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Side-by-side financial comparison of Nurix Therapeutics, Inc. (NRIX) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.

Nurix Therapeutics, Inc. is the larger business by last-quarter revenue ($13.6M vs $12.6M, roughly 1.1× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -576.1%, a 826.8% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 2.2%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -9.5%).

Nurix Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on discovering, developing and commercializing novel targeted protein degradation therapies for cancer, immune disorders and other serious unmet medical needs. Its core pipeline leverages proprietary E3 ubiquitin ligase modulation technology, with operations primarily based in the United States and collaborative partnerships with global pharmaceutical firms.

NRIX vs SPRO — Head-to-Head

Bigger by revenue
NRIX
NRIX
1.1× larger
NRIX
$13.6M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24078.6% gap
SPRO
24080.8%
2.2%
NRIX
Higher net margin
SPRO
SPRO
826.8% more per $
SPRO
250.7%
-576.1%
NRIX
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
-9.5%
NRIX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NRIX
NRIX
SPRO
SPRO
Revenue
$13.6M
$12.6M
Net Profit
$-78.2M
$31.5M
Gross Margin
Operating Margin
-612.0%
Net Margin
-576.1%
250.7%
Revenue YoY
2.2%
24080.8%
Net Profit YoY
-33.6%
250.9%
EPS (diluted)
$-0.83
$0.56

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
NRIX
NRIX
SPRO
SPRO
Q4 25
$13.6M
$12.6M
Q3 25
$7.9M
$0
Q2 25
$44.1M
$0
Q1 25
$18.5M
$12.0K
Q4 24
$13.3M
$52.0K
Q3 24
$12.6M
$65.0K
Q2 24
$12.1M
$114.0K
Q1 24
$16.6M
$140.0K
Net Profit
NRIX
NRIX
SPRO
SPRO
Q4 25
$-78.2M
$31.5M
Q3 25
$-86.4M
$-7.4M
Q2 25
$-43.5M
$-1.7M
Q1 25
$-56.4M
$-13.9M
Q4 24
$-58.5M
Q3 24
$-49.0M
$-17.1M
Q2 24
$-44.5M
$-17.9M
Q1 24
$-41.5M
$-12.7M
Operating Margin
NRIX
NRIX
SPRO
SPRO
Q4 25
-612.0%
Q3 25
-1157.7%
Q2 25
-109.7%
Q1 25
-340.7%
-122758.3%
Q4 24
-486.7%
Q3 24
-433.8%
-28604.6%
Q2 24
-401.4%
-16720.2%
Q1 24
-272.6%
-9987.1%
Net Margin
NRIX
NRIX
SPRO
SPRO
Q4 25
-576.1%
250.7%
Q3 25
-1094.8%
Q2 25
-98.7%
Q1 25
-305.4%
-115550.0%
Q4 24
-440.7%
Q3 24
-388.9%
-26380.0%
Q2 24
-368.4%
-15668.4%
Q1 24
-250.3%
-9049.3%
EPS (diluted)
NRIX
NRIX
SPRO
SPRO
Q4 25
$-0.83
$0.56
Q3 25
$-1.03
$-0.13
Q2 25
$-0.52
$-0.03
Q1 25
$-0.67
$-0.25
Q4 24
$-0.74
Q3 24
$-0.67
$-0.32
Q2 24
$-0.71
$-0.33
Q1 24
$-0.76
$-0.24

Balance Sheet & Financial Strength

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

Metric
NRIX
NRIX
SPRO
SPRO
Cash + ST InvestmentsLiquidity on hand
$247.0M
$40.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$538.7M
$59.0M
Total Assets
$688.1M
$68.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NRIX
NRIX
SPRO
SPRO
Q4 25
$247.0M
$40.3M
Q3 25
$78.4M
$48.6M
Q2 25
$84.3M
$31.2M
Q1 25
$75.9M
$48.9M
Q4 24
$110.0M
$52.9M
Q3 24
$99.0M
$76.3M
Q2 24
$116.8M
$63.5M
Q1 24
$49.8M
$82.3M
Stockholders' Equity
NRIX
NRIX
SPRO
SPRO
Q4 25
$538.7M
$59.0M
Q3 25
$372.3M
$26.5M
Q2 25
$447.6M
$32.8M
Q1 25
$480.9M
$33.8M
Q4 24
$527.0M
$46.1M
Q3 24
$376.9M
$65.5M
Q2 24
$370.7M
$80.5M
Q1 24
$168.7M
$96.2M
Total Assets
NRIX
NRIX
SPRO
SPRO
Q4 25
$688.1M
$68.9M
Q3 25
$522.5M
$54.2M
Q2 25
$591.6M
$62.1M
Q1 25
$615.0M
$77.7M
Q4 24
$669.3M
$110.5M
Q3 24
$513.6M
$135.2M
Q2 24
$511.0M
$149.9M
Q1 24
$312.7M
$167.7M

Cash Flow & Capital Efficiency

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

Metric
NRIX
NRIX
SPRO
SPRO
Operating Cash FlowLast quarter
$-67.8M
$-8.4M
Free Cash FlowOCF − Capex
$-73.0M
FCF MarginFCF / Revenue
-537.4%
Capex IntensityCapex / Revenue
37.8%
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters
$-263.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NRIX
NRIX
SPRO
SPRO
Q4 25
$-67.8M
$-8.4M
Q3 25
$-57.4M
$17.4M
Q2 25
$-63.2M
$-17.7M
Q1 25
$-61.1M
$-4.0M
Q4 24
$-48.8M
$-23.4M
Q3 24
$-42.2M
$12.8M
Q2 24
$-39.7M
$-18.7M
Q1 24
$-42.0M
$5.9M
Free Cash Flow
NRIX
NRIX
SPRO
SPRO
Q4 25
$-73.0M
Q3 25
$-60.1M
Q2 25
$-65.8M
Q1 25
$-64.6M
Q4 24
$-50.9M
Q3 24
$-44.5M
Q2 24
$-41.6M
Q1 24
$-44.8M
FCF Margin
NRIX
NRIX
SPRO
SPRO
Q4 25
-537.4%
Q3 25
-761.3%
Q2 25
-149.4%
Q1 25
-349.9%
Q4 24
-382.8%
Q3 24
-353.7%
Q2 24
-344.4%
Q1 24
-270.3%
Capex Intensity
NRIX
NRIX
SPRO
SPRO
Q4 25
37.8%
Q3 25
34.3%
Q2 25
6.1%
Q1 25
18.9%
Q4 24
15.8%
Q3 24
18.6%
Q2 24
16.0%
Q1 24
17.4%
Cash Conversion
NRIX
NRIX
SPRO
SPRO
Q4 25
-0.26×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

NRIX
NRIX

Pfizer$11.9M88%
Gilead Agreement$1.7M13%

SPRO
SPRO

Segment breakdown not available.

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