Norway's $2 Trillion Wealth Fund Could Disappear, CEO Warns

The CEO of the world's largest sovereign wealth fund has issued a stark warning: the entire $2 trillion pool of Norwegian oil wealth could be lost. In a series of speeches and interviews throughout 2025 and 2026, Nicolai Tangen, the head of Norges Bank Investment Management (NBIM), outlined a series of grim scenarios that could devastate the fund. From an artificial intelligence bubble to a nuclear war, Tangen's risk register reads like a catastrophe catalog.

Tangen first raised the alarm in April 2025, identifying the splintering of the global economy as the single biggest threat to financial markets, a scenario that would bring low growth and higher inflation . By March 2026, after a conflict erupted in the Middle East, he warned that markets were displaying a dangerous combination of "resilience and complacency" . He then delivered his most direct warning in August 2026, stating clearly that under extreme stress-test scenarios, the fund's value could sustain an "unexpected heavy loss" and even "disappear altogether" .

"We are in an abnormal situation," Tangen said during a speech at a political conference in Arendal, southern Norway. "Financial markets kept rising despite challenges."

The Five Scenarios That Could Wipe Out the Fund

Tangen and his team at NBIM have modeled several catastrophic scenarios. Here are the specific risks and their estimated impacts.

1. The AI Bubble Burst: A 35% Hit

The convergence of an artificial intelligence bubble with geopolitical risks is the single greatest threat to global markets, according to Tangen . The fund has formally identified an AI bubble as a major risk scenario, where sky-high valuations in AI-related assets could correct sharply. If that bubble bursts, it could reduce the fund's value by roughly 35% .

2. Geopolitical Fragmentation: Up to 37% Loss

Tangen has repeatedly cited the decoupling or fragmentation of the global economy as the primary near-term risk . This scenario, driven by severe tariffs and global investment restrictions, would produce sluggish growth and higher inflation. In a worst-case scenario, it could wipe out as much as 37% of the fund's value .

3. Strait of Hormuz Closure: Oil Above $100

A de facto blockade of the Strait of Hormuz, triggered by the conflict in the Middle East, is one of two dominating negative scenarios Tangen has highlighted . Such a closure could push the price of oil past $100 per barrel, rekindle inflation, and severely disrupt global supply chains .

4. Bioterrorism: The Fund Becomes 'Quite Worthless'

In an interview, Tangen identified a large-scale bioterrorism attack as a plausible event that could render the fund "quite worthless" . This scenario, along with the potential for nuclear war, represents the most extreme end of his risk spectrum.

5. Nuclear War

Tangen has also listed a nuclear war as a catastrophic event that would make the fund's value irrelevant .

Why the Fund is Vulnerable

Norway's Government Pension Fund Global, as it is formally known, holds assets in over 9,000 companies across 70 countries. Its sheer size — over $2 trillion — makes it a mirror of the global economy. Tangen points out that markets have been rising despite significant challenges, which he sees as a sign of complacency . The fund's first quarter of 2026 already saw a loss of 636 billion Norwegian crowns (approximately $68.61 billion), a negative return of 1.9%, largely due to the Middle East conflict .

Tangen's job is not just to invest but to warn the Norwegian public. "We just want to warn again that this will not last forever," he told media in early 2025 .

A Grim Table of Risks

Scenario	Estimated Impact on Fund
AI bubble bursting	~35% loss of value
Geopolitical fragmentation / stagflation	Up to 37% loss
Strait of Hormuz closure / oil shock	Sustained inflation, supply chain disruption
Bioterrorism or nuclear war	Fund could become "quite worthless"
Stress-test extreme scenario	Entire $2 trillion value could be lost

Tangen's warnings underscore a fundamental truth for the world's largest investor: past performance is no guarantee of future returns. In a fragmented world, even a $2 trillion safety net has its limits.