Spirent Communications plc

Last updated at 01 September 2026, 07:30 UTC from FCA

Active Short

0.0%

Active Short Value

N/A

Industry

Technology Equipment

As of 13 July 2026, the UK Financial Conduct Authority (FCA) no longer publishes individual net short position disclosures following changes to its reporting rules. Consequently, we display individual position holders prior to 13 July and the aggregated anonymous positions after this date. Read more about the changes here

Active Positions

Holder Short %

Historic Positions

Date Holder Short
2025-09-25 Bg Master Fund Plc 0.52%
2025-01-09 Brookdale International Partners, L.P. And Brookdale Global Opportunity Fund 0.49%
2025-01-07 Brookdale International Partners, L.P. And Brookdale Global Opportunity Fund 0.52%
2023-10-04 Jpmorgan Asset Management (Uk) Ltd 0.20%
2023-08-03 Jpmorgan Asset Management (Uk) Ltd 0.63%
2020-01-13 Marshall Wace Llp 0.49%
2020-01-08 Marshall Wace Llp 0.52%
2016-04-25 Ardevora Asset Management Llp 0.00%
2016-03-09 Jpmorgan Asset Management (Uk) Ltd 0.48%
2016-02-25 Jpmorgan Asset Management (Uk) Ltd 0.56%
2016-02-04 Ardevora Asset Management Llp 0.50%
2016-01-29 Blackrock Investment Management (Uk) Limited 0.47%
2016-01-19 Blackrock Investment Management (Uk) Limited 0.58%
2015-10-08 Jpmorgan Asset Management (Uk) Ltd 0.69%
2015-09-18 Blackrock Investment Management (Uk) Limited 0.60%
2015-09-08 Blackrock Investment Management (Uk) Limited 0.50%
2015-09-08 Jpmorgan Asset Management (Uk) Ltd 0.75%
2015-08-05 Jpmorgan Asset Management (Uk) Ltd 0.69%
2014-10-16 Ardevora Asset Management Llp 0.00%
2014-10-14 Ardevora Asset Management Llp 0.66%
2014-10-13 Ardevora Asset Management Llp 0.78%
2014-09-30 Gmt Capital Corp 0.35%
2014-09-19 Gmt Capital Corp 0.60%
2014-09-12 Gmt Capital Corp 0.73%
2014-08-28 Ardevora Asset Management Llp 0.85%
2014-08-26 Gmt Capital Corp 0.88%
2014-08-18 Gmt Capital Corp 0.96%
2014-07-24 Ardevora Asset Management Llp 0.79%
2014-07-23 Ardevora Asset Management Llp 0.86%
2014-07-15 Gmt Capital Corp 1.07%
2014-07-14 Gmt Capital Corp 1.11%
2014-07-11 Gmt Capital Corp 1.22%
2014-06-25 Societe Generale International Limited 0.00%
2014-05-16 Gmt Capital Corp 1.36%
2014-05-06 Gmt Capital Corp 1.46%
2014-05-02 Ardevora Asset Management Llp 0.91%
2014-05-02 Societe Generale International Limited 0.91%
2014-05-01 Ardevora Asset Management Llp 0.81%
2014-05-01 Societe Generale International Limited 0.81%
2014-04-29 Ardevora Asset Management Llp 0.75%
2014-04-29 Societe Generale International Limited 0.75%
2014-04-07 Ardevora Asset Management Llp 0.81%
2014-04-07 Societe Generale International Limited 0.81%
2014-02-25 Blackrock Institutional Trust Company, National Association 0.49%
2014-02-20 Blackrock Institutional Trust Company, National Association 0.59%
2014-02-17 Blackrock Institutional Trust Company, National Association 0.89%
2014-02-12 Blackrock Institutional Trust Company, National Association 0.94%
2014-02-11 Jpmorgan Asset Management (Uk) Ltd 0.43%
2014-01-27 Ardevora Asset Management Llp 0.68%
2014-01-27 Blackrock Institutional Trust Company, National Association 1.19%
2014-01-27 Jpmorgan Asset Management (Uk) Ltd 0.69%
2014-01-27 Societe Generale International Limited 0.72%
2014-01-17 Ardevora Asset Management Llp 0.60%
2014-01-17 Societe Generale International Limited 0.60%
2014-01-15 Blackrock Institutional Trust Company, National Association 1.20%
2014-01-10 Gmt Capital Corp 1.50%
2014-01-09 Jpmorgan Asset Management (Uk) Ltd 0.82%
2014-01-07 Blackrock Institutional Trust Company, National Association 1.15%
2013-12-20 Gmt Capital Corp 1.41%
2013-12-20 Jpmorgan Asset Management (Uk) Ltd 0.56%
2013-12-17 Blackrock Institutional Trust Company, National Association 1.29%
2013-12-13 Gmt Capital Corp 1.30%
2013-12-12 Blackrock Institutional Trust Company, National Association 1.49%
2013-12-06 Blackrock Institutional Trust Company, National Association 1.50%
2013-12-06 Societe Generale International Limited 0.55%
2013-12-05 Ardevora Asset Management Llp 0.55%
2013-12-03 Blackrock Institutional Trust Company, National Association 1.40%
2013-11-29 Gmt Capital Corp 1.12%
2013-11-19 Blackrock Institutional Trust Company, National Association 1.30%
2013-11-14 Gmt Capital Corp 0.73%
2013-11-12 Blackrock Institutional Trust Company, National Association 1.41%
2013-11-12 Gmt Capital Corp 0.61%
2013-11-06 Blackrock Institutional Trust Company, National Association 1.31%
2013-10-31 Blackrock Institutional Trust Company, National Association 1.22%
2013-10-29 Blackrock Institutional Trust Company, National Association 1.14%
2013-10-22 Blackrock Institutional Trust Company, National Association 1.01%
2013-10-17 Blackrock Institutional Trust Company, National Association 0.99%
2013-10-16 Saemor Capital B.V. 0.49%
2013-10-09 Saemor Capital B.V. 0.53%
2013-09-17 Blackrock Institutional Trust Company, National Association 1.02%
2013-09-05 Blackrock Institutional Trust Company, National Association 0.91%
2013-08-28 Blackrock Institutional Trust Company, National Association 0.83%
2013-08-14 Blackrock Institutional Trust Company, National Association 0.71%
2013-08-13 Saemor Capital B.V. 0.63%
2013-08-07 Blackrock Institutional Trust Company, National Association 0.60%
2013-08-07 Jpmorgan Asset Management (Uk) Ltd 0.63%
2013-08-06 Blackrock Institutional Trust Company, National Association 0.53%
2013-08-05 Jpmorgan Asset Management (Uk) Ltd 0.76%
2013-08-02 Jpmorgan Asset Management (Uk) Ltd 0.83%
2013-08-01 Jpmorgan Asset Management (Uk) Ltd 0.91%
2013-07-23 Blackrock Institutional Trust Company, National Association 0.49%
2013-07-17 Blackrock Institutional Trust Company, National Association 0.58%
2013-07-08 Blackrock Institutional Trust Company, National Association 0.67%
2013-07-04 Jpmorgan Asset Management (Uk) Ltd 1.03%
2013-07-03 Jpmorgan Asset Management (Uk) Ltd 0.96%
2013-06-27 Blackrock Institutional Trust Company, National Association 0.71%
2013-06-26 Blackrock Institutional Trust Company, National Association 0.68%
2013-06-25 Blackrock Institutional Trust Company, National Association 0.56%
2013-06-07 Saemor Capital B.V. 0.71%
2013-05-22 Blackrock Institutional Trust Company, National Association 0.45%
2013-05-21 Blackrock Institutional Trust Company, National Association 0.57%
2013-05-17 Saemor Capital B.V. 0.63%
2013-05-16 Jpmorgan Asset Management (Uk) Ltd 0.85%
2013-05-14 Jpmorgan Asset Management (Uk) Ltd 0.62%
2013-05-09 Saemor Capital B.V. 0.53%
2013-04-25 Jpmorgan Asset Management (Uk) Ltd 0.55%
2013-04-24 Blackrock Institutional Trust Company, National Association 0.62%
2013-04-24 Jpmorgan Asset Management (Uk) Ltd 0.62%
2013-04-23 Blackrock Institutional Trust Company, National Association 0.54%
2013-04-10 Blackrock Institutional Trust Company, National Association 0.45%
2013-04-02 Blackrock Institutional Trust Company, National Association 0.57%
2013-02-28 Jpmorgan Asset Management (Uk) Ltd 0.71%
2013-02-18 Blackrock Institutional Trust Company, National Association 0.67%
2013-02-01 Blackrock Institutional Trust Company, National Association 0.70%
2013-01-21 Jpmorgan Asset Management (Uk) Ltd 0.52%
2012-12-19 Jpmorgan Asset Management (Uk) Ltd 0.48%
2012-11-30 Jpmorgan Asset Management (Uk) Ltd 0.52%
2012-11-21 Blackrock Institutional Trust Company, National Association 0.62%
2012-11-13 Blackrock Institutional Trust Company, National Association 0.50%
2012-11-08 Glg Partners Lp 0.36%
2012-11-01 Glg Partners Lp 0.67%
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