What happened According to a February 17, 2026 SEC filing, Bamco Inc increased its position in FactSet Research Systems (NYSE:FDS) by 1,069,786 shares during the fourth quarter. Bamco's stake in FactSet Research Systems increased by $317.17 million, reflecting both trading activity and stock price changes. What else to know Bamco Inc acquired this stake, which now accounts for 2.27% of its 13F assets under management as of December 31, 2025. Top holdings post-filing: NASDAQ: TSLA: $5.36 billion (14.5 ...