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

Spok Holdings, Inc is the larger business by last-quarter revenue ($33.9M vs $18.7M, roughly 1.8× PRO DEX INC). PRO DEX INC runs the higher net margin — 11.7% vs 8.7%, a 3.1% gap on every dollar of revenue. On growth, PRO DEX INC posted the faster year-over-year revenue change (11.1% vs -0.1%). Spok Holdings, Inc produced more free cash flow last quarter ($10.1M vs $3.5M). Over the past eight quarters, PRO DEX INC's revenue compounded faster (14.3% CAGR vs -1.5%).

Pro Dex Inc is a precision manufacturing enterprise that produces custom machined components, subassemblies and finished products primarily for medical device original equipment manufacturers, as well as clients in the aerospace and industrial sectors, with its core operating market covering North America.

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.

PDEX vs SPOK — Head-to-Head

Bigger by revenue
SPOK
SPOK
1.8× larger
SPOK
$33.9M
$18.7M
PDEX
Growing faster (revenue YoY)
PDEX
PDEX
+11.2% gap
PDEX
11.1%
-0.1%
SPOK
Higher net margin
PDEX
PDEX
3.1% more per $
PDEX
11.7%
8.7%
SPOK
More free cash flow
SPOK
SPOK
$6.6M more FCF
SPOK
$10.1M
$3.5M
PDEX
Faster 2-yr revenue CAGR
PDEX
PDEX
Annualised
PDEX
14.3%
-1.5%
SPOK

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
PDEX
PDEX
SPOK
SPOK
Revenue
$18.7M
$33.9M
Net Profit
$2.2M
$2.9M
Gross Margin
30.8%
76.7%
Operating Margin
17.5%
11.6%
Net Margin
11.7%
8.7%
Revenue YoY
11.1%
-0.1%
Net Profit YoY
7.2%
-19.6%
EPS (diluted)
$0.66
$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
PDEX
PDEX
SPOK
SPOK
Q4 25
$18.7M
$33.9M
Q3 25
$18.5M
$33.9M
Q2 25
$17.5M
$35.7M
Q1 25
$17.4M
$36.3M
Q4 24
$16.8M
$33.9M
Q3 24
$14.9M
$34.9M
Q2 24
$15.0M
$34.0M
Q1 24
$14.3M
$34.9M
Net Profit
PDEX
PDEX
SPOK
SPOK
Q4 25
$2.2M
$2.9M
Q3 25
$4.7M
$3.2M
Q2 25
$1.2M
$4.6M
Q1 25
$3.3M
$5.2M
Q4 24
$2.0M
$3.6M
Q3 24
$2.5M
$3.7M
Q2 24
$1.6M
$3.4M
Q1 24
$655.0K
$4.2M
Gross Margin
PDEX
PDEX
SPOK
SPOK
Q4 25
30.8%
76.7%
Q3 25
29.0%
78.3%
Q2 25
19.9%
79.5%
Q1 25
33.3%
80.1%
Q4 24
30.2%
78.5%
Q3 24
34.6%
79.5%
Q2 24
27.2%
78.9%
Q1 24
28.0%
79.5%
Operating Margin
PDEX
PDEX
SPOK
SPOK
Q4 25
17.5%
11.6%
Q3 25
16.8%
12.9%
Q2 25
7.7%
15.1%
Q1 25
20.9%
16.6%
Q4 24
16.0%
13.7%
Q3 24
20.2%
14.2%
Q2 24
15.6%
13.2%
Q1 24
15.5%
14.0%
Net Margin
PDEX
PDEX
SPOK
SPOK
Q4 25
11.7%
8.7%
Q3 25
25.3%
9.5%
Q2 25
6.8%
12.8%
Q1 25
18.8%
14.3%
Q4 24
12.1%
10.8%
Q3 24
16.6%
10.5%
Q2 24
10.6%
10.1%
Q1 24
4.6%
12.1%
EPS (diluted)
PDEX
PDEX
SPOK
SPOK
Q4 25
$0.66
$0.13
Q3 25
$1.40
$0.15
Q2 25
$0.33
$0.22
Q1 25
$0.98
$0.25
Q4 24
$0.61
$0.17
Q3 24
$0.75
$0.18
Q2 24
$0.44
$0.17
Q1 24
$0.19
$0.21

Balance Sheet & Financial Strength

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

Metric
PDEX
PDEX
SPOK
SPOK
Cash + ST InvestmentsLiquidity on hand
$6.1M
$25.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$41.6M
$146.4M
Total Assets
$62.3M
$206.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PDEX
PDEX
SPOK
SPOK
Q4 25
$6.1M
$25.3M
Q3 25
$10.1M
$21.4M
Q2 25
$6.8M
$20.2M
Q1 25
$5.5M
$19.9M
Q4 24
$4.7M
$29.1M
Q3 24
$7.8M
$27.8M
Q2 24
$6.8M
$23.9M
Q1 24
$7.8M
$23.3M
Total Debt
PDEX
PDEX
SPOK
SPOK
Q4 25
Q3 25
Q2 25
$15.4M
Q1 25
Q4 24
Q3 24
Q2 24
$12.0M
Q1 24
Stockholders' Equity
PDEX
PDEX
SPOK
SPOK
Q4 25
$41.6M
$146.4M
Q3 25
$41.5M
$148.7M
Q2 25
$36.6M
$150.9M
Q1 25
$35.3M
$151.7M
Q4 24
$31.8M
$154.7M
Q3 24
$30.9M
$156.3M
Q2 24
$30.9M
$158.2M
Q1 24
$30.9M
$160.2M
Total Assets
PDEX
PDEX
SPOK
SPOK
Q4 25
$62.3M
$206.1M
Q3 25
$64.3M
$209.7M
Q2 25
$61.2M
$208.7M
Q1 25
$64.3M
$204.5M
Q4 24
$60.4M
$217.1M
Q3 24
$54.3M
$216.8M
Q2 24
$52.5M
$216.4M
Q1 24
$50.5M
$215.0M
Debt / Equity
PDEX
PDEX
SPOK
SPOK
Q4 25
Q3 25
Q2 25
0.42×
Q1 25
Q4 24
Q3 24
Q2 24
0.39×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
PDEX
PDEX
SPOK
SPOK
Operating Cash FlowLast quarter
$3.6M
$11.5M
Free Cash FlowOCF − Capex
$3.5M
$10.1M
FCF MarginFCF / Revenue
18.8%
29.9%
Capex IntensityCapex / Revenue
0.4%
4.1%
Cash ConversionOCF / Net Profit
1.63×
3.93×
TTM Free Cash FlowTrailing 4 quarters
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PDEX
PDEX
SPOK
SPOK
Q4 25
$3.6M
$11.5M
Q3 25
$2.3M
$8.1M
Q2 25
$-173.0K
$7.0M
Q1 25
$754.0K
$2.3M
Q4 24
$-4.2M
$8.4M
Q3 24
$1.9M
$11.1M
Q2 24
$1.0M
$7.4M
Q1 24
$4.1M
$2.0M
Free Cash Flow
PDEX
PDEX
SPOK
SPOK
Q4 25
$3.5M
$10.1M
Q3 25
$2.2M
$7.6M
Q2 25
$6.0M
Q1 25
$574.0K
$1.5M
Q4 24
$-4.7M
$7.5M
Q3 24
$1.5M
$10.3M
Q2 24
$6.8M
Q1 24
$4.0M
$1.1M
FCF Margin
PDEX
PDEX
SPOK
SPOK
Q4 25
18.8%
29.9%
Q3 25
11.9%
22.4%
Q2 25
16.8%
Q1 25
3.3%
4.2%
Q4 24
-27.9%
22.3%
Q3 24
9.8%
29.4%
Q2 24
20.0%
Q1 24
27.7%
3.2%
Capex Intensity
PDEX
PDEX
SPOK
SPOK
Q4 25
0.4%
4.1%
Q3 25
0.5%
1.6%
Q2 25
2.9%
Q1 25
1.0%
2.1%
Q4 24
3.2%
2.5%
Q3 24
2.9%
2.4%
Q2 24
1.9%
Q1 24
0.8%
2.5%
Cash Conversion
PDEX
PDEX
SPOK
SPOK
Q4 25
1.63×
3.93×
Q3 25
0.49×
2.54×
Q2 25
-0.14×
1.55×
Q1 25
0.23×
0.43×
Q4 24
-2.03×
2.31×
Q3 24
0.77×
3.03×
Q2 24
0.66×
2.17×
Q1 24
6.22×
0.47×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PDEX
PDEX

Segment breakdown not available.

SPOK
SPOK

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

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