Jana Partners cuts stake in Fiserv, filing shows

FI•2026-08-14

Jana Partners reduces Fiserv stake

Jana Partners cut its stake in payments company Fiserv FISV.O by roughly 17% in the second quarter, a regulatory filing with the U.S. Securities and Exchange Commission showed on Friday.

In late July, the activist investor ratcheted up pressure on the company, pushing it to launch a formal review of its entire portfolio rather than sell assets piecemeal.

The 13F filing data is compiled once per quarter and disclosed within six weeks of quarter-end, the information is dated and will not capture buying or selling done by these large investors since June 30.

Jana Partners cuts stake in Fiserv, filing shows

Jana Partners reduces Fiserv stake

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