UK small-cap RNS · 17 Sep 2026

The key announcements of UK small & mid caps under £2bn on 17 Sep 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
17 Sep	Liontrust Asset Management LIO	£171m	Routine	Result of AGM
17 Sep	Mkango Resources MKA	£100m	Routine	TR1 Standard form notification of major holdings
17 Sep	SThree STEM	£358m	Routine	Opening Position Disclosure - SThree Plc
17 Sep	Nationwide Building Society Core Capital Deferred Shs (Min 250 CCDS) NBS	£1,140m	Routine	Publication of Final Terms
17 Sep	Futura Medical FUM	£2.4m	Routine	Form 8 (OPD) - Futura Medical
17 Sep	Irish Continental Group Units (Comp) (CDI) ICGC	£991m	Routine	Form 8.3 - Ir5b ID
17 Sep	Ramsdens Holdings RFX	£206m	Routine	Form 8.3 - Ramsdens Holdings plc
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - SThree plc
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - SThree plc
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - Sthree plc
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - Sthree plc
17 Sep	Sysgroup SYS	£30m	Routine	Result of AGM
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - Sthree plc
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - Sthree plc
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 8.3 - Permanent TSB Group Holdings plc
17 Sep	Supreme SUP	£155m	Routine	Result of AGM
17 Sep	Seed Capital Solutions SCSP	£1.4m	Routine	Result of General Meetings
17 Sep	SThree STEM	£358m	Routine	Form 8.3 - SThree plc
17 Sep	SThree STEM	£358m	Routine	Form 8.5 - Sthree plc
17 Sep	SThree STEM	£358m	Routine	Form 8.5 - Sthree plc
17 Sep	Irish Continental Group Units (Comp) (CDI) ICGC	£991m	Routine	Form 8.3 - Irish Continental Group plc
17 Sep	Sosandar SOS	£22m	Routine	Result of AGM
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 38.5(b) - Permanent TSB Group
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 38.5(b) - Permanent TSB Group
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 38.5(a) - Permanent TSB Group
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 8.3 - Permanent TSB Group Holdings
17 Sep	OSB Group OSB	£1,615m	Routine	OSB GROUP PLC - Holding(s) in company
17 Sep	Baltic Classifieds Group BCG	£786m	Routine	Transaction in Own Shares
17 Sep	Volvere VLE	£48m	Routine	Transaction in Own Shares
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 38.5(a) - Permanent TSB Group Holdings plc
17 Sep	Irish Continental Group Units (Comp) (CDI) ICGC	£991m	Routine	Form 8.3 - ICG Irish Continental Group
17 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,370m	Routine	Form 38.5(a)
17 Sep	Boku, Inc BOKU	£382m	Routine	Transaction in Own Shares
17 Sep	Brave Bison Group BBSN	£85m	Routine	Form 8.5 - Brave Bison Group plc
17 Sep	Venture Life Group VLG	£80m	Routine	Transaction in Own Shares
17 Sep	NCC Group NCC	£250m	Routine	Transaction in Own Shares
17 Sep	Brave Bison Group BBSN	£85m	Routine	Form 8.5
17 Sep	Cairn Homes (CDI) CRN	£1,402m	Routine	Transaction in Own Shares
17 Sep	S&U SUS	£231m	Routine	Notice of Results and Investor Presentations
17 Sep	Likewise Group LIKE	£150m	Routine	Notice of Results
17 Sep	Warpaint London W7L	£155m	Routine	Notice of Results
17 Sep	Facilities by ADF ADF	£11m	Routine	Grant of awards under Long Term Incentive Plan
17 Sep	Futura Medical FUM	£2.4m	Routine	Form 8 OPD - Futura Medical PLC
17 Sep	Mercia Asset Management MERC	£128m	Routine	Transaction in Own Shares
17 Sep	Gaming Realms GMR	£79m	Routine	Transaction in Own Shares
17 Sep	IWG IWG	£1,745m	Routine	Transaction in Own Shares
17 Sep	SThree STEM	£358m	Routine	Transaction in Own Shares & Rule 2.9 Announcement
17 Sep	Anglo-Eastern Plantations AEP	£601m	Routine	Transaction in Own Shares
17 Sep	Somero Enterprises Inc. SOM	£152m	Routine	Transaction in Own Shares and Total Voting Rights
17 Sep	Greencoat Renewables (CDI) GRP	£714m	Routine	Transaction in Own Shares
17 Sep	Shoe Zone SHOE	£34m	Routine	Transaction in Own Shares
17 Sep	Caledonia Investments CLDN	£1,872m	Routine	Transaction in Own Shares
17 Sep	Globaldata DATA	£422m	Routine	Transaction in Own Shares
17 Sep	Clean Power Hydrogen CPH2	£12m	Routine	Issue of Equity
17 Sep	Winking Studios Limited WKS	£60m	Routine	Transaction in Own Shares