
Shares of payments firm Fiserv FISV.O up 3.2% at $61.26 premarket
Activist investor Jana Partners has built a stake in co, the Wall Street Journal reports on Tuesday, citing people familiar with the matter
Size of Jana's stake and whether it plans to seek board seats remains unclear, per the report
"We value shareholder perspectives as we drive progress through our One Fiserv action plan,” Fiserv says in a statement, adding it has engaged with Jana in recent months
Fiserv has been reviewing operations since last year; CEO Mike Lyons has stressed improving forecasting discipline and reducing reliance on short‑term growth tactics
As of last close, FISV stock down 11.6% YTD, following a 67.3% drop in 2025