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Side-by-side financial comparison of Apellis Pharmaceuticals, Inc. (APLS) and Blue Bird Corp (BLBD). Click either name above to swap in a different company.

Blue Bird Corp is the larger business by last-quarter revenue ($333.1M vs $199.9M, roughly 1.7× Apellis Pharmaceuticals, Inc.). Blue Bird Corp runs the higher net margin — 9.2% vs -29.5%, a 38.7% gap on every dollar of revenue. On growth, Blue Bird Corp posted the faster year-over-year revenue change (6.1% vs -5.9%). Blue Bird Corp produced more free cash flow last quarter ($31.1M vs $-14.3M). Over the past eight quarters, Apellis Pharmaceuticals, Inc.'s revenue compounded faster (7.7% CAGR vs -1.9%).

Apellis Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing targeted therapies that modulate the complement system to address serious unmet medical needs. Its core products target ophthalmic conditions like geographic atrophy secondary to age-related macular degeneration, as well as rare hematological and autoimmune disorders, with primary operations in the United States and European markets.

The Blue Bird Corporation is an American bus manufacturer. Headquartered in Fort Valley, Georgia, the company was best known for its production of school buses. The company has also manufactured a wide variety of other bus types, including transit buses, motorhomes, and specialty vehicles such as mobile libraries and mobile police command centers.

APLS vs BLBD — Head-to-Head

Bigger by revenue
BLBD
BLBD
1.7× larger
BLBD
$333.1M
$199.9M
APLS
Growing faster (revenue YoY)
BLBD
BLBD
+12.1% gap
BLBD
6.1%
-5.9%
APLS
Higher net margin
BLBD
BLBD
38.7% more per $
BLBD
9.2%
-29.5%
APLS
More free cash flow
BLBD
BLBD
$45.4M more FCF
BLBD
$31.1M
$-14.3M
APLS
Faster 2-yr revenue CAGR
APLS
APLS
Annualised
APLS
7.7%
-1.9%
BLBD

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
APLS
APLS
BLBD
BLBD
Revenue
$199.9M
$333.1M
Net Profit
$-59.0M
$30.8M
Gross Margin
21.4%
Operating Margin
-25.6%
11.3%
Net Margin
-29.5%
9.2%
Revenue YoY
-5.9%
6.1%
Net Profit YoY
-62.2%
7.1%
EPS (diluted)
$-0.40
$0.94

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
APLS
APLS
BLBD
BLBD
Q4 25
$199.9M
$333.1M
Q3 25
$458.6M
$409.4M
Q2 25
$178.5M
$398.0M
Q1 25
$166.8M
$358.9M
Q4 24
$212.5M
$313.9M
Q3 24
$196.8M
$350.2M
Q2 24
$199.7M
$333.4M
Q1 24
$172.3M
$345.9M
Net Profit
APLS
APLS
BLBD
BLBD
Q4 25
$-59.0M
$30.8M
Q3 25
$215.7M
$36.5M
Q2 25
$-42.2M
$36.5M
Q1 25
$-92.2M
$26.0M
Q4 24
$-36.4M
$28.7M
Q3 24
$-57.4M
$24.7M
Q2 24
$-37.7M
$28.7M
Q1 24
$-66.4M
$26.0M
Gross Margin
APLS
APLS
BLBD
BLBD
Q4 25
21.4%
Q3 25
21.1%
Q2 25
21.6%
Q1 25
19.7%
Q4 24
19.2%
Q3 24
17.0%
Q2 24
20.8%
Q1 24
18.4%
Operating Margin
APLS
APLS
BLBD
BLBD
Q4 25
-25.6%
11.3%
Q3 25
48.7%
12.3%
Q2 25
-18.6%
12.6%
Q1 25
-50.0%
9.4%
Q4 24
-12.3%
10.5%
Q3 24
-24.0%
7.3%
Q2 24
-14.7%
11.9%
Q1 24
-36.0%
10.4%
Net Margin
APLS
APLS
BLBD
BLBD
Q4 25
-29.5%
9.2%
Q3 25
47.0%
8.9%
Q2 25
-23.6%
9.2%
Q1 25
-55.3%
7.3%
Q4 24
-17.1%
9.2%
Q3 24
-29.2%
7.0%
Q2 24
-18.9%
8.6%
Q1 24
-38.5%
7.5%
EPS (diluted)
APLS
APLS
BLBD
BLBD
Q4 25
$-0.40
$0.94
Q3 25
$1.67
$1.11
Q2 25
$-0.33
$1.12
Q1 25
$-0.74
$0.79
Q4 24
$-0.30
$0.86
Q3 24
$-0.46
$0.71
Q2 24
$-0.30
$0.85
Q1 24
$-0.54
$0.79

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
BLBD
BLBD
Cash + ST InvestmentsLiquidity on hand
$466.2M
$241.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$370.1M
$271.4M
Total Assets
$1.1B
$642.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
BLBD
BLBD
Q4 25
$466.2M
$241.7M
Q3 25
$479.2M
$229.3M
Q2 25
$370.0M
$173.1M
Q1 25
$358.4M
$130.7M
Q4 24
$411.3M
$136.1M
Q3 24
$396.9M
$127.7M
Q2 24
$360.1M
$88.4M
Q1 24
$325.9M
$93.1M
Total Debt
APLS
APLS
BLBD
BLBD
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
$93.1M
Stockholders' Equity
APLS
APLS
BLBD
BLBD
Q4 25
$370.1M
$271.4M
Q3 25
$401.2M
$255.4M
Q2 25
$156.3M
$221.8M
Q1 25
$164.2M
$190.4M
Q4 24
$228.5M
$179.7M
Q3 24
$237.1M
$159.6M
Q2 24
$264.3M
$137.3M
Q1 24
$266.7M
$105.8M
Total Assets
APLS
APLS
BLBD
BLBD
Q4 25
$1.1B
$642.3M
Q3 25
$1.1B
$625.3M
Q2 25
$821.4M
$575.5M
Q1 25
$807.3M
$543.7M
Q4 24
$885.1M
$535.2M
Q3 24
$901.9M
$524.9M
Q2 24
$904.5M
$468.1M
Q1 24
$831.9M
$456.5M
Debt / Equity
APLS
APLS
BLBD
BLBD
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
0.35×

Cash Flow & Capital Efficiency

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

Metric
APLS
APLS
BLBD
BLBD
Operating Cash FlowLast quarter
$-14.2M
$36.6M
Free Cash FlowOCF − Capex
$-14.3M
$31.1M
FCF MarginFCF / Revenue
-7.1%
9.3%
Capex IntensityCapex / Revenue
0.1%
1.6%
Cash ConversionOCF / Net Profit
1.19×
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$162.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
BLBD
BLBD
Q4 25
$-14.2M
$36.6M
Q3 25
$108.5M
$65.1M
Q2 25
$4.4M
$56.9M
Q1 25
$-53.4M
$27.8M
Q4 24
$19.4M
$26.4M
Q3 24
$34.1M
$55.4M
Q2 24
$-8.3M
$989.0K
Q1 24
$-133.0M
$54.6M
Free Cash Flow
APLS
APLS
BLBD
BLBD
Q4 25
$-14.3M
$31.1M
Q3 25
$108.3M
$60.5M
Q2 25
$4.4M
$52.3M
Q1 25
$-53.4M
$18.7M
Q4 24
$19.3M
$21.8M
Q3 24
$50.2M
Q2 24
$-8.4M
$-3.5M
Q1 24
$-133.3M
$51.8M
FCF Margin
APLS
APLS
BLBD
BLBD
Q4 25
-7.1%
9.3%
Q3 25
23.6%
14.8%
Q2 25
2.5%
13.1%
Q1 25
-32.0%
5.2%
Q4 24
9.1%
7.0%
Q3 24
14.3%
Q2 24
-4.2%
-1.1%
Q1 24
-77.3%
15.0%
Capex Intensity
APLS
APLS
BLBD
BLBD
Q4 25
0.1%
1.6%
Q3 25
0.0%
1.1%
Q2 25
0.0%
1.2%
Q1 25
0.0%
2.5%
Q4 24
0.0%
1.5%
Q3 24
0.0%
1.5%
Q2 24
0.0%
1.3%
Q1 24
0.2%
0.8%
Cash Conversion
APLS
APLS
BLBD
BLBD
Q4 25
1.19×
Q3 25
0.50×
1.78×
Q2 25
1.56×
Q1 25
1.07×
Q4 24
0.92×
Q3 24
2.24×
Q2 24
0.03×
Q1 24
2.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

APLS
APLS

Syfovre$155.2M78%
Empaveli Pegcetacoplan$35.1M18%
Licensing And Other Revenue$9.6M5%

BLBD
BLBD

Alternative Fuel Buses$151.4M45%
Diesel Buses$144.9M43%
Parts$24.8M7%
Other$12.1M4%

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