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Zymeworks shares hit 52-week high as $929 mln Theravance deal announced

Zymeworks surged to a 52-week high of $29.75 after agreeing to acquire Theravance Biopharma for $17 per share in cash, valuing the deal at $929 million. The stock has gained nearly 98% over the past year.

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Priya Anand · Equities & Earnings Desk · 29 Aug 2026 · 16:27 · 1 min read
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Zymeworks shares hit 52-week high as $929 mln Theravance deal announced

Zymeworks Inc. shares reached a 52-week high of $29.75 on Tuesday, extending gains after the biotech company agreed to acquire Theravance Biopharma Inc. in a cash deal valued at approximately $929 million.

The transaction, announced late Monday, values Theravance at $17 per share in cash, representing a premium to its recent trading levels. Zymeworks also disclosed a contingent value right tied to potential future monetization of ampreloxetine, granting an 80% share to Theravance shareholders while Zymeworks retains 20% of proceeds over a ten-year period.

The acquisition adds YUPELRI, a chronic obstructive pulmonary disease treatment, to Zymeworks' portfolio. Shares of Zymeworks have climbed 10.36% over the past week and 97.46% over the past year, reflecting investor optimism surrounding the deal and the company's pipeline.

Analysts have maintained a bullish stance on Zymeworks following the announcement. B. Riley reiterated a Buy rating with a $40 price target, Stifel maintained a Buy with a $47 target, and H.C. Wainwright kept its Buy rating and $46 target after reviewing new clinical data for Zymeworks' ZW191 presented at a medical conference. BTIG, however, downgraded Theravance from Buy to Neutral.

This article was produced with AI assistance and edited by a Finance Review Daily journalist.
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Written by
Priya Anand
Equities & Earnings Desk

Priya covers listed equities and corporate earnings, reading quarterly results and guidance for what they signal about sector health and forward valuations.

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