Substantial Shareholders* % Held
Ameriprise Financial, Inc.  15.99
Aviva plc  8.06
Standard Life Investments Ltd 5.29
BlackRock, Inc  5.06
AXA Investment Managers SA  4.99
Brandes Investment Partners (various clients) 4.99
Franklin Templeton Fund Management Limited  4.99
Prudential plc  4.98
Aberforth Partners  4.96
Neptune Investment Management Ltd  4.87
Artemis Investment Management Limited 4.77
Schroders plc  4.41
PrimeStone Capital LLP  4.29
Teleois Capital Partners LLC  4.03
Sun Life Assurance Company of Canada (UK) Ltd 3.82
Norges Bank   3.07
Kames Capital (fka Global AEGON Asset Management Group)  3.03


*At 10 June 2020 Spirent had been notified of the following significant interest in its Ordinary Shares pursuant to Disclosure and Transparency Rule 5.