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CONGRESS ASSET MANAGEMENT CO

Position in CCCC — C4 Therapeutics, Inc.

CIK 897378 BOSTON, MA

Position in CCCC

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$4,686,050
+$2,501,509 QoQ
Shares Held
1,003,437
+20.8% QoQ
Ownership
0.816%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#28
of 147 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 86% Shared 0% None 14%

Common Shares in CCCC Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

CONGRESS ASSET MANAGEMENT CO holds $715,705,658 across 14 Biotechnology names. CCCC ranks #10 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CCCC

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,686,050 1,003,437
2026-03-31 $2,184,541 830,624