Maplelane Capital, LLC
UK short positions the FCA published under this name: 1 company and 12 disclosures between 12 Feb 2019 and 29 May 2019. 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.
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Positions open when the register closed
No position was still open in the register's final snapshot of 10 Jul 2026: every chain below had already fallen back below the 0.5% publication threshold.
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.
PEARSON PLC
closed 29 May 201912 disclosures · peak 1.07% · first 12 Feb 2019 · last 29 May 2019
12 Feb 2019 1.07% · 18 Feb 2019 0.94% · 22 Feb 2019 1.06% · 26 Feb 2019 0.95% · 27 Feb 2019 0.88% · 18 Mar 2019 0.76% · 19 Mar 2019 0.69% · 22 Mar 2019 0.53% · 11 Apr 2019 0.44% · 1 May 2019 0.60% · 28 May 2019 0.51% · 29 May 2019 0.43%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Frequently asked questions
- Which UK companies did Maplelane Capital, LLC short?
- The FCA's named register recorded Maplelane Capital, LLC against 1 UK company between 2019 and 2026, across 12 disclosures. No position was still open when the register closed on 10 Jul 2026.
- 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 Maplelane Capital, 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.