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Side-by-side financial comparison of HEALTHSTREAM INC (HSTM) and NPK International Inc. (NPKI). Click either name above to swap in a different company.

HEALTHSTREAM INC is the larger business by last-quarter revenue ($79.7M vs $75.2M, roughly 1.1× NPK International Inc.). On growth, NPK International Inc. posted the faster year-over-year revenue change (30.7% vs 7.4%). HEALTHSTREAM INC produced more free cash flow last quarter ($13.0M vs $5.8M). Over the past eight quarters, NPK International Inc.'s revenue compounded faster (23.9% CAGR vs 4.7%).

HealthStream Inc is a leading U.S.-based provider of workforce development, compliance, and training solutions tailored for the healthcare industry. It offers cloud-based platforms covering clinical skill training, talent management, patient safety education, and regulatory adherence tools, serving over 4,000 healthcare organizations including hospitals, clinics, and long-term care facilities nationwide.

HSTM vs NPKI — Head-to-Head

Bigger by revenue
HSTM
HSTM
1.1× larger
HSTM
$79.7M
$75.2M
NPKI
Growing faster (revenue YoY)
NPKI
NPKI
+23.3% gap
NPKI
30.7%
7.4%
HSTM
More free cash flow
HSTM
HSTM
$7.2M more FCF
HSTM
$13.0M
$5.8M
NPKI
Faster 2-yr revenue CAGR
NPKI
NPKI
Annualised
NPKI
23.9%
4.7%
HSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HSTM
HSTM
NPKI
NPKI
Revenue
$79.7M
$75.2M
Net Profit
Gross Margin
37.7%
Operating Margin
3.0%
16.7%
Net Margin
Revenue YoY
7.4%
30.7%
Net Profit YoY
EPS (diluted)
$0.09
$0.17

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
HSTM
HSTM
NPKI
NPKI
Q4 25
$79.7M
$75.2M
Q3 25
$76.5M
$68.8M
Q2 25
$74.4M
$68.2M
Q1 25
$73.5M
$64.8M
Q4 24
$74.2M
$57.5M
Q3 24
$73.1M
$44.2M
Q2 24
$71.6M
$66.8M
Q1 24
$72.8M
$49.0M
Net Profit
HSTM
HSTM
NPKI
NPKI
Q4 25
Q3 25
$6.1M
$5.7M
Q2 25
$5.4M
$8.7M
Q1 25
$4.3M
$10.0M
Q4 24
Q3 24
$5.7M
$-174.3M
Q2 24
$4.2M
$8.0M
Q1 24
$5.2M
$7.3M
Gross Margin
HSTM
HSTM
NPKI
NPKI
Q4 25
37.7%
Q3 25
31.9%
Q2 25
36.9%
Q1 25
39.0%
Q4 24
39.2%
Q3 24
27.5%
Q2 24
37.2%
Q1 24
36.0%
Operating Margin
HSTM
HSTM
NPKI
NPKI
Q4 25
3.0%
16.7%
Q3 25
9.9%
13.2%
Q2 25
7.9%
17.0%
Q1 25
6.0%
20.9%
Q4 24
6.3%
20.2%
Q3 24
8.9%
2.8%
Q2 24
6.2%
18.7%
Q1 24
7.8%
14.2%
Net Margin
HSTM
HSTM
NPKI
NPKI
Q4 25
Q3 25
8.0%
8.2%
Q2 25
7.2%
12.7%
Q1 25
5.9%
15.4%
Q4 24
Q3 24
7.8%
-394.3%
Q2 24
5.8%
12.0%
Q1 24
7.2%
14.9%
EPS (diluted)
HSTM
HSTM
NPKI
NPKI
Q4 25
$0.09
$0.17
Q3 25
$0.20
$0.07
Q2 25
$0.18
$0.10
Q1 25
$0.14
$0.11
Q4 24
$0.16
$0.10
Q3 24
$0.19
$-1.99
Q2 24
$0.14
$0.09
Q1 24
$0.17
$0.08

Balance Sheet & Financial Strength

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

Metric
HSTM
HSTM
NPKI
NPKI
Cash + ST InvestmentsLiquidity on hand
$36.2M
$5.1M
Total DebtLower is stronger
$16.9M
Stockholders' EquityBook value
$354.0M
$351.2M
Total Assets
$520.4M
$441.8M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HSTM
HSTM
NPKI
NPKI
Q4 25
$36.2M
$5.1M
Q3 25
$53.5M
$35.6M
Q2 25
$52.1M
$26.0M
Q1 25
$77.3M
$20.8M
Q4 24
$59.5M
$17.8M
Q3 24
$57.5M
$42.9M
Q2 24
$46.1M
$35.1M
Q1 24
$52.4M
$37.7M
Total Debt
HSTM
HSTM
NPKI
NPKI
Q4 25
$16.9M
Q3 25
$9.5M
Q2 25
$9.3M
Q1 25
$8.1M
Q4 24
$7.7M
Q3 24
$14.0M
Q2 24
$58.0M
Q1 24
$77.4M
Stockholders' Equity
HSTM
HSTM
NPKI
NPKI
Q4 25
$354.0M
$351.2M
Q3 25
$349.2M
$333.9M
Q2 25
$350.6M
$328.8M
Q1 25
$362.8M
$326.9M
Q4 24
$359.4M
$326.5M
Q3 24
$355.5M
$316.5M
Q2 24
$349.2M
$426.6M
Q1 24
$344.9M
$421.6M
Total Assets
HSTM
HSTM
NPKI
NPKI
Q4 25
$520.4M
$441.8M
Q3 25
$499.9M
$404.5M
Q2 25
$500.1M
$393.7M
Q1 25
$524.0M
$390.0M
Q4 24
$510.8M
$393.7M
Q3 24
$502.8M
$389.6M
Q2 24
$499.6M
$624.8M
Q1 24
$511.6M
$640.8M
Debt / Equity
HSTM
HSTM
NPKI
NPKI
Q4 25
0.05×
Q3 25
0.03×
Q2 25
0.03×
Q1 25
0.02×
Q4 24
0.02×
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
HSTM
HSTM
NPKI
NPKI
Operating Cash FlowLast quarter
$13.2M
$18.0M
Free Cash FlowOCF − Capex
$13.0M
$5.8M
FCF MarginFCF / Revenue
16.3%
7.6%
Capex IntensityCapex / Revenue
0.3%
16.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$59.6M
$26.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HSTM
HSTM
NPKI
NPKI
Q4 25
$13.2M
$18.0M
Q3 25
$18.0M
$24.7M
Q2 25
$5.0M
$21.4M
Q1 25
$27.1M
$8.8M
Q4 24
$11.2M
$-4.1M
Q3 24
$19.1M
$2.8M
Q2 24
$6.5M
$27.6M
Q1 24
$20.9M
$11.9M
Free Cash Flow
HSTM
HSTM
NPKI
NPKI
Q4 25
$13.0M
$5.8M
Q3 25
$17.9M
$12.0M
Q2 25
$2.7M
$9.7M
Q1 25
$26.0M
$-1.2M
Q4 24
$11.0M
$-17.7M
Q3 24
$18.8M
$-6.7M
Q2 24
$6.3M
$21.0M
Q1 24
$20.2M
$-1.9M
FCF Margin
HSTM
HSTM
NPKI
NPKI
Q4 25
16.3%
7.6%
Q3 25
23.4%
17.4%
Q2 25
3.6%
14.3%
Q1 25
35.4%
-1.8%
Q4 24
14.8%
-30.8%
Q3 24
25.8%
-15.2%
Q2 24
8.8%
31.4%
Q1 24
27.8%
-3.9%
Capex Intensity
HSTM
HSTM
NPKI
NPKI
Q4 25
0.3%
16.3%
Q3 25
0.1%
18.5%
Q2 25
3.1%
17.1%
Q1 25
1.4%
15.5%
Q4 24
0.3%
23.6%
Q3 24
0.4%
21.4%
Q2 24
0.2%
9.9%
Q1 24
1.0%
28.3%
Cash Conversion
HSTM
HSTM
NPKI
NPKI
Q4 25
Q3 25
2.96×
4.37×
Q2 25
0.93×
2.47×
Q1 25
6.25×
0.88×
Q4 24
Q3 24
3.34×
Q2 24
1.55×
3.43×
Q1 24
4.01×
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HSTM
HSTM

Subscription Services$77.0M97%
Professional Services$2.7M3%

NPKI
NPKI

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

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