Prysmian stock slid to €117.85, down almost 2.0%, after the company announced it had signed a definitive agreement to acquire Atkore Inc. at $95.00 per share in cash, a deal that implies an enterprise value near $3.8 billion. The boards of both companies gave unanimous approval to the transaction, which carries a premium of about 30% relative to Atkore's most recent closing price and is targeted to close by year-end 2026.
The share price opened the session at €123.70, suggesting early optimism, but reversed course during the day as investors parsed the financing approach and the broader implications for Prysmian's capital structure. Intraday weakness pushed Prysmian toward day lows of €117.75.
Deal financing and shareholder impact
Market attention centered on how Prysmian will pay for Atkore. The company intends to fund the acquisition with a mix of debt - which will include hybrid instruments - and equity. The equity component will feature a disposal of treasury shares, a mechanism that is dilutive to existing shareholders and which appears to have weighed on the stock.
This transaction represents Prysmian's third significant acquisition in the U.S. in roughly two years, following the Encore Wire and Channell deals. The series of purchases has intensified investor scrutiny of the group's leverage path and its capacity to preserve an investment-grade credit standing.
Near-term earnings visibility
Prysmian had only days earlier raised its guidance for 2026 and reported record Q2 EBITDA results. However, the company stated that its updated 2026 guidance does not include any financial contribution from Atkore, leaving near-term earnings clarity limited until the deal closes and synergies - if any - are realized.
Market context
European equities traded generally firmer on the session, with the pan-European STOXX 600 rising 0.4%, helped by hopes for a U.S.-Iran diplomatic breakthrough and a notable fall in oil prices. In that environment Prysmian's intraday decline was conspicuous: the stock underperformed both its sector peers and the wider Italian market, indicating the move was driven by company-specific transaction dynamics rather than broader macro pressures.
Investor read
Market participants appear to be weighing the strategic logic of Atkore - which aligns with electrification and AI infrastructure investment themes - against immediate financial demands. Investors are pricing in execution risk, dilution, and potential strain on the balance sheet until the company provides clearer detail on synergy delivery and deleveraging plans.
Bottom line
Prysmian's stock trajectory through the session - a gap higher at the open followed by a steady retreat to near-day lows - reflects a mixed market verdict. The acquisition is strategic in nature, but its funding structure and timing have created short-term uncertainty for shareholders while leaving earnings contributions from Atkore outside the company's current guidance.