Centessa Pharmaceuticals Ownership | Who Owns Centessa Pharmaceuticals?

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Centessa Pharmaceuticals Ownership Summary

Centessa Pharmaceuticals is owned by 92.87% institutional investors, 0.49% insiders, and 6.64% retail investors. Medicxi ventures management (jersey) is the largest institutional shareholder, holding 15.01% of CNTA shares. T. Rowe Price Health Sciences is the top mutual fund, with 2.40% of its assets in Centessa Pharmaceuticals shares.

CNTA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Centessa Pharmaceuticals	92.87%	0.49%	6.64%
Sector	Healthcare Stocks	486.50%	11.08%	-397.59%
Industry	Biotech Stocks	304.14%	11.08%	-215.23%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Medicxi ventures management (jersey)	19.96M	15.01%	$262.32M
Index venture life associates vi	9.96M	7.49%	$130.90M
General atlantic	9.68M	7.28%	$127.22M
Adage capital partners gp	8.40M	6.32%	$110.42M
Price t rowe associates inc /md/	5.36M	4.61%	$89.85M
Janus henderson group	4.91M	4.22%	$82.22M
Avoro capital advisors	5.00M	3.76%	$65.70M
Farallon capital management	4.53M	3.40%	$59.52M
First light asset management	4.29M	3.23%	$56.42M
Fmr	3.65M	3.14%	$61.16M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Index venture life associates vi	9.96M	100.00%	$130.90M
Medicxi ventures management (jersey)	19.96M	61.40%	$262.32M
Foresite capital management vi	1.25M	9.26%	$16.47M
Allostery investments lp	52.50K	8.79%	$689.85K
First light asset management	4.29M	7.31%	$56.42M
Octagon capital advisors lp	1.99M	5.49%	$33.38M
Stempoint capital lp	1.27M	5.34%	$16.63M
Tcg crossover management	2.89M	4.34%	$37.99M
Saturn v capital management	793.33K	4.22%	$10.42M
General atlantic	9.68M	3.51%	$127.22M

Top Buyers

Holder	Shares	% Assets	Change
Janus henderson group	4.91M	0.04%	3.61M
Rtw investments, lp	1.53M	0.29%	1.48M
Adage capital partners gp	8.40M	0.19%	1.45M
Balyasny asset management	1.22M	0.02%	1.22M
Ubs group	1.07M	0.00%	1.07M

Top Sellers

Holder	Shares	% Assets	Change
Vida ventures advisors	-	-	-3.93M
Ecor1 capital	-	-	-3.22M
Holocene advisors, lp	-	-	-2.26M
Perceptive advisors	1.15M	0.56%	-1.89M
T. rowe price investment management	401.00	-	-1.75M

New Positions

Holder	Shares	% Assets	Change	Value
Polar capital	1.00M	0.07%	1.00M	$13.14M
Capital world investors	416.82K	0.00%	416.82K	$5.48M
Candriam s.c.a.	347.60K	0.03%	347.60K	$4.57M
Cutter capital management, lp	147.08K	1.01%	147.08K	$2.46M
Bollard group	100.36K	0.03%	100.36K	$1.32M

Sold Out

Holder	Change
Bell investment advisors	-31.00
Caldwell sutter capital	-43.00
Bellevue asset management	-70.00
Spire wealth management	-70.00
Simplex trading	-108.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	126	-10.00%	123,550,297	-0.00%	92	1.08%	69	-9.21%	34	-8.11%
Mar 31, 2025	141	18.49%	124,864,870	0.36%	93	0.82%	75	22.95%	38	-
Dec 31, 2024	118	11.32%	124,412,240	14.59%	107	1.23%	60	-21.05%	38	137.50%
Sep 30, 2024	106	29.27%	108,573,103	25.51%	93	1.50%	76	72.73%	16	-15.79%
Jun 30, 2024	81	14.08%	86,506,233	16.28%	86	1.45%	44	-6.38%	18	260.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
T. Rowe Price Health Sciences	3.21M	2.40%	-33.77K
Fidelity Select Biotechnology	2.98M	2.23%	-
Franklin Biotechnology Discv A(acc)USD	1.18M	0.88%	-
Polar Capital Biotech S Inc	1.00M	0.75%	33.35K
Janus Henderson US SMID Cap Growth	953.94K	0.71%	-11.25K
Janus Henderson US SMID Cap Growth MA	953.94K	0.71%	953.86K
Janus Henderson Triton D	953.94K	0.71%	-11.25K
American Century U.S. Small Cap Growth	888.01K	0.66%	33.57K
American Century Small Cap Growth Inv	888.01K	0.66%	33.57K
Fidelity VIP Mid Cap Initial	702.20K	0.53%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 15, 2025	HUSSAIN IQBAL J	General Counsel	Sell	$103.38K
Jul 29, 2025	Accardi Mario Alberto	President, Orexin Program	Sell	$126.75K
Jul 25, 2025	Weinhoff Gregory M	Chief Business Officer	Sell	$155.60K
Jul 21, 2025	SAHA SAURABH	Chief Executive Officer	Sell	$875.60K
Jul 15, 2025	HUSSAIN IQBAL J	General Counsel	Sell	$89.57K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	5
2025 Q2	2	12
2025 Q1	-	18
2024 Q4	-	18
2024 Q3	-	11

CNTA Ownership FAQ

Who Owns Centessa Pharmaceuticals?

Centessa Pharmaceuticals shareholders are primarily institutional investors at 92.87%, followed by 0.49% insiders and 6.64% retail investors. The average institutional ownership in Centessa Pharmaceuticals's industry, Biotech Stocks , is 304.14%, which Centessa Pharmaceuticals falls below.

Who owns the most shares of Centessa Pharmaceuticals?

Centessa Pharmaceuticals’s largest shareholders are Medicxi ventures management (jersey) (19.96M shares, 15.01%), Index venture life associates vi (9.96M shares, 7.49%), and General atlantic (9.68M shares, 7.28%). Together, they hold 29.77% of Centessa Pharmaceuticals’s total shares outstanding.

Does Blackrock own Centessa Pharmaceuticals?

BlackRock is not among the top 10 institutional shareholders of Centessa Pharmaceuticals.

Who is Centessa Pharmaceuticals’s biggest shareholder by percentage of total assets invested?

Index venture life associates vi is Centessa Pharmaceuticals’s biggest shareholder by percentage of total assets invested, with 100.00% of its assets in 9.96M Centessa Pharmaceuticals shares, valued at 130.9M$.

Who is the top mutual fund holder of Centessa Pharmaceuticals shares?

T. Rowe Price Health Sciences is the top mutual fund holder of Centessa Pharmaceuticals shares, with 2.40% of its total shares outstanding invested in 3.21M Centessa Pharmaceuticals shares.

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