NKTRNektar Therapeutics

$37.21-32% 1Y

Is the business good?

Mixed

The checks split: margins widening, but 2 of 9 health tests passed.

1 good, 1 to watch, 2 without data
Fundamental health (F-score)2 / 9SEC EDGAR · Dec 31, 2025

Weak, deteriorating fundamentals. Nine pass/fail tests of year-over-year health from the filings.

Margin direction, 3 years+41.4 ptsderived

Operating margin has widened over the past few years, the business is getting more profitable per dollar of sales.

Where this answer is blind. The F-score rewards improvement, so an already-elite company can score mid-pack.

How good a business is NKTR?

Nektar Therapeutics earns −51% on the capital it employs against a 9.0% cost of capital, so growth costs more than it returns.

−51%

Return on invested capital · cost of capital 9.0% · 60 points below what the capital costs: growth destroys value

Operating margin
−258%

Operating margin · Biotechnology median −82% · 12 months to Q2 2026

Share count, year on year
+135%

Share count, year on year · shareholders own a smaller slice than a year ago

Operating margin by fiscal year
YearOperating margin
FY2020−278%
FY2021−438%
FY2022−409%
FY2023−293%
FY2024−107%
FY2025−254%
Details›
Operating margin12 months to Q2 2026
−258%
Net margin12 months to Q2 2026
−288%
Free cash flow margin
−429%
R&D as % of revenue
241%
Revenue, trailing twelve months
$55M
Free cash flow, trailing twelve months
−$234M
Net income, trailing twelve months
−$157M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
−51%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion is operating cash flow over operating profit after tax.

Customers and suppliers

Who buys from NKTR and who it buys from, as the companies report it.

45%of revenue comes from Takeda (Baxalta), the largest of 3 disclosed customers
Customerswho buys
Supplierswho it buys from

None disclosed.

A company has to disclose every customer behind 10% or more of its revenue. Each share comes from the latest annual report of the company that states it and shows on both companies’ pages; NKTR’s own figures are from its FY2025 10-K. Smaller customers and suppliers go unreported.

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