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 21 January

Company Fund % short Change Date changed
AMEC PLC Oxford Asset Management 1.29% 0.13% 21 Jan 2014
G4S Millennium Capital Partners LLP 0.51% 0.0% 21 Jan 2014
GREGGS PLC BlackRock Investment Management (UK) Limited 1.43% -0.07% 21 Jan 2014
Interserve Plc BlackRock Investment Management (UK) Limited 0.72% -0.15% 21 Jan 2014
MITIE GROUP AlphaGen Capital Limited 0.79% -0.01% 21 Jan 2014
PENNON GROUP PLC CQS (UK) LLP 0.61% 0.0% 21 Jan 2014
RED ROCK RESOURCES PLC YA Global Master SPV, Ltd 1.46% 0.61% 21 Jan 2014
RhythmOne plc Blau GmBH 1.77% 0.35% 21 Jan 2014
RhythmOne plc Jericho Capital Holdings LLC 1.13% 0.06% 21 Jan 2014
RSA Insurance Group LTD Marshall Wace LLP 0.58% -0.11% 21 Jan 2014
Synergy Health plc AlphaGen Capital Limited 0.70% 0.06% 21 Jan 2014
VESUVIUS ORD BlackRock Institutional Trust Company, National Association 0.49% -0.09% 21 Jan 2014