Spirent Communications is a publicly owned multinational company headquartered in the UK. Founded in 1936, it employs approximately 2080 people and specializes in providing testing equipment and services for the telecommunications industry.
On September 19, 2025, Capula Investment Management LLP and Qube Research & Technologies Limited each made public opening position disclosures, indicating interests in relevant securities representing 1% or more, as per Rule 8.3 of the Takeover Code. A separate disclosure from Société Générale SA also revealed a similar interest in the company's securities. Man Group PLC also published its public opening position disclosure concerning its investment interests in the company's securities, representing at least 1% of relevant securities. These disclosures are required by regulatory frameworks.
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Spirent Communications's customers primarily consist of government Administration and telecoms services companies. Examples of Spirent Communications's customers include Telefonica and Ministry of Communication and Information Technology of the Republic of Indonesia. Spirent Communications has partners like Anritsu Corporation.
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