Ken Fisher Added to Cisco and Palo Alto Networks. Their AI Security Bets Face Different Tests
Fisher Asset Management increased its Cisco stake from 17,301,583 to 33,412,725 shares while raising its Palo Alto Networks position from 256,661 to 5,755,989 shares, according to consecutive SEC filings covering March-to-June changes.
Sep 12, 2026 ·
Yahoo Finance















