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Side-by-side financial comparison of NPK International Inc. (NPKI) and Star Equity Holdings, Inc. (STRR). Click either name above to swap in a different company.

NPK International Inc. is the larger business by last-quarter revenue ($75.2M vs $56.8M, roughly 1.3× Star Equity Holdings, Inc.). On growth, Star Equity Holdings, Inc. posted the faster year-over-year revenue change (69.0% vs 30.7%). NPK International Inc. produced more free cash flow last quarter ($5.8M vs $-9.0M). Over the past eight quarters, Star Equity Holdings, Inc.'s revenue compounded faster (29.5% CAGR vs 23.9%).

NPKI vs STRR — Head-to-Head

Bigger by revenue
NPKI
NPKI
1.3× larger
NPKI
$75.2M
$56.8M
STRR
Growing faster (revenue YoY)
STRR
STRR
+38.3% gap
STRR
69.0%
30.7%
NPKI
More free cash flow
NPKI
NPKI
$14.7M more FCF
NPKI
$5.8M
$-9.0M
STRR
Faster 2-yr revenue CAGR
STRR
STRR
Annualised
STRR
29.5%
23.9%
NPKI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NPKI
NPKI
STRR
STRR
Revenue
$75.2M
$56.8M
Net Profit
$-1.7M
Gross Margin
37.7%
Operating Margin
16.7%
-0.2%
Net Margin
-3.0%
Revenue YoY
30.7%
69.0%
Net Profit YoY
-192.1%
EPS (diluted)
$0.17
$-0.49

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
NPKI
NPKI
STRR
STRR
Q4 25
$75.2M
$56.8M
Q3 25
$68.8M
$48.0M
Q2 25
$68.2M
$35.5M
Q1 25
$64.8M
$31.9M
Q4 24
$57.5M
$33.6M
Q3 24
$44.2M
$36.9M
Q2 24
$66.8M
$35.7M
Q1 24
$49.0M
$33.9M
Net Profit
NPKI
NPKI
STRR
STRR
Q4 25
$-1.7M
Q3 25
$5.7M
$-1.8M
Q2 25
$8.7M
$-688.0K
Q1 25
$10.0M
$-1.8M
Q4 24
$-585.0K
Q3 24
$-174.3M
$-846.0K
Q2 24
$8.0M
$-441.0K
Q1 24
$7.3M
$-2.9M
Gross Margin
NPKI
NPKI
STRR
STRR
Q4 25
37.7%
Q3 25
31.9%
43.0%
Q2 25
36.9%
Q1 25
39.0%
Q4 24
39.2%
Q3 24
27.5%
50.5%
Q2 24
37.2%
Q1 24
36.0%
Operating Margin
NPKI
NPKI
STRR
STRR
Q4 25
16.7%
-0.2%
Q3 25
13.2%
-3.4%
Q2 25
17.0%
-0.6%
Q1 25
20.9%
-5.4%
Q4 24
20.2%
-0.4%
Q3 24
2.8%
-1.2%
Q2 24
18.7%
-0.5%
Q1 24
14.2%
-9.0%
Net Margin
NPKI
NPKI
STRR
STRR
Q4 25
-3.0%
Q3 25
8.2%
-3.7%
Q2 25
12.7%
-1.9%
Q1 25
15.4%
-5.5%
Q4 24
-1.7%
Q3 24
-394.3%
-2.3%
Q2 24
12.0%
-1.2%
Q1 24
14.9%
-8.6%
EPS (diluted)
NPKI
NPKI
STRR
STRR
Q4 25
$0.17
$-0.49
Q3 25
$0.07
$-0.54
Q2 25
$0.10
$-0.23
Q1 25
$0.11
$-0.59
Q4 24
$0.10
$-0.21
Q3 24
$-1.99
$-0.28
Q2 24
$0.09
$-0.15
Q1 24
$0.08
$-0.95

Balance Sheet & Financial Strength

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

Metric
NPKI
NPKI
STRR
STRR
Cash + ST InvestmentsLiquidity on hand
$5.1M
$10.3M
Total DebtLower is stronger
$16.9M
Stockholders' EquityBook value
$351.2M
$65.7M
Total Assets
$441.8M
$113.2M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NPKI
NPKI
STRR
STRR
Q4 25
$5.1M
$10.3M
Q3 25
$35.6M
$15.4M
Q2 25
$26.0M
$16.8M
Q1 25
$20.8M
$16.6M
Q4 24
$17.8M
$17.0M
Q3 24
$42.9M
$15.8M
Q2 24
$35.1M
$14.7M
Q1 24
$37.7M
$20.4M
Total Debt
NPKI
NPKI
STRR
STRR
Q4 25
$16.9M
Q3 25
$9.5M
$6.5M
Q2 25
$9.3M
Q1 25
$8.1M
Q4 24
$7.7M
$0
Q3 24
$14.0M
Q2 24
$58.0M
Q1 24
$77.4M
Stockholders' Equity
NPKI
NPKI
STRR
STRR
Q4 25
$351.2M
$65.7M
Q3 25
$333.9M
$67.8M
Q2 25
$328.8M
$40.1M
Q1 25
$326.9M
$39.5M
Q4 24
$326.5M
$40.4M
Q3 24
$316.5M
$42.9M
Q2 24
$426.6M
$42.6M
Q1 24
$421.6M
$44.3M
Total Assets
NPKI
NPKI
STRR
STRR
Q4 25
$441.8M
$113.2M
Q3 25
$404.5M
$117.1M
Q2 25
$393.7M
$55.6M
Q1 25
$390.0M
$53.2M
Q4 24
$393.7M
$52.6M
Q3 24
$389.6M
$52.6M
Q2 24
$624.8M
$52.6M
Q1 24
$640.8M
$52.6M
Debt / Equity
NPKI
NPKI
STRR
STRR
Q4 25
0.05×
Q3 25
0.03×
0.10×
Q2 25
0.03×
Q1 25
0.02×
Q4 24
0.02×
0.00×
Q3 24
0.04×
Q2 24
0.14×
Q1 24
0.18×

Cash Flow & Capital Efficiency

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

Metric
NPKI
NPKI
STRR
STRR
Operating Cash FlowLast quarter
$18.0M
$-7.3M
Free Cash FlowOCF − Capex
$5.8M
$-9.0M
FCF MarginFCF / Revenue
7.6%
-15.8%
Capex IntensityCapex / Revenue
16.3%
3.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$26.3M
$-13.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NPKI
NPKI
STRR
STRR
Q4 25
$18.0M
$-7.3M
Q3 25
$24.7M
$-2.7M
Q2 25
$21.4M
$139.0K
Q1 25
$8.8M
$-802.0K
Q4 24
$-4.1M
$-2.8M
Q3 24
$2.8M
$1.3M
Q2 24
$27.6M
$-4.3M
Q1 24
$11.9M
$-1.8M
Free Cash Flow
NPKI
NPKI
STRR
STRR
Q4 25
$5.8M
$-9.0M
Q3 25
$12.0M
$-3.4M
Q2 25
$9.7M
$102.0K
Q1 25
$-1.2M
$-808.0K
Q4 24
$-17.7M
$-2.8M
Q3 24
$-6.7M
$1.3M
Q2 24
$21.0M
$-4.3M
Q1 24
$-1.9M
$-1.8M
FCF Margin
NPKI
NPKI
STRR
STRR
Q4 25
7.6%
-15.8%
Q3 25
17.4%
-7.0%
Q2 25
14.3%
0.3%
Q1 25
-1.8%
-2.5%
Q4 24
-30.8%
-8.3%
Q3 24
-15.2%
3.4%
Q2 24
31.4%
-12.0%
Q1 24
-3.9%
-5.3%
Capex Intensity
NPKI
NPKI
STRR
STRR
Q4 25
16.3%
3.0%
Q3 25
18.5%
1.3%
Q2 25
17.1%
0.1%
Q1 25
15.5%
0.0%
Q4 24
23.6%
0.1%
Q3 24
21.4%
0.0%
Q2 24
9.9%
0.0%
Q1 24
28.3%
0.0%
Cash Conversion
NPKI
NPKI
STRR
STRR
Q4 25
Q3 25
4.37×
Q2 25
2.47×
Q1 25
0.88×
Q4 24
Q3 24
Q2 24
3.43×
Q1 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NPKI
NPKI

Rental Revenue$34.8M46%
Products$25.5M34%
Services$14.9M20%

STRR
STRR

Revenue From Other Contracts With Customers$27.6M49%
Other$24.3M43%
Energy Services Segment$4.9M9%

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