UK small-cap RNS · 23 Dec 2025

The key announcements of UK small & mid caps under £2bn on 23 Dec 2025 – 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
23 Dec	Quantum Base Holdings plc QUBE	£16m	Holding	Holding(s) in Company
23 Dec	Playtech PTEC	£1,020m	Holding	Holding(s) in Company
23 Dec	Strix Group KETL	£68m	Holding	Holding(s) in Company
23 Dec	Futura Medical FUM	£2.7m	Overhang	Holding(s) in Company
23 Dec	Renalytix RENX	£36m	Holding	Holding(s) in Company
23 Dec	Capita CPI	£344m	Holding	Holding(s) in Company
23 Dec	Feedback FDBK	£2.8m	Holding	Holding(s) in Company
23 Dec	Quantum Base Holdings plc QUBE	£16m	Holding	Holding(s) in Company
23 Dec	Pensana PRE	£145m	Holding	Holding(s) in Company
23 Dec	Costain Group COST	£662m	Holding	Holding(s) in Company
23 Dec	Central Asia Metals CAML	£252m	Holding	Holding(s) in Company
23 Dec	Trifast TRI	£116m	Holding	Holding(s) in Company
23 Dec	Trifast TRI	£116m	Holding	Holding(s) in Company
23 Dec	WH Smith SMWH	£612m	Holding	Holding(s) in Company
23 Dec	Jarvis Securities JIM	£1.8m	Holding	Holding(s) in Company
23 Dec	Alien Metals Limited UFO	£8.3m	Holding	Holding(s) in Company
23 Dec	Alien Metals Limited UFO	£8.3m	Holding	Holding(s) in Company
23 Dec	Jarvis Securities JIM	£1.8m	Holding	Holding(s) in Company
23 Dec	Jupiter Fund Management JUP	£870m	Holding	Holding(s) in Company
23 Dec	Capita CPI	£344m	Holding	Holding(s) in Company
23 Dec	Strix Group KETL	£68m	Holding	Holding(s) in Company
23 Dec	Jupiter Fund Management JUP	£870m	Holding	Holding(s) in Company
23 Dec	Domino's Pizza Group DOM	£905m	Holding	Holding(s) in Company
23 Dec	Bay Capital BAY	£10m	Holding	Holding(s) in Company
23 Dec	CelLBxHealth plc CLBX	£9.1m	Holding	Holding(s) in Company
23 Dec	Genuit Group GEN	£726m	Holding	Holding(s) in Company
23 Dec	Genuit Group GEN	£726m	Holding	Holding(s) in Company
23 Dec	TMT Investments TMT	£75m	Holding	Holding(s) in Company