** U.S.-listed shares of Centessa Pharmaceuticals CNTA.O down 3.8% at $21.68 post-market as co looks to raise equity

** U.K.-based sleep disorder therapy developer commences offering of American depositary shares (ADSs); deal size not disclosed

** Jefferies, Leerink, Evercore and Guggenheim joint bookrunners

** CNTA has ~134.4 mln shares outstanding for $3 bln market cap

** Shares on Tues finished up 0.9% at $22.54, up 35% YTD

** All 15 analysts covering CNTA are bullish with median PT of $33, per LSEG data

(Lance Tupper is a Reuters market analyst. The views expressed are his own)

((lance.tupper@thomsonreuters.commailto:lance.tupper@tr.com 1-646-279-6380))