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 9 May

Company Fund % short Change Date changed
AA Plc GLG Partners LP 1.10% 0.08% 9 May 2016
Advanced Medical Solutions Group Janus Henderson Investors UK Limited 0.70% 0.05% 9 May 2016
ANTOFAGASTA PLC AQR Capital Management, LLC 0.60% 0.01% 9 May 2016
ANTOFAGASTA PLC Millennium International Management LP 0.49% -0.01% 9 May 2016
Berkeley Group Holdings PLC Millennium International Management LP 0.72% 0.10% 9 May 2016
CARILLION PLC AKO Capital LLP 1.19% -0.19% 9 May 2016
CARILLION PLC BlackRock Investment Management (UK) Limited 1.92% 0.10% 9 May 2016
CENTRICA PLC AQR Capital Management, LLC 0.48% -0.02% 9 May 2016
ENQUEST PLC CapeView Capital LLP 1.25% -0.13% 9 May 2016
FIRSTGROUP PLC BlackRock Institutional Trust Company, National Association 1.08% -0.02% 9 May 2016
G4S Janus Henderson Investors UK Limited 0.56% -0.04% 9 May 2016
GLENCORE PLC Viking Global Investors LP 0.57% -0.11% 9 May 2016
GW PHARMACEUTICALS PLC WorldQuant LLC 0.80% 0.09% 9 May 2016
HARGREAVES LANSDOWN PLC AQR Capital Management, LLC 1.59% -0.01% 9 May 2016
IMAGINATION TECH GROUP PLC Systematica Investments Limited 0.49% -0.08% 9 May 2016
IMI PLC BlackRock Investment Management (UK) Limited 0.74% 0.13% 9 May 2016
International Distribution Services plc JANA Partners LLC 0.74% -0.09% 9 May 2016
MARKS & SPENCER GROUP PLC GLG Partners LP 0.48% -0.03% 9 May 2016
MELROSE INDUSTRIES PLC Marshall Wace LLP 0.81% 0.02% 9 May 2016
MONDI PLC GLG Partners LP 0.87% -0.06% 9 May 2016
Nanoco Group Plc GSA Capital Partners LLP 1.49% -0.01% 9 May 2016
Nanoco Group Plc Jupiter Investment Management Limited 0.53% 0.0% 9 May 2016
OCADO GROUP PLC Marshall Wace LLP 0.50% 0.01% 9 May 2016
PETS AT HOME GROUP PLC Pelham Long/Short Small Cap Master Fund Ltd 0.68% 0.18% 9 May 2016
RESTAURANT GROUP PLC WorldQuant LLC 1.25% 0.09% 9 May 2016
Shire PLC Sculptor Capital LP 1.10% -0.12% 9 May 2016
Signature Aviation PLC BlackRock Investment Management (UK) Limited 0.71% 0.06% 9 May 2016
SPIRAX GROUP PLC GLG Partners LP 0.48% -0.08% 9 May 2016
WILLIAM HILL GLG Partners LP 1.42% -0.08% 9 May 2016
Wm Morrison Supermarkets PLC Citadel Europe LLP 0.80% 0.03% 9 May 2016
WOOD GROUP (JOHN) PLC Citadel Europe LLP 0.57% -0.12% 9 May 2016