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 Tuesday 23 May

Company Fund % short Change Date changed
BALFOUR BEATTY PLC BlackRock Institutional Trust Company, National Association 0.80% 0.10% 23 May 2017
BELLWAY PLC WorldQuant LLC 0.58% -0.02% 23 May 2017
BIG YELLOW GROUP PLC Polar Capital LLP 0.51% -0.14% 23 May 2017
Cobham PLC Marshall Wace LLP 1.60% 0.08% 23 May 2017
DOMINO'S PIZZA GROUP PLC Pictet Asset Management S.A. 0.50% 0.0% 23 May 2017
DOMINO'S PIZZA GROUP PLC WorldQuant LLC 0.79% -0.09% 23 May 2017
EASYJET PLC Jupiter Investment Management Limited 0.98% -0.11% 23 May 2017
GENEL ENERGY PLC Carmignac Gestion 0.66% -0.02% 23 May 2017
IMAGINATION TECH GROUP PLC GSA Capital Partners LLP 1.41% 0.06% 23 May 2017
IMAGINATION TECH GROUP PLC JPMorgan Asset Management (UK) Ltd 0.51% -0.22% 23 May 2017
Inmarsat PLC Marshall Wace LLP 0.60% 0.07% 23 May 2017
KAZ Minerals PLC Marshall Wace LLP 0.70% 0.06% 23 May 2017
KINGFISHER PLC Carmignac Gestion 0.64% 0.05% 23 May 2017
Lonmin PLC Capital Fund Management SA 1.31% 0.11% 23 May 2017
MARKS & SPENCER GROUP PLC Kintbury Capital LLP 0.49% -0.04% 23 May 2017
MARKS & SPENCER GROUP PLC Marshall Wace LLP 1.40% 0.09% 23 May 2017
PARAGON BANKING GROUP PLC Abaco Asset Management LLP 0.70% 0.09% 23 May 2017
PEARSON PLC BlackRock Institutional Trust Company, National Association 0.49% -0.10% 23 May 2017
PEARSON PLC Kintbury Capital LLP 0.64% -0.06% 23 May 2017
PETROFAC LTD AQR Capital Management, LLC 2.02% 0.08% 23 May 2017
PETROFAC LTD KGH LTD. 0.49% -0.10% 23 May 2017
Premier Oil PLC GLG Partners LP 1.13% -0.14% 23 May 2017
Premier Oil PLC TFG Asset Management UK LLP 2.17% 0.56% 23 May 2017
Purplebricks Group Numeric Investors LLC 0.69% -0.10% 23 May 2017
Randgold Resources Ltd Anchor Bolt Capital, LP 1.11% 0.03% 23 May 2017
SIG PLC BlackRock Investment Management (UK) Limited 1.50% 0.08% 23 May 2017
SIG PLC Exane Asset Management 0.65% 0.13% 23 May 2017
TULLOW OIL PLC AHL Partners LLP 0.99% -0.05% 23 May 2017
TULLOW OIL PLC Systematica Investments Limited 0.50% 0.12% 23 May 2017
Wm Morrison Supermarkets PLC Discovery Capital Management, LLC 2.08% -0.10% 23 May 2017