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 4 January

Company Fund % short Change Date changed
AGGREKO PLC AKO Capital LLP 1.19% -0.06% 4 Jan 2017
AGGREKO PLC WorldQuant LLC 0.70% 0.04% 4 Jan 2017
ANTOFAGASTA PLC Marshall Wace LLP 0.70% 0.02% 4 Jan 2017
BELLWAY PLC Millennium International Management LP 0.68% -0.09% 4 Jan 2017
CARILLION PLC BlackRock Investment Management (UK) Limited 2.67% -0.03% 4 Jan 2017
CARILLION PLC CapeView Capital LLP 1.42% 0.11% 4 Jan 2017
CENTAMIN PLC Marshall Wace LLP 0.69% -0.01% 4 Jan 2017
Clinigen Group Plc BlackRock Investment Management (UK) Limited 0.49% -0.10% 4 Jan 2017
Countrywide PLC Systematica Investments Limited 0.46% -0.04% 4 Jan 2017
Debenhams PLC BlackRock Investment Management (UK) Limited 2.45% 0.28% 4 Jan 2017
EASYJET PLC AQR Capital Management, LLC 0.49% -0.01% 4 Jan 2017
Entain PLC Marshall Wace LLP 1.00% 0.10% 4 Jan 2017
ESSENTRA PLC AQR Capital Management, LLC 1.29% -0.01% 4 Jan 2017
FRASERS GROUP PLC Citadel Advisors LLC 0.49% -0.01% 4 Jan 2017
GREENCORE GROUP PLC AHL Partners LLP 0.82% 0.11% 4 Jan 2017
Greene King PLC Marshall Wace LLP 0.70% 0.10% 4 Jan 2017
HALFORDS GROUP PLC UBS O'Connor Limited 0.61% 0.08% 4 Jan 2017
J. Sainsbury PLC BlackRock Investment Management (UK) Limited 0.69% -0.01% 4 Jan 2017
KAZ Minerals PLC Marshall Wace LLP 0.59% -0.09% 4 Jan 2017
MARKS & SPENCER GROUP PLC Discovery Capital Management, LLC 0.81% 0.02% 4 Jan 2017
MARKS & SPENCER GROUP PLC Egerton Capital (UK) LLP 0.51% 0.0% 4 Jan 2017
MARKS & SPENCER GROUP PLC Kintbury Capital LLP 0.53% 0.04% 4 Jan 2017
MITIE GROUP KUVARI PARTNERS LLP 0.72% 0.11% 4 Jan 2017
MITIE GROUP Marshall Wace LLP 0.99% -0.05% 4 Jan 2017
Naked Wine BlackRock Investment Management (UK) Limited 2.10% 0.01% 4 Jan 2017
Nanoco Group Plc GMT Capital Corp 1.51% 0.05% 4 Jan 2017
NCC GROUP PLC GSA Capital Partners LLP 0.92% 0.12% 4 Jan 2017
PEARSON PLC GLG Partners LP 0.51% 0.06% 4 Jan 2017
PETROFAC LTD GLG Partners LP 0.47% -0.11% 4 Jan 2017
RELX PLC CQS (UK) LLP 0.81% 0.11% 4 Jan 2017
RESTAURANT GROUP PLC BlackRock Investment Management (UK) Limited 0.97% -0.03% 4 Jan 2017
RESTAURANT GROUP PLC Janus Henderson Investors UK Limited 1.40% 0.30% 4 Jan 2017
ROTORK PLC Systematica Investments Limited 0.47% -0.11% 4 Jan 2017
SHAFTESBURY CAPITAL PLC AHL Partners LLP 0.50% 0.01% 4 Jan 2017
SIG PLC Systematica Investments Limited 0.46% -0.04% 4 Jan 2017
SIRIUS MINERALS PLC Highbridge Capital Management LLC 0.60% 0.05% 4 Jan 2017
TESCO PLC Marshall Wace LLP 0.70% 0.01% 4 Jan 2017
TRAVIS PERKINS PLC CapeView Capital LLP 0.50% 0.01% 4 Jan 2017
TULLOW OIL PLC Oxford Asset Management 0.59% -0.10% 4 Jan 2017
WILLIAM HILL Citadel Europe LLP 0.52% 0.08% 4 Jan 2017
WILLIAM HILL Marshall Wace LLP 0.49% -0.01% 4 Jan 2017
Wm Morrison Supermarkets PLC Marshall Wace LLP 2.29% -0.01% 4 Jan 2017