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 Friday 28 August

Company Fund % short Change Date changed
ADMIRAL GROUP PLC Valinor Management, LP 0.61% 0.06% 28 Aug 2015
AO WORLD PLC Artemis Investment Management LLP 1.46% -0.04% 28 Aug 2015
ASOS PLC Steadfast Capital Management LP 2.63% 0.13% 28 Aug 2015
Brammer plc BlackRock Investment Management (UK) Limited 1.11% 0.10% 28 Aug 2015
Brammer plc JPMorgan Asset Management (UK) Ltd 0.89% -0.08% 28 Aug 2015
Brammer plc Numeric Investors LLC 0.79% -0.01% 28 Aug 2015
BURBERRY GROUP PLC AQR Capital Management, LLC 1.09% -0.01% 28 Aug 2015
CARILLION PLC GMT Capital Corp 0.86% 0.16% 28 Aug 2015
DRAX GROUP PLC Capital Fund Management SA 0.48% -0.03% 28 Aug 2015
DRAX GROUP PLC WorldQuant LLC 0.46% -0.09% 28 Aug 2015
Fidessa Group PLC AlphaGen Capital Limited 0.80% 0.03% 28 Aug 2015
Flybe Group GSA Capital Partners LLP 0.70% 0.10% 28 Aug 2015
G4S Marshall Wace LLP 0.99% 0.31% 28 Aug 2015
GENEL ENERGY PLC AHL Partners LLP 0.68% -0.04% 28 Aug 2015
Hansteen Holdings PLC Basso Capital Management, L.P. 1.68% -0.07% 28 Aug 2015
Hansteen Holdings PLC Millennium International Management LP 0.60% 0.10% 28 Aug 2015
HUNTING PLC Marshall Wace LLP 1.08% -0.02% 28 Aug 2015
HUNTING PLC WorldQuant LLC 0.49% -0.08% 28 Aug 2015
J. Sainsbury PLC AQR Capital Management, LLC 0.49% -0.04% 28 Aug 2015
J. Sainsbury PLC Lone Pine Capital LLC 1.77% -0.07% 28 Aug 2015
J. Sainsbury PLC Marshall Wace LLP 1.51% 0.03% 28 Aug 2015
KAZ Minerals PLC AHL Partners LLP 0.70% 0.01% 28 Aug 2015
KAZ Minerals PLC Capital Fund Management SA 0.49% -0.02% 28 Aug 2015
KAZ Minerals PLC WorldQuant LLC 0.97% -0.04% 28 Aug 2015
LANCASHIRE HOLDINGS LTD ODEY ASSET MANAGEMENT LLP 6.12% 0.12% 28 Aug 2015
Lonmin PLC GSA Capital Partners LLP 1.02% 0.03% 28 Aug 2015
MARSTON'S PLC Janus Henderson Investors UK Limited 2.37% 0.09% 28 Aug 2015
MEDICLINIC INTERNATIONAL PLC JPMorgan Asset Management (UK) Ltd 0.51% 0.0% 28 Aug 2015
MITIE GROUP BlackRock Investment Management (UK) Limited 1.52% 0.04% 28 Aug 2015
Naked Wine JPMorgan Asset Management (UK) Ltd 0.73% -0.11% 28 Aug 2015
Ophir Energy PLC WorldQuant LLC 1.10% 0.03% 28 Aug 2015
PAYSAFE GROUP PLC WorldQuant LLC 0.48% -0.09% 28 Aug 2015
PETROFAC LTD Marshall Wace LLP 0.80% 0.01% 28 Aug 2015
PETROFAC LTD WorldQuant LLC 0.48% -0.02% 28 Aug 2015
Premier Oil PLC AHL Partners LLP 1.28% -0.06% 28 Aug 2015
Premier Oil PLC BlackRock Investment Management (UK) Limited 0.47% -0.03% 28 Aug 2015
Premier Oil PLC Oceanic Opportunities Master Fund L.P. 0.55% -0.07% 28 Aug 2015
RENEWI PLC JPMorgan Asset Management (UK) Ltd 0.40% -0.15% 28 Aug 2015
Rockhopper Exploration GSA Capital Partners LLP 1.21% 0.11% 28 Aug 2015
RSA Insurance Group LTD AQR Capital Management, LLC 0.99% -0.02% 28 Aug 2015
SERCO GROUP PLC GSA Capital Partners LLP 0.52% 0.03% 28 Aug 2015
SERCO GROUP PLC JPMorgan Asset Management (UK) Ltd 0.99% -0.07% 28 Aug 2015
Stock Spirits Group PLC BlackRock Investment Management (UK) Limited 0.70% 0.10% 28 Aug 2015
TULLOW OIL PLC AHL Partners LLP 0.57% -0.08% 28 Aug 2015
TULLOW OIL PLC Capital Fund Management SA 0.86% -0.07% 28 Aug 2015
TULLOW OIL PLC Encompass Capital Advisors LLC 0.56% 0.0% 28 Aug 2015
Ultra Electronics Holdings PLC WorldQuant LLC 0.50% 0.0% 28 Aug 2015
WILLIAM HILL Citadel Europe LLP 0.67% -0.07% 28 Aug 2015
WOOD GROUP (JOHN) PLC Millennium International Management LP 0.66% 0.10% 28 Aug 2015