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 1 May

Company Fund % short Change Date changed
AVANTI COMMUNICATIONS GROUP PLC BlackRock Investment Management (UK) Limited 1.00% 0.09% 1 May 2014
BABCOCK INTERNATIONAL GROUP PLC ABC Arbitrage Asset Management 0.53% 0.0% 1 May 2014
CSR PLC Ardevora Asset Management LLP 0.54% 0.0% 1 May 2014
CSR PLC Societe Generale International Limited 0.54% 0.0% 1 May 2014
Devro PLC BlackRock Investment Management (UK) Limited 0.92% 0.11% 1 May 2014
Domino Printing Sciences Plc AlphaGen Capital Limited 0.60% 0.01% 1 May 2014
G4S Lansdowne Partners Limited* 0.59% -0.02% 1 May 2014
GREGGS PLC BlackRock Investment Management (UK) Limited 0.97% -0.04% 1 May 2014
GW PHARMACEUTICALS PLC Barclays Capital Inc 0.53% 0.0% 1 May 2014
GW PHARMACEUTICALS PLC D. E. Shaw & Co. LP 1.18% 0.29% 1 May 2014
GW PHARMACEUTICALS PLC HealthCor Management, L.P. 1.80% 0.14% 1 May 2014
GW PHARMACEUTICALS PLC Point72 Asset Management, L.P. 0.62% 0.08% 1 May 2014
INTERTEK GROUP PLC AQR Capital Management, LLC 0.80% 0.09% 1 May 2014
OXF INSTRUMENTS PLC Ardevora Asset Management LLP 0.63% 0.06% 1 May 2014
OXF INSTRUMENTS PLC Societe Generale International Limited 0.63% 0.06% 1 May 2014
Petropavlovsk PLC BlackRock Investment Management (UK) Limited 0.72% 0.10% 1 May 2014
REACH PLC ODEY ASSET MANAGEMENT LLP 3.26% -0.04% 1 May 2014
SCAPA GROUP PLC AlphaGen Capital Limited 1.54% 0.06% 1 May 2014
SERCO GROUP PLC BlackRock Investment Management (UK) Limited 0.78% -0.35% 1 May 2014
SERCO GROUP PLC Marshall Wace LLP 0.60% 0.02% 1 May 2014
SERCO GROUP PLC ODEY ASSET MANAGEMENT LLP 0.33% -0.34% 1 May 2014
SPIRENT COMMUNICATIONS PLC Ardevora Asset Management LLP 0.81% 0.06% 1 May 2014
SPIRENT COMMUNICATIONS PLC Societe Generale International Limited 0.81% 0.06% 1 May 2014
TULLOW OIL PLC Lansdowne Partners Limited* 2.39% -0.01% 1 May 2014
XP POWER LTD Georgetown Asset Holdings, Ltd. 0.43% -0.22% 1 May 2014