Shares of Klaviyo Inc KVYO have soared more than 40% year to date.Stifel says the company is positioned to capture market share in the "sizable digital marketing space in the coming years.”Analyst Parker Lane initiated coverage of Klaviyo with a Buy rating and price target of $45.The Klaviyo Thesis: The company has a large TAM (total addressable market). It offers "ample opportunity for both net new customer acquisition and expansion," Lane said in the initiation note.Check out other analyst stock ratings.K ...