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Side-by-side financial comparison of IMPINJ INC (PI) and RING ENERGY, INC. (REI). Click either name above to swap in a different company.

IMPINJ INC is the larger business by last-quarter revenue ($74.3M vs $66.9M, roughly 1.1× RING ENERGY, INC.). On growth, IMPINJ INC posted the faster year-over-year revenue change (-0.0% vs -19.8%). Over the past eight quarters, IMPINJ INC's revenue compounded faster (-14.9% CAGR vs -15.9%).

Impinj, Inc. is an American manufacturer of radio-frequency identification (RFID) devices and software. The company was founded in 2000 and is headquartered in Seattle, Washington. The company was started based on the research done at the California Institute of Technology by Carver Mead and Chris Diorio. Impinj currently produces EPC Class 1, Gen 2 passive UHF RFID chips, RFID readers, RFID reader chips, and RFID antennas, and software applications for encoding chips, and gathering business ...

Siemens Energy AG is a German publicly traded energy corporation formed through the spin-off of the former Gas and Power division of Siemens, and it includes full ownership of Siemens Gamesa.

PI vs REI — Head-to-Head

Bigger by revenue
PI
PI
1.1× larger
PI
$74.3M
$66.9M
REI
Growing faster (revenue YoY)
PI
PI
+19.8% gap
PI
-0.0%
-19.8%
REI
Faster 2-yr revenue CAGR
PI
PI
Annualised
PI
-14.9%
-15.9%
REI

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
PI
PI
REI
REI
Revenue
$74.3M
$66.9M
Net Profit
$8.3M
Gross Margin
49.1%
Operating Margin
30.5%
-37.6%
Net Margin
11.2%
Revenue YoY
-0.0%
-19.8%
Net Profit YoY
EPS (diluted)
$0.14
$-0.07

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
PI
PI
REI
REI
Q1 26
$74.3M
Q4 25
$92.8M
$66.9M
Q3 25
$96.1M
$78.6M
Q2 25
$97.9M
$82.6M
Q1 25
$74.3M
$79.1M
Q4 24
$91.6M
$83.4M
Q3 24
$95.2M
$89.2M
Q2 24
$102.5M
$99.1M
Net Profit
PI
PI
REI
REI
Q1 26
$8.3M
Q4 25
$-1.1M
Q3 25
$-12.8M
$-51.6M
Q2 25
$11.6M
$20.6M
Q1 25
$-8.5M
$9.1M
Q4 24
$-2.7M
Q3 24
$221.0K
$33.9M
Q2 24
$10.0M
$22.4M
Gross Margin
PI
PI
REI
REI
Q1 26
49.1%
Q4 25
51.8%
Q3 25
50.3%
Q2 25
57.8%
Q1 25
49.4%
Q4 24
50.5%
Q3 24
50.0%
Q2 24
56.1%
Operating Margin
PI
PI
REI
REI
Q1 26
30.5%
Q4 25
-2.9%
-37.6%
Q3 25
0.7%
-70.0%
Q2 25
11.1%
28.4%
Q1 25
-12.9%
28.3%
Q4 24
-3.9%
28.3%
Q3 24
-0.8%
33.4%
Q2 24
8.8%
42.2%
Net Margin
PI
PI
REI
REI
Q1 26
11.2%
Q4 25
-1.2%
Q3 25
-13.3%
-65.7%
Q2 25
11.8%
25.0%
Q1 25
-11.4%
11.5%
Q4 24
-2.9%
Q3 24
0.2%
38.0%
Q2 24
9.7%
22.6%
EPS (diluted)
PI
PI
REI
REI
Q1 26
$0.14
Q4 25
$-0.02
$-0.07
Q3 25
$-0.44
$-0.25
Q2 25
$0.39
$0.10
Q1 25
$-0.30
$0.05
Q4 24
$-0.06
$0.03
Q3 24
$0.01
$0.17
Q2 24
$0.34
$0.11

Balance Sheet & Financial Strength

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

Metric
PI
PI
REI
REI
Cash + ST InvestmentsLiquidity on hand
$131.8M
$902.9K
Total DebtLower is stronger
$241.5M
Stockholders' EquityBook value
$836.3M
Total Assets
$502.5M
$1.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PI
PI
REI
REI
Q1 26
$131.8M
Q4 25
$175.3M
$902.9K
Q3 25
$190.1M
$286.9K
Q2 25
$193.2M
Q1 25
$147.9M
$1.1M
Q4 24
$164.7M
$1.9M
Q3 24
$170.3M
Q2 24
$220.2M
$1.2M
Total Debt
PI
PI
REI
REI
Q1 26
$241.5M
Q4 25
$280.9M
Q3 25
$280.4M
Q2 25
Q1 25
Q4 24
$283.5M
Q3 24
Q2 24
Stockholders' Equity
PI
PI
REI
REI
Q1 26
Q4 25
$209.2M
$836.3M
Q3 25
$195.0M
$847.7M
Q2 25
$187.7M
$897.9M
Q1 25
$160.6M
$876.0M
Q4 24
$149.9M
$858.6M
Q3 24
$136.1M
$851.3M
Q2 24
$117.0M
$817.4M
Total Assets
PI
PI
REI
REI
Q1 26
$502.5M
Q4 25
$545.2M
$1.4B
Q3 25
$516.5M
$1.4B
Q2 25
$508.8M
$1.5B
Q1 25
$479.8M
$1.5B
Q4 24
$489.1M
$1.4B
Q3 24
$476.4M
$1.4B
Q2 24
$446.1M
$1.4B
Debt / Equity
PI
PI
REI
REI
Q1 26
Q4 25
1.34×
Q3 25
1.44×
Q2 25
Q1 25
Q4 24
1.89×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
PI
PI
REI
REI
Operating Cash FlowLast quarter
$44.7M
Free Cash FlowOCF − Capex
$2.2M
FCF MarginFCF / Revenue
3.0%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$61.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PI
PI
REI
REI
Q1 26
Q4 25
$15.1M
$44.7M
Q3 25
$20.9M
$44.5M
Q2 25
$33.9M
$33.3M
Q1 25
$-11.1M
$28.4M
Q4 24
$12.6M
$47.3M
Q3 24
$10.1M
$51.3M
Q2 24
$45.5M
$50.6M
Free Cash Flow
PI
PI
REI
REI
Q1 26
$2.2M
Q4 25
$13.6M
Q3 25
$18.0M
Q2 25
$27.3M
Q1 25
$-13.0M
Q4 24
$8.5M
Q3 24
$4.7M
Q2 24
$44.1M
FCF Margin
PI
PI
REI
REI
Q1 26
3.0%
Q4 25
14.7%
Q3 25
18.7%
Q2 25
27.9%
Q1 25
-17.5%
Q4 24
9.3%
Q3 24
4.9%
Q2 24
43.0%
Capex Intensity
PI
PI
REI
REI
Q1 26
Q4 25
1.6%
Q3 25
3.1%
Q2 25
6.7%
Q1 25
2.5%
Q4 24
4.5%
Q3 24
5.7%
Q2 24
1.3%
Cash Conversion
PI
PI
REI
REI
Q1 26
Q4 25
Q3 25
Q2 25
2.93×
1.61×
Q1 25
3.11×
Q4 24
Q3 24
45.56×
1.52×
Q2 24
4.56×
2.26×

Financial Flow Comparison

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

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