C4 Therapeutics Ownership | Who Owns C4 Therapeutics?

Overview Forecast RevenueFinancials Chart

C4 Therapeutics Ownership Summary

C4 Therapeutics is owned by 69.58% institutional investors, 1.13% insiders, and 29.29% retail investors. Morgan stanley is the largest institutional shareholder, holding 10.94% 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	69.58%	1.13%	29.29%
Sector	Healthcare Stocks	35.71%	11.88%	52.41%
Industry	Biotech Stocks	36.05%	11.82%	52.13%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Morgan stanley	9.07M	10.94%	$23.86M
Ra capital management	8.00M	9.65%	$21.04M
Bain capital life sciences investors	7.17M	8.65%	$18.86M
Lynx1 capital management lp	7.00M	8.44%	$18.41M
Blackrock	4.55M	6.61%	$21.03M
Vanguard group	4.38M	6.04%	$8.37M
Soleus capital management	3.80M	4.59%	$10.00M
Jpmorgan chase	3.22M	3.89%	$7.57M
Two sigma investments, lp	3.04M	3.66%	$7.98M
Wasatch advisors lp	2.96M	3.57%	$7.79M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Lynx1 capital management lp	7.00M	2.91%	$18.41M
Bain capital life sciences investors	7.17M	1.70%	$18.86M
Silverarc capital management	1.91M	0.51%	$5.03M
Soleus capital management	3.80M	0.41%	$10.00M
Verdad advisers, lp	109.41K	0.32%	$287.74K
Platinum investment management	384.77K	0.26%	$1.01M
Stempoint capital lp	453.24K	0.23%	$1.19M
Ra capital management	8.00M	0.22%	$21.04M
Intrepid family office	60.00K	0.13%	$157.80K
Vienna powszechne towarzystwo emerytalne s.a. vienna insurance group	85.00K	0.09%	$223.55K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	4.55M	0.00%	3.65M
Jpmorgan chase	3.22M	0.00%	3.22M
Citadel advisors	2.51M	0.00%	2.06M
Two sigma investments, lp	3.04M	0.01%	1.53M
Goldman sachs group	2.39M	0.00%	1.30M

Top Sellers

Holder	Shares	% Assets	Change
Point72 asset management	169.10K	0.00%	-9.27M
Commodore capital lp	-	-	-3.41M
Samlyn capital	-	-	-3.02M
Wasatch advisors lp	2.96M	0.05%	-1.38M
Tcg crossover management	-	-	-1.28M

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
Stempoint capital lp	453.24K	0.23%	453.24K	$1.19M
Platinum investment management	384.77K	0.26%	384.77K	$1.01M
Toronto dominion bank	174.66K	0.00%	174.66K	$459.36K

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 %
Mar 31, 2026	106	-1.85%	57,677,977	-27.75%	69	0.57%	61	-6.15%	25	8.70%
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%

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	2.63%	-
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%	-
Biotech Growth Ord	1.27M	1.16%	1.01M
Wasatch Micro Cap	758.27K	1.07%	-483.88K
Fidelity Small Cap Index	623.59K	0.88%	-8.75K
Vanguard Institutional Extnd Mkt Idx Tr	882.93K	0.80%	-
iShares Russell 2000 Value ETF	560.98K	0.79%	-

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 69.58%, followed by 1.13% insiders and 29.29% retail investors. The average institutional ownership in C4 Therapeutics's industry, Biotech Stocks , is 36.05%, which C4 Therapeutics exceeds.

Who owns the most shares of C4 Therapeutics?

C4 Therapeutics’s largest shareholders are Morgan stanley (9.07M shares, 10.94%), Ra capital management (8M shares, 9.65%), and Bain capital life sciences investors (7.17M shares, 8.65%). Together, they hold 29.25% 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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