Figures from the AIC show that 45% of investment trusts have now had the same manager for at least a decade, with a select few having been in charge for a quarter century.
Almost one fifth of investment trusts have changed managers in the last 18 months as a result of retirements, departures and greater board scrutiny, according to the Association of Investment Companies (AIC).
Investment trust sales on adviser platforms reached a record high in the first quarter of 2015.
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Transact has partnered with Octopus Investments to become the first platform to offer venture capital trusts (VCTs) following the introduction of new legislation.
Global trusts attracted the highest level of interest on the Association of Investment Companies'(AIC) website in the first quarter of this year.
The majority of investment trusts have seen their discounts widen in 2015 despite equity markets reaching record highs, leaving analysts perplexed.
Witan investment trust has become the tenth investment trust to grow its annual dividend for 40 consecutive years, according to the Association of Investment Companies.