Centessa Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

LSE:0ACX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
25 Sep 24	SellUS$260,724	Gregory Weinhoff	Individual		16,619	US$15.69

Insider Trading Volume

Insider Buying: 0ACX insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 0ACX?
Owner Type	Number of Shares	Ownership Percentage
State or Government	0	0%
Private Companies	27,500	0.0214%
Individual Insiders	2,492,534	1.94%
General Public	29,533,183	23%
VC/PE Firms	39,606,764	30.8%
Institutions	56,908,551	44.3%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 32%.

Top Shareholders

Top 25 shareholders own 71.73% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.5%	Medicxi Ventures (UK) LLP	19,963,157	US$319.2m	0%	60.62%
7.75%	Index Ventures SA	9,961,789	US$159.3m	0%	9.69%
7.53%	General Atlantic Service Company, L.P.	9,681,818	US$154.8m	0%	2.52%
4.44%	EcoR1 Capital, LLC	5,714,404	US$91.4m	1.7%	2.83%
3.72%	First Light Asset Management, LLC	4,780,560	US$76.4m	59.2%	5.78%
3.39%	T. Rowe Price Group, Inc.	4,364,366	US$69.8m	47.5%	0.01%
3.06%	Perceptive Advisors LLC	3,933,307	US$62.9m	27.6%	1.36%
3.06%	Vida Ventures Advisors, LLC	3,931,818	US$62.9m	0%	39.91%
2.43%	Adage Capital Management, L.P.	3,125,000	US$50.0m	38.9%	0.09%
2.25%	TCG Crossover Management, LLC	2,890,816	US$46.2m	41.7%	3.86%
2.17%	FMR LLC	2,787,194	US$44.6m	0%	no data
1.82%	Octagon Capital Advisors LP	2,345,075	US$37.5m	13.8%	5.89%
1.64%	Artal Group S.A.	2,112,500	US$33.8m	49.6%	0.79%
1.63%	Driehaus Capital Management LLC	2,092,011	US$33.5m	89.5%	0.21%
1.59%	Morgan Stanley, Investment Banking and Brokerage Investments	2,049,548	US$32.8m	-4.09%	no data
1.55%	Farallon Capital Management, L.L.C.	1,996,000	US$31.9m	438%	0.19%
1.39%	Point72 Asset Management, L.P.	1,788,077	US$28.6m	-23.3%	0.07%
1.25%	Cormorant Asset Management, LP	1,611,600	US$25.8m	187%	1.3%
0.97%	5AM Venture Management, LLC	1,245,000	US$19.9m	0%	3.97%
0.9%	Franklin Resources, Inc.	1,156,723	US$18.5m	0%	0.01%
0.88%	Affinity Asset Advisors, LLC	1,135,702	US$18.2m	36.7%	2.93%
0.8%	Balyasny Asset Management L.P.	1,023,122	US$16.4m	302%	0.04%
0.73%	American Century Investment Management Inc	935,151	US$15.0m	1.3%	0.01%
0.68%	David Grainger	870,190	US$13.9m	0.61%	no data
0.56%	Saurabh Saha	724,348	US$11.6m	73.6%	no data