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By Intermission· 2,225 words

ResearchEvidenceQuestion

Why has AT&S Austria Technologie & Systemtechnik increased in price so much in the past year?

Evidence(7)

  1. Starting share price: €22

    [1]

    AT&S closed at €22 in Vienna, the matched starting point for the one-year price comparison.

    1

    The later rally is measured against this exchange close, not the rejected September 25 price.

  2. Annual results show improving cash generation

    [18]

    AT&S reported FY2025/26 revenue of €1.791 billion and operating cash flow of €413.7 million, versus negative €74.5 million the preceding year.

  3. AMD-linked Kulim expansion and guidance upgrade

    [3][10]

    AT&S announced key terms with AMD and another technology customer for additional AI and high-performance-computing substrate capacity. It raised its FY2026/27 currency-adjusted revenue-growth outlook to 45–55% and EBITDA-margin outlook to 32–37%.

  4. €400 million hybrid financing placed

    [19]

    AT&S announced placement of a €400 million deeply subordinated perpetual convertible bond.

  5. Quarterly results substantiate the substrate recovery

    [14]

    AT&S reported April–June 2026 revenue of €548.7 million and EBITDA of €165 million. Microelectronics external revenue rose €162.7 million from a year earlier, more than the group’s €149.8 million increase.

  6. Marvell identified as the second expansion customer

    [4][2]

    AT&S and Marvell announced an expanded advanced-substrate collaboration for AI infrastructure. AT&S shares rose 10.4% that session.

  7. Shares close at €203.50

    [1][2]

    The last Vienna close before the September 27 note was €203.50, up 825% from the matched September 2025 close.

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