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Stock Pickers Regain Favor at Australian Pension on Index Risks

By Mark GrundellBloombergDecember 19, 2025 at 1:05 AMNeutral1 min read

UniSuper shifts from passive to active amid market concentration concerns

UniSuper's move signals a potential trend among large asset managers to re-evaluate passive strategies as market concentration in a few mega-cap stocks raises risks for diversified index funds. This could lead to a broader resurgence in active management.

What to watch next

Investors will be monitoring if other major pension funds follow UniSuper's lead in increasing active allocations.

Australian pension fundUniSuper, managing A$130 billion, is increasing its allocation to active stock pickers, moving away from passive index strategies. This shift is driven by concerns that rising market concentration, particularly in a few dominant tech stocks, poses higher risks to diversified index portfolios. The fund believes active management can better navigate these 'unusual times' and potentially generate alpha.

Australian superannuation giant UniSuper, overseeing a substantial A$130 billion in assets, is pivoting its investment strategy by allocating more capital to active stock pickers. This marks a notable departure from the prevailing trend of passive index investing that has dominated the industry for years. The fund's decision is predicated on growing concerns over increased market concentration, particularly within the technology sector, where a handful of dominant players exert outsized influence on overall index performance. For investors, this move underscores the potential vulnerabilities of broadly diversified passive portfolios in an environment where market gains are disproportionately driven by a few select companies. It suggests that the traditional advantages of passive investing – low costs and broad market exposure – may be increasingly offset by the risks associated with sector-specific and company-specific overvaluation. UniSuper believes that active managers are better positioned to navigate these 'unusual times' by selectively investing in opportunities that lie outside the narrow scope of index heavyweights. This approach aims to mitigate the risks of concentrated exposure while potentially generating alpha through astute stock selection. The fund anticipates that a more active stance will allow it to better protect and grow its members' capital amidst evolving market dynamics. This strategic shift by one of Australia's largest pension funds could signal a broader re-evaluation within the institutional investment community regarding the optimal balance between active and passive strategies, especially as central banks grapple with inflation and interest rate hikes. The industry will be closely watching whether other large pension funds

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