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 13 May

Company Fund % short Change Date changed
AGGREKO PLC ODEY ASSET MANAGEMENT LLP 0.89% -0.08% 13 May 2014
APR ENERGY PLC ODEY ASSET MANAGEMENT LLP 2.84% 0.05% 13 May 2014
ASHMORE GROUP PLC ODEY ASSET MANAGEMENT LLP 4.18% -0.19% 13 May 2014
AVANTI COMMUNICATIONS GROUP PLC Ennismore Fund Management Limited 1.64% 0.11% 13 May 2014
COSTAIN GROUP PLC AlphaGen Capital Limited 0.67% -0.14% 13 May 2014
COSTAIN GROUP PLC BlackRock Investment Management (UK) Limited 0.89% -0.07% 13 May 2014
Devro PLC BlackRock Investment Management (UK) Limited 0.97% 0.10% 13 May 2014
GW PHARMACEUTICALS PLC Barclays Capital Inc 0.83% 0.30% 13 May 2014
HOME RETAIL GROUP Marshall Wace LLP 0.49% -0.01% 13 May 2014
J. Sainsbury PLC Marshall Wace LLP 0.75% -0.05% 13 May 2014
LONDON MINING PLC GSA Capital Partners LLP 0.89% -0.10% 13 May 2014
MORGAN SINDALL GROUP PLC BlackRock Investment Management (UK) Limited 0.99% -0.07% 13 May 2014
Ophir Energy PLC Lansdowne Partners Limited* 1.94% -0.11% 13 May 2014
PETROFAC LTD Eton Park International LLP 0.42% -0.09% 13 May 2014
Synergy Health plc AlphaGen Capital Limited 0.95% -0.07% 13 May 2014
TELECITY GROUP PLC ODEY ASSET MANAGEMENT LLP 2.28% -0.03% 13 May 2014
The Sage Group PLC Marshall Wace LLP 0.48% -0.09% 13 May 2014
TUI TRAVEL PLC CQS (UK) LLP 0.79% 0.18% 13 May 2014