UK small-cap RNS · 21 May 2026

The key announcements of UK small & mid caps under £2bn on 21 May 2026 – situations they move are marked, with the share price since.

Key = all announcements except routine filings (voting rights, buybacks, holdings, director forms), plus director dealings and holdings that are part of a situation. Not investment advice.

Date	Company	Mcap ↕	Type	Announcement
21 May	First Development Resources Plc FDR	£2.0m	Holding	Holding(s) in Company
21 May	Physiomics PYC	£2.2m	Holding	Holding(s) in Company
21 May	Glenveagh Properties (CDI) GLV	£978m	Overhang	Holding(s) in Company
21 May	Forterra FORT	£322m	Holding	Holding(s) in Company
21 May	Advanced Medical Solutions Group AMS	£616m	Holding	Holding(s) in Company
21 May	Star Energy Group Plc STAR	£40m	Holding	Holding(s) in Company
21 May	Star Energy Group Plc STAR	£40m	Holding	Holding(s) in Company
21 May	FRP Advisory Group FRP	£318m	Holding	Holding(s) in Company
21 May	Tortilla Mexican Grill MEX	£28m	Holding	Holding(s) in Company
21 May	Star Energy Group Plc STAR	£40m	Holding	Holding(s) in Company
21 May	Stelrad Group SRAD	£188m	Holding	Holding(s) in Company
21 May	Hargreaves Services HSP	£265m	Holding	Holding(s) in Company
21 May	Workspace Group WKP	£637m	Holding	Holding(s) in Company
21 May	Tatton Asset Management TAM	£401m	Holding	Holding(s) in Company
21 May	Crest Nicholson Holdings CRST	£169m	Holding	Holding(s) in Company
21 May	Vanquis Banking Group 20 VANQ	£181m	Holding	Holding(s) in Company
21 May	Chemring Group CHG	£1,460m	Holding	Holding(s) in Company