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Side-by-side financial comparison of Prime Medicine, Inc. (PRME) and Spyre Therapeutics, Inc. (SYRE). Click either name above to swap in a different company.

Prime Medicine, Inc. is an American biotechnology company developing gene therapies based on prime editing. The company is headquartered in Cambridge, Massachusetts.

Spyre Therapeutics, Inc. is a clinical-stage biotechnology company focused on discovering and developing targeted next-generation therapies for patients with rare, serious autoimmune and inflammatory diseases. It advances pipeline candidates through preclinical and early clinical stages to address unmet medical needs for global patient populations.

PRME vs SYRE — Head-to-Head

Bigger by revenue
PRME
PRME
Infinity× larger
PRME
$838.0K
$0
SYRE

Income Statement — Q4 FY2025 vs Q4 FY2024

Metric
PRME
PRME
SYRE
SYRE
Revenue
$838.0K
$0
Net Profit
$-46.1M
Gross Margin
Operating Margin
-5800.5%
Net Margin
-5498.7%
Revenue YoY
-61.6%
Net Profit YoY
-9.0%
EPS (diluted)
$-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
PRME
PRME
SYRE
SYRE
Q4 25
$838.0K
Q3 25
$1.2M
Q2 25
$1.1M
Q1 25
$1.5M
Q4 24
$2.2M
$0
Q3 24
$0
Q2 24
$0
$0
Q1 24
$591.0K
$0
Net Profit
PRME
PRME
SYRE
SYRE
Q4 25
$-46.1M
Q3 25
$-50.6M
Q2 25
$-52.6M
Q1 25
$-51.9M
Q4 24
$-42.3M
Q3 24
$-69.0M
Q2 24
$-55.3M
$-38.8M
Q1 24
$-45.8M
$-43.9M
Operating Margin
PRME
PRME
SYRE
SYRE
Q4 25
-5800.5%
Q3 25
-4406.0%
Q2 25
-4787.2%
Q1 25
-3603.3%
Q4 24
-2025.7%
Q3 24
Q2 24
Q1 24
-8179.5%
Net Margin
PRME
PRME
SYRE
SYRE
Q4 25
-5498.7%
Q3 25
-4129.1%
Q2 25
-4716.7%
Q1 25
-3568.8%
Q4 24
-1936.6%
Q3 24
Q2 24
Q1 24
-7743.0%
EPS (diluted)
PRME
PRME
SYRE
SYRE
Q4 25
$-0.22
Q3 25
$-0.32
Q2 25
$-0.41
Q1 25
$-0.40
Q4 24
$-0.31
Q3 24
$1.06
Q2 24
$-0.46
$0.59
Q1 24
$-0.44
$0.72

Balance Sheet & Financial Strength

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

Metric
PRME
PRME
SYRE
SYRE
Cash + ST InvestmentsLiquidity on hand
$63.0M
$89.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$120.9M
$517.8M
Total Assets
$342.7M
$608.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRME
PRME
SYRE
SYRE
Q4 25
$63.0M
Q3 25
$71.4M
Q2 25
$53.8M
Q1 25
$91.9M
Q4 24
$182.5M
$89.4M
Q3 24
$71.6M
Q2 24
$55.6M
$45.1M
Q1 24
$94.2M
$227.6M
Stockholders' Equity
PRME
PRME
SYRE
SYRE
Q4 25
$120.9M
Q3 25
$161.8M
Q2 25
$60.9M
Q1 25
$106.9M
Q4 24
$153.1M
$517.8M
Q3 24
$327.4M
Q2 24
$196.6M
$374.4M
Q1 24
$243.8M
$152.3M
Total Assets
PRME
PRME
SYRE
SYRE
Q4 25
$342.7M
Q3 25
$385.0M
Q2 25
$279.0M
Q1 25
$328.2M
Q4 24
$297.5M
$608.5M
Q3 24
$421.1M
Q2 24
$259.7M
$436.1M
Q1 24
$311.4M
$487.6M

Cash Flow & Capital Efficiency

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

Metric
PRME
PRME
SYRE
SYRE
Operating Cash FlowLast quarter
$-37.3M
$-37.2M
Free Cash FlowOCF − Capex
$-37.5M
FCF MarginFCF / Revenue
-4480.4%
Capex IntensityCapex / Revenue
34.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-167.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRME
PRME
SYRE
SYRE
Q4 25
$-37.3M
Q3 25
$-35.0M
Q2 25
$-41.4M
Q1 25
$-48.9M
Q4 24
$16.2M
$-37.2M
Q3 24
$-29.4M
Q2 24
$-45.5M
$-62.2M
Q1 24
$-67.7M
$-28.5M
Free Cash Flow
PRME
PRME
SYRE
SYRE
Q4 25
$-37.5M
Q3 25
$-35.3M
Q2 25
$-43.0M
Q1 25
$-51.3M
Q4 24
$14.5M
Q3 24
Q2 24
$-47.4M
Q1 24
$-70.0M
FCF Margin
PRME
PRME
SYRE
SYRE
Q4 25
-4480.4%
Q3 25
-2880.5%
Q2 25
-3855.1%
Q1 25
-3526.8%
Q4 24
662.1%
Q3 24
Q2 24
Q1 24
-11849.6%
Capex Intensity
PRME
PRME
SYRE
SYRE
Q4 25
34.6%
Q3 25
20.2%
Q2 25
141.0%
Q1 25
166.6%
Q4 24
82.0%
Q3 24
Q2 24
Q1 24
393.2%

Financial Flow Comparison

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

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