Norway's $2.3 trillion sovereign wealth fund, the Government Pension Fund Global, has proposed reducing its holdings of US government debt from 34.1 percent to 21.9 percent of its fixed income portfolio.
Management at Norges Bank Investment Management, which oversees the fund on behalf of the Norwegian state, submitted the proposal to Norway's Minister of Finance. The plan recommends reducing the overall proportion of sovereign bonds in the fund's fixed income portfolio from 70 percent to 50 percent.
CNBC reported that fund managers believe a 50 percent target provides sufficient liquidity during periods of severe market turmoil while creating space to pursue higher returns from other asset classes.
Sovereign wealth funds are state-owned investment vehicles that manage national financial reserves, typically accumulated from commodity exports or trade surpluses. Norges Bank Investment Management operates as a specialized asset management unit within Norges Bank, the central bank of Norway.
Redistributing global sovereign bond allocations
Under the proposed restructuring, the fund's exposure to Eurozone government debt would also decrease, falling from 16.8 percent to 14.1 percent. In contrast, holdings of Japanese government bonds would rise from 4.6 percent to 7.4 percent.
Norges Bank Investment Management also proposed a fundamental change in how government debt investments are weighted within the portfolio. Rather than allocating capital based on national gross domestic product, the manager wants future weightings determined by total bond market value.
Fund leadership noted that this change is driven by the growing strain on public finances across nearly all developed economies. In global fixed income benchmarks, market value weighting measures the total value of outstanding debt issued by a government rather than the size of its domestic economy.
US Treasuries are government debt obligations issued by the United States Department of the Treasury to finance federal government operations. They are widely regarded in international finance as a primary benchmark asset and standard liquidity reserve for central banks and institutional investors worldwide.
Expanding corporate debt and mortgage securities
Alongside the reduction in government bonds, Norges Bank Investment Management plans to increase the fund's exposure to non-sovereign US debt, including corporate bonds. The share of non-sovereign debt within the fixed income portfolio could rise from 16.2 percent to 27.6 percent.
Mortgage-backed securities form another central element of the restructuring proposal. Norges Bank Investment Management management argued that these instruments, which became notorious during the 2008 global financial crisis, can serve as an effective diversification tool for long-term institutional investors.
Mortgage-backed securities are financial assets created by bundling residential or commercial home loans into tradeable debt instruments. Fund managers noted that during periods of financial stress, price movements in mortgage-backed securities can diverge from equities, providing an extra buffer against market volatility with characteristics closer to government bonds than corporate paper.
Nicolai Tangen, the chief executive officer of Norges Bank Investment Management, and Ida Wolden Bache, the governor of Norges Bank, estimated that broader diversification into higher-risk assets can deliver improved return premiums for an investor with a long-term investment horizon.
Market warnings and rising US borrowing costs
The Norwegian proposal arrives during a challenging period for US government debt markets. Yields on long-term American sovereign bonds have climbed to multi-year highs as global investors express growing concern over the fiscal trajectory and rapid expansion of federal debt in the United States.
Economist Mohamed El-Erian emphasized the significance of the move, noting today that its primary impact lies in the signal it sends to global markets. Traditional and reliable buyers of US debt, including Japan, China, and nations in the Gulf region, are currently operating under financial pressure.
Addressing the specific impact of Norway's decision, El-Erian said the size of the proposed reduction is not large enough on its own to reshape market fundamentals. However, he stressed that when a major, long-established institutional investor reduces its US Treasury exposure, it provides another clear signal of shifting behavior among key debt purchasers.
Fund background and technology sector risks
The Government Pension Fund Global was established in 1998 to invest Norway's petroleum revenues, transforming non-renewable oil and gas wealth into a permanent financial asset for the nation. Over the past quarter-century, it has grown into the world's largest sovereign wealth fund.
The fund currently holds approximately $1.65 trillion in equities, representing about 1.5 percent of all publicly listed companies globally. It also maintains approximately $592 billion in fixed income holdings.
In recent quarters, the fund achieved strong performance figures, driven largely by substantial investments in major technology corporations across North America and Asia. Returns were significantly boosted by companies benefiting from rapid growth in artificial intelligence and semiconductor manufacturing.
However, fund management has cautioned that such exceptional returns cannot be sustained indefinitely, particularly if global financial markets experience a broad downturn.
The portfolio's sensitivity to market shocks was demonstrated in a recent stress test conducted by Norges Bank Investment Management. The simulation showed that a severe valuation correction in artificial intelligence stocks could result in fund losses of approximately $740 billion, representing a decline of roughly 35 percent in total fund value.
