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 Wednesday 21 October

Company Fund % short Change Date changed
Advanced Medical Solutions Group Janus Henderson Investors UK Limited 0.81% 0.11% 21 Oct 2015
ALENT PLC Millennium International Management LP 0.62% 0.0% 21 Oct 2015
AMEC PLC BlueCrest Capital Management Limited 0.48% -0.04% 21 Oct 2015
ASHTEAD GROUP PLC Blue Ridge Capital, L.L.C. 0.54% 0.0% 21 Oct 2015
ASOS PLC Hoplite Capital Management LLC 1.10% 0.15% 21 Oct 2015
BERENDSEN PLC UBS Asset Management (UK) Ltd 0.55% -0.28% 21 Oct 2015
Dairy Crest Group PLC FIL Investment Services (UK) Limited 1.53% -0.11% 21 Oct 2015
DRAX GROUP PLC GLG Partners LP 0.77% -0.07% 21 Oct 2015
Fenner PLC WorldQuant LLC 0.61% 0.03% 21 Oct 2015
GW PHARMACEUTICALS PLC Millennium International Management LP 0.51% 0.14% 21 Oct 2015
HOCHSCHILD MINING PLC FIL Fund Management Limited 1.58% -0.04% 21 Oct 2015
HOME RETAIL GROUP UBS O'Connor Limited 0.55% -0.31% 21 Oct 2015
IMAGINATION TECH GROUP PLC WorldQuant LLC 1.19% -0.08% 21 Oct 2015
IMI PLC FIL Investment Services (UK) Limited 0.70% 0.08% 21 Oct 2015
LAIRD PLC FIL Investment Services (UK) Limited 0.81% 0.11% 21 Oct 2015
MARKS & SPENCER GROUP PLC Lone Pine Capital LLC 0.51% 0.03% 21 Oct 2015
MITIE GROUP BlackRock Investment Management (UK) Limited 1.81% 0.02% 21 Oct 2015
Naked Wine Janus Henderson Investors UK Limited 0.50% 0.0% 21 Oct 2015
PETRA DIAMONDS LTD Adage Capital Management L.P. 0.51% 0.0% 21 Oct 2015
PETROFAC LTD Marshall Wace LLP 1.00% 0.01% 21 Oct 2015
PLAYTECH PLC CQS (UK) LLP 0.58% -0.10% 21 Oct 2015
SCAPA GROUP PLC Janus Henderson Investors UK Limited 0.85% 0.15% 21 Oct 2015
Signature Aviation PLC CIGOGNE MANAGEMENT 0.76% 0.19% 21 Oct 2015
Signature Aviation PLC QUARTYS LIMITED 1.10% 0.35% 21 Oct 2015
TUNGSTEN CORP PLC GSA Capital Partners LLP 1.89% -0.10% 21 Oct 2015
WH SMITH PLC FIL Investment Services (UK) Limited 1.06% -0.04% 21 Oct 2015
Wm Morrison Supermarkets PLC BlackRock Institutional Trust Company, National Association 0.50% 0.0% 21 Oct 2015
Wm Morrison Supermarkets PLC Marshall Wace LLP 1.20% 0.09% 21 Oct 2015