Norway’s $2.3 trillion wealth fund proposes $106B cut to global government bonds allocation
The world's largest sovereign wealth fund wants to slash its government bond weighting from 70% to 50%, with US Treasuries taking the biggest hit
Norway’s Government Pension Fund Global, the largest sovereign wealth fund on the planet at roughly $2.3 trillion in assets, has proposed cutting approximately $106 billion from its global government bond holdings. The bulk of that reduction would come from US Treasuries.
The fund’s investment manager, Norges Bank Investment Management (NBIM), laid out the plan in a letter dated September 1, 2026, addressed to Norway’s Ministry of Finance.
What the fund actually wants to do
The core proposal is straightforward: reduce the government bond weighting within the fund’s bond benchmark from 70% down to 50%. That 20-percentage-point drop translates into the roughly $106 billion figure, with the freed-up capital flowing toward higher-yielding non-government fixed income like corporate bonds and mortgage-backed securities.
Fixed income currently accounts for about 26% of the fund’s total portfolio. Within that slice, non-government bonds would jump from 16.2% to 27.6% of the bond index under the new framework.
US Treasuries would absorb the most pain. The fund’s allocation to Treasuries within its government bond sub-index would fall from 34.1% to 21.9%. In dollar terms, that implies a potential reduction of $75 billion to $80 billion in US government debt holdings alone.
The proposal also includes a technical but important change in how government bond weightings are calculated. NBIM wants to measure them by market value rather than GDP. The reasoning is practical: as sovereign debt levels balloon worldwide, a GDP-based weighting increasingly overstates the relative importance of countries with smaller debt markets and understates those issuing the most bonds.
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The fund plans to align its benchmarks more closely with broader indices like the Bloomberg Global Aggregate Index, pulling in a wider range of bond types including agency MBS and government-related bonds.
Why now, and why it matters
The timing is not accidental. In the US alone, 10-year Treasury yields exceeded 4.75% in early September 2026. NBIM’s letter explicitly frames the proposal as a response to these dynamics. Rising sovereign debt levels make a GDP-weighted benchmark increasingly awkward, essentially forcing the fund to buy more bonds from the governments issuing the most debt. Switching to market-value weighting and reducing the overall government bond allocation is a way to sidestep that trap.
The plan still requires political endorsement from Norway’s Ministry of Finance, and NBIM has signaled that any execution would happen gradually.
Ripple effects across fixed income
The fund’s proposed reduction of $75 billion to $80 billion in Treasury holdings represents a non-trivial chunk of demand disappearing from a market that is simultaneously dealing with record-setting issuance from the US government.
On the flip side, corporate bond and MBS markets could see a meaningful demand boost. If GPFG redirects tens of billions toward these asset classes, spreads could tighten, making borrowing cheaper for corporations and potentially supporting housing markets through lower mortgage rates.