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Side-by-side financial comparison of GERON CORP (GERN) and UNITED STATES LIME & MINERALS INC (USLM). Click either name above to swap in a different company.

UNITED STATES LIME & MINERALS INC is the larger business by last-quarter revenue ($87.9M vs $47.2M, roughly 1.9× GERON CORP). UNITED STATES LIME & MINERALS INC runs the higher net margin — 34.7% vs -39.0%, a 73.8% gap on every dollar of revenue. On growth, GERON CORP posted the faster year-over-year revenue change (67.1% vs 9.8%). Over the past eight quarters, GERON CORP's revenue compounded faster (1597.0% CAGR vs 10.8%).

Geron Corporation is a biotechnology company located in Foster City, California which specializes in developing and commercializing therapeutic products for cancer that inhibit telomerase.

United States Lime & Minerals Inc is a leading US-based natural resources enterprise that produces high-calcium lime, dolomitic lime, limestone and related mineral products. Its core client segments cover infrastructure construction, steel manufacturing, agricultural soil amendment, environmental emission control and industrial processing, serving customers across North America.

GERN vs USLM — Head-to-Head

Bigger by revenue
USLM
USLM
1.9× larger
USLM
$87.9M
$47.2M
GERN
Growing faster (revenue YoY)
GERN
GERN
+57.2% gap
GERN
67.1%
9.8%
USLM
Higher net margin
USLM
USLM
73.8% more per $
USLM
34.7%
-39.0%
GERN
Faster 2-yr revenue CAGR
GERN
GERN
Annualised
GERN
1597.0%
10.8%
USLM

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
GERN
GERN
USLM
USLM
Revenue
$47.2M
$87.9M
Net Profit
$-18.4M
$30.5M
Gross Margin
48.0%
Operating Margin
-29.4%
41.0%
Net Margin
-39.0%
34.7%
Revenue YoY
67.1%
9.8%
Net Profit YoY
30.3%
13.2%
EPS (diluted)
$-0.03
$1.06

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
GERN
GERN
USLM
USLM
Q4 25
$87.9M
Q3 25
$47.2M
$102.0M
Q2 25
$49.0M
$91.5M
Q1 25
$39.6M
$91.3M
Q4 24
$80.1M
Q3 24
$28.3M
$89.4M
Q2 24
$882.0K
$76.5M
Q1 24
$304.0K
$71.7M
Net Profit
GERN
GERN
USLM
USLM
Q4 25
$30.5M
Q3 25
$-18.4M
$38.8M
Q2 25
$-16.4M
$30.8M
Q1 25
$-19.8M
$34.1M
Q4 24
$27.0M
Q3 24
$-26.4M
$33.4M
Q2 24
$-67.4M
$26.1M
Q1 24
$-55.4M
$22.4M
Gross Margin
GERN
GERN
USLM
USLM
Q4 25
48.0%
Q3 25
51.2%
Q2 25
45.8%
Q1 25
50.6%
Q4 24
44.3%
Q3 24
48.2%
Q2 24
45.5%
Q1 24
42.7%
Operating Margin
GERN
GERN
USLM
USLM
Q4 25
41.0%
Q3 25
-29.4%
45.3%
Q2 25
-25.4%
39.0%
Q1 25
-42.2%
43.7%
Q4 24
38.8%
Q3 24
-99.8%
42.6%
Q2 24
-7860.9%
39.1%
Q1 24
-18465.1%
35.9%
Net Margin
GERN
GERN
USLM
USLM
Q4 25
34.7%
Q3 25
-39.0%
38.0%
Q2 25
-33.4%
33.7%
Q1 25
-50.1%
37.4%
Q4 24
33.7%
Q3 24
-93.5%
37.3%
Q2 24
-7639.8%
34.0%
Q1 24
-18220.4%
31.3%
EPS (diluted)
GERN
GERN
USLM
USLM
Q4 25
$1.06
Q3 25
$-0.03
$1.35
Q2 25
$-0.02
$1.07
Q1 25
$-0.03
$1.19
Q4 24
$-2.20
Q3 24
$-0.04
$1.16
Q2 24
$-0.10
$0.91
Q1 24
$-0.09
$3.92

Balance Sheet & Financial Strength

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

Metric
GERN
GERN
USLM
USLM
Cash + ST InvestmentsLiquidity on hand
$78.1M
$371.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$248.7M
$630.8M
Total Assets
$567.4M
$681.0M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GERN
GERN
USLM
USLM
Q4 25
$371.1M
Q3 25
$78.1M
$349.5M
Q2 25
$77.7M
$319.9M
Q1 25
$83.7M
$300.6M
Q4 24
$278.0M
Q3 24
$60.3M
$255.0M
Q2 24
$116.9M
$222.5M
Q1 24
$189.8M
$207.0M
Total Debt
GERN
GERN
USLM
USLM
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
GERN
GERN
USLM
USLM
Q4 25
$630.8M
Q3 25
$248.7M
$602.3M
Q2 25
$259.5M
$563.3M
Q1 25
$268.2M
$532.2M
Q4 24
$497.7M
Q3 24
$292.3M
$474.2M
Q2 24
$306.7M
$441.1M
Q1 24
$344.9M
$415.3M
Total Assets
GERN
GERN
USLM
USLM
Q4 25
$681.0M
Q3 25
$567.4M
$652.8M
Q2 25
$555.2M
$607.4M
Q1 25
$562.5M
$585.3M
Q4 24
$543.2M
Q3 24
$444.9M
$521.8M
Q2 24
$449.4M
$484.2M
Q1 24
$482.1M
$464.0M
Debt / Equity
GERN
GERN
USLM
USLM
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
GERN
GERN
USLM
USLM
Operating Cash FlowLast quarter
$-13.6M
$45.6M
Free Cash FlowOCF − Capex
$25.7M
FCF MarginFCF / Revenue
29.2%
Capex IntensityCapex / Revenue
22.6%
Cash ConversionOCF / Net Profit
1.49×
TTM Free Cash FlowTrailing 4 quarters
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GERN
GERN
USLM
USLM
Q4 25
$45.6M
Q3 25
$-13.6M
$45.9M
Q2 25
$-27.4M
$34.0M
Q1 25
$-48.0M
$39.4M
Q4 24
$38.6M
Q3 24
$-58.9M
$39.0M
Q2 24
$-53.5M
$21.2M
Q1 24
$-62.3M
$27.2M
Free Cash Flow
GERN
GERN
USLM
USLM
Q4 25
$25.7M
Q3 25
$31.3M
Q2 25
$20.8M
Q1 25
$24.6M
Q4 24
$27.6M
Q3 24
$33.9M
Q2 24
$-53.7M
$16.8M
Q1 24
$-62.9M
$20.3M
FCF Margin
GERN
GERN
USLM
USLM
Q4 25
29.2%
Q3 25
30.7%
Q2 25
22.7%
Q1 25
26.9%
Q4 24
34.4%
Q3 24
37.9%
Q2 24
-6086.6%
21.9%
Q1 24
-20680.3%
28.4%
Capex Intensity
GERN
GERN
USLM
USLM
Q4 25
22.6%
Q3 25
14.4%
Q2 25
14.5%
Q1 25
16.3%
Q4 24
13.8%
Q3 24
0.0%
5.8%
Q2 24
23.4%
5.7%
Q1 24
202.3%
9.5%
Cash Conversion
GERN
GERN
USLM
USLM
Q4 25
1.49×
Q3 25
1.18×
Q2 25
1.10×
Q1 25
1.16×
Q4 24
1.43×
Q3 24
1.17×
Q2 24
0.81×
Q1 24
1.21×

Financial Flow Comparison

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

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