Costain Group Ownership
Costain Group Top Shareholders
| # | Holder | Shares | % of Shares Out | Change | Filing Date |
|---|---|---|---|---|---|
| 1 |
Gresham House Asset Management Limited
|
15.275m | 5.74% | +256.472k | Mar 31 2026 |
| 2 |
J O Hambro Capital Management Limited
|
13.408m | 5.04% | — | Dec 31 2025 |
| 3 |
Fidelity International
|
13.396m | 5.03% | — | Dec 31 2025 |
| 4 |
OP Varainhoito Oy
|
8.128m | 3.05% | +340.140k | Dec 31 2025 |
| 5 |
Ennismore Fund Management Ltd.
|
8.101m | 3.04% | — | Dec 31 2025 |
|
1
Gresham House Asset Management Limited
|
5.74%
15.275m
|
|
2
J O Hambro Capital Management Limited
|
5.04%
13.408m
|
|
3
Fidelity International
|
5.03%
13.396m
|
|
4
OP Varainhoito Oy
|
3.05%
8.128m
|
|
5
Ennismore Fund Management Ltd.
|
3.04%
8.101m
|
| The largest shareholders show who really holds influence: big institutional owners shape a stock's liquidity, and building or cutting positions can move the price. | |
| The 5 largest shareholders together hold 21.91% of Costain Group, with Gresham House Asset Management Limited the biggest at 5.74%, followed by J O Hambro Capital Management Limited (5.04%) and Fidelity International (5.03%). |
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