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 27 October

Company Fund % short Change Date changed
AA Plc GLG Partners LP 1.38% -0.05% 27 Oct 2017
Aldermore Group PLC Wellington Management Company LLP 0.96% 0.0% 27 Oct 2017
ANTOFAGASTA PLC AQR Capital Management, LLC 0.59% -0.10% 27 Oct 2017
Arrow Global Group PLC Bybrook Capital LLP 1.67% 0.19% 27 Oct 2017
AUTO TRADER GROUP PLC AQR Capital Management, LLC 0.50% 0.0% 27 Oct 2017
BALFOUR BEATTY PLC BlackRock Investment Management (UK) Limited 0.71% 0.10% 27 Oct 2017
Berkeley Group Holdings PLC Millennium International Management LP 0.67% -0.12% 27 Oct 2017
CARILLION PLC Gladstone Capital Management LLP 1.08% -0.18% 27 Oct 2017
Cityfibre Infrastructure Holdings Jupiter Investment Management Limited 0.71% 0.08% 27 Oct 2017
Countrywide PLC BlackRock Investment Management (UK) Limited 1.50% 0.09% 27 Oct 2017
DS Smith PLC FIL Investments International 0.77% 0.13% 27 Oct 2017
ESSENTRA PLC AQR Capital Management, LLC 1.99% -0.10% 27 Oct 2017
HALFORDS GROUP PLC BlackRock Investment Management (UK) Limited 0.99% -0.04% 27 Oct 2017
HIKMA PHARMACEUTICALS PLC Marshall Wace LLP 1.01% 0.02% 27 Oct 2017
Inmarsat PLC Marshall Wace LLP 1.41% 0.02% 27 Oct 2017
Inmarsat PLC Paloma Partners Management Company 0.60% 0.08% 27 Oct 2017
Interserve Plc Citadel Advisors II LLC 0.66% 0.12% 27 Oct 2017
Interserve Plc Marshall Wace LLP 2.52% 0.08% 27 Oct 2017
J. Sainsbury PLC Millennium International Management LP 0.49% -0.10% 27 Oct 2017
JUPITER FUND MANAGEMENT PLC Abaco Asset Management LLP 0.49% -0.03% 27 Oct 2017
Keywords Studios Plc BennBridge Ltd 0.35% -0.15% 27 Oct 2017
Ladbrokes Coral Group PLC WorldQuant LLC 0.78% -0.02% 27 Oct 2017
LAIRD PLC GSA Capital Partners LLP 0.49% -0.03% 27 Oct 2017
LIVANOVA PLC Millennium International Management LP 1.94% -0.15% 27 Oct 2017
MARSTON'S PLC Marshall Wace LLP 0.47% -0.03% 27 Oct 2017
MCBRIDE PLC Jupiter Investment Management Limited 1.10% 0.22% 27 Oct 2017
NCC GROUP PLC BlackRock Investment Management (UK) Limited 0.49% -0.08% 27 Oct 2017
NCC GROUP PLC BrightSphere Inc. 0.49% -0.07% 27 Oct 2017
NEXT PLC Tybourne Capital Management (HK) Limited 0.69% -0.19% 27 Oct 2017
OCADO GROUP PLC Marshall Wace LLP 1.27% -0.10% 27 Oct 2017
OCADO GROUP PLC Parvus Asset Management Europe Limited 0.78% -0.02% 27 Oct 2017
PETRA DIAMONDS LTD BlackRock Investment Management (UK) Limited 0.96% -0.04% 27 Oct 2017
PETRA DIAMONDS LTD RAM ACTIVE INVESTMENTS SA 0.65% 0.10% 27 Oct 2017
Pinewood Technologies Group Plc Sculptor Capital Management Europe Limited 0.58% -0.05% 27 Oct 2017
Premier Oil PLC TFG Asset Management UK LLP 3.26% -0.04% 27 Oct 2017
Purplebricks Group Wellington Management Company LLP 0.50% 0.0% 27 Oct 2017
RPC Group PLC AQR Capital Management, LLC 0.50% 0.0% 27 Oct 2017
SHAFTESBURY PLC Marshall Wace LLP 0.60% 0.01% 27 Oct 2017
TATE & LYLE PLC Paloma Partners Management Company 0.52% 0.0% 27 Oct 2017
Ted Baker PLC BlackRock Investment Management (UK) Limited 0.79% -0.02% 27 Oct 2017
TELECOM PLUS PLC BlackRock Investment Management (UK) Limited 0.49% -0.09% 27 Oct 2017
Telit Communications PLC Lombard Odier Asset Management (Europe) Limited 1.03% -0.07% 27 Oct 2017
TRAVIS PERKINS PLC Marshall Wace LLP 0.54% 0.06% 27 Oct 2017
TULLOW OIL PLC AHL Partners LLP 0.76% 0.07% 27 Oct 2017
TULLOW OIL PLC KGH LTD. 1.00% 0.20% 27 Oct 2017
TULLOW OIL PLC Marshall Wace LLP 2.45% 0.13% 27 Oct 2017
Vanquis Banking Group Plc AQR Capital Management, LLC 1.92% 0.12% 27 Oct 2017
Vanquis Banking Group Plc GSA Capital Partners LLP 0.47% -0.03% 27 Oct 2017
VICTREX PLC BlackRock Investment Management (UK) Limited 0.60% 0.08% 27 Oct 2017
WOOD GROUP (JOHN) PLC AQR Capital Management, LLC 1.62% 0.11% 27 Oct 2017
WOOD GROUP (JOHN) PLC WorldQuant LLC 0.69% -0.01% 27 Oct 2017
WPP PLC Marshall Wace LLP 0.50% 0.0% 27 Oct 2017