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 1 February

Company Fund % short Change Date changed
Domino Printing Sciences Plc AlphaGen Capital Limited 0.62% 0.11% 1 Feb 2013
Fenner PLC FIL Investment Services (UK) Limited 1.50% 0.10% 1 Feb 2013
HOME RETAIL GROUP Marble Arch Investments, LP 1.38% -0.09% 1 Feb 2013
IDE Group Holdings Plc Tremblant Capital LP 1.42% 0.10% 1 Feb 2013
International Consolidated Airlines Group S.A. Sculptor Capital Management Europe Limited 1.49% -0.02% 1 Feb 2013
J. Sainsbury PLC Lansdowne Partners Limited* 1.20% 0.19% 1 Feb 2013
LONDON MINING PLC Oxford Asset Management 1.42% 0.10% 1 Feb 2013
Lonmin PLC ODEY ASSET MANAGEMENT LLP 0.55% -0.27% 1 Feb 2013
PAGEGROUP PLC Lansdowne Partners Limited* 1.94% 0.13% 1 Feb 2013
PREMIER FOODS PLC Ennismore Fund Management Limited 1.44% 0.08% 1 Feb 2013
RS Group Plc S.A.C. Global Investors LLP 0.81% 0.02% 1 Feb 2013
SPIRENT COMMUNICATIONS PLC BlackRock Institutional Trust Company, National Association 0.70% 0.08% 1 Feb 2013
Sportingbet PLC Lazard Asset Management 0.00% -0.70% 1 Feb 2013
Synergy Health plc Janus Henderson Investors UK Limited 0.71% 0.11% 1 Feb 2013
Wm Morrison Supermarkets PLC Lansdowne Partners Limited* 2.81% 0.07% 1 Feb 2013