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 20 December

Company Fund % short Change Date changed
AA Plc Capital Fund Management SA 0.59% -0.02% 20 Dec 2017
AGGREKO PLC WorldQuant LLC 0.50% 0.01% 20 Dec 2017
B&M EUROPEAN VALUE RETAIL S.A. Marshall Wace LLP 0.99% -0.01% 20 Dec 2017
BALFOUR BEATTY PLC Capital Fund Management SA 0.79% -0.02% 20 Dec 2017
BEAZLEY PLC BlackRock Institutional Trust Company, National Association 0.69% -0.10% 20 Dec 2017
Berkeley Group Holdings PLC Millennium International Management LP 0.80% 0.08% 20 Dec 2017
CAPITA PLC CapeView Capital LLP 0.50% 0.04% 20 Dec 2017
CARILLION PLC TT International 1.49% -0.09% 20 Dec 2017
CINEWORLD GROUP PLC DSAM Partners 0.50% 0.0% 20 Dec 2017
CMC MARKETS PLC Ennismore Fund Management Limited 1.21% 0.10% 20 Dec 2017
Cobham PLC Janus Henderson Investors UK Limited 0.50% 0.0% 20 Dec 2017
DUNELM GROUP PLC CZ Capital LLP 0.60% 0.07% 20 Dec 2017
EMPIRIC STUDENT PROPERTY PLC BlackRock Investment Management (UK) Limited 0.90% 0.06% 20 Dec 2017
Entain PLC Davidson Kempner European Partners LLP 0.67% 0.14% 20 Dec 2017
Entain PLC Farallon Capital Europe LLP 0.63% 0.10% 20 Dec 2017
Go-Ahead Group PLC Polar Capital LLP 1.57% 0.09% 20 Dec 2017
Greene King PLC WorldQuant LLC 0.70% 0.09% 20 Dec 2017
Hansteen Holdings PLC Millennium International Management LP 1.60% -0.14% 20 Dec 2017
HARGREAVES LANSDOWN PLC AQR Capital Management, LLC 1.40% 0.01% 20 Dec 2017
Interserve Plc Oxford Asset Management 0.47% -0.03% 20 Dec 2017
INTERTEK GROUP PLC AQR Capital Management, LLC 0.50% 0.01% 20 Dec 2017
IQE Coltrane Asset Management, L.P. 2.80% 0.06% 20 Dec 2017
IQE Marshall Wace LLP 3.14% 0.13% 20 Dec 2017
IQE Valiant Capital Management, LP 1.22% 0.40% 20 Dec 2017
ITV PLC AHL Partners LLP 0.48% -0.10% 20 Dec 2017
MARKS & SPENCER GROUP PLC GLG Partners LP 0.60% 0.03% 20 Dec 2017
MARSTON'S PLC BlackRock Institutional Trust Company, National Association 0.58% -0.10% 20 Dec 2017
MELROSE INDUSTRIES PLC Marshall Wace LLP 0.89% -0.01% 20 Dec 2017
Merlin Entertainments PLC GLG Partners LP 1.12% 0.04% 20 Dec 2017
NEXT PLC Marshall Wace LLP 1.60% 0.09% 20 Dec 2017
PETROFAC LTD AQR Capital Management, LLC 3.36% -0.13% 20 Dec 2017
Premier Oil PLC GLG Partners LP 0.51% 0.23% 20 Dec 2017
Premier Oil PLC Whitebox Advisors LLC 2.84% -0.19% 20 Dec 2017
RESTAURANT GROUP PLC BlackRock Investment Management (UK) Limited 0.59% -0.10% 20 Dec 2017
RESTAURANT GROUP PLC Marshall Wace LLP 0.82% 0.07% 20 Dec 2017
SERCO GROUP PLC Canada Pension Plan Investment Board 0.61% 0.10% 20 Dec 2017
SMITHS GROUP PLC GLG Partners LP 0.49% -0.01% 20 Dec 2017
TATE & LYLE PLC Canada Pension Plan Investment Board 0.88% 0.26% 20 Dec 2017
Telit Communications PLC Lombard Odier Asset Management (Europe) Limited 0.78% 0.23% 20 Dec 2017
The Weir Group PLC WorldQuant LLC 0.70% 0.10% 20 Dec 2017
TULLOW OIL PLC AHL Partners LLP 0.49% -0.10% 20 Dec 2017
TULLOW OIL PLC Capital Fund Management SA 1.10% 0.05% 20 Dec 2017
TULLOW OIL PLC KGH LTD. 1.31% 0.07% 20 Dec 2017
TULLOW OIL PLC Marshall Wace LLP 0.97% -0.09% 20 Dec 2017
Vanquis Banking Group Plc Citadel Advisors II LLC 0.59% -0.09% 20 Dec 2017
Vanquis Banking Group Plc Marshall Wace LLP 1.38% -0.10% 20 Dec 2017
WOOD GROUP (JOHN) PLC D. E. Shaw & Co. LP 0.49% -0.01% 20 Dec 2017