Costain Group Ownership

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

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of COST?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	366,185	0.135%
Public Companies	436,846	0.161%
Individual Insiders	695,737	0.256%
Employee Share Scheme	4,752,266	1.75%
VC/PE Firms	14,466,812	5.33%
General Public	92,484,530	34.1%
Institutions	158,397,902	58.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 55.79% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.11%	Ennismore Fund Management Limited	22,022,829	UK£22.5m	0%	6.79%
7.97%	Amundi Asset Management SAS	21,643,901	UK£22.1m	-0.64%	0.01%
6.83%	J O Hambro Capital Management Limited	18,553,928	UK£19.0m	-10.2%	0.2%
5.33%	Gresham House Asset Management Limited	14,466,812	UK£14.8m	0%	1.09%
3.92%	Fidelity International Ltd	10,635,418	UK£10.9m	18%	0.01%
2.72%	HBOS Investment Fund Managers Limited	7,381,682	UK£7.6m	4.06%	0.07%
2.27%	Barclays Bank PLC, Wealth and Investment Management Division	6,158,477	UK£6.3m	16.3%	0.07%
1.77%	Artemis Investment Management LLP	4,808,419	UK£4.9m	0%	0.03%
1.75%	Costain Group, Employee Trust	4,752,266	UK£4.9m	22.7%	no data
1.46%	BlackRock, Inc.	3,978,050	UK£4.1m	-5.34%	no data
1.39%	Stonehage Fleming (Uk) Limited	3,776,479	UK£3.9m	0%	0.13%
1.35%	Charles Stanley & Co. Ltd, Asset Management Arm	3,664,667	UK£3.8m	6.92%	0.04%
1.31%	Legal & General Investment Management Limited	3,546,623	UK£3.6m	-3.45%	no data
1.08%	Dimensional Fund Advisors LP	2,929,436	UK£3.0m	-2.06%	no data
1.02%	F Van Lanschot Bankiers NV, Asset Management Arm	2,763,036	UK£2.8m	31.2%	0.13%
0.98%	Teviot Partners LLP	2,675,000	UK£2.7m	-3.95%	1.52%
0.98%	Ninety One UK Limited	2,656,115	UK£2.7m	0%	0.01%
0.97%	HSBC Global Asset Management (UK) Limited	2,625,882	UK£2.7m	-4.36%	no data
0.94%	Acadian Asset Management LLC	2,558,649	UK£2.6m	3.23%	0.01%
0.9%	Philip J Milton & Co. Plc	2,435,674	UK£2.5m	-2.71%	8.2%
0.61%	JPMorgan Chase & Co, Brokerage and Securities Investments	1,664,644	UK£1.7m	-16%	no data
0.55%	UBS Asset Management AG	1,502,691	UK£1.5m	-17.7%	no data
0.55%	Cape Wrath Capital	1,482,681	UK£1.5m	48.4%	9.87%
0.54%	The Vanguard Group, Inc.	1,457,018	UK£1.5m	0%	no data
0.51%	Goldman Sachs Group, Investment Banking and Securities Investments	1,392,313	UK£1.4m	39.2%	no data