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 21 November

Company Fund % short Change Date changed
AMEC PLC Carlson Capital UK LLP 0.04% -0.91% 21 Nov 2014
AMEC PLC Marshall Wace LLP 0.61% 0.11% 21 Nov 2014
ANGLO AMERICAN PLC Discovery Capital Management, LLC 0.50% 0.01% 21 Nov 2014
ASOS PLC Steadfast Capital Management LP 0.93% 0.09% 21 Nov 2014
AVANTI COMMUNICATIONS GROUP PLC Ennismore Fund Management Limited 0.64% -0.52% 21 Nov 2014
BEACON HILL RESOURCES PLC AlphaGen Capital Limited 4.01% 0.78% 21 Nov 2014
Carpetright Plc GMT Capital Corp 2.80% -0.31% 21 Nov 2014
CENTAMIN PLC BlueCrest Capital Management Limited 0.81% 0.10% 21 Nov 2014
DERWENT LONDON PLC Sculptor Capital Management Europe Limited 0.50% 0.0% 21 Nov 2014
Devro PLC FIL Investment Services (UK) Limited 0.49% -0.09% 21 Nov 2014
Greene King PLC Sandell Asset Management Corp 0.85% 0.29% 21 Nov 2014
International Workplace Group plc BlackRock Investment Management (UK) Limited 0.70% 0.01% 21 Nov 2014
J. Sainsbury PLC Sculptor Capital Management Europe Limited 0.84% 0.05% 21 Nov 2014
MARSTON'S PLC Janus Henderson Investors UK Limited 2.20% 0.09% 21 Nov 2014
MONITISE PLC JPMorgan Asset Management (UK) Ltd 1.49% -0.01% 21 Nov 2014
MONY GROUP PLC ODEY ASSET MANAGEMENT LLP 0.87% -0.12% 21 Nov 2014
Nanoco Group Plc GSA Capital Partners LLP 0.70% 0.10% 21 Nov 2014
PREMIER FOODS PLC Oxford Asset Management 0.49% -0.01% 21 Nov 2014
RIGHTMOVE PLC Pine River Capital Management L.P. 0.74% 0.05% 21 Nov 2014
SERCO GROUP PLC Artemis Investment Management LLP 0.54% -0.10% 21 Nov 2014
SERCO GROUP PLC BlackRock Investment Management (UK) Limited 1.23% -0.18% 21 Nov 2014
SERCO GROUP PLC WorldQuant LLC 0.54% -0.06% 21 Nov 2014
TELECITY GROUP PLC ODEY ASSET MANAGEMENT LLP 1.87% -0.45% 21 Nov 2014
TUNGSTEN CORP PLC JPMorgan Asset Management (UK) Ltd 0.92% 0.21% 21 Nov 2014
Wm Morrison Supermarkets PLC BlackRock Investment Management (UK) Limited 0.50% 0.01% 21 Nov 2014
Wm Morrison Supermarkets PLC Marshall Wace LLP 1.21% 0.09% 21 Nov 2014