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Jana Partners cuts stake in Fiserv, filing shows

By Thomson Reuters Aug 14, 2026 | 3:39 PM

Aug 14 (Reuters) – Jana Partners cut its stake in payments ​company Fiserv 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.

(Reporting by Manya Saini in Bengaluru; Editing by Shilpi ​Majumdar)