Porvair PLC

GB0006963689 Short position disclosed on July 21, 2026.

0.20% of the capital sold short

? funds not named

37 disclosures on record

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

Sum of open short positions, as % of capital. From July 5, 2017 to July 21, 2026, peak 3.06%.

Open positions

The funds disclosing a short position that is still open.
Fund	% of capital	Since
Aggregated total	0.20%	July 21, 2026

History of disclosures

37 disclosures on record for this share.
Date	Fund	% of capital	End of publication
July 21, 2026	Aggregated total	0.20%	still open
June 9, 2026	Aggregated total	0.29%	July 21, 2026
September 3, 2021	Jupiter Investment Management Limited	0.30%	still open
August 31, 2021	Jupiter Investment Management Limited	0.53%	still open
August 6, 2021	Jupiter Investment Management Limited	0.94%	still open
July 19, 2021	Jupiter Investment Management Limited	1.01%	still open
July 5, 2021	Jupiter Investment Management Limited	1.36%	still open
February 28, 2020	Jupiter Investment Management Limited	1.48%	still open
February 28, 2020	Merian Global Investors (UK) Limited	1.48%	February 28, 2020
February 26, 2020	Jupiter Investment Management Limited	1.53%	still open
February 26, 2020	Merian Global Investors (UK) Limited	1.53%	still open
October 14, 2019	Merian Global Investors (UK) Limited	2.19%	still open
October 11, 2019	Merian Global Investors (UK) Limited	2.25%	still open
October 10, 2019	Merian Global Investors (UK) Limited	2.47%	still open
October 9, 2019	Merian Global Investors (UK) Limited	2.57%	still open
October 7, 2019	Merian Global Investors (UK) Limited	2.68%	still open
October 3, 2019	Merian Global Investors (UK) Limited	2.76%	still open
September 27, 2019	Merian Global Investors (UK) Limited	2.89%	still open
February 4, 2019	Merian Global Investors (UK) Limited	2.77%	still open
February 1, 2019	Merian Global Investors (UK) Limited	2.64%	still open
January 31, 2019	Merian Global Investors (UK) Limited	2.53%	still open
January 29, 2019	Merian Global Investors (UK) Limited	2.42%	still open
January 21, 2019	Merian Global Investors (UK) Limited	2.39%	still open
January 10, 2019	Merian Global Investors (UK) Limited	2.12%	still open
December 3, 2018	Merian Global Investors (UK) Limited	2.00%	still open
November 29, 2018	Merian Global Investors (UK) Limited	1.93%	still open
June 13, 2018	Merian Global Investors (UK) Limited	1.80%	still open
May 10, 2018	Merian Global Investors (UK) Limited	1.71%	still open
May 1, 2018	Merian Global Investors (UK) Limited	1.58%	still open
April 30, 2018	Merian Global Investors (UK) Limited	1.47%	still open
March 13, 2018	Merian Global Investors (UK) Limited	1.23%	still open
March 6, 2018	Merian Global Investors (UK) Limited	1.19%	still open
February 23, 2018	Merian Global Investors (UK) Limited	1.01%	still open
December 19, 2017	Merian Global Investors (UK) Limited	0.81%	still open
December 7, 2017	Merian Global Investors (UK) Limited	1.02%	still open
July 13, 2017	Merian Global Investors (UK) Limited	1.15%	still open
July 5, 2017	Merian Global Investors (UK) Limited	0.67%	still open

Other companies sold short in the United Kingdom

Ibstock PLC 20.56% of the capital sold short
Vistry Group PLC 18.78% of the capital sold short
Capita PLC 14.01% of the capital sold short
Ocado Group PLC 13.16% of the capital sold short
WH Smith PLC 12.60% of the capital sold short
Wizz Air Holdings PLC 11.49% of the capital sold short
Crest Nicholson Holdings PLC 11.05% of the capital sold short
Chemring Group PLC 10.46% of the capital sold short
Ceres Power Holdings PLC 10.45% of the capital sold short
Pinewood Technologies Group Plc 10.18% of the capital sold short
Domino's Pizza Group PLC 9.95% of the capital sold short
Breedon Group Plc 9.74% of the capital sold short