Serco Group PLC

Short position disclosed on October 14, 2026.

0.52% of the capital sold short

? funds not named

547 disclosures on record

GB0007973794 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%0.25%0.5%0.75%1%

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 9.97% on February 25, 2016. 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		0.52%	new	October 14, 2026

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

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History of disclosures

547 disclosures on record for this share.
Date	Fund	% of capital
April 17, 2015	Blackrock Institutional Trust Company, National Association	0.48%
April 17, 2015	Marshall Wace LLP	0.26%
April 17, 2015	Oxford Asset Management	0.26%
April 16, 2015	Cigogne Management	0.40%
April 15, 2015	AQR Capital Management, LLC	1.40%
April 15, 2015	Blackrock Institutional Trust Company, National Association	0.59%
April 15, 2015	Oxford Asset Management	0.51%
April 14, 2015	Cigogne Management	0.53%
April 13, 2015	Marshall Wace LLP	1.60%
April 8, 2015	Blackrock Investment Management (UK) Limited	1.30%
April 2, 2015	Marshall Wace LLP	1.54%
April 2, 2015	AQR Capital Management, LLC	1.31%
April 1, 2015	Blackrock Investment Management (UK) Limited	1.28%
March 31, 2015	AQR Capital Management, LLC	2.57%
March 31, 2015	Marshall Wace LLP	1.41%
March 30, 2015	Blackrock Investment Management (UK) Limited	1.09%
March 27, 2015	Marshall Wace LLP	1.30%
March 27, 2015	Blackrock Investment Management (UK) Limited	1.18%
March 26, 2015	AQR Capital Management, LLC	1.31%
March 26, 2015	Marshall Wace LLP	1.25%
March 26, 2015	Bluecrest Capital Management Limited	0.42%
March 25, 2015	Bluecrest Capital Management Limited	0.52%
March 23, 2015	Marshall Wace LLP	1.12%
March 20, 2015	Bluecrest Capital Management Limited	0.69%
March 19, 2015	Marshall Wace LLP	1.04%
March 19, 2015	Bluecrest Capital Management Limited	0.73%
March 18, 2015	Altair Investment Management Limited	1.27%
March 17, 2015	Altair Investment Management Limited	0.95%
March 17, 2015	Marshall Wace LLP	0.94%
March 16, 2015	Altair Investment Management Limited	0.59%
March 13, 2015	Bluecrest Capital Management Limited	0.89%
March 13, 2015	Marshall Wace LLP	0.80%
March 12, 2015	Blackrock Investment Management (UK) Limited	1.29%
March 12, 2015	Bluecrest Capital Management Limited	0.91%
March 10, 2015	Marshall Wace LLP	0.77%
March 9, 2015	Bluecrest Capital Management Limited	0.79%
March 6, 2015	Blackrock Institutional Trust Company, National Association	0.60%
March 4, 2015	Marshall Wace LLP	0.81%
March 3, 2015	Marshall Wace LLP	0.79%
February 27, 2015	Blackrock Investment Management (UK) Limited	1.30%
February 26, 2015	Jpmorgan Asset Management (UK) LTD	1.44%
February 24, 2015	Marshall Wace LLP	0.80%
February 24, 2015	TT International	0.41%
February 20, 2015	Marshall Wace LLP	0.79%
February 16, 2015	Bluecrest Capital Management Limited	0.80%
February 11, 2015	Blackrock Institutional Trust Company, National Association	0.59%
February 10, 2015	Marshall Wace LLP	0.86%
February 10, 2015	Blackrock Institutional Trust Company, National Association	0.60%
February 9, 2015	AQR Capital Management, LLC	1.27%
February 9, 2015	Marshall Wace LLP	0.92%

Download 547 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

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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, Serco Group PLC, source FCA, data as at October 14, 2026, https://www.quivad.com/action/serco-group-plc?page=7