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Side-by-side financial comparison of Cytek Biosciences, Inc. (CTKB) and OptimizeRx Corp (OPRX). Click either name above to swap in a different company.

Cytek Biosciences, Inc. is the larger business by last-quarter revenue ($62.1M vs $32.2M, roughly 1.9× OptimizeRx Corp). OptimizeRx Corp runs the higher net margin — 15.6% vs -70.9%, a 86.5% gap on every dollar of revenue. On growth, Cytek Biosciences, Inc. posted the faster year-over-year revenue change (8.1% vs -0.2%). OptimizeRx Corp produced more free cash flow last quarter ($7.1M vs $-1.8M). Over the past eight quarters, OptimizeRx Corp's revenue compounded faster (28.0% CAGR vs 17.7%).

Cytek Biosciences, Inc. develops, manufactures and sells high-performance flow cytometry systems, associated reagents and analysis software. Its solutions serve life science research, clinical diagnostics and biopharmaceutical sectors, with a global customer base across North America, Europe and the Asia-Pacific region.

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.

CTKB vs OPRX — Head-to-Head

Bigger by revenue
CTKB
CTKB
1.9× larger
CTKB
$62.1M
$32.2M
OPRX
Growing faster (revenue YoY)
CTKB
CTKB
+8.4% gap
CTKB
8.1%
-0.2%
OPRX
Higher net margin
OPRX
OPRX
86.5% more per $
OPRX
15.6%
-70.9%
CTKB
More free cash flow
OPRX
OPRX
$8.8M more FCF
OPRX
$7.1M
$-1.8M
CTKB
Faster 2-yr revenue CAGR
OPRX
OPRX
Annualised
OPRX
28.0%
17.7%
CTKB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTKB
CTKB
OPRX
OPRX
Revenue
$62.1M
$32.2M
Net Profit
$-44.1M
$5.0M
Gross Margin
52.9%
74.8%
Operating Margin
-9.0%
26.6%
Net Margin
-70.9%
15.6%
Revenue YoY
8.1%
-0.2%
Net Profit YoY
-557.1%
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
CTKB
CTKB
OPRX
OPRX
Q4 25
$62.1M
$32.2M
Q3 25
$52.3M
$26.1M
Q2 25
$45.6M
$29.2M
Q1 25
$41.5M
$21.9M
Q4 24
$57.5M
$32.3M
Q3 24
$51.5M
$21.3M
Q2 24
$46.6M
$18.8M
Q1 24
$44.9M
$19.7M
Net Profit
CTKB
CTKB
OPRX
OPRX
Q4 25
$-44.1M
$5.0M
Q3 25
$-5.5M
$779.0K
Q2 25
$-5.6M
$1.5M
Q1 25
$-11.4M
$-2.2M
Q4 24
$9.6M
$-78.0K
Q3 24
$941.0K
$-9.1M
Q2 24
$-10.4M
$-4.0M
Q1 24
$-6.2M
$-6.9M
Gross Margin
CTKB
CTKB
OPRX
OPRX
Q4 25
52.9%
74.8%
Q3 25
52.7%
67.2%
Q2 25
52.3%
63.8%
Q1 25
48.6%
60.9%
Q4 24
58.5%
68.1%
Q3 24
56.3%
63.1%
Q2 24
54.6%
62.2%
Q1 24
51.3%
62.0%
Operating Margin
CTKB
CTKB
OPRX
OPRX
Q4 25
-9.0%
26.6%
Q3 25
-17.6%
7.9%
Q2 25
-23.3%
10.9%
Q1 25
-36.1%
-9.6%
Q4 24
5.2%
11.2%
Q3 24
-8.2%
-40.2%
Q2 24
-18.3%
-19.9%
Q1 24
-23.9%
-25.5%
Net Margin
CTKB
CTKB
OPRX
OPRX
Q4 25
-70.9%
15.6%
Q3 25
-10.5%
3.0%
Q2 25
-12.2%
5.2%
Q1 25
-27.5%
-10.0%
Q4 24
16.8%
-0.2%
Q3 24
1.8%
-42.8%
Q2 24
-22.4%
-21.3%
Q1 24
-13.8%
-35.0%
EPS (diluted)
CTKB
CTKB
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
CTKB
CTKB
OPRX
OPRX
Cash + ST InvestmentsLiquidity on hand
$90.9M
$23.4M
Total DebtLower is stronger
$26.3M
Stockholders' EquityBook value
$341.7M
$128.3M
Total Assets
$461.5M
$176.9M
Debt / EquityLower = less leverage
0.20×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTKB
CTKB
OPRX
OPRX
Q4 25
$90.9M
$23.4M
Q3 25
$93.3M
$19.5M
Q2 25
$75.5M
$16.6M
Q1 25
$95.3M
$16.6M
Q4 24
$98.7M
$13.4M
Q3 24
$162.3M
$16.1M
Q2 24
$177.9M
Q1 24
$168.8M
Total Debt
CTKB
CTKB
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
CTKB
CTKB
OPRX
OPRX
Q4 25
$341.7M
$128.3M
Q3 25
$378.6M
$122.3M
Q2 25
$377.6M
$119.3M
Q1 25
$379.6M
$116.3M
Q4 24
$395.7M
$117.0M
Q3 24
$385.5M
$114.5M
Q2 24
$389.1M
$121.0M
Q1 24
$392.6M
$122.5M
Total Assets
CTKB
CTKB
OPRX
OPRX
Q4 25
$461.5M
$176.9M
Q3 25
$494.9M
$170.3M
Q2 25
$493.3M
$169.3M
Q1 25
$482.6M
$167.8M
Q4 24
$499.5M
$171.2M
Q3 24
$491.2M
$165.2M
Q2 24
$483.7M
$172.9M
Q1 24
$492.1M
$176.4M
Debt / Equity
CTKB
CTKB
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
CTKB
CTKB
OPRX
OPRX
Operating Cash FlowLast quarter
$-771.0K
$7.1M
Free Cash FlowOCF − Capex
$-1.8M
$7.1M
FCF MarginFCF / Revenue
-2.9%
22.0%
Capex IntensityCapex / Revenue
1.6%
0.0%
Cash ConversionOCF / Net Profit
1.41×
TTM Free Cash FlowTrailing 4 quarters
$-8.8M
$18.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTKB
CTKB
OPRX
OPRX
Q4 25
$-771.0K
$7.1M
Q3 25
$-3.9M
$3.2M
Q2 25
$108.0K
$4.6M
Q1 25
$-125.0K
$3.9M
Q4 24
$2.0M
$198.0K
Q3 24
$13.2M
$1.8M
Q2 24
$6.2M
$782.0K
Q1 24
$4.0M
$2.1M
Free Cash Flow
CTKB
CTKB
OPRX
OPRX
Q4 25
$-1.8M
$7.1M
Q3 25
$-4.6M
$3.2M
Q2 25
$-1.5M
$4.6M
Q1 25
$-974.0K
$3.8M
Q4 24
$1.1M
$181.0K
Q3 24
$12.2M
$1.8M
Q2 24
$5.2M
$737.0K
Q1 24
$3.4M
$2.1M
FCF Margin
CTKB
CTKB
OPRX
OPRX
Q4 25
-2.9%
22.0%
Q3 25
-8.7%
12.2%
Q2 25
-3.2%
15.6%
Q1 25
-2.3%
17.5%
Q4 24
1.9%
0.6%
Q3 24
23.7%
8.3%
Q2 24
11.0%
3.9%
Q1 24
7.6%
10.6%
Capex Intensity
CTKB
CTKB
OPRX
OPRX
Q4 25
1.6%
0.0%
Q3 25
1.3%
0.0%
Q2 25
3.5%
0.0%
Q1 25
2.0%
0.1%
Q4 24
1.6%
0.1%
Q3 24
2.0%
0.1%
Q2 24
2.3%
0.2%
Q1 24
1.3%
0.2%
Cash Conversion
CTKB
CTKB
OPRX
OPRX
Q4 25
1.41×
Q3 25
4.11×
Q2 25
2.98×
Q1 25
Q4 24
0.21×
Q3 24
14.05×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CTKB
CTKB

Products$46.6M75%
Services$15.5M25%

OPRX
OPRX

Segment breakdown not available.

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