Norway's Sovereign Wealth Fund Trims US Tech Exposure As Concentration Risk Climbs

Norway's Government Pension Fund Global, the world's largest sovereign wealth fund at roughly $1.85 trillion, has begun a measured reduction of its largest US technology holdings in response to growing concerns about index concentration and earnings risk in a small group of mega-cap names.

The fund's first-quarter equity disclosure shows allocations to its top six US technology positions falling by an aggregate 90 basis points relative to benchmark — the most pronounced single-quarter underweight Norges Bank Investment Management has applied to the segment in more than a decade. The reduction was implemented gradually and through scheduled rebalancing rather than discretionary trades, but the cumulative effect tells a clear strategic story.

NBIM's deputy CIO, in remarks accompanying the disclosure, framed the shift as risk management rather than a directional call. The fund's published rationale points to three specific concerns: index weights at multi-decade highs, earnings expectations that have moved meaningfully ahead of revenue trends, and a reflexivity in passive flows that NBIM's risk team views as a tail vulnerability rather than a base-case scenario.

The move has been read with interest by other large allocators. CalPERS, ABP, and OTPP have each made smaller but directionally similar adjustments over the past two quarters, while Singapore's GIC and Qatar's QIA have leaned the opposite way and added to mega-cap exposure on weakness. The dispersion across sovereign and pension money suggests that the consensus that built up around mega-cap tech over the past two years is fragmenting, not collapsing.

For Norway specifically, the rebalancing is also a domestic political signal. Storting committee scrutiny over the fund's concentration risk has intensified in recent quarters, and NBIM has historically responded to that scrutiny with quiet portfolio adjustments rather than public statements. The first-quarter disclosure looks like exactly that kind of measured response — visible enough to satisfy political stakeholders, modest enough to avoid telegraphing a thesis change.