Skip to main content
CCCC logo

CCCC · C4 Therapeutics, Inc.

Track CCCC — free
$4.03 -0.18 (-4.28%) At close · Aug 20
Market Cap
$495.79M
Shares
123.03M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 147
Total Value: $554,126,059
Total Shares: 118,656,562

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 147 13F filers · Δ vs Mar 31, 2026
Top Holder
7.5%
Sep 2023 → Jun 2026 · range 7.5% – 18.0%
−3.2 pts
Top 5
33.5%
Sep 2023 → Jun 2026 · range 33.5% – 60.5%
−8.0 pts
Top 10
53.8%
Sep 2023 → Jun 2026 · range 53.8% – 77.1%
−6.0 pts
HHI
384
Sep 2023 → Jun 2026 · range 384 – 831
Broadly held−114

Quarterly Activity

vs Mar 31, 2026
New
51
Increased
54
Decreased
26
Sold Out
27
Unchanged
16
Holder count: +24
Institutional value: +148.5%
Shares held: +40.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 155
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1662579 CUSIP 12529R107 13F (30d) 145 filings 140 filers Visit website Investor relations