AB Science S.A. (AB.PA) Valuation

Valuation

Model-based estimates, not advice. The DCF is the discounted-cash-flow value per share; compare it with the price, not as a target.

DCF fair value

-113.1%

-€0.07

vs €0.54 price

Levered DCF

-€0.05

After debt service

Piotroski score

4 / 9

Average

Altman Z-score

-1.17

Distress zone

Rating

Overall 2 / 5

Ratios by fiscal year

Margins and yields are shares of revenue, equity or price; multiples are ×.

Metric	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018
P/E	-60.63×	-5.88×	-15.33×	-24.45×	-40×	-57.82×	-9.78×	-5.03×
P/B	-5.48×	-1.94×	-8.7×	-9.37×	-24.58×	-44.48×	-7.9×	-8.76×
P/S	80.33×	42.95×	188.42×	348.87×	354.85×	549.26×	134.92×	77.02×
EV / EBITDA	-72.6×	-11.5×	-17.55×	-26.17×	-32.83×	-50.22×	-9.98×	-4.71×
Gross margin	61.3%	116.4%	60.5%	96.8%	93.1%	95.6%	88.5%	85.4%
Operating margin	-103.7%	-567.4%	-1384.4%	-1663.7%	-859.2%	-931.7%	-1112.3%	-1701.6%
Net margin	-132.6%	-730.5%	-1035.9%	-1421.2%	-900.0%	-950.4%	-1384.3%	-1532.1%
Current ratio	0.96×	0.71×	1.04×	0.9×	1.04×	1.17×	0.72×	1.08×
Debt / equity	-0.25×	-0.78×	-0.91×	-0.67×	-0.36×	-0.36×	-0.08×	-0×
Interest coverage	-0.86×	-4.95×	-3.39×	-4.68×	-246.57×	-93.94×	-1,027.88×	0×
Dividend yield	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
Payout ratio	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%

Key metrics by fiscal year

Metric	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018
Return on equity	9.1%	33.0%	47.8%	38.2%	62.3%	77.0%	81.1%	174.2%
Return on invested capital	-5.5%	-64.2%	-126.1%	-293.8%	-312.5%	-124.7%	1208.4%	-877.9%
Return on assets	-6.3%	-33.8%	-39.4%	-57.1%	-68.0%	-50.7%	-122.6%	-115.9%
Free cash flow yield	-4.8%	0.8%	-9.4%	-5.4%	-3.1%	-1.6%	-7.3%	-20.8%
Earnings yield	-1.7%	-17.0%	-5.5%	-4.1%	-2.5%	-1.7%	-10.3%	-19.9%
Enterprise value	€88.4M	€56.5M	€195.8M	€350.9M	€569.9M	€855.9M	€208.3M	€119.5M
Net debt / EBITDA	4.88×	-2.13×	-1.17×	-1.24×	0.02×	0.8×	0.18×	0.45×
Cash conversion cycle (days)	-6,271	12,337	-10,145	-138,581	-35,020	-69,693	-29,791	-21,854