How much of Costain Group PLC is sold short?

1.66% of the share capital, #157 of 339 in the United Kingdom.

Since when has Costain Group PLC been shorted?

Oldest open position: October 30, 2026. 83 disclosures since 2012.

How often is the short interest in Costain Group PLC updated?

Every day. FCA register read on November 3, 2026, latest disclosure on October 30, 2026.

Home / United Kingdom / Costain Group PLC

Costain Group PLC

Short position disclosed on October 30, 2026. FCA register read on November 3, 2026.

1.66% of the capital sold short

#157 of 339 rank in the United Kingdom

0.00 pt over 5 days

+0.26 pt over 20 days

? funds not named

83 disclosures on record

GB00B64NSP76 ISIN code

Since 13 July 2026 this regulator publishes an aggregated total per company and no longer names the funds. Positions disclosed before that date remain nominative.

Evolution of the disclosed total

0%0.5%1%1.5%2%

2025-13-01Apr 2026Jul 2026Oct 2026

Sum of open short positions, as % of capital. Hover or tap the curve to see which funds make it up.

Over the whole history, the total peaked at 4.64% on March 11, 2014. The shaded band matches the twelve months of the first chart.

November 1, 2012 today

Open positions

The funds disclosing a short position that is still open.
Fund	Twelve months	% of capital	Over the year	Since
Aggregated total		1.66%	new	October 30, 2026

In the United States CSGQF (OTC): 1 shares sold short on October 15, 2026. FINRA names no fund.

On the other side: the funds that hold Costain Group PLC Titelia

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History of disclosures

83 disclosures on record for this share.
Date	Fund	% of capital	End of publication
October 30, 2026	Aggregated total	1.66%	still open
October 28, 2026	Aggregated total	1.67%	October 30, 2026
October 23, 2026	Aggregated total	1.70%	October 28, 2026
October 16, 2026	Aggregated total	1.60%	October 23, 2026
October 14, 2026	Aggregated total	1.40%	October 16, 2026
October 12, 2026	Aggregated total	1.30%	October 14, 2026
October 7, 2026	Aggregated total	1.21%	October 12, 2026
October 1, 2026	Aggregated total	1.10%	October 7, 2026
September 30, 2026	Aggregated total	1.00%	October 1, 2026
September 23, 2026	Aggregated total	0.80%	September 30, 2026
September 22, 2026	Aggregated total	0.79%	September 23, 2026
September 16, 2026	Aggregated total	0.80%	September 22, 2026
September 8, 2026	Aggregated total	0.71%	September 16, 2026
August 25, 2026	Aggregated total	0.69%	September 8, 2026
August 18, 2026	Aggregated total	0.70%	August 25, 2026
August 14, 2026	Aggregated total	0.69%	August 18, 2026
July 29, 2026	Aggregated total	0.79%	August 14, 2026
July 10, 2026	Aggregated total	0.80%	July 29, 2026
May 29, 2020	Lombard Odier Asset Management (europe) Limited	0.00%
May 13, 2020	Lombard Odier Asset Management (europe) Limited	0.58%
March 17, 2020	Squarepoint OPS LLC	0.48%
March 16, 2020	Jpmorgan Asset Management (UK) LTD	0.48%
March 12, 2020	Squarepoint OPS LLC	0.52%
January 13, 2020	Jpmorgan Asset Management (UK) LTD	0.50%
November 26, 2019	Millennium International Management LP	0.00%
November 25, 2019	Millennium International Management LP	0.51%
September 18, 2014	Blackrock Investment Management (UK) Limited	0.49%
August 26, 2014	Blackrock Investment Management (UK) Limited	0.58%
August 15, 2014	Blackrock Investment Management (UK) Limited	0.69%
June 20, 2014	Blackrock Investment Management (UK) Limited	0.79%
June 3, 2014	Alphagen Capital Limited	0.46%
May 28, 2014	Alphagen Capital Limited	0.52%
May 27, 2014	Alphagen Capital Limited	0.69%
May 20, 2014	Alphagen Capital Limited	0.70%
May 13, 2014	Blackrock Investment Management (UK) Limited	0.89%
May 13, 2014	Alphagen Capital Limited	0.67%
May 12, 2014	Alphagen Capital Limited	0.81%
May 6, 2014	Blackrock Investment Management (UK) Limited	0.96%
April 29, 2014	Alphagen Capital Limited	0.73%
April 15, 2014	Alphagen Capital Limited	0.61%
April 7, 2014	Alphagen Capital Limited	0.51%
April 4, 2014	Alphagen Capital Limited	0.47%
April 1, 2014	Alphagen Capital Limited	0.64%
March 31, 2014	Alphagen Capital Limited	1.13%
March 27, 2014	Alphagen Capital Limited	1.08%
March 26, 2014	Alphagen Capital Limited	1.10%
March 21, 2014	Alphagen Capital Limited	1.09%
March 19, 2014	Alphagen Capital Limited	1.19%
March 18, 2014	Blackrock Investment Management (UK) Limited	0.78%
March 17, 2014	Alphagen Capital Limited	0.68%

Download 83 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in the United Kingdom

Ceres Power Holdings PLC 18.71% of the capital sold short
Yellow Cake PLC 16.39% of the capital sold short
Ibstock PLC 13.82% of the capital sold short
Vistry Group PLC 12.94% of the capital sold short
Breedon Group Plc 12.37% of the capital sold short
Crest Nicholson Holdings PLC 12.24% of the capital sold short
WH Smith PLC 12.24% of the capital sold short
Rightmove PLC 10.90% of the capital sold short
Weir Group Plc(The) 10.48% of the capital sold short
Chemring Group PLC 10.39% of the capital sold short
Capita PLC 10.36% of the capital sold short
Ocado Group PLC 10.24% of the capital sold short

Cite this page

The figure comes from the regulator register, not from this site. Quoting both lets your reader check it.

QuiVad, Costain Group PLC, source FCA, data as at October 30, 2026, https://www.quivad.com/action/costain-group-plc

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