What is Amylyx Pharmaceuticals, Inc.'s capex?

Amylyx Pharmaceuticals, Inc. (AMLX) reported capex of $86K in Q4 2025.

How has Amylyx Pharmaceuticals, Inc.'s capex changed year-over-year?

Amylyx Pharmaceuticals, Inc.'s capex increased by 330.0% year-over-year, from $20K to $86K.

What is the long-term trend for Amylyx Pharmaceuticals, Inc.'s capex?

Over 3 years (2021 to 2025), Amylyx Pharmaceuticals, Inc.'s capex has grown at a -26.9% compound annual growth rate (CAGR), from $353K to $138K.

What does capex mean?

Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.

Amylyx Pharmaceuticals, Inc. AMLX CapEx

CapEx at other companies

MBX Biosciences, Inc.MBX

$437K+1,357%

Beam TherapeuticsBEAM

$2.23M-27.2%

Crinetics PharmaceuticalsCRNX

$820K-33.8%

Agios PharmaceuticalsAGIO

$769K+0.4%

Taysha Gene Therapies, Inc.TSHA

$24K-93.7%

Sarepta Therapeutics, Inc.SRPT

$2.08M-95.2%

Other financials

Income statement

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Revenue-—

Gross profit-—

Operating income-$43.8M-15.8%

Net income-$41.3M-15.0%

EPS (diluted)-$0.37+11.9%

Balance sheet

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Cash & equivalents$229.1M+283%

Total debt$5.6M+307%

Total equity$273.2M+35.6%

Total assets$293.6M+33.7%

Cash flow

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Operating cash flow-$36.9M+7.4%

Free cash flow-$28.0M+52.6%

Valuation

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Market cap$1.82B+390%

Enterprise value$1.6B+414%

Profitability

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Gross margin100%+6.9pp

Operating margin-47,349.8%-47,409pp

Net margin-45,096.2%-45,152pp

FCF margin-39,826.7%-39,847pp

Returns & leverage

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Return on equity-63.3%-12.2pp

Debt / equity0×0.0×

Current ratio17.9×+5.8×

Where this comes from

Reported directly by Amylyx Pharmaceuticals, Inc. in its filing.

Tagged under the XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

The official record: Amylyx Pharmaceuticals, Inc.’s 10-K, filed March 3, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Amylyx Pharmaceuticals, Inc.'s capex?: Amylyx Pharmaceuticals, Inc. (AMLX) reported capex of $86K in Q4 2025.
How has Amylyx Pharmaceuticals, Inc.'s capex changed year-over-year?: Amylyx Pharmaceuticals, Inc.'s capex increased by 330.0% year-over-year, from $20K to $86K.
What is the long-term trend for Amylyx Pharmaceuticals, Inc.'s capex?: Over 3 years (2021 to 2025), Amylyx Pharmaceuticals, Inc.'s capex has grown at a -26.9% compound annual growth rate (CAGR), from $353K to $138K.
What does capex mean?: Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.