Notice: The Short Interest Tracker is based on data sourced wholly from the FCA's daily short positions report. The information on this website is provided for information only. We don't provide any warranty as to the accuracy of the information on this site and it should not be relied upon in any way.

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We have changed the way we show data on this page. It now shows the date that short positions were changed rather than the date on which they were disclosed to the FCA.

Positions changed on Tuesday 18 December

Company Fund % short Change Date changed
AGGREKO PLC Marshall Wace LLP 0.99% -0.09% 18 Dec 2018
Arrow Global Group PLC Jupiter Investment Management Limited 0.70% 0.10% 18 Dec 2018
ASOS PLC Tiger Global Management, LLC 0.48% -0.25% 18 Dec 2018
Aston Martin Lagonda Global Holdings PLC BlackRock Investment Management (UK) Limited 0.50% 0.0% 18 Dec 2018
Berkeley Group Holdings PLC Pictet Asset Management S.A. 0.47% -0.03% 18 Dec 2018
Boohoo Group Marshall Wace LLP 0.73% 0.07% 18 Dec 2018
BUNZL PLC Lansdowne Partners (UK) LLP 1.14% 0.10% 18 Dec 2018
Capricorn Energy Plc Marshall Wace LLP 1.30% 0.10% 18 Dec 2018
Close Brothers Group PLC BlackRock Institutional Trust Company, National Association 0.91% 0.02% 18 Dec 2018
COUNTRYSIDE PARTNERSHIPS PLC GLG Partners LP 0.89% -0.06% 18 Dec 2018
DAILY MAIL AND GENERAL TRUST PLC BlackRock Institutional Trust Company, National Association 1.30% 0.06% 18 Dec 2018
Devro PLC GLG Partners LP 0.99% -0.07% 18 Dec 2018
DOMINO'S PIZZA GROUP PLC Lombard Odier Asset Management (Europe) Limited 0.46% -0.05% 18 Dec 2018
EQUINITI GROUP PLC Systematica Investments Limited 0.50% 0.0% 18 Dec 2018
GREENCORE GROUP PLC Marshall Wace LLP 1.22% 0.08% 18 Dec 2018
HARGREAVES LANSDOWN PLC AQR Capital Management, LLC 0.90% 0.10% 18 Dec 2018
HIKMA PHARMACEUTICALS PLC Marshall Wace LLP 0.52% 0.03% 18 Dec 2018
HOLLYWOOD BOWL GROUP PLC S.W. Mitchell Capital LLP 0.47% -0.22% 18 Dec 2018
Hurricane Energy Marshall Wace LLP 0.91% 0.11% 18 Dec 2018
International Distribution Services plc Marshall Wace LLP 0.51% 0.03% 18 Dec 2018
Interserve Plc BrightSphere Inc. 2.05% -0.23% 18 Dec 2018
Interserve Plc Millennium International Management LP 0.53% 0.04% 18 Dec 2018
Interserve Plc Squarepoint Ops LLC 0.78% 0.78% 18 Dec 2018
JOHNSON MATTHEY PLC Marshall Wace LLP 0.91% 0.11% 18 Dec 2018
JUPITER FUND MANAGEMENT PLC Melqart Asset Management (UK) Ltd 1.14% 0.13% 18 Dec 2018
LOOKERS PLC ODEY ASSET MANAGEMENT LLP 1.24% 0.13% 18 Dec 2018
Man Group Ltd Marshall Wace LLP 0.59% -0.01% 18 Dec 2018
MEDICLINIC INTERNATIONAL PLC MCP (Switzerland) S.a.r.l. 0.72% 0.0% 18 Dec 2018
Old Mutual Ltd AQR Capital Management, LLC 0.80% 0.09% 18 Dec 2018
PAGEGROUP PLC Adelphi Capital LLP 1.33% 0.15% 18 Dec 2018
PETRA DIAMONDS LTD BrightSphere Inc. 0.48% -0.04% 18 Dec 2018
PETRA DIAMONDS LTD Systematica Investments Limited 1.08% -0.02% 18 Dec 2018
PETROFAC LTD Balyasny Asset Management (UK) LLP 1.01% 0.32% 18 Dec 2018
PETROFAC LTD CapeView Capital LLP 0.75% -0.12% 18 Dec 2018
PETROFAC LTD PSquared Asset Management AG 0.49% -0.10% 18 Dec 2018
PETROFAC LTD RYE BAY CAPITAL LLP 0.46% -0.34% 18 Dec 2018
PETS AT HOME GROUP PLC Pelham Long/Short Small Cap Master Fund Ltd 0.87% -0.24% 18 Dec 2018
PLUS500 LTD D. E. Shaw & Co. LP 1.02% 0.04% 18 Dec 2018
Premier Oil PLC AHL Partners LLP 1.90% 0.04% 18 Dec 2018
Premier Oil PLC Asia Research & Capital Management Ltd 9.88% 0.12% 18 Dec 2018
Premier Oil PLC Whitebox Advisors LLC 1.11% 0.05% 18 Dec 2018
RIGHTMOVE PLC Marshall Wace LLP 0.68% -0.08% 18 Dec 2018
SCHRODER UK PUBLIC PRIVATE TST PLC Lombard Odier Asset Management (Europe) Limited 0.49% -0.01% 18 Dec 2018
Smart Metering Systems GSA Capital Partners LLP 0.69% -0.01% 18 Dec 2018
SPIRE HEALTHCARE GROUP PLC Algert Global LLC 0.43% -0.09% 18 Dec 2018
SPIRE HEALTHCARE GROUP PLC Marshall Wace LLP 0.80% 0.10% 18 Dec 2018
SUPERDRY PLC Connor, Clark & Lunn Investment Management Ltd 0.91% 0.03% 18 Dec 2018
Ted Baker PLC Marshall Wace LLP 0.80% 0.06% 18 Dec 2018
Telit Communications PLC Ennismore Fund Management Limited 2.02% -0.26% 18 Dec 2018
The British Land Co. PLC Marshall Wace LLP 0.70% 0.09% 18 Dec 2018
The Weir Group PLC AQR Capital Management, LLC 1.00% 0.08% 18 Dec 2018
Ultra Electronics Holdings PLC Engadine Partners LLP 0.50% 0.08% 18 Dec 2018
Ultra Electronics Holdings PLC SFM UK Management LLP 1.57% -0.16% 18 Dec 2018
Wm Morrison Supermarkets PLC GLG Partners LP 0.60% 0.10% 18 Dec 2018
ZIGUP plc GLG Partners LP 0.49% -0.01% 18 Dec 2018