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 16 May

Company Fund % short Change Date changed
AGGREKO PLC Lansdowne Partners Limited* 2.98% -0.04% 16 May 2014
ALENT PLC BlackRock Investment Management (UK) Limited 0.50% 0.01% 16 May 2014
APR ENERGY PLC ODEY ASSET MANAGEMENT LLP 3.23% 0.26% 16 May 2014
AVANTI COMMUNICATIONS GROUP PLC BlackRock Investment Management (UK) Limited 0.92% 0.03% 16 May 2014
Berkeley Group Holdings PLC ODEY ASSET MANAGEMENT LLP 0.73% -0.14% 16 May 2014
BRITVIC PLC BlackRock Investment Management (UK) Limited 0.84% 0.06% 16 May 2014
Capricorn Energy Plc Canada Pension Plan Investment Board 0.47% -0.04% 16 May 2014
Devro PLC BlackRock Investment Management (UK) Limited 1.01% 0.04% 16 May 2014
Domino Printing Sciences Plc AlphaGen Capital Limited 0.59% -0.01% 16 May 2014
DRAX GROUP PLC GLG Partners LP 0.89% -0.08% 16 May 2014
ESKEN LIMITED GMT Capital Corp 1.78% -0.30% 16 May 2014
EVRAZ PLC FIL Fund Management Limited 0.84% 0.05% 16 May 2014
Fenner PLC BlackRock Investment Management (UK) Limited 0.52% 0.0% 16 May 2014
GREGGS PLC AlphaGen Capital Limited 0.79% -0.05% 16 May 2014
GW PHARMACEUTICALS PLC D. E. Shaw & Co. LP 1.09% -0.05% 16 May 2014
IMAGINATION TECH GROUP PLC JPMorgan Asset Management (UK) Ltd 1.17% -0.05% 16 May 2014
J. Sainsbury PLC Marshall Wace LLP 0.59% -0.08% 16 May 2014
J. Sainsbury PLC BlackRock Investment Management (UK) Limited 0.33% -0.18% 16 May 2014
JOHNSTON PRESS PLC FVP Master Fund, L.P. 0.59% -0.51% 16 May 2014
LAIRD PLC BlackRock Investment Management (UK) Limited 0.61% 0.03% 16 May 2014
Man Group Ltd Marshall Wace LLP 1.02% 0.12% 16 May 2014
Naked Wine JPMorgan Asset Management (UK) Ltd 0.45% -0.14% 16 May 2014
OCADO GROUP PLC GMT Capital Corp 2.39% 0.12% 16 May 2014
Ophir Energy PLC Lansdowne Partners Limited* 1.74% -0.20% 16 May 2014
PERSIMMON PLC Insight Investment Management (Global) Ltd 0.68% -0.03% 16 May 2014
SPIRENT COMMUNICATIONS PLC GMT Capital Corp 1.36% -0.10% 16 May 2014
SUPERDRY PLC JPMorgan Asset Management (UK) Ltd 0.44% -0.13% 16 May 2014
Synergy Health plc BlackRock Investment Management (UK) Limited 0.81% 0.02% 16 May 2014
TUI TRAVEL PLC CQS (UK) LLP 0.98% 0.15% 16 May 2014
Unilever PLC Lansdowne Partners Limited* 0.58% -0.02% 16 May 2014
WH SMITH PLC Artemis Investment Management LLP 0.79% -0.01% 16 May 2014
WH SMITH PLC BlackRock Institutional Trust Company, National Association 0.50% 0.01% 16 May 2014