Nelson Peltz runs Trian Fund Mgmt, an activist overseeing $3.98B in disclosed equity holdings (SEC CIK 0001345471). The latest portfolio (2025Q4) discloses 7 positions across 3 sectors, with the largest positions in JANUS HENDERSON GROUP PLC, GE and SOLV. On a mark-to-market basis the tracked portfolio has returned 28.6% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.