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Side-by-side financial comparison of Core Laboratories Inc. (CLB) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

Ribbon Communications Inc. is the larger business by last-quarter revenue ($162.6M vs $121.8M, roughly 1.3× Core Laboratories Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 4.2%, a 50.6% gap on every dollar of revenue. On growth, Core Laboratories Inc. posted the faster year-over-year revenue change (-1.4% vs -10.3%). Over the past eight quarters, Core Laboratories Inc.'s revenue compounded faster (-3.4% CAGR vs -8.1%).

Abbott Laboratories, commonly known as Abbott, is an American multinational medical devices and health care company with headquarters in Abbott Park, Illinois. The company produces pharmaceuticals for sale outside the United States, diagnostic products, nutritional products, and medical devices.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

CLB vs RBBN — Head-to-Head

Bigger by revenue
RBBN
RBBN
1.3× larger
RBBN
$162.6M
$121.8M
CLB
Growing faster (revenue YoY)
CLB
CLB
+8.9% gap
CLB
-1.4%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
50.6% more per $
RBBN
54.8%
4.2%
CLB
Faster 2-yr revenue CAGR
CLB
CLB
Annualised
CLB
-3.4%
-8.1%
RBBN

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CLB
CLB
RBBN
RBBN
Revenue
$121.8M
$162.6M
Net Profit
$5.1M
$89.1M
Gross Margin
42.9%
Operating Margin
1.5%
37.6%
Net Margin
4.2%
54.8%
Revenue YoY
-1.4%
-10.3%
Net Profit YoY
EPS (diluted)
$0.11
$0.50

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
CLB
CLB
RBBN
RBBN
Q1 26
$121.8M
$162.6M
Q4 25
$138.3M
$227.3M
Q3 25
$134.5M
$215.4M
Q2 25
$130.2M
$220.6M
Q1 25
$123.6M
$181.3M
Q4 24
$129.2M
$251.4M
Q3 24
$134.4M
$210.2M
Q2 24
$130.6M
$192.6M
Net Profit
CLB
CLB
RBBN
RBBN
Q1 26
$5.1M
$89.1M
Q4 25
$4.9M
Q3 25
$14.2M
$-12.1M
Q2 25
$10.6M
$-11.1M
Q1 25
$-154.0K
$-26.2M
Q4 24
$7.4M
Q3 24
$11.7M
$-13.4M
Q2 24
$9.0M
$-16.8M
Gross Margin
CLB
CLB
RBBN
RBBN
Q1 26
42.9%
Q4 25
20.8%
53.3%
Q3 25
22.0%
50.1%
Q2 25
20.3%
49.6%
Q1 25
19.5%
45.4%
Q4 24
17.8%
55.7%
Q3 24
20.5%
52.1%
Q2 24
21.2%
50.8%
Operating Margin
CLB
CLB
RBBN
RBBN
Q1 26
1.5%
37.6%
Q4 25
11.5%
4.1%
Q3 25
15.6%
1.3%
Q2 25
11.7%
1.9%
Q1 25
3.6%
-10.8%
Q4 24
11.0%
13.2%
Q3 24
14.7%
-0.4%
Q2 24
12.3%
-1.0%
Net Margin
CLB
CLB
RBBN
RBBN
Q1 26
4.2%
54.8%
Q4 25
3.6%
Q3 25
10.6%
-5.6%
Q2 25
8.2%
-5.0%
Q1 25
-0.1%
-14.5%
Q4 24
5.7%
Q3 24
8.7%
-6.4%
Q2 24
6.9%
-8.7%
EPS (diluted)
CLB
CLB
RBBN
RBBN
Q1 26
$0.11
$0.50
Q4 25
$0.11
$0.50
Q3 25
$0.30
$-0.07
Q2 25
$0.22
$-0.06
Q1 25
$0.00
$-0.15
Q4 24
$0.15
$0.05
Q3 24
$0.25
$-0.08
Q2 24
$0.19
$-0.10

Balance Sheet & Financial Strength

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

Metric
CLB
CLB
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$22.8M
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$275.1M
$419.1M
Total Assets
$587.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLB
CLB
RBBN
RBBN
Q1 26
$22.8M
$67.6M
Q4 25
$22.7M
$96.4M
Q3 25
$25.6M
$74.8M
Q2 25
$31.2M
$60.5M
Q1 25
$22.1M
$71.2M
Q4 24
$19.2M
$87.8M
Q3 24
$21.5M
$37.2M
Q2 24
$17.7M
$64.6M
Total Debt
CLB
CLB
RBBN
RBBN
Q1 26
Q4 25
$110.3M
$342.1M
Q3 25
$114.1M
$344.3M
Q2 25
$124.6M
$346.5M
Q1 25
$124.4M
$347.4M
Q4 24
$126.1M
$348.3M
Q3 24
$139.9M
$349.1M
Q2 24
$147.6M
$350.0M
Stockholders' Equity
CLB
CLB
RBBN
RBBN
Q1 26
$275.1M
$419.1M
Q4 25
$266.0M
$449.0M
Q3 25
$271.3M
$360.1M
Q2 25
$261.3M
$370.4M
Q1 25
$253.4M
$381.8M
Q4 24
$246.6M
$404.6M
Q3 24
$250.7M
$395.5M
Q2 24
$240.3M
$405.0M
Total Assets
CLB
CLB
RBBN
RBBN
Q1 26
$587.7M
Q4 25
$584.0M
$1.2B
Q3 25
$591.4M
$1.1B
Q2 25
$602.1M
$1.1B
Q1 25
$591.5M
$1.1B
Q4 24
$585.1M
$1.2B
Q3 24
$600.5M
$1.1B
Q2 24
$597.8M
$1.1B
Debt / Equity
CLB
CLB
RBBN
RBBN
Q1 26
Q4 25
0.41×
0.76×
Q3 25
0.42×
0.96×
Q2 25
0.48×
0.94×
Q1 25
0.49×
0.91×
Q4 24
0.51×
0.86×
Q3 24
0.56×
0.88×
Q2 24
0.61×
0.86×

Cash Flow & Capital Efficiency

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

Metric
CLB
CLB
RBBN
RBBN
Operating Cash FlowLast quarter
$4.0M
Free Cash FlowOCF − Capex
$517.0K
FCF MarginFCF / Revenue
0.4%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.77×
TTM Free Cash FlowTrailing 4 quarters
$22.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLB
CLB
RBBN
RBBN
Q1 26
$4.0M
Q4 25
$7.9M
$29.2M
Q3 25
$8.5M
$26.5M
Q2 25
$13.9M
$-795.0K
Q1 25
$6.7M
$-3.5M
Q4 24
$20.6M
$61.8M
Q3 24
$13.1M
$-14.8M
Q2 24
$17.1M
$-9.8M
Free Cash Flow
CLB
CLB
RBBN
RBBN
Q1 26
$517.0K
Q4 25
$5.0M
$27.3M
Q3 25
$6.5M
$21.0M
Q2 25
$10.4M
$-6.5M
Q1 25
$3.9M
$-15.7M
Q4 24
$17.4M
$53.8M
Q3 24
$10.4M
$-23.7M
Q2 24
$14.3M
$-12.9M
FCF Margin
CLB
CLB
RBBN
RBBN
Q1 26
0.4%
Q4 25
3.6%
12.0%
Q3 25
4.8%
9.7%
Q2 25
8.0%
-2.9%
Q1 25
3.1%
-8.7%
Q4 24
13.4%
21.4%
Q3 24
7.7%
-11.3%
Q2 24
10.9%
-6.7%
Capex Intensity
CLB
CLB
RBBN
RBBN
Q1 26
Q4 25
2.1%
0.9%
Q3 25
1.5%
2.6%
Q2 25
2.7%
2.6%
Q1 25
2.3%
6.7%
Q4 24
2.5%
3.2%
Q3 24
2.0%
4.2%
Q2 24
2.2%
1.6%
Cash Conversion
CLB
CLB
RBBN
RBBN
Q1 26
0.77×
Q4 25
1.61×
Q3 25
0.60×
Q2 25
1.31×
Q1 25
Q4 24
2.78×
Q3 24
1.12×
Q2 24
1.90×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLB
CLB

Segment breakdown not available.

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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