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Citadel Advisors LLC

UK short positions the FCA published under this name: 196 companies and 4,148 disclosures between 1 Nov 2012 and 9 Jul 2026. Each figure is that position as a percentage of the company's issued share capital, not a money value, and percentages are not comparable or summable across companies.

Frozen archive. This is the pre-2026 UK named register, which stopped on 10 Jul 2026. The FCA now publishes aggregate positions only, with no holder names, so this page can never gain a new disclosure. See how UK disclosure changed in 2026. Live UK figures are on the company pages, linked below where a company is still reportable.

This name still appears in the European registers, which do publish holders: current positions for Citadel Advisors LLC. The two datasets are kept separate and never combined.

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Positions open when the register closed

44 positions of 0.5% or more still disclosed in the register's final snapshot, 10 Jul 2026.

CompanyPositionPosition date
SMITH & NEPHEW PLC1.58%6 Jul 2026
CHEMRING GROUP PLC1.48%29 Jun 2026
GB GROUP PLC1.48%9 Jul 2026
CREST NICHOLSON HOLDINGS PLC1.47%3 Jul 2026
Mobico Group PLC1.47%9 Jul 2026
FORTERRA PLC1.41%2 Jul 2026
GENUIT GROUP PLC1.38%7 Jul 2026
Trainline PLC1.30%6 Jul 2026
CAPITA PLC1.27%9 Jul 2026
PAGEGROUP PLC1.19%9 Jul 2026
TRAVIS PERKINS PLC1.19%12 Jun 2026
Vistry Group PLC1.19%9 Jul 2026
THE BERKELEY GROUP HOLDINGS PLC1.17%26 Jun 2026
STHREE PLC1.02%23 Jun 2026
GREGGS PLC1.00%29 May 2026
ON THE BEACH GROUP PLC0.99%22 Jun 2026
WPP PLC0.98%6 Jul 2026
MOONPIG GROUP PLC0.91%6 Jul 2026
IBSTOCK PLC0.89%6 Jul 2026
WORKSPACE GROUP PLC0.87%9 Jul 2026
Breedon Group Plc0.85%8 Jul 2026
DERWENT LONDON PLC0.81%22 Jun 2026
KIER GROUP PLC0.81%1 Jul 2026
AVON TECHNOLOGIES PLC0.80%25 Jun 2026
J D WETHERSPOON PLC0.79%7 Jul 2026
COSTAIN GROUP PLC0.78%9 Jul 2026
RIGHTMOVE PLC0.78%8 Jul 2026
Inchcape Plc0.71%25 Jun 2026
HAYS PLC0.70%1 Jul 2026
RWS HOLDINGS PLC0.70%29 Jun 2026
WICKES GROUP PLC0.70%7 Jul 2026
BURBERRY GROUP PLC0.69%6 Jul 2026
CVS Group Plc0.62%7 Jul 2026
YOUGOV PLC0.61%3 Jul 2026
CONDUIT HOLDINGS LIMITED0.60%10 Jun 2026
BALFOUR BEATTY PLC0.59%2 Jul 2026
GALLIFORD TRY HOLDINGS PLC0.59%9 Jul 2026
MONY GROUP PLC0.59%8 Jul 2026
Wizz Air Holdings PLC0.59%24 Jun 2026
Close Brothers Group PLC0.58%9 Jul 2026
BELLWAY P L C0.57%17 Jun 2026
VICTREX PLC0.57%7 Jul 2026
ITV PLC0.54%7 Jul 2026
BYTES TECHNOLOGY GROUP PLC0.50%2 Jul 2026

"Position date" is the date the holder's last disclosure applied to, not the date the position was opened.

Full disclosure history

Every disclosure the archive holds, grouped by company and ordered oldest first within each chain. A chain begins when the position first crossed 0.5% and ends either at the freeze or at the last disclosure before it fell back below the threshold. Showing the 80 most recent of 196 companies.

Frequently asked questions

Which UK companies did Citadel Advisors LLC short?
The FCA's named register recorded Citadel Advisors LLC against 196 UK companies between 2012 and 2026, across 4,148 disclosures. 44 positions were still open when the register closed on 10 Jul 2026, the largest 1.58% of SMITH & NEPHEW PLC.
Is this list current?
No. It is a frozen archive. The FCA stopped publishing position-holder names on 13 July 2026 and now publishes one anonymous aggregate per company per day, so no new named UK disclosure exists after 10 Jul 2026. Today's UK figures are on each company's own page.
Was this the whole of Citadel Advisors LLC's UK short book?
No. Only net short positions of 0.5% or more of a company's issued share capital were published with the holder's name. Smaller positions were reported to the FCA privately and never appeared in the register, so the archive is a floor, not a full book.

Source: the Financial Conduct Authority's daily short positions file, captured on 10 Jul 2026 from fca.org.uk and archived unchanged. Figures are as the FCA published them; this site is not affiliated with the FCA. Nothing here is investment advice.