C4 Therapeutics, Inc.

CCCCNASDAQ

$2.95-0.19 (-6.05%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

C4 Therapeutics, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+33.5%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Morgan Stanley	7.21%	$41.4M	0.00%	Not reported
Ra Capital Management, L.P.	6.51%	$37.4M	0.32%	Not reported
BlackRock, Inc.	6.43%	$36.9M	0.00%	Not reported
Lynx1 Capital Management LP	5.96%	$34.2M	3.95%	Add 4.68%
Squadron Capital Management LLC	5.86%	$33.6M	10.43%	Add 220.00%
Bain Capital Life Sciences Investors, LLC	5.84%	$33.5M	1.99%	Not reported
JPMorgan Chase & Co	3.86%	$20.7M	0.00%	Not reported
Vanguard Capital Management LLC	3.59%	$20.6M	0.00%	Not reported
Citadel Advisors LLC	3.41%	$19.6M	0.00%	Not reported
Goldman Sachs Group Inc	2.87%	$16.5M	0.00%	Not reported
Wasatch Advisors LP	2.87%	$16.5M	0.11%	Add 18.94%
Two Sigma Investments, LP	2.82%	$16.2M	0.01%	Not reported
Soleus Capital Management, L.P.	2.75%	$15.8M	0.54%	Not reported
Silverarc Capital Management, LLC	2.47%	$14.2M	1.47%	Add 58.60%
Bank of America Corp	2.16%	$12.4M	0.00%	Not reported
Geode Capital Management, LLC	2.05%	$11.8M	0.00%	Not reported
Ikarian Capital, LLC	1.98%	$11.4M	1.22%	New Not reported
State Street Corp	1.72%	$9.88M	0.00%	Not reported
Acadian Asset Management LLC	1.47%	$8.43M	0.01%	Not reported
D. E. Shaw & Co., Inc.	1.42%	$8.13M	0.00%	Not reported
Susquehanna International Group, LLP	1.41%	$8.09M	0.00%	Not reported
Patient Square Capital LP	1.31%	$7.51M	1.16%	New Not reported
HighVista Strategies LLC	1.10%	$6.3M	1.44%	New Not reported
Renaissance Technologies LLC	0.97%	$5.56M	0.01%	Not reported
Dimensional Fund Advisors LP	0.97%	$5.55M	0.00%	Not reported
Northern Trust Corp	0.94%	$5.42M	0.00%	Not reported
Congress Asset Management Co	0.82%	$4.69M	0.03%	Add 20.81%
FMR LLC	0.73%	$4.18M	0.00%	Not reported
UBS Group AG	0.67%	$3.87M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.64%	$3.65M	0.00%	Not reported
Boothbay Fund Management, LLC	0.60%	$3.44M	0.05%	Not reported
Vanguard Portfolio Management LLC	0.55%	$3.18M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.50%	$2.84M	0.00%	Not reported
ExodusPoint Capital Management, LP	0.47%	$2.71M	0.02%	Not reported
Velan Capital Investment Management LP	0.46%	$2.66M	1.62%	New Not reported
Stempoint Capital LP	0.43%	$2.45M	0.42%	Not reported
Rockefeller Capital Management L.P.	0.40%	$2.32M	0.00%	Not reported
Nuveen, LLC	0.39%	$2.26M	0.00%	Not reported
Wells Fargo & Company	0.37%	$2.11M	0.00%	Not reported
Man Group plc	0.33%	$1.91M	0.00%	Not reported
Platinum Investment Management Ltd	0.31%	$1.8M	0.44%	Not reported
Seven Fleet Capital Management LP	0.31%	$1.78M	0.29%	Add 567.83%
Qube Research & Technologies Ltd	0.30%	$1.73M	0.00%	Not reported
Atom Investors LP	0.30%	$1.7M	0.15%	Not reported
Susquehanna Portfolio Strategies, LLC	0.27%	$1.56M	0.02%	Add 28.74%
Adage Capital Partners GP, L.L.C.	0.26%	$1.52M	0.00%	New Not reported
Jane Street Group, LLC	0.25%	$1.41M	0.00%	Not reported
ADAR1 Capital Management, LLC	0.24%	$1.36M	0.06%	Add 578.97%
Invesco Ltd.	0.24%	$1.36M	0.00%	Not reported
Panagora Asset Management Inc	0.22%	$1.24M	0.00%	Not reported

50 of 138 holders

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