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Side-by-side financial comparison of BIO-RAD LABORATORIES, INC. (BIO) and Martin Marietta Materials (MLM). Click either name above to swap in a different company.

Martin Marietta Materials is the larger business by last-quarter revenue ($1.1B vs $693.2M, roughly 1.6× BIO-RAD LABORATORIES, INC.). BIO-RAD LABORATORIES, INC. runs the higher net margin — 103.9% vs 24.5%, a 79.4% gap on every dollar of revenue. On growth, BIO-RAD LABORATORIES, INC. posted the faster year-over-year revenue change (3.9% vs -30.1%). Martin Marietta Materials produced more free cash flow last quarter ($424.0M vs $119.1M). Over the past eight quarters, BIO-RAD LABORATORIES, INC.'s revenue compounded faster (6.5% CAGR vs -4.5%).

Bio-Rad Laboratories, Inc. is an American developer and manufacturer of specialized technological products for the life science research and clinical diagnostics markets. The company was founded in 1952 in Berkeley, California, by husband and wife team David and Alice Schwartz, both graduates of the University of California, Berkeley. Bio-Rad is based in Hercules, California, and has operations worldwide.

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

BIO vs MLM — Head-to-Head

Bigger by revenue
MLM
MLM
1.6× larger
MLM
$1.1B
$693.2M
BIO
Growing faster (revenue YoY)
BIO
BIO
+34.0% gap
BIO
3.9%
-30.1%
MLM
Higher net margin
BIO
BIO
79.4% more per $
BIO
103.9%
24.5%
MLM
More free cash flow
MLM
MLM
$304.9M more FCF
MLM
$424.0M
$119.1M
BIO
Faster 2-yr revenue CAGR
BIO
BIO
Annualised
BIO
6.5%
-4.5%
MLM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BIO
BIO
MLM
MLM
Revenue
$693.2M
$1.1B
Net Profit
$720.0M
$279.0M
Gross Margin
49.8%
35.0%
Operating Margin
-17.2%
24.6%
Net Margin
103.9%
24.5%
Revenue YoY
3.9%
-30.1%
Net Profit YoY
200.6%
-4.8%
EPS (diluted)
$26.59
$4.59

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
BIO
BIO
MLM
MLM
Q4 25
$693.2M
$1.1B
Q3 25
$653.0M
$1.8B
Q2 25
$651.6M
$1.8B
Q1 25
$585.4M
$1.4B
Q4 24
$667.5M
$1.6B
Q3 24
$649.7M
$1.9B
Q2 24
$638.5M
$1.8B
Q1 24
$610.8M
$1.3B
Net Profit
BIO
BIO
MLM
MLM
Q4 25
$720.0M
$279.0M
Q3 25
$-341.9M
$414.0M
Q2 25
$317.8M
$328.0M
Q1 25
$64.0M
$116.0M
Q4 24
$-715.8M
$293.0M
Q3 24
$653.2M
$363.0M
Q2 24
$-2.2B
$294.0M
Q1 24
$383.9M
$1.0B
Gross Margin
BIO
BIO
MLM
MLM
Q4 25
49.8%
35.0%
Q3 25
52.6%
33.1%
Q2 25
53.0%
30.0%
Q1 25
52.3%
24.8%
Q4 24
51.2%
30.0%
Q3 24
54.8%
31.7%
Q2 24
55.6%
29.3%
Q1 24
53.4%
21.7%
Operating Margin
BIO
BIO
MLM
MLM
Q4 25
-17.2%
24.6%
Q3 25
10.0%
27.4%
Q2 25
11.8%
25.3%
Q1 25
4.0%
14.3%
Q4 24
8.7%
24.4%
Q3 24
9.9%
25.9%
Q2 24
15.9%
22.6%
Q1 24
7.3%
Net Margin
BIO
BIO
MLM
MLM
Q4 25
103.9%
24.5%
Q3 25
-52.4%
22.4%
Q2 25
48.8%
18.1%
Q1 25
10.9%
8.6%
Q4 24
-107.2%
18.0%
Q3 24
100.5%
19.2%
Q2 24
-339.2%
16.7%
Q1 24
62.9%
83.5%
EPS (diluted)
BIO
BIO
MLM
MLM
Q4 25
$26.59
$4.59
Q3 25
$-12.70
$6.85
Q2 25
$11.67
$5.43
Q1 25
$2.29
$1.90
Q4 24
$-25.89
$4.87
Q3 24
$23.34
$5.91
Q2 24
$-76.26
$4.76
Q1 24
$13.45
$16.87

Balance Sheet & Financial Strength

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

Metric
BIO
BIO
MLM
MLM
Cash + ST InvestmentsLiquidity on hand
$1.5B
$67.0M
Total DebtLower is stronger
$1.2B
$5.3B
Stockholders' EquityBook value
$7.5B
$10.0B
Total Assets
$10.6B
$18.7B
Debt / EquityLower = less leverage
0.16×
0.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIO
BIO
MLM
MLM
Q4 25
$1.5B
$67.0M
Q3 25
$1.4B
$57.0M
Q2 25
$1.4B
$225.0M
Q1 25
$1.7B
$101.0M
Q4 24
$1.7B
$670.0M
Q3 24
$1.6B
$52.0M
Q2 24
$1.6B
$109.0M
Q1 24
$1.6B
$2.6B
Total Debt
BIO
BIO
MLM
MLM
Q4 25
$1.2B
$5.3B
Q3 25
$1.2B
$5.5B
Q2 25
$5.4B
Q1 25
$5.4B
Q4 24
$1.2B
$5.4B
Q3 24
$4.0B
Q2 24
$4.3B
Q1 24
$4.3B
Stockholders' Equity
BIO
BIO
MLM
MLM
Q4 25
$7.5B
$10.0B
Q3 25
$6.7B
$9.7B
Q2 25
$7.1B
$9.4B
Q1 25
$6.7B
$9.1B
Q4 24
$6.6B
$9.5B
Q3 24
$7.5B
$9.2B
Q2 24
$6.8B
$8.8B
Q1 24
$9.1B
$8.9B
Total Assets
BIO
BIO
MLM
MLM
Q4 25
$10.6B
$18.7B
Q3 25
$9.7B
$18.7B
Q2 25
$10.2B
$18.1B
Q1 25
$9.5B
$17.7B
Q4 24
$9.4B
$18.2B
Q3 24
$10.6B
$16.5B
Q2 24
$9.7B
$16.3B
Q1 24
$12.6B
$16.2B
Debt / Equity
BIO
BIO
MLM
MLM
Q4 25
0.16×
0.53×
Q3 25
0.18×
0.57×
Q2 25
0.58×
Q1 25
0.60×
Q4 24
0.18×
0.57×
Q3 24
0.44×
Q2 24
0.49×
Q1 24
0.49×

Cash Flow & Capital Efficiency

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

Metric
BIO
BIO
MLM
MLM
Operating Cash FlowLast quarter
$164.9M
$629.0M
Free Cash FlowOCF − Capex
$119.1M
$424.0M
FCF MarginFCF / Revenue
17.2%
37.2%
Capex IntensityCapex / Revenue
6.6%
18.0%
Cash ConversionOCF / Net Profit
0.23×
2.25×
TTM Free Cash FlowTrailing 4 quarters
$374.6M
$978.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIO
BIO
MLM
MLM
Q4 25
$164.9M
$629.0M
Q3 25
$120.9M
$551.0M
Q2 25
$116.5M
$387.0M
Q1 25
$129.9M
$218.0M
Q4 24
$124.2M
$686.0M
Q3 24
$163.6M
$600.0M
Q2 24
$97.6M
$1.0M
Q1 24
$69.8M
$172.0M
Free Cash Flow
BIO
BIO
MLM
MLM
Q4 25
$119.1M
$424.0M
Q3 25
$89.2M
$361.0M
Q2 25
$70.8M
$208.0M
Q1 25
$95.5M
$-15.0M
Q4 24
$81.2M
$453.0M
Q3 24
$123.4M
$317.0M
Q2 24
$55.4M
$-138.0M
Q1 24
$29.6M
$-28.0M
FCF Margin
BIO
BIO
MLM
MLM
Q4 25
17.2%
37.2%
Q3 25
13.7%
19.6%
Q2 25
10.9%
11.5%
Q1 25
16.3%
-1.1%
Q4 24
12.2%
27.8%
Q3 24
19.0%
16.8%
Q2 24
8.7%
-7.8%
Q1 24
4.8%
-2.2%
Capex Intensity
BIO
BIO
MLM
MLM
Q4 25
6.6%
18.0%
Q3 25
4.9%
10.3%
Q2 25
7.0%
9.9%
Q1 25
5.9%
17.2%
Q4 24
6.4%
14.3%
Q3 24
6.2%
15.0%
Q2 24
6.6%
7.9%
Q1 24
6.6%
16.0%
Cash Conversion
BIO
BIO
MLM
MLM
Q4 25
0.23×
2.25×
Q3 25
1.33×
Q2 25
0.37×
1.18×
Q1 25
2.03×
1.88×
Q4 24
2.34×
Q3 24
0.25×
1.65×
Q2 24
0.00×
Q1 24
0.18×
0.16×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BIO
BIO

Clinical Diagnostics$425.3M61%
Life Science$267.9M39%

MLM
MLM

Building Materials Business East Group$774.0M68%
Building Materials Business West Group$233.0M20%
Services$88.0M8%
Other$45.0M4%

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