Skip to main content

CONGRESS ASSET MANAGEMENT CO

CIK
897378
City
BOSTON
State / Country
MA

Top Portfolio Positions

382 positions · $13,800,555,798 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in ALNY

Export CSV

Shares Held

Position Value (USD)

3 quarters on record
Report Date Value (USD) Shares
2026-03-31 $94,542,462 285,739
2025-12-31 $107,062,888 269,239
2025-09-30 $54,172,800 118,800