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 23 October

Company Fund % short Change Date changed
ADMIRAL GROUP PLC ODEY ASSET MANAGEMENT LLP 0.61% -0.19% 23 Oct 2015
ALENT PLC Glenhill Capital Overseas Master Fund, LP 0.64% 0.0% 23 Oct 2015
ALENT PLC Millennium International Management LP 0.93% 0.31% 23 Oct 2015
ANGLO AMERICAN PLC ODEY ASSET MANAGEMENT LLP 0.47% -0.05% 23 Oct 2015
ASHMORE GROUP PLC ODEY ASSET MANAGEMENT LLP 5.82% -0.14% 23 Oct 2015
Brammer plc BlackRock Investment Management (UK) Limited 1.33% 0.05% 23 Oct 2015
BURBERRY GROUP PLC Jericho Capital Asset Management L.P. 0.59% -0.14% 23 Oct 2015
CABLE & WIRELESS COMMUNICATI BlackRock Institutional Trust Company, National Association 0.78% -0.22% 23 Oct 2015
CABLE & WIRELESS COMMUNICATI JPMorgan Asset Management (UK) Ltd 0.21% -0.33% 23 Oct 2015
Dairy Crest Group PLC FIL Investment Services (UK) Limited 1.37% -0.04% 23 Oct 2015
GULF KEYSTONE PETROLEUM ORD CapeView Capital LLP 0.73% 0.12% 23 Oct 2015
GW PHARMACEUTICALS PLC Millennium International Management LP 0.59% -0.03% 23 Oct 2015
HOME RETAIL GROUP Marshall Wace LLP 0.67% -0.03% 23 Oct 2015
HOME RETAIL GROUP WorldQuant LLC 0.51% 0.0% 23 Oct 2015
HOWDEN JOINERY GROUP PLC BlackRock Investment Management (UK) Limited 0.70% 0.18% 23 Oct 2015
IMAGINATION TECH GROUP PLC Numeric Investors LLC 0.49% -0.19% 23 Oct 2015
IMI PLC BlackRock Investment Management (UK) Limited 0.51% 0.22% 23 Oct 2015
J. Sainsbury PLC BlackRock Investment Management (UK) Limited 1.10% 0.10% 23 Oct 2015
J. Sainsbury PLC Marshall Wace LLP 1.11% 0.11% 23 Oct 2015
Nanoco Group Plc GSA Capital Partners LLP 0.91% 0.73% 23 Oct 2015
PERSIMMON PLC Janus Henderson Investors UK Limited 0.52% -0.12% 23 Oct 2015
PETROFAC LTD AKO Capital LLP 1.78% -0.06% 23 Oct 2015
PETROFAC LTD Marshall Wace LLP 0.99% -0.01% 23 Oct 2015
PETS AT HOME GROUP PLC Foxhaven Asset Management, LP 0.63% 0.0% 23 Oct 2015
Rio Tinto Plc Viking Global Investors LP 0.70% 0.04% 23 Oct 2015
ROTORK PLC BlackRock Investment Management (UK) Limited 0.84% 0.07% 23 Oct 2015
SERCO GROUP PLC AQR Capital Management, LLC 1.69% -0.01% 23 Oct 2015
SERCO GROUP PLC BlackRock Institutional Trust Company, National Association 0.59% -0.09% 23 Oct 2015
SERCO GROUP PLC GSA Capital Partners LLP 0.50% 0.03% 23 Oct 2015
Signature Aviation PLC WorldQuant LLC 0.56% -0.04% 23 Oct 2015
TalkTalk Telecom Group Ltd ODEY ASSET MANAGEMENT LLP 1.30% 0.01% 23 Oct 2015
TESCO PLC Incline Global ELS LP 0.75% 0.0% 23 Oct 2015
TESCO PLC Incline Global Master LP 0.75% 0.0% 23 Oct 2015
The Weir Group PLC AQR Capital Management, LLC 1.39% -0.20% 23 Oct 2015
TUNGSTEN CORP PLC Numeric Investors LLC 1.34% -0.12% 23 Oct 2015
Wm Morrison Supermarkets PLC BlackRock Investment Management (UK) Limited 0.91% 0.11% 23 Oct 2015