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Side-by-side financial comparison of CODEXIS, INC. (CDXS) and Spok Holdings, Inc (SPOK). Click either name above to swap in a different company.

CODEXIS, INC. is the larger business by last-quarter revenue ($38.9M vs $33.9M, roughly 1.1× Spok Holdings, Inc). CODEXIS, INC. runs the higher net margin — 24.7% vs 8.7%, a 16.0% gap on every dollar of revenue. On growth, CODEXIS, INC. posted the faster year-over-year revenue change (81.3% vs -0.1%). CODEXIS, INC. produced more free cash flow last quarter ($19.6M vs $10.1M). Over the past eight quarters, CODEXIS, INC.'s revenue compounded faster (51.0% CAGR vs -1.5%).

Codexis, Inc. is a protein engineering company that develops enzymes for pharmaceutical, food and medical applications.

Spok Holdings, Inc. is a global provider of critical communication solutions primarily serving the healthcare industry. It offers unified clinical communication platforms, secure messaging tools, alerting systems, and on-call scheduling software that help care teams coordinate efficiently, cut response times, and boost patient safety across medical facilities.

CDXS vs SPOK — Head-to-Head

Bigger by revenue
CDXS
CDXS
1.1× larger
CDXS
$38.9M
$33.9M
SPOK
Growing faster (revenue YoY)
CDXS
CDXS
+81.4% gap
CDXS
81.3%
-0.1%
SPOK
Higher net margin
CDXS
CDXS
16.0% more per $
CDXS
24.7%
8.7%
SPOK
More free cash flow
CDXS
CDXS
$9.5M more FCF
CDXS
$19.6M
$10.1M
SPOK
Faster 2-yr revenue CAGR
CDXS
CDXS
Annualised
CDXS
51.0%
-1.5%
SPOK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CDXS
CDXS
SPOK
SPOK
Revenue
$38.9M
$33.9M
Net Profit
$9.6M
$2.9M
Gross Margin
94.8%
76.7%
Operating Margin
27.1%
11.6%
Net Margin
24.7%
8.7%
Revenue YoY
81.3%
-0.1%
Net Profit YoY
192.5%
-19.6%
EPS (diluted)
$0.13
$0.13

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
CDXS
CDXS
SPOK
SPOK
Q4 25
$38.9M
$33.9M
Q3 25
$8.6M
$33.9M
Q2 25
$15.3M
$35.7M
Q1 25
$7.5M
$36.3M
Q4 24
$21.5M
$33.9M
Q3 24
$12.8M
$34.9M
Q2 24
$8.0M
$34.0M
Q1 24
$17.1M
$34.9M
Net Profit
CDXS
CDXS
SPOK
SPOK
Q4 25
$9.6M
$2.9M
Q3 25
$-19.6M
$3.2M
Q2 25
$-13.3M
$4.6M
Q1 25
$-20.7M
$5.2M
Q4 24
$-10.4M
$3.6M
Q3 24
$-20.6M
$3.7M
Q2 24
$-22.8M
$3.4M
Q1 24
$-11.5M
$4.2M
Gross Margin
CDXS
CDXS
SPOK
SPOK
Q4 25
94.8%
76.7%
Q3 25
71.3%
78.3%
Q2 25
86.3%
79.5%
Q1 25
63.8%
80.1%
Q4 24
83.0%
78.5%
Q3 24
66.4%
79.5%
Q2 24
56.6%
78.9%
Q1 24
71.6%
79.5%
Operating Margin
CDXS
CDXS
SPOK
SPOK
Q4 25
27.1%
11.6%
Q3 25
-220.3%
12.9%
Q2 25
-83.9%
15.1%
Q1 25
-271.6%
16.6%
Q4 24
-34.2%
13.7%
Q3 24
-129.0%
14.2%
Q2 24
-284.9%
13.2%
Q1 24
-69.6%
14.0%
Net Margin
CDXS
CDXS
SPOK
SPOK
Q4 25
24.7%
8.7%
Q3 25
-228.1%
9.5%
Q2 25
-86.6%
12.8%
Q1 25
-274.3%
14.3%
Q4 24
-48.4%
10.8%
Q3 24
-160.8%
10.5%
Q2 24
-285.2%
10.1%
Q1 24
-67.4%
12.1%
EPS (diluted)
CDXS
CDXS
SPOK
SPOK
Q4 25
$0.13
$0.13
Q3 25
$-0.22
$0.15
Q2 25
$-0.16
$0.22
Q1 25
$-0.25
$0.25
Q4 24
$-0.12
$0.17
Q3 24
$-0.29
$0.18
Q2 24
$-0.32
$0.17
Q1 24
$-0.16
$0.21

Balance Sheet & Financial Strength

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

Metric
CDXS
CDXS
SPOK
SPOK
Cash + ST InvestmentsLiquidity on hand
$78.2M
$25.3M
Total DebtLower is stronger
$40.1M
Stockholders' EquityBook value
$50.5M
$146.4M
Total Assets
$147.8M
$206.1M
Debt / EquityLower = less leverage
0.79×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CDXS
CDXS
SPOK
SPOK
Q4 25
$78.2M
$25.3M
Q3 25
$58.7M
$21.4M
Q2 25
$66.3M
$20.2M
Q1 25
$59.8M
$19.9M
Q4 24
$73.5M
$29.1M
Q3 24
$90.3M
$27.8M
Q2 24
$73.2M
$23.9M
Q1 24
$85.5M
$23.3M
Total Debt
CDXS
CDXS
SPOK
SPOK
Q4 25
$40.1M
Q3 25
$39.7M
Q2 25
$39.4M
Q1 25
$29.2M
Q4 24
$28.9M
Q3 24
$28.6M
Q2 24
$28.4M
Q1 24
$28.1M
Stockholders' Equity
CDXS
CDXS
SPOK
SPOK
Q4 25
$50.5M
$146.4M
Q3 25
$38.5M
$148.7M
Q2 25
$55.6M
$150.9M
Q1 25
$49.6M
$151.7M
Q4 24
$66.9M
$154.7M
Q3 24
$73.4M
$156.3M
Q2 24
$61.4M
$158.2M
Q1 24
$79.3M
$160.2M
Total Assets
CDXS
CDXS
SPOK
SPOK
Q4 25
$147.8M
$206.1M
Q3 25
$124.0M
$209.7M
Q2 25
$138.2M
$208.7M
Q1 25
$128.9M
$204.5M
Q4 24
$149.0M
$217.1M
Q3 24
$148.2M
$216.8M
Q2 24
$132.0M
$216.4M
Q1 24
$149.6M
$215.0M
Debt / Equity
CDXS
CDXS
SPOK
SPOK
Q4 25
0.79×
Q3 25
1.03×
Q2 25
0.71×
Q1 25
0.59×
Q4 24
0.43×
Q3 24
0.39×
Q2 24
0.46×
Q1 24
0.35×

Cash Flow & Capital Efficiency

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

Metric
CDXS
CDXS
SPOK
SPOK
Operating Cash FlowLast quarter
$20.1M
$11.5M
Free Cash FlowOCF − Capex
$19.6M
$10.1M
FCF MarginFCF / Revenue
50.3%
29.9%
Capex IntensityCapex / Revenue
1.3%
4.1%
Cash ConversionOCF / Net Profit
2.09×
3.93×
TTM Free Cash FlowTrailing 4 quarters
$-23.8M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CDXS
CDXS
SPOK
SPOK
Q4 25
$20.1M
$11.5M
Q3 25
$-7.7M
$8.1M
Q2 25
$-18.0M
$7.0M
Q1 25
$-13.8M
$2.3M
Q4 24
$-16.5M
$8.4M
Q3 24
$-13.0M
$11.1M
Q2 24
$-12.2M
$7.4M
Q1 24
$-7.8M
$2.0M
Free Cash Flow
CDXS
CDXS
SPOK
SPOK
Q4 25
$19.6M
$10.1M
Q3 25
$-7.9M
$7.6M
Q2 25
$-20.5M
$6.0M
Q1 25
$-15.1M
$1.5M
Q4 24
$-18.2M
$7.5M
Q3 24
$-14.0M
$10.3M
Q2 24
$-12.6M
$6.8M
Q1 24
$-8.9M
$1.1M
FCF Margin
CDXS
CDXS
SPOK
SPOK
Q4 25
50.3%
29.9%
Q3 25
-91.7%
22.4%
Q2 25
-133.6%
16.8%
Q1 25
-199.6%
4.2%
Q4 24
-85.0%
22.3%
Q3 24
-109.0%
29.4%
Q2 24
-157.5%
20.0%
Q1 24
-52.2%
3.2%
Capex Intensity
CDXS
CDXS
SPOK
SPOK
Q4 25
1.3%
4.1%
Q3 25
2.1%
1.6%
Q2 25
16.4%
2.9%
Q1 25
16.7%
2.1%
Q4 24
8.3%
2.5%
Q3 24
7.8%
2.4%
Q2 24
5.0%
1.9%
Q1 24
6.6%
2.5%
Cash Conversion
CDXS
CDXS
SPOK
SPOK
Q4 25
2.09×
3.93×
Q3 25
2.54×
Q2 25
1.55×
Q1 25
0.43×
Q4 24
2.31×
Q3 24
3.03×
Q2 24
2.17×
Q1 24
0.47×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CDXS
CDXS

Segment breakdown not available.

SPOK
SPOK

Paging$16.8M50%
Software Operations$16.0M47%
License$1.2M4%

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