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 Monday 21 May

Company Fund % short Change Date changed
ADMIRAL GROUP PLC AQR Capital Management, LLC 0.49% -0.09% 21 May 2018
AO WORLD PLC Threadneedle Asset Management Limited 0.45% -0.09% 21 May 2018
BABCOCK INTERNATIONAL GROUP PLC Marshall Wace LLP 1.50% 0.08% 21 May 2018
BCA Marketplace PLC Marshall Wace LLP 0.49% -0.09% 21 May 2018
Berkeley Group Holdings PLC Pictet Asset Management S.A. 0.68% -0.02% 21 May 2018
CAPITA PLC AQR Capital Management, LLC 4.69% -0.01% 21 May 2018
CAPITA PLC GUEVOURA FUND LTD 0.60% 0.03% 21 May 2018
Capricorn Energy Plc Marshall Wace LLP 0.49% -0.04% 21 May 2018
COATS GROUP PLC Millennium International Management LP 0.68% -0.09% 21 May 2018
Cobham PLC JPMorgan Asset Management (UK) Ltd 0.68% -0.04% 21 May 2018
Cobham PLC Millennium International Management LP 1.15% 0.15% 21 May 2018
CREST NICHOLSON HOLDINGS PLC WorldQuant LLC 0.86% 0.10% 21 May 2018
DOMINO'S PIZZA GROUP PLC Portsea Asset Management LLP 0.25% -0.26% 21 May 2018
DUNELM GROUP PLC WorldQuant LLC 0.69% -0.01% 21 May 2018
Greene King PLC Marshall Wace LLP 1.78% -0.02% 21 May 2018
HALFORDS GROUP PLC Indus Capital Partners, LLC 0.72% 0.0% 21 May 2018
Hastings Group Holdings PLC FIL Investments International 0.57% -0.20% 21 May 2018
HIKMA PHARMACEUTICALS PLC AKO Capital LLP 0.49% -0.03% 21 May 2018
HIKMA PHARMACEUTICALS PLC Marshall Wace LLP 0.80% 0.10% 21 May 2018
Hiscox Ltd. Marshall Wace LLP 0.50% 0.0% 21 May 2018
Inmarsat PLC AHL Partners LLP 0.72% 0.10% 21 May 2018
Intu Properties PLC Marshall Wace LLP 1.19% -0.10% 21 May 2018
Intu Properties PLC ODEY ASSET MANAGEMENT LLP 1.40% 0.10% 21 May 2018
J. Sainsbury PLC TFG Asset Management UK LLP 0.50% 0.0% 21 May 2018
JUPITER FUND MANAGEMENT PLC GLG Partners LP 0.88% -0.03% 21 May 2018
KIER GROUP PLC Marshall Wace LLP 0.80% 0.09% 21 May 2018
KINGFISHER PLC GLG Partners LP 0.50% -0.18% 21 May 2018
KINGFISHER PLC Tiger Global Management, LLC 0.82% 0.09% 21 May 2018
Lonmin PLC BlueCrest Capital Management Limited 0.90% 0.03% 21 May 2018
MARKS & SPENCER GROUP PLC Citadel Advisors LLC 0.70% 0.08% 21 May 2018
MARKS & SPENCER GROUP PLC Citadel Europe LLP 1.40% 0.08% 21 May 2018
MARKS & SPENCER GROUP PLC GLG Partners LP 0.81% -0.10% 21 May 2018
McCarthy & Stone PLC JPMorgan Asset Management (UK) Ltd 0.62% 0.05% 21 May 2018
OCADO GROUP PLC Marshall Wace LLP 0.79% -0.02% 21 May 2018
PEARSON PLC Marshall Wace LLP 1.37% -0.03% 21 May 2018
PETRA DIAMONDS LTD Marshall Wace LLP 0.59% -0.01% 21 May 2018
PETROFAC LTD Balyasny Asset Management (UK) LLP 0.80% 0.19% 21 May 2018
PETROFAC LTD KGH LTD. 0.59% 0.10% 21 May 2018
PETS AT HOME GROUP PLC Portsea Asset Management LLP 1.53% -0.15% 21 May 2018
Pinewood Technologies Group Plc Lombard Odier Asset Management (Europe) Limited 0.36% -0.14% 21 May 2018
PLUS500 LTD RUBRIC CAPITAL MANAGEMENT LP 0.53% 0.0% 21 May 2018
RDI REIT PLC GLG Partners LP 0.82% 0.09% 21 May 2018
SERCO GROUP PLC Threadneedle Asset Management Limited 0.53% 0.0% 21 May 2018
SUPERDRY PLC Marshall Wace LLP 0.59% -0.09% 21 May 2018
TESCO PLC AQR Capital Management, LLC 1.09% -0.09% 21 May 2018
TRAVIS PERKINS PLC Marshall Wace LLP 1.89% -0.08% 21 May 2018
WETHERSPOON(J.D.) PLC Carlson Capital UK LLP 1.18% -0.10% 21 May 2018
Wizz Air Holdings PLC Citadel Europe LLP 0.87% 0.13% 21 May 2018
WOOD GROUP (JOHN) PLC Capital Fund Management SA 0.90% 0.01% 21 May 2018
WOOD GROUP (JOHN) PLC WorldQuant LLC 0.58% -0.08% 21 May 2018