MNKDMannKind Corporation

$3.29-39% 1Y

Is the business good?

Mixed

The checks split: margins widening, but 3 of 9 health tests passed and profits without cash flow.

1 good, 2 to watch, 1 without data
Fundamental health (F-score)3 / 9SEC EDGAR · Dec 31, 2025

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

Profits arrive as cash-1.11×derived · Jun 30, 2026

Reports an operating profit but operating cash flow is negative, a red flag. Conversion is worsening vs a year ago.

Margin direction, 3 years+22.5 ptsderived

Operating profit is falling even as sales grow, costs are outrunning the top line.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

Leverage (Debt/EBITDA)bottom 4% of the market

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

How good a business is MNKD?

MannKind Corporation earns 5.2% on the capital it employs against a 9.0% cost of capital, so growth costs more than it returns.

5.2%

Return on invested capital · cost of capital 9.0% · 3.8 points below what the capital costs: growth destroys value

Operating margin
2.3%

Operating margin · Biotechnology median −77% · 12 months to Q2 2026

Cash conversion
−1.11×

Cash conversion · 0.56× a year ago · the operating profit has not turned into cash yet

Share count, year on year
−0.74%

Share count, year on year · flat: no meaningful dilution

Operating margin by fiscal year
YearOperating margin
FY2020−74%
FY2021−62%
FY2022−64%
FY20234.4%
FY202425%
FY202511%
Details›
Gross margin12 months to Q2 2026
90%
Operating margin12 months to Q2 2026
2.3%
Net margin12 months to Q2 2026
−11%
Free cash flow margin
−4.6%
R&D as % of revenue
20%
Revenue, trailing twelve months
$394M
Free cash flow, trailing twelve months
−$18M
Net income, trailing twelve months
−$44M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
5.2%

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