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Side-by-side financial comparison of Aurinia Pharmaceuticals Inc. (AUPH) and STURM RUGER & CO INC (RGR). Click either name above to swap in a different company.

STURM RUGER & CO INC is the larger business by last-quarter revenue ($151.1M vs $77.1M, roughly 2.0× Aurinia Pharmaceuticals Inc.). On growth, Aurinia Pharmaceuticals Inc. posted the faster year-over-year revenue change (28.8% vs 3.6%). Over the past eight quarters, Aurinia Pharmaceuticals Inc.'s revenue compounded faster (23.8% CAGR vs 5.1%).

Aurinia Pharmaceuticals Inc. is a late-stage biopharmaceutical company focused on developing and commercializing targeted therapies for autoimmune and kidney diseases. Its lead approved product is Lupkynis for adult active lupus nephritis treatment, with core operations in North America and European markets, focusing on nephrology and rare immunology therapeutic segments.

Sturm, Ruger & Company, Inc., better known by the shortened name Ruger, is an American firearm manufacturing company based in Southport, Connecticut, with production facilities also in Newport, New Hampshire; Mayodan, North Carolina; and Prescott, Arizona. The company was founded in 1949 by Alexander McCormick Sturm and William B. Ruger and has been publicly traded since 1969.

AUPH vs RGR — Head-to-Head

Bigger by revenue
RGR
RGR
2.0× larger
RGR
$151.1M
$77.1M
AUPH
Growing faster (revenue YoY)
AUPH
AUPH
+25.2% gap
AUPH
28.8%
3.6%
RGR
Faster 2-yr revenue CAGR
AUPH
AUPH
Annualised
AUPH
23.8%
5.1%
RGR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AUPH
AUPH
RGR
RGR
Revenue
$77.1M
$151.1M
Net Profit
$210.8M
Gross Margin
88.6%
17.8%
Operating Margin
43.1%
2.3%
Net Margin
273.4%
Revenue YoY
28.8%
3.6%
Net Profit YoY
14651.2%
EPS (diluted)
$1.52
$0.22

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
AUPH
AUPH
RGR
RGR
Q4 25
$77.1M
$151.1M
Q3 25
$73.5M
$126.8M
Q2 25
$70.0M
$132.5M
Q1 25
$62.5M
$135.7M
Q4 24
$59.9M
$145.8M
Q3 24
$67.8M
$122.3M
Q2 24
$57.2M
$130.8M
Q1 24
$50.3M
$136.8M
Net Profit
AUPH
AUPH
RGR
RGR
Q4 25
$210.8M
Q3 25
$31.6M
$1.6M
Q2 25
$21.5M
$-17.2M
Q1 25
$23.3M
$7.8M
Q4 24
$1.4M
Q3 24
$14.3M
$4.7M
Q2 24
$722.0K
$8.3M
Q1 24
$-10.7M
$7.1M
Gross Margin
AUPH
AUPH
RGR
RGR
Q4 25
88.6%
17.8%
Q3 25
88.9%
15.1%
Q2 25
89.8%
3.9%
Q1 25
86.3%
22.0%
Q4 24
90.7%
22.8%
Q3 24
91.1%
18.5%
Q2 24
84.4%
22.3%
Q1 24
84.6%
21.5%
Operating Margin
AUPH
AUPH
RGR
RGR
Q4 25
43.1%
2.3%
Q3 25
40.5%
-2.7%
Q2 25
28.7%
-15.6%
Q1 25
35.0%
6.2%
Q4 24
-2.8%
7.8%
Q3 24
17.3%
3.1%
Q2 24
-2.6%
6.9%
Q1 24
-26.3%
5.5%
Net Margin
AUPH
AUPH
RGR
RGR
Q4 25
273.4%
Q3 25
42.9%
1.2%
Q2 25
30.7%
-13.0%
Q1 25
37.4%
5.7%
Q4 24
2.4%
Q3 24
21.2%
3.9%
Q2 24
1.3%
6.3%
Q1 24
-21.4%
5.2%
EPS (diluted)
AUPH
AUPH
RGR
RGR
Q4 25
$1.52
$0.22
Q3 25
$0.23
$0.10
Q2 25
$0.16
$-1.05
Q1 25
$0.16
$0.46
Q4 24
$0.00
$0.62
Q3 24
$0.10
$0.28
Q2 24
$0.01
$0.47
Q1 24
$-0.07
$0.40

Balance Sheet & Financial Strength

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

Metric
AUPH
AUPH
RGR
RGR
Cash + ST InvestmentsLiquidity on hand
$80.2M
$92.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$581.3M
$283.8M
Total Assets
$751.6M
$342.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AUPH
AUPH
RGR
RGR
Q4 25
$80.2M
$92.5M
Q3 25
$72.9M
$80.8M
Q2 25
$52.9M
$101.4M
Q1 25
$66.1M
$108.3M
Q4 24
$83.4M
$105.5M
Q3 24
$36.6M
$96.0M
Q2 24
$33.3M
$105.6M
Q1 24
$63.9M
$115.3M
Stockholders' Equity
AUPH
AUPH
RGR
RGR
Q4 25
$581.3M
$283.8M
Q3 25
$365.8M
$279.6M
Q2 25
$335.3M
$289.3M
Q1 25
$350.2M
$321.5M
Q4 24
$377.5M
$319.6M
Q3 24
$388.0M
$314.9M
Q2 24
$364.6M
$321.5M
Q1 24
$359.5M
$332.0M
Total Assets
AUPH
AUPH
RGR
RGR
Q4 25
$751.6M
$342.0M
Q3 25
$527.5M
$342.3M
Q2 25
$502.6M
$349.5M
Q1 25
$504.9M
$379.0M
Q4 24
$550.6M
$384.0M
Q3 24
$549.4M
$373.5M
Q2 24
$523.5M
$376.7M
Q1 24
$516.6M
$385.0M

Cash Flow & Capital Efficiency

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

Metric
AUPH
AUPH
RGR
RGR
Operating Cash FlowLast quarter
$45.7M
$15.5M
Free Cash FlowOCF − Capex
$12.3M
FCF MarginFCF / Revenue
8.2%
Capex IntensityCapex / Revenue
2.1%
Cash ConversionOCF / Net Profit
0.22×
TTM Free Cash FlowTrailing 4 quarters
$38.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AUPH
AUPH
RGR
RGR
Q4 25
$45.7M
$15.5M
Q3 25
$44.4M
$12.9M
Q2 25
$44.2M
$14.7M
Q1 25
$1.3M
$11.1M
Q4 24
$30.1M
$20.0M
Q3 24
$17.0M
$9.4M
Q2 24
$15.8M
$18.7M
Q1 24
$-18.6M
$7.3M
Free Cash Flow
AUPH
AUPH
RGR
RGR
Q4 25
$12.3M
Q3 25
$7.0M
Q2 25
$9.1M
Q1 25
$10.0M
Q4 24
$16.4M
Q3 24
$2.6M
Q2 24
$10.1M
Q1 24
$5.6M
FCF Margin
AUPH
AUPH
RGR
RGR
Q4 25
8.2%
Q3 25
5.5%
Q2 25
6.9%
Q1 25
7.4%
Q4 24
11.2%
Q3 24
2.1%
Q2 24
7.7%
Q1 24
4.1%
Capex Intensity
AUPH
AUPH
RGR
RGR
Q4 25
2.1%
Q3 25
4.6%
Q2 25
4.2%
Q1 25
0.8%
Q4 24
2.5%
Q3 24
5.5%
Q2 24
6.6%
Q1 24
1.3%
Cash Conversion
AUPH
AUPH
RGR
RGR
Q4 25
0.22×
Q3 25
1.41×
8.15×
Q2 25
2.06×
Q1 25
0.06×
1.43×
Q4 24
21.07×
Q3 24
1.19×
1.98×
Q2 24
21.94×
2.27×
Q1 24
1.04×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AUPH
AUPH

Products$74.2M96%
License Collaboration And Royalty Revenue$2.9M4%

RGR
RGR

Firearms$150.6M100%
Castings$7.3M5%

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