Holding(s) in Company
BNP Paribas SA, through its subsidiary BNP Paribas Financial Markets, has acquired a significant stake in Costain Group PLC, now holding a total of 5.890404% of voting rights. This includes 5.886938% directly attached to shares and 0.003466% through financial instruments, specifically a swap expiring on March 6, 2028. The notification date was June 9, 2026, with the threshold crossing occurring on June 5, 2026. The total number of voting rights held amounts to 15,748,256.
Select text to share a quote on X · sign in to keep highlights & notes in your COST notes
Issuer Details
ISIN
GB00B64NSP76
Issuer Name
COSTAIN GROUP PLC
UK or Non-UK Issuer
UK
Reason for Notification
An acquisition or disposal of voting rights; An acquisition or disposal of financial instruments
Details of person subject to the notification obligation
Name
BNP PARIBAS SA
City of registered office (if applicable)
Country of registered office (if applicable)
FR
Details of the shareholder
| Name | City of registered office | Country of registered office |
| BNP PARIBAS FINANCIAL MARKETS | Paris | France |
Date on which the threshold was crossed or reached
05-Jun-2026
Date on which Issuer notified
09-Jun-2026
- Total positions of person(s) subject to the notification obligation
| % of voting rights attached to shares (total of 8.A) | % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) | Total of both in % (8.A + 8.B) | Total number of voting rights held in issuer | |
|---|---|---|---|---|
| Resulting situation on the date on which threshold was crossed or reached | 5.886938 | 0.003466 | 5.890404 | 15748256 |
| Position of previous notification (if applicable) | ||||
| 8A. Voting rights attached to shares | ||||
| Class/Type of shares ISIN code(if possible) | Number of direct voting rights (DTR5.1) | Number of indirect voting rights (DTR5.2.1) | % of direct voting rights (DTR5.1) | % of indirect voting rights (DTR5.2.1) |
| GB00B64NSP76 | 15738990 | 5.886938 | ||
| Sub Total 8.A | 15738990 | 5.886938% | ||
| 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) | ||||
| Type of financial instrument | Expiration date | Exercise/conversion period | Number of voting rights that may be acquired if the instrument is exercised/converted | % of voting rights |
| Swap | 06/03/2028 | 9266 | 0.003466 | |
| Sub Total 8.B1 | 9266 | 0.003466% | ||
- Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
| Type of financial instrument | Expiration date | Exercise/conversion period | Physical or cash settlement | Number of voting rights | % of voting rights |
Sub Total 8.B2
- Information in relation to the person subject to the notification obligation
| Ultimate controlling person | Name of controlled undertaking | % of voting rights if it equals or is higher than the notifiable threshold | % of voting rights through financial instruments if it equals or is higher than the notifiable threshold | Total of both if it equals or is higher than the notifiable threshold |
|---|---|---|---|---|
| BNP PARIBAS SA | BNP PARIBAS FINANCIAL MARKETS | 5.661919 | 5.665385% | |
| BNP PARIBAS SA | Securities Services |
In case of proxy voting
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held
If date does not apply, explain below
- Additional Information
- Date of Completion
09-Jun-2026
Place Of Completion
Paris
Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.