Frontier Capital Management Co LLC

·CIK: 0000351173· Boston, MA

Latest 13F Snapshot — Q1 2026

  • Portfolio value:9.73B
  • Number of holdings:291
  • Top 10 concentration:15.3%
  • Largest position:FTAI (2.7%)
  • New positions:29
  • Exited positions:33

Top Updates

AI Generated

Frontier Capital Management Co LLC reported a $9,729,473,000 portfolio across 291 positions. The fund increased its stake in Stride Inc by 864.1% to represent 1.40% of holdings while reducing its position in Ultra Clean Holdings Inc by 49.1%.

  • LRN (1.40%) – Increased holdings by 864.1%.
  • UCTT (1.14%) – Reduced holdings by 49.1%.
  • AKAM (1.22%) – Increased holdings by 126.8%.
  • JAZZ (1.01%) – Increased holdings by 183.9%.
  • ALKS (1.28%) – Increased holdings by 47.9%.

Quarterly 13F Filings History

QuarterFiling DatePortfolio ValueSource
2026Q1May 15, 2026$9,729,472,988SEC
2025Q4Feb 17, 2026$9,423,596,169SEC