C4 Therapeutics Ownership | Who Owns C4 Therapeutics?

Overview Forecast RevenueFinancials Chart

C4 Therapeutics Ownership Summary

C4 Therapeutics is owned by 6.79% institutional investors, 7.20% insiders, and 86.01% retail investors. Morgan stanley is the largest institutional shareholder, holding 12.38% of CCCC shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.01% of its assets in C4 Therapeutics shares.

CCCC Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	C4 Therapeutics	6.79%	7.20%	86.01%
Sector	Healthcare Stocks	232.86%	10.65%	-143.51%
Industry	Biotech Stocks	382.13%	10.41%	-292.54%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Morgan stanley	8.98M	12.38%	$17.15M
Lynx1 capital management lp	7.00M	8.44%	$18.41M
Orbimed advisors	5.24M	7.37%	$11.62M
Blackrock	4.55M	6.61%	$21.03M
Vanguard group	4.38M	6.04%	$8.37M
Soleus capital management	3.80M	5.24%	$7.27M
Wasatch advisors lp	2.96M	3.57%	$7.79M
Silverarc capital management	1.99M	2.75%	$3.81M
Blackrock funding, inc. /de	1.97M	2.71%	$3.76M
Bank of america corp /de/	1.77M	2.57%	$8.17M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Lynx1 capital management lp	7.00M	2.91%	$18.41M
Silverarc capital management	1.99M	0.53%	$3.81M
Orbimed advisors	5.24M	0.27%	$11.62M
Soleus capital management	3.80M	0.27%	$7.27M
Bain capital life sciences investors	1.11M	0.16%	$2.47M
Intrepid family office	70.00K	0.13%	$155.40K
Vienna powszechne towarzystwo emerytalne s.a. vienna insurance group	85.00K	0.09%	$223.55K
Shay capital	420.00K	0.08%	$932.40K
Tang capital management	900.00K	0.08%	$2.00M
Wasatch advisors lp	2.96M	0.05%	$7.79M

Top Buyers

Holder	Shares	% Assets	Change
Morgan stanley	8.98M	0.00%	4.01M
Blackrock	4.55M	0.00%	3.65M
Vanguard group	4.38M	0.00%	1.19M
Congress asset management co /ma	830.62K	0.02%	830.62K
Renaissance	1.60M	0.00%	665.63K

Top Sellers

Holder	Shares	% Assets	Change
Ra capital management	-	-	-4.88M
Commodore capital lp	-	-	-3.41M
Soleus capital management	3.80M	0.27%	-3.25M
Samlyn capital	-	-	-3.02M
Orbimed advisors	5.24M	0.27%	-1.60M

New Positions

Holder	Shares	% Assets	Change	Value
Congress asset management co /ma	830.62K	0.02%	830.62K	$2.18M
Vanguard fiduciary trust	484.13K	0.00%	484.13K	$1.27M
Qube research	115.97K	0.00%	115.97K	$257.46K
Algert global	106.30K	0.00%	106.30K	$236.00K
Marshall wace, llp	106.28K	0.00%	106.28K	$235.93K

Sold Out

Holder	Change
Ifp advisors	-17.00
Gradient investments	-25.00
True wealth design	-31.00
Coldstream capital management	-52.00
Capital performance advisors llp	-54.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	18	-82.52%	4,929,202	-90.62%	6	0.12%	9	-82.35%	6	-82.86%
Sep 30, 2025	21	-78.79%	4,095,962	-91.57%	5	0.12%	9	-83.33%	9	-72.73%
Jun 30, 2025	100	-13.04%	54,689,267	-14.68%	77	0.90%	55	-19.12%	33	17.86%
Mar 31, 2025	6	-95.20%	21,025,800	-67.35%	30	0.35%	4	-93.85%	1	-96.97%
Dec 31, 2024	122	-5.43%	64,367,933	0.29%	92	1.09%	63	-7.35%	33	3.13%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	2.14M	3.01%	-
Vanguard Total Stock Mkt Idx Inv	2.89M	2.96%	-
Wasatch Ultra Growth	2.65M	2.40%	-176.61K
SPDR® S&P Biotech ETF	1.57M	2.22%	22.34K
iShares Russell 2000 ETF	1.53M	2.16%	-
Wasatch Micro Cap	758.27K	1.07%	-483.88K
Vanguard Institutional Extnd Mkt Idx Tr	882.93K	0.90%	-
Fidelity Small Cap Index	623.59K	0.88%	-8.75K
iShares Russell 2000 Value ETF	560.98K	0.79%	-
ArrowMark Small Cap Gro	481.88K	0.68%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 16, 2026	REYNO LEONARD	Chief Medical Officer	Sell	$22.20K
Feb 18, 2025	Boyle Scott N	Chief Business Officer	Sell	$2.11K
Feb 14, 2025	Boyle Scott N	Chief Business Officer	Sell	$1.54K
Feb 08, 2023	Koppikar Utpal	-	Buy	$31.74K
Apr 12, 2022	Hirsch Andrew	President & CEO	Buy	$84.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	1
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-

CCCC Ownership FAQ

Who Owns C4 Therapeutics?

C4 Therapeutics shareholders are primarily institutional investors at 6.79%, followed by 7.20% insiders and 86.01% retail investors. The average institutional ownership in C4 Therapeutics's industry, Biotech Stocks , is 382.13%, which C4 Therapeutics falls below.

Who owns the most shares of C4 Therapeutics?

C4 Therapeutics’s largest shareholders are Morgan stanley (8.98M shares, 12.38%), Lynx1 capital management lp (7M shares, 8.44%), and Orbimed advisors (5.24M shares, 7.37%). Together, they hold 28.19% of C4 Therapeutics’s total shares outstanding.

Does Blackrock own C4 Therapeutics?

Yes, BlackRock owns 6.61% of C4 Therapeutics, totaling 4.55M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 21.03M$. In the last quarter, BlackRock increased its holdings by 3.65M shares, a 402.93% change.

Who is C4 Therapeutics’s biggest shareholder by percentage of total assets invested?

Lynx1 capital management lp is C4 Therapeutics’s biggest shareholder by percentage of total assets invested, with 2.91% of its assets in 7M C4 Therapeutics shares, valued at 18.41M$.

Who is the top mutual fund holder of C4 Therapeutics shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of C4 Therapeutics shares, with 3.01% of its total shares outstanding invested in 2.14M C4 Therapeutics shares.

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