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 Monday 18 May

Company Fund % short Change Date changed
AGGREKO PLC WorldQuant LLC 0.50% 0.01% 18 May 2015
Blancco Technology Group GSA Capital Partners LLP 0.80% 0.01% 18 May 2015
BWIN.PARTY DIGITAL ENTERTAIN JPMorgan Asset Management (UK) Ltd 0.48% -0.66% 18 May 2015
DRAX GROUP PLC Marshall Wace LLP 0.49% -0.03% 18 May 2015
EI Group PLC Luxor Capital Group, LP 0.99% -0.10% 18 May 2015
Fenner PLC BlackRock Investment Management (UK) Limited 0.79% -0.08% 18 May 2015
Fidessa Group PLC AlphaGen Capital Limited 0.77% -0.05% 18 May 2015
FOXTONS GROUP PLC Altair Investment Management Limited 0.44% -0.35% 18 May 2015
Greene King PLC BTG PACTUAL EUROPE LLP 1.09% -0.04% 18 May 2015
IMAGINATION TECH GROUP PLC BlueCrest Capital Management Limited 0.88% -0.11% 18 May 2015
J. Sainsbury PLC Lone Pine Capital LLC 1.82% 0.08% 18 May 2015
KAZ Minerals PLC JPMorgan Asset Management (UK) Ltd 0.77% 0.20% 18 May 2015
MARSTON'S PLC Janus Henderson Investors UK Limited 2.32% 0.05% 18 May 2015
Naked Wine BlackRock Investment Management (UK) Limited 0.62% -0.17% 18 May 2015
OXF INSTRUMENTS PLC GSA Capital Partners LLP 0.59% -0.01% 18 May 2015
OXF INSTRUMENTS PLC Numeric Investors LLC 0.69% -0.02% 18 May 2015
PLUS500 LTD Ennismore Fund Management Limited 0.59% 0.0% 18 May 2015
PLUS500 LTD Sophos Capital Management, L.P. 0.61% 0.07% 18 May 2015
PLUS500 LTD Valiant Capital Management, LP 0.84% -0.19% 18 May 2015
QUINDELL PORTFOLIO PLC Roble S.L. 1.48% -0.21% 18 May 2015
TELECITY GROUP PLC ODEY ASSET MANAGEMENT LLP 0.88% -0.05% 18 May 2015
TUNGSTEN CORP PLC GSA Capital Partners LLP 0.70% 0.01% 18 May 2015
UTILITYWISE PLC BlackRock Investment Management (UK) Limited 0.48% -0.10% 18 May 2015
WH SMITH PLC Eminence Capital, LP 1.58% -0.07% 18 May 2015
WILLIAM HILL Millennium International Management LP 0.62% 0.06% 18 May 2015
Wm Morrison Supermarkets PLC Lone Pine Capital LLC 1.17% 0.17% 18 May 2015
Wm Morrison Supermarkets PLC Marshall Wace LLP 1.30% 0.10% 18 May 2015