BlueCrest Capital Management Limited
UK short positions the FCA published under this name: 30 companies and 390 disclosures between 16 Jul 2013 and 23 Nov 2020. Each figure is that position as a percentage of the company's issued share capital, not a money value, and percentages are not comparable or summable across companies.
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Positions open when the register closed
No position was still open in the register's final snapshot of 10 Jul 2026: every chain below had already fallen back below the 0.5% publication threshold.
Full disclosure history
Every disclosure the archive holds, grouped by company and ordered oldest first within each chain. A chain begins when the position first crossed 0.5% and ends either at the freeze or at the last disclosure before it fell back below the threshold.
PRIMARY HEALTH PROPERTIES PLC
closed 23 Nov 20206 disclosures · peak 0.59% · first 7 Feb 2020 · last 23 Nov 2020
7 Feb 2020 0.52% · 20 Feb 2020 0.47% · 15 Apr 2020 0.50% · 16 Apr 2020 0.46% · 28 May 2020 0.59% · 23 Nov 2020 0.46%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Inmarsat PLC
closed 22 Aug 20192 disclosures · peak 0.50% · first 7 Aug 2019 · last 22 Aug 2019
7 Aug 2019 0.50% · 22 Aug 2019 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Lonmin PLC
closed 16 Nov 201819 disclosures · peak 0.92% · first 12 Mar 2018 · last 16 Nov 2018
12 Mar 2018 0.50% · 9 Apr 2018 0.62% · 18 Apr 2018 0.70% · 8 May 2018 0.92% · 15 May 2018 0.87% · 21 May 2018 0.90% · 22 May 2018 0.89% · 23 May 2018 0.90% · 25 May 2018 0.89% · 13 Jun 2018 0.90% · 6 Aug 2018 0.88% · 14 Aug 2018 0.90% · 3 Sep 2018 0.89% · 5 Sep 2018 0.79% · 20 Sep 2018 0.65% · 10 Oct 2018 0.59% · 15 Oct 2018 0.45% · 22 Oct 2018 0.50% · 16 Nov 2018 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Hurricane Energy
closed 15 Mar 20184 disclosures · peak 0.55% · first 25 Jan 2018 · last 15 Mar 2018
25 Jan 2018 0.51% · 14 Feb 2018 0.44% · 28 Feb 2018 0.55% · 15 Mar 2018 0.48%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
AMEC PLC
closed 12 Jul 20174 disclosures · peak 0.52% · first 13 Oct 2015 · last 12 Jul 2017
13 Oct 2015 0.52% · 21 Oct 2015 0.48% · 6 Jul 2017 0.51% · 12 Jul 2017 0.43%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Premier Oil PLC
closed 8 Dec 20156 disclosures · peak 0.60% · first 12 Nov 2015 · last 8 Dec 2015
12 Nov 2015 0.60% · 16 Nov 2015 0.49% · 18 Nov 2015 0.55% · 23 Nov 2015 0.60% · 3 Dec 2015 0.59% · 8 Dec 2015 0.46%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
PETRA DIAMONDS LIMITED
closed 3 Dec 20152 disclosures · peak 0.50% · first 25 Nov 2015 · last 3 Dec 2015
25 Nov 2015 0.50% · 3 Dec 2015 0.27%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
PAYSAFE GROUP PLC
closed 30 Nov 201521 disclosures · peak 1.02% · first 29 Jul 2015 · last 30 Nov 2015
29 Jul 2015 0.51% · 4 Aug 2015 0.60% · 10 Aug 2015 0.70% · 11 Aug 2015 0.67% · 12 Aug 2015 0.71% · 18 Aug 2015 0.81% · 20 Aug 2015 0.90% · 24 Aug 2015 1.02% · 26 Aug 2015 0.99% · 27 Aug 2015 1.01% · 1 Sep 2015 0.96% · 3 Sep 2015 0.86% · 10 Sep 2015 0.90% · 11 Sep 2015 0.89% · 5 Oct 2015 0.88% · 8 Oct 2015 0.79% · 16 Oct 2015 0.67% · 2 Nov 2015 0.55% · 4 Nov 2015 0.49% · 18 Nov 2015 0.51% · 30 Nov 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
GENEL ENERGY PLC
closed 26 Nov 201528 disclosures · peak 0.90% · first 4 Dec 2014 · last 26 Nov 2015
4 Dec 2014 0.50% · (4 further disclosures) · 6 Jan 2015 0.49% · 7 Jan 2015 0.50% · 27 Jan 2015 0.49% · 9 Feb 2015 0.50% · 23 Feb 2015 0.60% · 31 Mar 2015 0.71% · 9 Jun 2015 0.69% · 19 Jun 2015 0.59% · 15 Jul 2015 0.49% · 23 Jul 2015 0.50% · 4 Aug 2015 0.47% · 17 Aug 2015 0.50% · 24 Aug 2015 0.60% · 1 Sep 2015 0.71% · 8 Sep 2015 0.80% · 17 Sep 2015 0.90% · 2 Oct 2015 0.88% · 7 Oct 2015 0.73% · 8 Oct 2015 0.69% · 20 Oct 2015 0.58% · 5 Nov 2015 0.49% · 18 Nov 2015 0.51% · 26 Nov 2015 0.48%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
IMAGINATION TECH GROUP PLC
closed 18 Nov 201558 disclosures · peak 1.01% · first 16 Jul 2013 · last 18 Nov 2015
16 Jul 2013 0.50% · (34 further disclosures) · 2 Apr 2015 1.01% · 7 May 2015 0.99% · 18 May 2015 0.88% · 20 May 2015 0.77% · 29 May 2015 0.69% · 2 Jun 2015 0.72% · 25 Jun 2015 0.81% · 7 Jul 2015 0.79% · 13 Jul 2015 0.80% · 14 Jul 2015 0.76% · 20 Jul 2015 0.66% · 23 Jul 2015 0.71% · 29 Jul 2015 0.68% · 18 Aug 2015 0.57% · 20 Aug 2015 0.61% · 25 Aug 2015 0.70% · 30 Sep 2015 0.80% · 1 Oct 2015 0.78% · 8 Oct 2015 0.80% · 15 Oct 2015 0.78% · 20 Oct 2015 0.68% · 13 Nov 2015 0.55% · 18 Nov 2015 0.40%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
HUNTING PLC
closed 22 Oct 20158 disclosures · peak 0.70% · first 29 Jul 2015 · last 22 Oct 2015
29 Jul 2015 0.52% · 6 Aug 2015 0.60% · 18 Aug 2015 0.70% · 27 Aug 2015 0.62% · 1 Sep 2015 0.57% · 8 Sep 2015 0.60% · 9 Sep 2015 0.59% · 22 Oct 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
ASOS PLC
closed 9 Oct 201520 disclosures · peak 0.73% · first 7 May 2015 · last 9 Oct 2015
7 May 2015 0.50% · 22 May 2015 0.49% · 27 May 2015 0.50% · 10 Jun 2015 0.49% · 10 Jul 2015 0.52% · 14 Jul 2015 0.62% · 29 Jul 2015 0.71% · 4 Aug 2015 0.68% · 11 Aug 2015 0.59% · 12 Aug 2015 0.60% · 13 Aug 2015 0.57% · 24 Aug 2015 0.62% · 27 Aug 2015 0.58% · 2 Sep 2015 0.48% · 4 Sep 2015 0.52% · 11 Sep 2015 0.65% · 14 Sep 2015 0.73% · 2 Oct 2015 0.67% · 7 Oct 2015 0.55% · 9 Oct 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
SUPERDRY PLC
closed 29 Sep 20158 disclosures · peak 0.60% · first 1 Apr 2015 · last 29 Sep 2015
1 Apr 2015 0.51% · 23 Apr 2015 0.60% · 24 Apr 2015 0.59% · 11 May 2015 0.60% · 13 May 2015 0.58% · 22 May 2015 0.48% · 17 Sep 2015 0.50% · 29 Sep 2015 0.39%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Randgold Resources Ltd
closed 5 Aug 20152 disclosures · peak 0.51% · first 30 Jul 2015 · last 5 Aug 2015
30 Jul 2015 0.51% · 5 Aug 2015 0.48%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
ADMIRAL GROUP PLC
closed 4 Aug 20156 disclosures · peak 0.51% · first 28 May 2015 · last 4 Aug 2015
28 May 2015 0.50% · 11 Jun 2015 0.49% · 26 Jun 2015 0.51% · 29 Jun 2015 0.47% · 10 Jul 2015 0.50% · 4 Aug 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
AVEVA GROUP PLC
closed 20 Jul 20158 disclosures · peak 0.70% · first 18 Mar 2015 · last 20 Jul 2015
18 Mar 2015 0.50% · 16 Apr 2015 0.60% · 20 Apr 2015 0.58% · 22 May 2015 0.61% · 4 Jun 2015 0.70% · 12 Jun 2015 0.68% · 14 Jul 2015 0.59% · 20 Jul 2015 0.46%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
BALFOUR BEATTY PLC
closed 17 Jul 201522 disclosures · peak 0.71% · first 9 May 2014 · last 17 Jul 2015
9 May 2014 0.50% · 20 May 2014 0.60% · 10 Jun 2014 0.59% · 3 Jul 2014 0.48% · 14 Oct 2014 0.50% · 3 Nov 2014 0.60% · 11 Dec 2014 0.70% · 22 Dec 2014 0.69% · 1 Jan 2015 0.59% · 5 Jan 2015 0.60% · 12 Jan 2015 0.71% · 21 Jan 2015 0.69% · 4 Feb 2015 0.59% · 13 Feb 2015 0.60% · 24 Feb 2015 0.58% · 16 Mar 2015 0.60% · 27 Mar 2015 0.71% · 1 Apr 2015 0.68% · 10 Apr 2015 0.59% · 11 Jun 2015 0.48% · 1 Jul 2015 0.50% · 17 Jul 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
TATE & LYLE PUBLIC LIMITED COMPANY
closed 9 Jun 20154 disclosures · peak 0.52% · first 21 Apr 2015 · last 9 Jun 2015
21 Apr 2015 0.52% · 23 Apr 2015 0.49% · 26 May 2015 0.50% · 9 Jun 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Ladbrokes Coral Group PLC
closed 22 May 201537 disclosures · peak 0.90% · first 9 Oct 2013 · last 22 May 2015
9 Oct 2013 0.50% · (13 further disclosures) · 7 Mar 2014 0.59% · 28 Mar 2014 0.60% · 1 Apr 2014 0.59% · 16 Apr 2014 0.60% · 28 May 2014 0.71% · 9 Jun 2014 0.80% · 26 Jun 2014 0.90% · 27 Jun 2014 0.87% · 17 Jul 2014 0.78% · 1 Aug 2014 0.68% · 26 Aug 2014 0.70% · 17 Sep 2014 0.69% · 22 Oct 2014 0.70% · 23 Oct 2014 0.68% · 28 Oct 2014 0.70% · 2 Dec 2014 0.69% · 1 Jan 2015 0.49% · 8 Jan 2015 0.51% · 22 Jan 2015 0.49% · 29 Apr 2015 0.50% · 8 May 2015 0.61% · 19 May 2015 0.59% · 22 May 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
TULLOW OIL PLC
closed 7 May 20152 disclosures · peak 0.51% · first 22 Apr 2015 · last 7 May 2015
22 Apr 2015 0.51% · 7 May 2015 0.44%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
CENTAMIN PLC
closed 30 Apr 201523 disclosures · peak 1.15% · first 28 Oct 2014 · last 30 Apr 2015
28 Oct 2014 0.50% · 10 Nov 2014 0.60% · 14 Nov 2014 0.71% · 21 Nov 2014 0.81% · 2 Dec 2014 0.90% · 11 Dec 2014 0.89% · 15 Dec 2014 0.91% · 19 Dec 2014 1.15% · 30 Dec 2014 1.07% · 1 Jan 2015 0.92% · 5 Jan 2015 0.83% · 6 Jan 2015 0.76% · 26 Jan 2015 0.82% · 29 Jan 2015 0.90% · 4 Mar 2015 1.00% · 13 Mar 2015 0.99% · 24 Mar 2015 1.02% · 7 Apr 2015 0.94% · 8 Apr 2015 0.89% · 13 Apr 2015 0.76% · 16 Apr 2015 0.69% · 23 Apr 2015 0.59% · 30 Apr 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Ophir Energy PLC
closed 16 Apr 201517 disclosures · peak 1.10% · first 13 Oct 2014 · last 16 Apr 2015
13 Oct 2014 0.50% · 17 Oct 2014 0.60% · 24 Oct 2014 0.70% · 31 Oct 2014 0.80% · 13 Nov 2014 0.78% · 19 Nov 2014 0.80% · 27 Nov 2014 0.91% · 5 Dec 2014 1.01% · 16 Dec 2014 1.10% · 18 Dec 2014 1.08% · 1 Jan 2015 0.92% · 23 Jan 2015 0.89% · 4 Mar 2015 0.66% · 12 Mar 2015 0.70% · 25 Mar 2015 0.68% · 8 Apr 2015 0.59% · 16 Apr 2015 0.47%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
PETROFAC LTD
closed 7 Apr 20158 disclosures · peak 0.50% · first 20 Nov 2014 · last 7 Apr 2015
20 Nov 2014 0.50% · 24 Nov 2014 0.38% · 3 Dec 2014 0.50% · 1 Jan 2015 0.45% · 7 Jan 2015 0.50% · 15 Jan 2015 0.49% · 31 Mar 2015 0.50% · 7 Apr 2015 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
SERCO GROUP PLC
closed 26 Mar 201533 disclosures · peak 1.21% · first 27 May 2014 · last 26 Mar 2015
27 May 2014 0.54% · (9 further disclosures) · 16 Sep 2014 0.90% · 17 Sep 2014 0.88% · 23 Oct 2014 0.79% · 24 Oct 2014 0.80% · 30 Oct 2014 0.77% · 5 Nov 2014 0.68% · 10 Nov 2014 0.93% · 12 Nov 2014 1.04% · 14 Nov 2014 1.14% · 18 Nov 2014 1.21% · 19 Nov 2014 1.00% · 20 Nov 2014 0.98% · 1 Jan 2015 0.79% · 6 Jan 2015 0.80% · 20 Jan 2015 0.77% · 16 Feb 2015 0.80% · 9 Mar 2015 0.79% · 12 Mar 2015 0.91% · 13 Mar 2015 0.89% · 19 Mar 2015 0.73% · 20 Mar 2015 0.69% · 25 Mar 2015 0.52% · 26 Mar 2015 0.42%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
OCADO GROUP PLC
closed 1 Jan 201514 disclosures · peak 0.71% · first 3 Jun 2014 · last 1 Jan 2015
3 Jun 2014 0.50% · 12 Jun 2014 0.60% · 20 Jun 2014 0.71% · 3 Jul 2014 0.67% · 9 Jul 2014 0.71% · 30 Jul 2014 0.67% · 13 Aug 2014 0.57% · 21 Aug 2014 0.49% · 2 Sep 2014 0.50% · 9 Oct 2014 0.60% · 20 Oct 2014 0.59% · 5 Nov 2014 0.60% · 19 Dec 2014 0.59% · 1 Jan 2015 0.44%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
SPECTRIS PLC
closed 1 Jan 20152 disclosures · peak 0.50% · first 9 Dec 2014 · last 1 Jan 2015
9 Dec 2014 0.50% · 1 Jan 2015 0.42%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
WILLIAM HILL
closed 1 Jan 201512 disclosures · peak 0.60% · first 12 Jun 2014 · last 1 Jan 2015
12 Jun 2014 0.50% · 16 Jun 2014 0.49% · 17 Jun 2014 0.56% · 20 Jun 2014 0.45% · 27 Jun 2014 0.50% · 15 Aug 2014 0.60% · 3 Oct 2014 0.57% · 15 Oct 2014 0.60% · 20 Oct 2014 0.59% · 17 Nov 2014 0.60% · 24 Nov 2014 0.59% · 1 Jan 2015 0.45%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
BWIN.PARTY DIGITAL ENTERTAIN
closed 2 Dec 20144 disclosures · peak 0.52% · first 22 Nov 2013 · last 2 Dec 2014
22 Nov 2013 0.50% · 12 Dec 2013 0.48% · 3 Nov 2014 0.52% · 2 Dec 2014 0.46%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
UBM PLC
closed 30 Apr 20142 disclosures · peak 0.50% · first 19 Mar 2014 · last 30 Apr 2014
19 Mar 2014 0.50% · 30 Apr 2014 0.49%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Debenhams PLC
closed 28 Mar 20148 disclosures · peak 0.51% · first 24 Jan 2014 · last 28 Mar 2014
24 Jan 2014 0.50% · 27 Jan 2014 0.46% · 28 Jan 2014 0.51% · 3 Feb 2014 0.49% · 4 Feb 2014 0.51% · 13 Feb 2014 0.48% · 25 Mar 2014 0.51% · 28 Mar 2014 0.48%
The chain ends here: the register holds no later disclosure, which normally means the position fell back below 0.5%.
Frequently asked questions
- Which UK companies did BlueCrest Capital Management Limited short?
- The FCA's named register recorded BlueCrest Capital Management Limited against 30 UK companies between 2013 and 2026, across 390 disclosures. No position was still open when the register closed on 10 Jul 2026.
- Is this list current?
- No. It is a frozen archive. The FCA stopped publishing position-holder names on 13 July 2026 and now publishes one anonymous aggregate per company per day, so no new named UK disclosure exists after 10 Jul 2026. Today's UK figures are on each company's own page.
- Was this the whole of BlueCrest Capital Management Limited's UK short book?
- No. Only net short positions of 0.5% or more of a company's issued share capital were published with the holder's name. Smaller positions were reported to the FCA privately and never appeared in the register, so the archive is a floor, not a full book.
Source: the Financial Conduct Authority's daily short positions file, captured on 10 Jul 2026 from fca.org.uk and archived unchanged. Figures are as the FCA published them; this site is not affiliated with the FCA. Nothing here is investment advice.