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 Tuesday 31 January

Company Fund % short Change Date changed
ABERDEEN ASSET MGMT PLC AQR Capital Management, LLC 0.49% -0.10% 31 Jan 2017
AGGREKO PLC AQR Capital Management, LLC 2.41% 0.10% 31 Jan 2017
AGGREKO PLC JPMorgan Asset Management (UK) Ltd 0.57% 0.0% 31 Jan 2017
ANTOFAGASTA PLC Marshall Wace LLP 0.49% -0.01% 31 Jan 2017
CARILLION PLC BlackRock Investment Management (UK) Limited 3.31% 0.08% 31 Jan 2017
CARILLION PLC Marshall Wace LLP 1.99% -0.01% 31 Jan 2017
Dairy Crest Group PLC GLG Partners LP 1.40% 0.01% 31 Jan 2017
Debenhams PLC ODEY ASSET MANAGEMENT LLP 2.46% 0.25% 31 Jan 2017
EASYJET PLC Citadel Advisors LLC 0.60% 0.10% 31 Jan 2017
EASYJET PLC WorldQuant LLC 0.73% 0.12% 31 Jan 2017
ESSENTRA PLC AQR Capital Management, LLC 1.41% 0.11% 31 Jan 2017
F&C GLOBAL SMALLER COMPANIES Brookdale International Partners, L.P. and Brookdale Global Opportunity Fund 0.00% -0.51% 31 Jan 2017
FOXTONS GROUP PLC BlackRock Investment Management (UK) Limited 1.12% 0.12% 31 Jan 2017
GENEL ENERGY PLC GSA Capital Partners LLP 0.77% -0.10% 31 Jan 2017
HAMMERSON PLC Marshall Wace LLP 0.59% -0.01% 31 Jan 2017
Hansteen Holdings PLC CQS (UK) LLP 2.15% 0.09% 31 Jan 2017
HOCHSCHILD MINING PLC Marshall Wace LLP 0.58% -0.02% 31 Jan 2017
IMAGINATION TECH GROUP PLC GSA Capital Partners LLP 0.46% -0.13% 31 Jan 2017
IMI PLC Insight Investment Management (Global) Ltd 0.66% -0.12% 31 Jan 2017
J. Sainsbury PLC Millennium International Management LP 0.50% 0.47% 31 Jan 2017
Just Eat PLC Citadel Advisors LLC 0.58% 0.09% 31 Jan 2017
KAZ Minerals PLC Marshall Wace LLP 0.50% 0.02% 31 Jan 2017
KCOM Group PLC BlackRock Investment Management (UK) Limited 0.50% 0.0% 31 Jan 2017
MARKS & SPENCER GROUP PLC Jupiter Investment Management Limited 0.70% 0.10% 31 Jan 2017
MITIE GROUP BlackRock Investment Management (UK) Limited 3.45% -0.05% 31 Jan 2017
MITIE GROUP GLG Partners LP 0.59% -0.05% 31 Jan 2017
MITIE GROUP WorldQuant LLC 1.20% 0.01% 31 Jan 2017
Naked Wine GSA Capital Partners LLP 1.30% 0.10% 31 Jan 2017
Naked Wine JPMorgan Asset Management (UK) Ltd 0.78% -0.09% 31 Jan 2017
NB GLOBAL MONTHLY INCOME FUND LTD Brookdale International Partners, L.P. and Brookdale Global Opportunity Fund 0.50% 0.0% 31 Jan 2017
OCADO GROUP PLC Calixto Global Investors, LP 0.77% -0.05% 31 Jan 2017
OCADO GROUP PLC JPMorgan Asset Management (UK) Ltd 1.00% 0.07% 31 Jan 2017
OCADO GROUP PLC Marshall Wace LLP 1.01% 0.11% 31 Jan 2017
OCADO GROUP PLC UBS Asset Management (UK) Ltd 1.03% 0.14% 31 Jan 2017
PEARSON PLC BlackRock Institutional Trust Company, National Association 0.50% 0.0% 31 Jan 2017
PREMIER FOODS PLC BlackRock Investment Management (UK) Limited 0.52% 0.03% 31 Jan 2017
Premier Oil PLC Marshall Wace LLP 1.24% 0.11% 31 Jan 2017
PRIMARY HEALTH PROPERTIES PLC BNP PARIBAS SA 0.58% -0.11% 31 Jan 2017
Purplebricks Group TT International 0.47% -0.10% 31 Jan 2017
Randgold Resources Ltd D. E. Shaw & Co. LP 0.49% -0.08% 31 Jan 2017
Randgold Resources Ltd Marshall Wace LLP 0.78% -0.09% 31 Jan 2017
SERCO GROUP PLC AQR Capital Management, LLC 0.79% -0.10% 31 Jan 2017
TESCO PLC Marshall Wace LLP 0.49% -0.08% 31 Jan 2017
The Weir Group PLC Citadel Advisors LLC 0.60% 0.06% 31 Jan 2017
TULLOW OIL PLC AHL Partners LLP 0.50% 0.05% 31 Jan 2017
TULLOW OIL PLC ODEY ASSET MANAGEMENT LLP 3.35% -0.11% 31 Jan 2017
TULLOW OIL PLC WorldQuant LLC 0.51% 0.03% 31 Jan 2017
Ultra Electronics Holdings PLC 53 House LLP 1.18% 0.24% 31 Jan 2017
WILLIAM HILL Citadel Europe LLP 0.58% -0.02% 31 Jan 2017
Wm Morrison Supermarkets PLC Citadel Europe LLP 0.59% -0.22% 31 Jan 2017