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 Friday 18 March

Company Fund % short Change Date changed
Advanced Medical Solutions Group Janus Henderson Investors UK Limited 0.93% -0.07% 18 Mar 2016
AGGREKO PLC Adelphi Capital LLP 0.61% -0.14% 18 Mar 2016
AGGREKO PLC Sculptor Capital Management Europe Limited 1.12% 0.09% 18 Mar 2016
AMEC PLC Millennium International Management LP 0.50% -0.11% 18 Mar 2016
ANGLO AMERICAN PLC Pointstate Capital LP 0.62% -0.09% 18 Mar 2016
AVANTI COMMUNICATIONS GROUP PLC GSA Capital Partners LLP 0.51% 0.02% 18 Mar 2016
Berkeley Group Holdings PLC Marshall Wace LLP 0.72% 0.08% 18 Mar 2016
CARILLION PLC CapeView Capital LLP 0.91% 0.06% 18 Mar 2016
G4S Sculptor Capital Management Europe Limited 0.50% 0.16% 18 Mar 2016
HALFORDS GROUP PLC GLG Partners LP 0.83% 0.13% 18 Mar 2016
Hansteen Holdings PLC Citadel Europe LLP 0.99% -0.10% 18 Mar 2016
IMAGINATION TECH GROUP PLC Marshall Wace LLP 0.60% -0.19% 18 Mar 2016
IMAGINATION TECH GROUP PLC Numeric Investors LLC 0.54% -0.06% 18 Mar 2016
IMAGINATION TECH GROUP PLC Threadneedle Asset Management Limited 0.92% 0.09% 18 Mar 2016
International Consolidated Airlines Group S.A. BNP PARIBAS SA 0.80% 0.12% 18 Mar 2016
International Consolidated Airlines Group S.A. Pine River Capital Management L.P. 0.60% 0.03% 18 Mar 2016
J. Sainsbury PLC Marshall Wace LLP 1.54% -0.13% 18 Mar 2016
LIVANOVA PLC Millennium International Management LP 0.78% -0.02% 18 Mar 2016
MELROSE INDUSTRIES PLC Marshall Wace LLP 1.42% -0.08% 18 Mar 2016
MONDI PLC GLG Partners LP 1.00% 0.10% 18 Mar 2016
Naked Wine Numeric Investors LLC 1.28% -0.10% 18 Mar 2016
Nanoco Group Plc GSA Capital Partners LLP 1.59% -0.02% 18 Mar 2016
Pinewood Technologies Group Plc BlackRock Institutional Trust Company, National Association 1.06% -0.07% 18 Mar 2016
PZ CUSSONS PLC BlackRock Investment Management (UK) Limited 0.53% 0.10% 18 Mar 2016
Sanne Group PLC Polar Capital LLP 0.65% 0.14% 18 Mar 2016
SMITHS GROUP PLC BlackRock Investment Management (UK) Limited 0.62% 0.11% 18 Mar 2016
The Weir Group PLC UBS Asset Management (UK) Ltd 1.35% 0.25% 18 Mar 2016
TULLOW OIL PLC ODEY ASSET MANAGEMENT LLP 3.51% -0.25% 18 Mar 2016
TUNGSTEN CORP PLC GSA Capital Partners LLP 0.70% 0.01% 18 Mar 2016
U & I GROUP PLC Millennium International Management LP 0.00% -0.51% 18 Mar 2016
Vistry Group PLC Pictet Asset Management S.A. 1.02% 0.03% 18 Mar 2016
Wm Morrison Supermarkets PLC Third Point LLC 0.68% -0.09% 18 Mar 2016