C4 Therapeutics Ownership | Who Owns C4 Therapeutics?

Overview Forecast RevenueFinancials Chart

C4 Therapeutics Ownership Summary

C4 Therapeutics is owned by 93.99% institutional investors, 0.84% insiders, and 5.18% retail investors. Morgan stanley is the largest institutional shareholder, holding 7.03% 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	93.99%	0.84%	5.18%
Sector	Healthcare Stocks	52.57%	12.37%	35.07%
Industry	Biotech Stocks	52.24%	12.07%	35.70%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Morgan stanley	8.87M	7.03%	$41.41M
Blackrock	4.55M	6.61%	$21.03M
Ra capital management	8.00M	6.35%	$37.36M
Blackrock funding, inc. /de	7.90M	6.26%	$36.88M
Vanguard group	4.38M	6.04%	$8.37M
Lynx1 capital management lp	7.33M	5.81%	$34.22M
Bain capital life sciences investors	7.17M	5.69%	$33.49M
Jpmorgan chase	4.75M	3.77%	$20.65M
Vanguard capital management	4.42M	3.50%	$20.63M
Citadel advisors	4.19M	3.32%	$19.56M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Lynx1 capital management lp	7.33M	6.74%	$34.22M
Bain capital life sciences investors	7.17M	1.99%	$33.49M
Velan capital investment management lp	570.00K	1.62%	$2.66M
Silverarc capital management	3.03M	1.47%	$14.16M
Highvista strategies	1.35M	1.44%	$6.30M
Ikarian capital	2.43M	1.22%	$11.36M
Patient square capital lp	1.61M	1.16%	$7.51M
Soleus capital management	3.38M	0.54%	$15.78M
Platinum investment management	384.77K	0.44%	$1.80M
Stempoint capital lp	523.65K	0.42%	$2.45M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	7.90M	0.00%	5.85M
Blackrock	4.55M	0.00%	3.65M
Ikarian capital	2.43M	1.22%	2.43M
Candriam s.c.a.	1.80M	0.04%	1.80M
State street	2.12M	0.00%	1.73M

Top Sellers

Holder	Shares	% Assets	Change
Commodore capital lp	-	-	-3.41M
Samlyn capital	-	-	-3.02M
Tcg crossover management	-	-	-1.28M
Renaissance	1.19M	0.01%	-1.27M
Millennium management	215.39K	0.00%	-1.18M

New Positions

Holder	Shares	% Assets	Change	Value
Ikarian capital	2.43M	1.22%	2.43M	$11.36M
Candriam s.c.a.	1.80M	0.04%	1.80M	$8.38M
Patient square capital lp	1.61M	1.16%	1.61M	$7.51M
Highvista strategies	1.35M	1.44%	1.35M	$6.30M
Sixth street partners management company	781.06K	0.00%	781.06K	$3.65M

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 %
Jun 30, 2026	157	22.66%	118,493,656	40.24%	93	2.09%	106	43.24%	27	-10.00%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	2.14M	3.01%	-
Vanguard Total Stock Mkt Idx Inv	3.26M	2.95%	372.50K
Vanguard Morn Total Stk Mkt Idx Investor	3.26M	2.95%	372.50K
Vanguard MStar Total Stk Mkt Idx Invest	3.26M	2.65%	-
iShares Russell 2000 ETF	2.54M	2.30%	-45.12K
Wasatch Ultra Growth	2.50M	2.26%	-145.54K
SPDR® S&P Biotech ETF	1.57M	2.22%	22.34K
Biotech Growth Ord	1.10M	1.00%	889.80K
Fidelity Small Cap Index	623.59K	0.88%	-8.75K
Fidelity Enhanced Small Cap Core ETF	952.32K	0.86%	3.67K

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 Q3	-	-
2026 Q2	-	-
2026 Q1	-	1
2025 Q4	-	-
2025 Q3	-	-

CCCC Ownership FAQ

Who Owns C4 Therapeutics?

C4 Therapeutics shareholders are primarily institutional investors at 93.99%, followed by 0.84% insiders and 5.17% retail investors. The average institutional ownership in C4 Therapeutics's industry, Biotech Stocks , is 52.24%, which C4 Therapeutics exceeds.

Who owns the most shares of C4 Therapeutics?

C4 Therapeutics’s largest shareholders are Morgan stanley (8.87M shares, 7.03%), Blackrock (4.55M shares, 6.61%), and Ra capital management (8M shares, 6.35%). Together, they hold 19.99% 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 6.74% of its assets in 7.33M C4 Therapeutics shares, valued at 34.22M$.

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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