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Side-by-side financial comparison of NORTHERN OIL & GAS, INC. (NOG) and Penumbra Inc (PEN). Click either name above to swap in a different company.

NORTHERN OIL & GAS, INC. is the larger business by last-quarter revenue ($610.2M vs $385.4M, roughly 1.6× Penumbra Inc). Penumbra Inc runs the higher net margin — 12.3% vs -11.6%, a 23.9% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs -72.6%). Penumbra Inc produced more free cash flow last quarter ($68.0M vs $43.2M). Over the past eight quarters, Penumbra Inc's revenue compounded faster (17.6% CAGR vs 4.3%).

Marathon Oil Corporation was an American company engaged in hydrocarbon exploration. In November 2024, it was acquired by ConocoPhillips and absorbed into the company.

Penumbra, Inc. is an American medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures devices for interventional therapies to treat vascular conditions such as stroke and aneurysm.

NOG vs PEN — Head-to-Head

Bigger by revenue
NOG
NOG
1.6× larger
NOG
$610.2M
$385.4M
PEN
Growing faster (revenue YoY)
PEN
PEN
+94.7% gap
PEN
22.1%
-72.6%
NOG
Higher net margin
PEN
PEN
23.9% more per $
PEN
12.3%
-11.6%
NOG
More free cash flow
PEN
PEN
$24.8M more FCF
PEN
$68.0M
$43.2M
NOG
Faster 2-yr revenue CAGR
PEN
PEN
Annualised
PEN
17.6%
4.3%
NOG

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
NOG
NOG
PEN
PEN
Revenue
$610.2M
$385.4M
Net Profit
$-70.7M
$47.3M
Gross Margin
68.0%
Operating Margin
15.4%
Net Margin
-11.6%
12.3%
Revenue YoY
-72.6%
22.1%
Net Profit YoY
-198.7%
40.6%
EPS (diluted)
$-0.73
$1.20

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
NOG
NOG
PEN
PEN
Q1 26
$610.2M
Q4 25
$610.2M
$385.4M
Q3 25
$556.6M
$354.7M
Q2 25
$706.8M
$339.5M
Q1 25
$602.1M
$324.1M
Q4 24
$515.0M
$315.5M
Q3 24
$753.6M
$301.0M
Q2 24
$560.8M
$299.4M
Net Profit
NOG
NOG
PEN
PEN
Q1 26
$-70.7M
Q4 25
$-70.7M
$47.3M
Q3 25
$-129.1M
$45.9M
Q2 25
$99.6M
$45.3M
Q1 25
$139.0M
$39.2M
Q4 24
$71.7M
$33.7M
Q3 24
$298.4M
$29.5M
Q2 24
$138.6M
$-60.2M
Gross Margin
NOG
NOG
PEN
PEN
Q1 26
Q4 25
80.4%
68.0%
Q3 25
78.7%
67.8%
Q2 25
82.8%
66.0%
Q1 25
81.1%
66.6%
Q4 24
77.4%
66.8%
Q3 24
85.8%
66.5%
Q2 24
82.0%
54.4%
Operating Margin
NOG
NOG
PEN
PEN
Q1 26
Q4 25
-5.5%
15.4%
Q3 25
-22.6%
13.8%
Q2 25
24.9%
12.0%
Q1 25
38.1%
12.4%
Q4 24
25.8%
13.6%
Q3 24
57.6%
11.7%
Q2 24
39.0%
-27.0%
Net Margin
NOG
NOG
PEN
PEN
Q1 26
-11.6%
Q4 25
-11.6%
12.3%
Q3 25
-23.2%
12.9%
Q2 25
14.1%
13.3%
Q1 25
23.1%
12.1%
Q4 24
13.9%
10.7%
Q3 24
39.6%
9.8%
Q2 24
24.7%
-20.1%
EPS (diluted)
NOG
NOG
PEN
PEN
Q1 26
$-0.73
Q4 25
$-0.67
$1.20
Q3 25
$-1.33
$1.17
Q2 25
$1.00
$1.15
Q1 25
$1.39
$1.00
Q4 24
$0.71
$0.88
Q3 24
$2.96
$0.75
Q2 24
$1.36
$-1.55

Balance Sheet & Financial Strength

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

Metric
NOG
NOG
PEN
PEN
Cash + ST InvestmentsLiquidity on hand
$14.3M
$186.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.1B
$1.4B
Total Assets
$5.4B
$1.8B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NOG
NOG
PEN
PEN
Q1 26
$14.3M
Q4 25
$14.3M
$186.9M
Q3 25
$31.6M
$321.0M
Q2 25
$25.9M
$421.8M
Q1 25
$33.6M
$376.1M
Q4 24
$8.9M
$324.4M
Q3 24
$34.4M
$280.5M
Q2 24
$7.8M
$288.3M
Total Debt
NOG
NOG
PEN
PEN
Q1 26
Q4 25
$2.4B
Q3 25
$2.3B
Q2 25
$2.4B
Q1 25
$2.3B
Q4 24
$2.4B
Q3 24
$2.0B
Q2 24
$1.9B
Stockholders' Equity
NOG
NOG
PEN
PEN
Q1 26
$2.1B
Q4 25
$2.1B
$1.4B
Q3 25
$2.2B
$1.4B
Q2 25
$2.4B
$1.3B
Q1 25
$2.4B
$1.2B
Q4 24
$2.3B
$1.2B
Q3 24
$2.3B
$1.1B
Q2 24
$2.1B
$1.2B
Total Assets
NOG
NOG
PEN
PEN
Q1 26
$5.4B
Q4 25
$5.4B
$1.8B
Q3 25
$5.5B
$1.7B
Q2 25
$5.7B
$1.7B
Q1 25
$5.7B
$1.6B
Q4 24
$5.6B
$1.5B
Q3 24
$5.1B
$1.5B
Q2 24
$4.7B
$1.5B
Debt / Equity
NOG
NOG
PEN
PEN
Q1 26
Q4 25
1.13×
Q3 25
1.05×
Q2 25
0.98×
Q1 25
0.96×
Q4 24
1.02×
Q3 24
0.84×
Q2 24
0.91×

Cash Flow & Capital Efficiency

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

Metric
NOG
NOG
PEN
PEN
Operating Cash FlowLast quarter
$312.6M
$86.5M
Free Cash FlowOCF − Capex
$43.2M
$68.0M
FCF MarginFCF / Revenue
7.1%
17.7%
Capex IntensityCapex / Revenue
31.5%
4.8%
Cash ConversionOCF / Net Profit
1.83×
TTM Free Cash FlowTrailing 4 quarters
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NOG
NOG
PEN
PEN
Q1 26
$312.6M
Q4 25
$312.6M
$86.5M
Q3 25
$423.1M
$58.3M
Q2 25
$362.1M
$44.9M
Q1 25
$407.4M
$49.0M
Q4 24
$290.3M
$51.1M
Q3 24
$385.8M
$56.5M
Q2 24
$340.5M
$22.6M
Free Cash Flow
NOG
NOG
PEN
PEN
Q1 26
$43.2M
Q4 25
$68.0M
Q3 25
$42.0M
Q2 25
$29.4M
Q1 25
$35.5M
Q4 24
$45.7M
Q3 24
$51.0M
Q2 24
$18.1M
FCF Margin
NOG
NOG
PEN
PEN
Q1 26
7.1%
Q4 25
17.7%
Q3 25
11.8%
Q2 25
8.7%
Q1 25
11.0%
Q4 24
14.5%
Q3 24
16.9%
Q2 24
6.0%
Capex Intensity
NOG
NOG
PEN
PEN
Q1 26
31.5%
Q4 25
4.8%
Q3 25
4.6%
Q2 25
4.6%
Q1 25
4.2%
Q4 24
1.7%
Q3 24
1.8%
Q2 24
1.5%
Cash Conversion
NOG
NOG
PEN
PEN
Q1 26
Q4 25
1.83×
Q3 25
1.27×
Q2 25
3.64×
0.99×
Q1 25
2.93×
1.25×
Q4 24
4.05×
1.52×
Q3 24
1.29×
1.91×
Q2 24
2.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NOG
NOG

Oil and Gas Sales$447.7M73%
Gain on Commodity Derivatives, Net$159.3M26%
Other Revenue$3.1M1%

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

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