** Shares of pet vaccine maker Elanco Animal Health ELAN.N rise 3.9% to $25.24 premarket

** Piper Sandler upgrades stock rating to "overweight" from "neutral", and raises PT to $30 from $24

** New PT implies an upside of 23.5% from stock's last close

** Elanco has made significant progress with corporate veterinary groups and practice owners, with corporate accounts now ranking the company as their second-choice vendor partner, up from a distant fourth, says brokerage

** "Elanco is making some serious inroads with corporate groups, which previous checks have found they were abysmal" - Piper Sandler

** 14 of 16 brokerages rate the stock "buy" or higher, two "hold"; median PT is $25 - data compiled by LSEG

** Shares up 86.7% in 2025, vs a 15% increase in NYSE Composite .NYA index

(Reporting by Ragini Mathur in Bengaluru)

((Ragini.Mathur@thomsonreuters.com;))