Holding(s) in Company
Dimensional Fund Advisors LP, through its managed funds and accounts, has crossed a notification threshold for OSB GROUP PLC, now holding 5.003594% of the voting rights, equating to 17,769,925 shares, as of January 22, 2026. This notification was made on January 26, 2026, and Dimensional expressly disclaims beneficial ownership of these shares, which are held in segregated accounts managed on a discretionary basis.
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Issuer Details
ISIN
GB00BLDRH360
Issuer Name
OSB GROUP PLC
UK or Non-UK Issuer
UK
Reason for Notification
An acquisition or disposal of voting rights
Details of person subject to the notification obligation
Name
Dimensional Fund Advisors LP
City of registered office (if applicable)
Austin
Country of registered office (if applicable)
USA
Details of the shareholder
| Name | City of registered office | Country of registered office |
Funds and accounts managed by Dimensional Fund Advisors LP and/or its subsidiary undertakings
Date on which the threshold was crossed or reached
22-Jan-2026
Date on which Issuer notified
26-Jan-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 | 5.003594 | 0.000000 | 5.003594 | 17769925 |
| 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) |
| GB00BLDRH360 | 17769925 | 5.003594 | ||
| Sub Total 8.A | 17769925 | 5.003594% | ||
| 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 |
Sub Total 8.B1
- 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 |
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
Additional Information
The ordinary shares are held in segregated accounts and funds (together, the “Accounts”) managed on a discretionary basis by Dimensional Fund Advisors LP ("Dimensional") and its subsidiary undertakings i) Dimensional Fund Advisors Ltd., (ii) DFA Australia Limited (iii) Dimensional Ireland Limited (iv) Dimensional Fund Advisors Canada ULC (v) Dimensional Fund Advisors Pte. Ltd. and (vi) Dimensional Fund Advisors LP.
As at 22 January 2026, Dimensional also had investment management discretion over an additional 48,869 shares where the voting rights are not controlled by Dimensional or its subsidiary undertakings.
Dimensional is controlled by its general partner, Dimensional Holdings Inc.
Dimensional, on behalf of itself and its subsidiary undertakings, expressly disclaims beneficial ownership of the shares held in the Accounts.
Date of Completion
26-Jan-2026
Place Of Completion
Paris
Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.