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 23 September

Company Fund % short Change Date changed
ANTOFAGASTA PLC KGH LTD. 0.54% 0.06% 23 Sep 2015
AO WORLD PLC JPMorgan Asset Management (UK) Ltd 0.78% -0.05% 23 Sep 2015
ASHTEAD GROUP PLC Maverick Capital, Ltd. 0.85% -0.05% 23 Sep 2015
BALFOUR BEATTY PLC Marshall Wace LLP 0.57% -0.03% 23 Sep 2015
DIALIGHT PLC BlackRock Investment Management (UK) Limited 2.98% -0.10% 23 Sep 2015
HOME RETAIL GROUP UBS O'Connor Limited 0.81% 0.02% 23 Sep 2015
HUNTING PLC Capital Fund Management SA 0.60% 0.12% 23 Sep 2015
IMAGINATION TECH GROUP PLC WorldQuant LLC 1.00% 0.07% 23 Sep 2015
IMI PLC Marshall Wace LLP 0.54% 0.0% 23 Sep 2015
Inmarsat PLC BlackRock Investment Management (UK) Limited 0.59% -0.01% 23 Sep 2015
J. Sainsbury PLC Alken Luxembourg S.A. 0.50% 0.0% 23 Sep 2015
J. Sainsbury PLC BlackRock Investment Management (UK) Limited 0.90% 0.01% 23 Sep 2015
KAZ Minerals PLC WorldQuant LLC 1.23% 0.15% 23 Sep 2015
Lonmin PLC GSA Capital Partners LLP 1.20% 0.05% 23 Sep 2015
MARSTON'S PLC GLG Partners LP 0.53% -0.12% 23 Sep 2015
Pace PLC AKO Capital LLP 1.51% -0.10% 23 Sep 2015
PETROFAC LTD Marshall Wace LLP 1.33% 0.13% 23 Sep 2015
Premier Oil PLC GSA Capital Partners LLP 1.23% 0.05% 23 Sep 2015
Premier Oil PLC Oceanic Opportunities Master Fund L.P. 0.82% -0.10% 23 Sep 2015
Rolls Royce Holdings PLC Lone Pine Capital LLC 0.76% 0.10% 23 Sep 2015
SERCO GROUP PLC JPMorgan Asset Management (UK) Ltd 0.46% -0.21% 23 Sep 2015
VESUVIUS ORD Insight Investment Management (Global) Ltd 0.51% -0.09% 23 Sep 2015
ZPG PLC BlackRock Investment Management (UK) Limited 0.50% 0.24% 23 Sep 2015