Jana Partners
Jana Partners LLC
Jana Partners LLC is an investment management firm founded in 2001 by Barry Rosenstein, Jana’s Managing Partner and Co-Portfolio Manager. The firm has its headquarters in New York.
Sector Allocation
Level 3 sector breakdown
Level 1 sector breakdown
Level 2 sector breakdown
Level 3 sector breakdown
Food & Tobacco
Aerospace & Defense
Healthcare Equipment & Supplies
Insurance
Professional & Commercial Services
Software & IT Services
Hotels & Entertainment Services
Healthcare Providers & Services
Pharmaceuticals
Biotechnology & Medical Research
Semiconductors & Semiconductor Equipment
Other
Holdings
2025Q3
2025Q3
2025Q2
2025Q1
2024Q4
2024Q3
2024Q2
2024Q1
2023Q4
2023Q3
2023Q2
No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Shares Held
Industry
Report Date
Watchlist
16.08%
+1.09M
$288.47M
$241.31M
3.52M
Healthcare Equipment & Supplies
2025-12-31
8.41%
+2.25M
$150.83M
$289.51M
2.25M
Professional & Commercial Services
2025-12-31
3.52%
+66.16K
$63.14M
$93.52M
4.12M
Hotels & Entertainment Services
2025-12-31
