** Shares of marketing automation platform Klaviyo KVYO.N up 6.4% at $22.48 premarket

** Co raises FY26 revenue forecast to a range of $1.501 bln to $1.509 bln from $1.215 bln to $1.219 bln earlier on stronger product adoption, customer demand and international growth

** New forecast above analysts' average estimate of 1.45 bln - LSEG-compiled data

** KVYO posts Q4 revenue of $350.20 mln, beating analysts' expectation of $333.95 mln; posts adj. EPS of 19 cents, beating analysts' average estimate of 17 cents

** 22 of 24 analysts rate stock "buy" or higher, two rate it "hold"; their median PT is $35 - data compiled by LSEG

** As of last close, KVYO stock fell 34.9% YTD

(Reporting by Tharuniyaa Lakshmi in Bengaluru)

((tharuniyaa@thomsonreuters.com))