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 Thursday 21 May

Company Fund % short Change Date changed
ADMIRAL GROUP PLC Hound Partners, LLC 0.60% 0.05% 21 May 2015
Boohoo Group JPMorgan Asset Management (UK) Ltd 0.55% -0.40% 21 May 2015
CARILLION PLC Thunderbird Partners LLP 2.83% 0.21% 21 May 2015
ENQUEST PLC Oxford Asset Management 0.80% 0.02% 21 May 2015
International Consolidated Airlines Group S.A. CQS (UK) LLP 0.60% 0.09% 21 May 2015
J. Sainsbury PLC Marshall Wace LLP 1.40% 0.01% 21 May 2015
J. Sainsbury PLC Maverick Capital, Ltd. 0.50% 0.16% 21 May 2015
Ladbrokes Coral Group PLC BlackRock Institutional Trust Company, National Association 0.82% 0.05% 21 May 2015
MARSTON'S PLC Janus Henderson Investors UK Limited 2.52% 0.12% 21 May 2015
MITIE GROUP WorldQuant LLC 0.79% -0.09% 21 May 2015
PETROFAC LTD Marshall Wace LLP 0.78% -0.09% 21 May 2015
PETROFAC LTD WorldQuant LLC 0.50% 0.02% 21 May 2015
Petropavlovsk PLC TFG Asset Management UK LLP 0.51% -0.83% 21 May 2015
PLAYTECH PLC CQS (UK) LLP 0.75% -0.11% 21 May 2015
Premier Oil PLC Marshall Wace LLP 0.85% -0.14% 21 May 2015
QUINDELL PORTFOLIO PLC Roble S.L. 1.18% -0.06% 21 May 2015
SMITHS GROUP PLC BlackRock Institutional Trust Company, National Association 0.50% 0.01% 21 May 2015
TalkTalk Telecom Group Ltd Highline Capital Management, LLC 0.58% -0.11% 21 May 2015
TATE & LYLE PLC Canada Pension Plan Investment Board 0.93% 0.11% 21 May 2015
TAYLOR WIMPEY PLC Marshall Wace LLP 0.66% -0.04% 21 May 2015
TELECITY GROUP PLC AQR Capital Management, LLC 0.41% -0.18% 21 May 2015
TUNGSTEN CORP PLC Oxford Asset Management 1.23% 0.13% 21 May 2015
Velocys PLC UBS O'Connor Limited 0.50% 0.0% 21 May 2015
WOOD GROUP (JOHN) PLC Millennium International Management LP 0.47% -0.10% 21 May 2015