Jana Partners raises share stakes in Fiserv and Cooper Companies
COO•Jana Partners increased its stake in Fiserv by 13.3% to 4.2 million shares and its stake in Cooper Companies by 7.1% to 3.8 million shares, according to SEC filings.
1. Quarterly holdings
Jana Partners Management raised its Fiserv stake by 13.3% to 4.2 million shares and its Cooper Companies stake by 7.1% to 3.8 million shares, according to SEC filings for the quarter ended September 30, 2026.
