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 17 December

Company Fund % short Change Date changed
AGGREKO PLC Marshall Wace LLP 0.50% 0.03% 17 Dec 2013
BALFOUR BEATTY PLC BlackRock Institutional Trust Company, National Association 0.70% 0.09% 17 Dec 2013
BH MACRO LTD BNP PARIBAS SA 0.59% 0.0% 17 Dec 2013
COSTAIN GROUP PLC AlphaGen Capital Limited 0.72% 0.07% 17 Dec 2013
Debenhams PLC Marshall Wace LLP 0.73% 0.09% 17 Dec 2013
DIGNITY PLC ODEY ASSET MANAGEMENT LLP 2.09% 0.18% 17 Dec 2013
GREENCOAT UK WIND PLC BNP PARIBAS SA 0.00% -0.51% 17 Dec 2013
IMAGINATION TECH GROUP PLC JPMorgan Asset Management (UK) Ltd 1.09% -0.08% 17 Dec 2013
IQE BlackRock Investment Management (UK) Limited 1.60% 0.08% 17 Dec 2013
KAZ Minerals PLC BlackRock Investment Management (UK) Limited 1.02% -0.26% 17 Dec 2013
KAZ Minerals PLC Marshall Wace LLP 0.71% 0.07% 17 Dec 2013
PENNON GROUP PLC FIL Investment Services (UK) Limited 1.28% 0.16% 17 Dec 2013
PETROFAC LTD AQR Capital Management, LLC 0.50% 0.0% 17 Dec 2013
Petropavlovsk PLC A.R.T. International Holdings (BVI) Ltd. 0.56% -0.05% 17 Dec 2013
Petropavlovsk PLC Marshall Wace LLP 0.55% -0.13% 17 Dec 2013
Petropavlovsk PLC Oxford Asset Management 1.76% -0.13% 17 Dec 2013
Petropavlovsk PLC WorldQuant LLC 0.69% -0.17% 17 Dec 2013
RhythmOne plc Blau GmBH 1.25% 0.06% 17 Dec 2013
SCAPA GROUP PLC AlphaGen Capital Limited 1.15% -0.08% 17 Dec 2013
SERCO GROUP PLC ODEY ASSET MANAGEMENT LLP 0.80% 0.08% 17 Dec 2013
SPIRENT COMMUNICATIONS PLC BlackRock Institutional Trust Company, National Association 1.29% -0.20% 17 Dec 2013
The Sage Group PLC ODEY ASSET MANAGEMENT LLP 0.94% -0.11% 17 Dec 2013
Vedanta Resources PLC Marshall Wace LLP 0.69% -0.01% 17 Dec 2013
WH SMITH PLC Merchants' Gate Capital LP 1.25% -0.12% 17 Dec 2013