vs

Side-by-side financial comparison of National Storage Affiliates Trust (NSA) and POWER INTEGRATIONS INC (POWI). Click either name above to swap in a different company.

National Storage Affiliates Trust is the larger business by last-quarter revenue ($187.0M vs $103.2M, roughly 1.8× POWER INTEGRATIONS INC). POWER INTEGRATIONS INC runs the higher net margin — 12.9% vs 12.2%, a 0.6% gap on every dollar of revenue. On growth, National Storage Affiliates Trust posted the faster year-over-year revenue change (-1.6% vs -1.9%). National Storage Affiliates Trust produced more free cash flow last quarter ($299.8M vs $19.2M). Over the past eight quarters, POWER INTEGRATIONS INC's revenue compounded faster (6.1% CAGR vs -2.4%).

National Storage Affiliates Trust is a U.S.-headquartered real estate investment trust focused on self-storage assets. It owns, operates and acquires self-storage facilities across dozens of U.S. states, offering secure storage solutions for residential and commercial customers.

American Electric Power Company, Inc. is an American domestic electric utility company in the United States. It is one of the largest electric utility companies in the country, with more than five million customers in 11 states.

NSA vs POWI — Head-to-Head

Bigger by revenue
NSA
NSA
1.8× larger
NSA
$187.0M
$103.2M
POWI
Growing faster (revenue YoY)
NSA
NSA
+0.3% gap
NSA
-1.6%
-1.9%
POWI
Higher net margin
POWI
POWI
0.6% more per $
POWI
12.9%
12.2%
NSA
More free cash flow
NSA
NSA
$280.7M more FCF
NSA
$299.8M
$19.2M
POWI
Faster 2-yr revenue CAGR
POWI
POWI
Annualised
POWI
6.1%
-2.4%
NSA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NSA
NSA
POWI
POWI
Revenue
$187.0M
$103.2M
Net Profit
$22.9M
$13.3M
Gross Margin
72.5%
52.9%
Operating Margin
20.2%
8.5%
Net Margin
12.2%
12.9%
Revenue YoY
-1.6%
-1.9%
Net Profit YoY
36.8%
45.4%
EPS (diluted)
$0.23
$0.24

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
NSA
NSA
POWI
POWI
Q4 25
$187.0M
$103.2M
Q3 25
$188.7M
$118.9M
Q2 25
$188.8M
$115.9M
Q1 25
$188.4M
$105.5M
Q4 24
$190.1M
$105.3M
Q3 24
$193.6M
$115.8M
Q2 24
$190.4M
$106.2M
Q1 24
$196.1M
$91.7M
Net Profit
NSA
NSA
POWI
POWI
Q4 25
$22.9M
$13.3M
Q3 25
$18.4M
$-1.4M
Q2 25
$19.5M
$1.4M
Q1 25
$13.0M
$8.8M
Q4 24
$16.7M
$9.1M
Q3 24
$18.7M
$14.3M
Q2 24
$17.1M
$4.8M
Q1 24
$59.0M
$4.0M
Gross Margin
NSA
NSA
POWI
POWI
Q4 25
72.5%
52.9%
Q3 25
70.7%
54.5%
Q2 25
70.5%
55.2%
Q1 25
70.7%
55.2%
Q4 24
72.5%
54.4%
Q3 24
72.8%
54.5%
Q2 24
72.6%
53.2%
Q1 24
72.1%
52.1%
Operating Margin
NSA
NSA
POWI
POWI
Q4 25
20.2%
8.5%
Q3 25
15.8%
-3.3%
Q2 25
16.5%
-1.2%
Q1 25
11.0%
6.4%
Q4 24
14.5%
3.7%
Q3 24
15.8%
10.0%
Q2 24
17.2%
1.8%
Q1 24
48.9%
0.5%
Net Margin
NSA
NSA
POWI
POWI
Q4 25
12.2%
12.9%
Q3 25
9.8%
-1.1%
Q2 25
10.3%
1.2%
Q1 25
6.9%
8.3%
Q4 24
8.8%
8.7%
Q3 24
9.7%
12.3%
Q2 24
9.0%
4.6%
Q1 24
30.1%
4.3%
EPS (diluted)
NSA
NSA
POWI
POWI
Q4 25
$0.23
$0.24
Q3 25
$0.17
$-0.02
Q2 25
$0.19
$0.02
Q1 25
$0.10
$0.15
Q4 24
$0.19
$0.15
Q3 24
$0.18
$0.25
Q2 24
$0.16
$0.09
Q1 24
$0.65
$0.07

Balance Sheet & Financial Strength

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

Metric
NSA
NSA
POWI
POWI
Cash + ST InvestmentsLiquidity on hand
$23.3M
$249.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$946.0M
$672.8M
Total Assets
$5.1B
$772.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NSA
NSA
POWI
POWI
Q4 25
$23.3M
$249.5M
Q3 25
$26.3M
$241.9M
Q2 25
$26.1M
$268.7M
Q1 25
$19.3M
$289.3M
Q4 24
$50.4M
$300.0M
Q3 24
$69.9M
$303.8M
Q2 24
$59.0M
$290.5M
Q1 24
$64.2M
$299.6M
Stockholders' Equity
NSA
NSA
POWI
POWI
Q4 25
$946.0M
$672.8M
Q3 25
$973.1M
$672.0M
Q2 25
$1.0B
$703.8M
Q1 25
$1.0B
$735.8M
Q4 24
$1.1B
$749.8M
Q3 24
$986.9M
$749.2M
Q2 24
$1.2B
$730.7M
Q1 24
$1.3B
$738.2M
Total Assets
NSA
NSA
POWI
POWI
Q4 25
$5.1B
$772.2M
Q3 25
$5.1B
$772.5M
Q2 25
$5.2B
$797.5M
Q1 25
$5.3B
$814.4M
Q4 24
$5.4B
$828.8M
Q3 24
$5.4B
$825.0M
Q2 24
$5.3B
$804.8M
Q1 24
$5.4B
$805.8M

Cash Flow & Capital Efficiency

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

Metric
NSA
NSA
POWI
POWI
Operating Cash FlowLast quarter
$338.5M
$26.2M
Free Cash FlowOCF − Capex
$299.8M
$19.2M
FCF MarginFCF / Revenue
160.3%
18.6%
Capex IntensityCapex / Revenue
20.7%
6.8%
Cash ConversionOCF / Net Profit
14.79×
1.97×
TTM Free Cash FlowTrailing 4 quarters
$541.5M
$87.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NSA
NSA
POWI
POWI
Q4 25
$338.5M
$26.2M
Q3 25
$100.2M
$29.9M
Q2 25
$79.9M
$29.1M
Q1 25
$85.6M
$26.4M
Q4 24
$363.1M
$14.7M
Q3 24
$105.7M
$32.9M
Q2 24
$83.2M
$17.6M
Q1 24
$94.0M
$15.9M
Free Cash Flow
NSA
NSA
POWI
POWI
Q4 25
$299.8M
$19.2M
Q3 25
$88.0M
$24.2M
Q2 25
$73.8M
$23.1M
Q1 25
$79.9M
$20.7M
Q4 24
$344.4M
$11.7M
Q3 24
$101.8M
$27.2M
Q2 24
$79.5M
$13.5M
Q1 24
$88.6M
$11.6M
FCF Margin
NSA
NSA
POWI
POWI
Q4 25
160.3%
18.6%
Q3 25
46.6%
20.3%
Q2 25
39.1%
20.0%
Q1 25
42.4%
19.6%
Q4 24
181.2%
11.1%
Q3 24
52.6%
23.5%
Q2 24
41.7%
12.7%
Q1 24
45.2%
12.6%
Capex Intensity
NSA
NSA
POWI
POWI
Q4 25
20.7%
6.8%
Q3 25
6.5%
4.8%
Q2 25
3.2%
5.1%
Q1 25
3.0%
5.4%
Q4 24
9.8%
2.9%
Q3 24
2.0%
4.9%
Q2 24
1.9%
3.9%
Q1 24
2.7%
4.7%
Cash Conversion
NSA
NSA
POWI
POWI
Q4 25
14.79×
1.97×
Q3 25
5.44×
Q2 25
4.10×
21.24×
Q1 25
6.59×
3.00×
Q4 24
21.70×
1.61×
Q3 24
5.65×
2.30×
Q2 24
4.88×
3.64×
Q1 24
1.59×
4.02×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NSA
NSA

Segment breakdown not available.

POWI
POWI

Distributors$65.8M64%
Other$10.3M10%
KR$9.3M9%
DE$7.1M7%
TW$5.5M5%
Emea Other Than Germany$5.3M5%

Related Comparisons