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 19 July

Company Fund % short Change Date changed
Advanced Medical Solutions Group Janus Henderson Investors UK Limited 0.70% 0.10% 19 Jul 2016
ANTOFAGASTA PLC KGH LTD. 0.91% 0.11% 19 Jul 2016
AO WORLD PLC TT International 0.85% -0.21% 19 Jul 2016
ASHMORE GROUP PLC ODEY ASSET MANAGEMENT LLP 4.13% -0.09% 19 Jul 2016
Berkeley Group Holdings PLC WorldQuant LLC 0.71% 0.11% 19 Jul 2016
CARILLION PLC Marshall Wace LLP 1.87% -0.09% 19 Jul 2016
Clinigen Group Plc WorldQuant LLC 0.47% -0.03% 19 Jul 2016
Countrywide PLC TT International 0.81% 0.02% 19 Jul 2016
DAILY MAIL AND GENERAL TRUST PLC BlackRock Investment Management (UK) Limited 0.80% 0.09% 19 Jul 2016
Debenhams PLC UBS Asset Management (UK) Ltd 1.78% -0.04% 19 Jul 2016
DRAX GROUP PLC Marshall Wace LLP 0.50% 0.03% 19 Jul 2016
FAROE PETROLEUM PLC GSA Capital Partners LLP 0.43% -0.16% 19 Jul 2016
GW PHARMACEUTICALS PLC D. E. Shaw & Co. LP 1.15% -0.20% 19 Jul 2016
GW PHARMACEUTICALS PLC Marshall Wace LLP 1.36% -0.23% 19 Jul 2016
GW PHARMACEUTICALS PLC WorldQuant LLC 0.54% -0.11% 19 Jul 2016
HALFORDS GROUP PLC GLG Partners LP 1.38% 0.15% 19 Jul 2016
HALFORDS GROUP PLC Insight Investment Management (Global) Ltd 0.78% -0.06% 19 Jul 2016
IMI PLC Insight Investment Management (Global) Ltd 0.79% 0.18% 19 Jul 2016
Inmarsat PLC BlackRock Investment Management (UK) Limited 0.48% -0.04% 19 Jul 2016
KAZ Minerals PLC FIL Investments International 0.88% -0.23% 19 Jul 2016
Ladbrokes Coral Group PLC Sand Grove Capital Management LLP 1.00% 0.26% 19 Jul 2016
MONDI PLC Citadel Europe LLP 0.69% -0.04% 19 Jul 2016
Niox Group The Mangrove Partners Master Fund, Ltd. 1.52% 0.10% 19 Jul 2016
OCADO GROUP PLC Coatue Management, L.L.C. 0.75% -0.12% 19 Jul 2016
OCADO GROUP PLC GMT Capital Corp 3.18% -0.11% 19 Jul 2016
OCADO GROUP PLC UBS Asset Management (UK) Ltd 1.05% -0.05% 19 Jul 2016
PLAYTECH PLC Myriad Opportunities Master Fund Limited 0.60% 0.01% 19 Jul 2016
POUNDLAND GROUP PLC WorldQuant LLC 0.86% -0.13% 19 Jul 2016
RIGHTMOVE PLC Marshall Wace LLP 0.63% 0.11% 19 Jul 2016
SENIOR PLC BlackRock Investment Management (UK) Limited 0.53% 0.05% 19 Jul 2016
Telit Communications PLC MSK Capital Partners LLP 0.51% 0.0% 19 Jul 2016
The Weir Group PLC Citadel Advisors LLC 0.72% 0.11% 19 Jul 2016
The Weir Group PLC Citadel Europe LLP 1.69% -0.05% 19 Jul 2016
TP ICAP PLC York Capital Management Global Advisors, LLC 0.60% 0.08% 19 Jul 2016
TULLOW OIL PLC Oxford Asset Management 0.61% 0.02% 19 Jul 2016
VICTREX PLC GLG Partners LP 0.81% 0.02% 19 Jul 2016
Vodafone Group Plc BNP PARIBAS SA 0.49% -0.01% 19 Jul 2016
Wm Morrison Supermarkets PLC Citadel Europe LLP 0.67% -0.24% 19 Jul 2016
Wm Morrison Supermarkets PLC Maverick Capital, Ltd. 1.81% 0.30% 19 Jul 2016
Wm Morrison Supermarkets PLC Slate Path Capital LP 0.66% 0.14% 19 Jul 2016