ATOSS stock gains within SDAX as investors watch recent growth figures

Published on 09/19/2026 at 14:11 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

ATOSS stock was among the strongest SDAX names on September 18, 2026, with the share price around 94.30 EUR and a daily gain above 3 percent. Recent half-year figures show double-digit revenue growth and rising margins, keeping the software group on investor radar.

Modernes Münchner Softwarebüro mit Workforce-Management-Bildschirmen und Stadtpanorama — ATOSS Software AG zeigt modernes Münchner Büro mit digitalen Workforce-Management-Dashboards, ISIN DE0005104400, Illustration mit AI erstellt.

ATOSS Software AG stock (ISIN DE0005104400) stood out in German small caps on September 18, 2026, when the shares traded around 94.30 EUR on Xetra with a gain of roughly 3.2 percent compared with the prior close, making the stock one of the top performers in the SDAX index that day according to finanzen.ch.

Stock strengthens in SDAX and TecDAX context

As finanzen.ch reported on September 18, 2026, ATOSS Software ranked among the strongest SDAX constituents with the share price at 94.30 EUR, up 3.17 percent on Xetra, at a time when the overall index presented itself slightly weaker.

In the technology-heavy TecDAX, ATOSS also appeared near the top of the leaderboard on September 18, 2026, with the stock quoted at 92.90 EUR and a daily gain of 1.64 percent, again highlighted by finanzen.ch.

Recent financial performance underpins valuation

According to the company’s half-year reporting for the period ended June 30, 2026, presented on its investor relations pages at ATOSS Software, the software specialist continued to grow revenue and earnings, providing fundamental support for the stock’s recent strength.

In the first half of 2026 (fiscal year 2026), ATOSS generated revenue clearly above the prior-year level, with double-digit growth compared with the same period of 2025, while operating margins improved further, reflecting scalable subscription and license income as documented in the half-year figures on June 30, 2026, on ATOSS Software.

Stock level and investor perspective

Based on Xetra data around the close on September 18, 2026, ATOSS Software shares traded near 94.30 EUR, with the move placing the stock among the day’s top gainers in both SDAX and TecDAX, while investors increasingly focus on the group’s rising margins and continued revenue growth as evidenced by its half-year 2026 report.