Uncovering Trusts by Edison Group
Aug 11, 2026 · 15 min · 9 segments
In this episode, Dr Arron Aatkar, director and analyst covering healthcare and investment companies at Edison, discusses Worldwide Healthcare Trust (WWH), a specialist trust investing across the…
Liam O'ByrneHostThe trust announced on 3rd of August that Trevor Polishchuk, previously co-portfolio manager, has become lead portfolio manager.
Jeff Hsu has been appointed co-portfolio manager alongside him, while Sven Borho has stepped down as manager with immediate effect.
Sven, who led WWH from its launch in 1995, has also said that he intends to step down as director of the trust in due course.

And after such a long period under Sven, how should investors think about continuity?
So the change is significant because Sven's tenure spans the trust's full history.
However, it is an internal transition that's all been made rather than a change of investment firm.
Jeff joined Orbamed in 2002, has been portfolio manager since 2005, and helps lead its public equity work in biotechnology and emerging markets.
The same wider Orbamed research platform remains in place, although investors should watch how responsibilities and portfolio positioning evolve under the new pairing.
The trust announced on 3rd of August that Trevor Polishchuk, previously co-portfolio manager, has become lead portfolio manager.
Jeff Hsu has been appointed co-portfolio manager alongside him, while Sven Borho has stepped down as manager with immediate effect.
Sven, who led WWH from its launch in 1995, has also said that he intends to step down as director of the trust in due course.

And after such a long period under Sven, how should investors think about continuity?
So the change is significant because Sven's tenure spans the trust's full history.
However, it is an internal transition that's all been made rather than a change of investment firm.
Jeff joined Orbamed in 2002, has been portfolio manager since 2005, and helps lead its public equity work in biotechnology and emerging markets.
The same wider Orbamed research platform remains in place, although investors should watch how responsibilities and portfolio positioning evolve under the new pairing.
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