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Side-by-side financial comparison of DORCHESTER MINERALS, L.P. (DMLP) and OptimizeRx Corp (OPRX). Click either name above to swap in a different company.

DORCHESTER MINERALS, L.P. is the larger business by last-quarter revenue ($41.9M vs $32.2M, roughly 1.3× OptimizeRx Corp). DORCHESTER MINERALS, L.P. runs the higher net margin — 38.7% vs 15.6%, a 23.1% gap on every dollar of revenue. On growth, DORCHESTER MINERALS, L.P. posted the faster year-over-year revenue change (5.4% vs -0.2%). Over the past eight quarters, OptimizeRx Corp's revenue compounded faster (28.0% CAGR vs 16.2%).

Dorchester Minerals, L.P. is a publicly traded master limited partnership based in the United States. It acquires, owns, and manages a diversified portfolio of royalty interests, net profit interests, and mineral properties associated with oil, natural gas, and natural gas liquids production across key onshore U.S. energy basins, delivering stable cash flow returns to its unitholders.

OptimizeRx Corp is a U.S.-headquartered digital health technology company that delivers patient engagement, medication affordability and clinical communication solutions to life sciences enterprises, healthcare providers and pharmacy partners. Its core offerings include digital medication savings tools, patient support programs, and therapeutic area-specific resources to boost medication access and treatment adherence.

DMLP vs OPRX — Head-to-Head

Bigger by revenue
DMLP
DMLP
1.3× larger
DMLP
$41.9M
$32.2M
OPRX
Growing faster (revenue YoY)
DMLP
DMLP
+5.6% gap
DMLP
5.4%
-0.2%
OPRX
Higher net margin
DMLP
DMLP
23.1% more per $
DMLP
38.7%
15.6%
OPRX
Faster 2-yr revenue CAGR
OPRX
OPRX
Annualised
OPRX
28.0%
16.2%
DMLP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DMLP
DMLP
OPRX
OPRX
Revenue
$41.9M
$32.2M
Net Profit
$16.2M
$5.0M
Gross Margin
74.8%
Operating Margin
26.6%
Net Margin
38.7%
15.6%
Revenue YoY
5.4%
-0.2%
Net Profit YoY
13.7%
6535.9%
EPS (diluted)
$0.27

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
DMLP
DMLP
OPRX
OPRX
Q4 25
$41.9M
$32.2M
Q3 25
$35.4M
$26.1M
Q2 25
$32.4M
$29.2M
Q1 25
$43.2M
$21.9M
Q4 24
$39.7M
$32.3M
Q3 24
$53.5M
$21.3M
Q2 24
$37.4M
$18.8M
Q1 24
$31.0M
$19.7M
Net Profit
DMLP
DMLP
OPRX
OPRX
Q4 25
$16.2M
$5.0M
Q3 25
$11.2M
$779.0K
Q2 25
$12.3M
$1.5M
Q1 25
$17.6M
$-2.2M
Q4 24
$14.2M
$-78.0K
Q3 24
$36.4M
$-9.1M
Q2 24
$23.6M
$-4.0M
Q1 24
$18.2M
$-6.9M
Gross Margin
DMLP
DMLP
OPRX
OPRX
Q4 25
74.8%
Q3 25
67.2%
Q2 25
63.8%
Q1 25
60.9%
Q4 24
68.1%
Q3 24
63.1%
Q2 24
62.2%
Q1 24
62.0%
Operating Margin
DMLP
DMLP
OPRX
OPRX
Q4 25
26.6%
Q3 25
7.9%
Q2 25
10.9%
Q1 25
-9.6%
Q4 24
11.2%
Q3 24
-40.2%
Q2 24
-19.9%
Q1 24
-25.5%
Net Margin
DMLP
DMLP
OPRX
OPRX
Q4 25
38.7%
15.6%
Q3 25
31.5%
3.0%
Q2 25
38.1%
5.2%
Q1 25
40.9%
-10.0%
Q4 24
35.9%
-0.2%
Q3 24
68.1%
-42.8%
Q2 24
63.2%
-21.3%
Q1 24
58.6%
-35.0%
EPS (diluted)
DMLP
DMLP
OPRX
OPRX
Q4 25
$0.27
Q3 25
$0.04
Q2 25
$0.08
Q1 25
$-0.12
Q4 24
$0.00
Q3 24
$-0.50
Q2 24
$-0.22
Q1 24
$-0.38

Balance Sheet & Financial Strength

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

Metric
DMLP
DMLP
OPRX
OPRX
Cash + ST InvestmentsLiquidity on hand
$41.9M
$23.4M
Total DebtLower is stronger
$26.3M
Stockholders' EquityBook value
$128.3M
Total Assets
$309.6M
$176.9M
Debt / EquityLower = less leverage
0.20×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DMLP
DMLP
OPRX
OPRX
Q4 25
$41.9M
$23.4M
Q3 25
$41.6M
$19.5M
Q2 25
$36.5M
$16.6M
Q1 25
$41.5M
$16.6M
Q4 24
$42.5M
$13.4M
Q3 24
$56.5M
$16.1M
Q2 24
$35.2M
Q1 24
$37.7M
Total Debt
DMLP
DMLP
OPRX
OPRX
Q4 25
$26.3M
Q3 25
$28.8M
Q2 25
$29.3M
Q1 25
$33.8M
Q4 24
$34.3M
Q3 24
$36.8M
Q2 24
$37.3M
Q1 24
$37.8M
Stockholders' Equity
DMLP
DMLP
OPRX
OPRX
Q4 25
$128.3M
Q3 25
$122.3M
Q2 25
$119.3M
Q1 25
$116.3M
Q4 24
$117.0M
Q3 24
$114.5M
Q2 24
$121.0M
Q1 24
$122.5M
Total Assets
DMLP
DMLP
OPRX
OPRX
Q4 25
$309.6M
$176.9M
Q3 25
$330.4M
$170.3M
Q2 25
$325.6M
$169.3M
Q1 25
$349.0M
$167.8M
Q4 24
$366.8M
$171.2M
Q3 24
$403.4M
$165.2M
Q2 24
$176.0M
$172.9M
Q1 24
$184.8M
$176.4M
Debt / Equity
DMLP
DMLP
OPRX
OPRX
Q4 25
0.20×
Q3 25
0.24×
Q2 25
0.25×
Q1 25
0.29×
Q4 24
0.29×
Q3 24
0.32×
Q2 24
0.31×
Q1 24
0.31×

Cash Flow & Capital Efficiency

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

Metric
DMLP
DMLP
OPRX
OPRX
Operating Cash FlowLast quarter
$34.3M
$7.1M
Free Cash FlowOCF − Capex
$7.1M
FCF MarginFCF / Revenue
22.0%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
2.12×
1.41×
TTM Free Cash FlowTrailing 4 quarters
$18.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DMLP
DMLP
OPRX
OPRX
Q4 25
$34.3M
$7.1M
Q3 25
$34.3M
$3.2M
Q2 25
$30.5M
$4.6M
Q1 25
$33.4M
$3.9M
Q4 24
$31.5M
$198.0K
Q3 24
$43.7M
$1.8M
Q2 24
$29.4M
$782.0K
Q1 24
$28.0M
$2.1M
Free Cash Flow
DMLP
DMLP
OPRX
OPRX
Q4 25
$7.1M
Q3 25
$3.2M
Q2 25
$4.6M
Q1 25
$3.8M
Q4 24
$181.0K
Q3 24
$1.8M
Q2 24
$737.0K
Q1 24
$2.1M
FCF Margin
DMLP
DMLP
OPRX
OPRX
Q4 25
22.0%
Q3 25
12.2%
Q2 25
15.6%
Q1 25
17.5%
Q4 24
0.6%
Q3 24
8.3%
Q2 24
3.9%
Q1 24
10.6%
Capex Intensity
DMLP
DMLP
OPRX
OPRX
Q4 25
0.0%
Q3 25
0.0%
Q2 25
0.0%
Q1 25
0.1%
Q4 24
0.1%
Q3 24
0.1%
Q2 24
0.2%
Q1 24
0.2%
Cash Conversion
DMLP
DMLP
OPRX
OPRX
Q4 25
2.12×
1.41×
Q3 25
3.07×
4.11×
Q2 25
2.47×
2.98×
Q1 25
1.89×
Q4 24
2.21×
Q3 24
1.20×
Q2 24
1.25×
Q1 24
1.54×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DMLP
DMLP

Royalties$34.0M81%
Other$7.8M19%

OPRX
OPRX

Segment breakdown not available.

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