UK small-cap RNS · 17 Dec 2025

Every announcement of UK small & mid caps under £2bn. The ones that started or moved a situation are marked – a click opens it.

Date	Company	Mcap	Holder	Stake	Crossed
17 Dec	Celebrus Technologies CLBS	£19m	CANACCORD GENUITY GROUP INC	10.92% → 9.21%	10%
17 Dec	Georgia Capital CGEO	£1,243m	JPMorgan Chase & Co.	0.02% → 6.59%	5%
17 Dec	Porvair PRV	£391m	G.G.G. S.p.A	27.08% → 28.05%
17 Dec	Thungela Resources Limited TGA	£867m	PUBLIC INVESTMENT CORPORATION SOC LIMITED	10.55% → 11.4%
17 Dec	Petra Diamonds Ltd. PDL	£9.2m	The Terris Fund Ltd., SAC	25.23% → 28.3%
17 Dec	Renalytix RENX	£40m	UBS Group AG - Investment Bank & Global Wealth Management	7.44% → 8%
17 Dec	Pagegroup PAGE	£649m	Marathon Asset Management Limited	5.06% → 4.92%	5%
17 Dec	Great Southern Copper GSCU	£15m	Spreadex LTD	5.99% → 4.98%	5%
17 Dec	Trustpilot Group TRST	£1,030m	FIL Limited	10.03% → 10.15%
17 Dec	Manolete Partners MANO	£17m	Steven Cooklin	7.36% → 6.74%
17 Dec	Oxford Instruments OXIG	£1,365m	Aberdeen Group plc	5.02% → 0%	5%
17 Dec	Johnson Service Group JSG	£508m	Tweedy, Browne Company LLC	10.19% → 11.01%
17 Dec	Costain Group COST	£651m	UBS Group AG-Investment Bank & Global Wealth Management	7.72% → 5.52%
17 Dec	Evoke EVOK	£190m	Dalia Shaked	19.17%	15%
17 Dec	Sigmaroc SRC	£1,306m	Invesco Ltd.	5.08% → 4.93%	5%

Notifications of major holdings (TR-1): a holder crossing 3%, 5%, 10% … of the voting rights. Key shows stakes of 5% and more; the 3–5% band (mostly index funds) is under All. Transfers inside a group are left out.