%
Q2 24
80.4%
Operating Margin
FFIV
FFIV
SEM
SEM
Q1 26
22.1%
6.9%
Q4 25
26.0%
4.6%
Q3 25
25.4%
5.4%
Q2 25
25.2%
6.5%
Q1 25
21.7%
8.3%
Q4 24
26.8%
1.6%
Q3 24
25.6%
4.3%
Q2 24
23.4%
5.8%
Net Margin
FFIV
FFIV
SEM
SEM
Q1 26
18.2%
4.5%
Q4 25
21.9%
1.4%
Q3 25
23.5%
2.1%
Q2 25
24.3%
3.0%
Q1 25
19.9%
4.2%
Q4 24
21.7%
-1.2%
Q3 24
22.1%
4.4%
Q2 24
20.7%
6.1%
EPS (diluted)
FFIV
FFIV
SEM
SEM
Q1 26
$2.58
$0.35
Q4 25
$3.10
$0.17
Q3 25
$3.25
$0.23
Q2 25
$3.25
$0.32
Q1 25
$2.48
$0.44
Q4 24
$2.82
$-0.12
Q3 24
$2.79
$0.43
Q2 24
$2.44
$0.60

Balance Sheet & Financial Strength

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

Metric
FFIV
FFIV
SEM
SEM
Cash + ST InvestmentsLiquidity on hand
$1.4B
$25.7M
Total DebtLower is stronger
$1.8B
Stockholders' EquityBook value
$3.6B
$2.1B
Total Assets
$6.5B
$6.0B
Debt / EquityLower = less leverage
0.88×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FFIV
FFIV
SEM
SEM
Q1 26
$1.4B
$25.7M
Q4 25
$1.2B
$26.5M
Q3 25
$1.3B
$60.1M
Q2 25
$1.4B
$52.3M
Q1 25
$1.3B
$53.2M
Q4 24
$1.2B
$59.7M
Q3 24
$1.1B
$191.5M
Q2 24
$935.6M
$111.2M
Total Debt
FFIV
FFIV
SEM
SEM
Q1 26
$1.8B
Q4 25
$1.8B
Q3 25
$1.7B
Q2 25
$1.8B
Q1 25
$1.8B
Q4 24
$1.7B
Q3 24
$3.1B
Q2 24
$3.6B
Stockholders' Equity
FFIV
FFIV
SEM
SEM
Q1 26
$3.6B
$2.1B
Q4 25
$3.5B
$1.7B
Q3 25
$3.6B
$1.7B
Q2 25
$3.5B
$1.7B
Q1 25
$3.3B
$1.7B
Q4 24
$3.2B
$1.7B
Q3 24
$3.1B
$1.9B
Q2 24
$3.0B
$1.4B
Total Assets
FFIV
FFIV
SEM
SEM
Q1 26
$6.5B
$6.0B
Q4 25
$6.3B
$5.9B
Q3 25
$6.3B
$5.7B
Q2 25
$6.1B
$5.7B
Q1 25
$5.9B
$5.7B
Q4 24
$5.9B
$5.6B
Q3 24
$5.6B
$8.0B
Q2 24
$5.4B
$7.9B
Debt / Equity
FFIV
FFIV
SEM
SEM
Q1 26
0.88×
Q4 25
1.06×
Q3 25
1.03×
Q2 25
1.10×
Q1 25
1.03×
Q4 24
1.01×
Q3 24
1.62×
Q2 24
2.54×

Cash Flow & Capital Efficiency

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

Metric
FFIV
FFIV
SEM
SEM
Operating Cash FlowLast quarter
$525.1M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
3.55×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FFIV
FFIV
SEM
SEM
Q1 26
$525.1M
Q4 25
$159.2M
$64.3M
Q3 25
$208.1M
$175.3M
Q2 25
$282.2M
$110.3M
Q1 25
$256.6M
$-3.5M
Q4 24
$202.8M
$125.4M
Q3 24
$246.5M
$181.0M
Q2 24
$159.0M
$278.2M
Free Cash Flow
FFIV
FFIV
SEM
SEM
Q1 26
Q4 25
$149.5M
$5.2M
Q3 25
$191.9M
$122.2M
Q2 25
$273.7M
$45.6M
Q1 25
$246.1M
$-55.8M
Q4 24
$194.7M
$62.0M
Q3 24
$240.4M
$130.3M
Q2 24
$153.1M
$222.6M
FCF Margin
FFIV
FFIV
SEM
SEM
Q1 26
Q4 25
18.2%
0.4%
Q3 25
23.7%
9.0%
Q2 25
35.1%
3.4%
Q1 25
33.7%
-4.1%
Q4 24
25.4%
4.7%
Q3 24
32.2%
10.2%
Q2 24
22.0%
17.4%
Capex Intensity
FFIV
FFIV
SEM
SEM
Q1 26
Q4 25
1.2%
4.2%
Q3 25
2.0%
3.9%
Q2 25
1.1%
4.8%
Q1 25
1.4%
3.9%
Q4 24
1.1%
4.8%
Q3 24
0.8%
4.0%
Q2 24
0.8%
4.3%
Cash Conversion
FFIV
FFIV
SEM
SEM
Q1 26
3.55×
Q4 25
0.88×
3.19×
Q3 25
1.09×
6.09×
Q2 25
1.49×
2.72×
Q1 25
1.76×
-0.06×
Q4 24
1.22×
Q3 24
1.49×
3.25×
Q2 24
1.10×
3.59×

Financial Flow Comparison

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

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