AlphaMaven AlphaMaven

Manchester and London slumped 25% in AI carnage caused by near collapse of Situational Awareness hedge fund

Reported by Quoteddata
Sep 24, 2026· 3 min read
Save Post LinkedIn Email
Key Takeaways
  • • Manchester and London (MNL), a £376m technology investment trust, suffered a 25% portfolio decline for its financial year ending 31 July 2026, driven by the near-collapse of Leopold Aschenbrenner's Situational Awareness AI hedge fund, which lost approximately $35 billion in assets.
  • • MNL's exposure to AI stocks proved significantly more severe than peers: the trust's 25% decline exceeded both the Morgan Stanley Broad AI basket's 23.2% fall and rival funds Polar Capital Technology (13.8% decline) and Allianz Technology (11.7% decline).
  • • Despite the sharp second-half reversal, MNL delivered a full-year underlying investment gain of 13.2%—the fourth consecutive year of double-digit returns—bringing cumulative four-year portfolio returns to 171%, though fund manager Mark Sheppard's exposure cuts failed to fully mitigate the AI sector's volatility.
  • • The Situational Awareness hedge fund's forced liquidation of billions in technology stock positions triggered cascading losses across AI-heavy portfolios, highlighting systemic risks when concentrated hedge fund positions unwind during periods of market stress.
  • • Chair Daniel Wright warned of an "unusually challenging" macroeconomic backdrop, citing inflationary pressure and rising interest rate expectations as headwinds for long-duration growth equities, with further volatility likely ahead.
Summary
Manchester and London (MNL), a £376 million technology investment trust, reported a portfolio decline of 25% for its financial year ending 31 July 2026, according to annual results disclosed by QuotedData. The sharp decline underscores the concentrated risks inherent in high-exposure AI strategies, as the fund's downturn was precipitated by the near-collapse of Situational Awareness, a prominent AI-focused hedge fund led by 24-year-old former OpenAI researcher Leopold Aschenbrenner.

The timing of MNL's downturn illustrates the speed of AI market volatility. On 22 June 2026, the fund had achieved a 51% investment return year-to-date. However, the subsequent collapse of Situational Awareness—which lost approximately $35 billion in assets as it was forced to liquidate positions—triggered what MNL described as "exceptional volatility" in artificial intelligence stocks, causing the trust's net asset value to plummet by a quarter over the final five weeks of its financial year.

MNL's 25% decline substantially exceeded both its sector benchmark and direct competitors. The Morgan Stanley Broad AI basket of stocks fell 23.2% over the same period, while rival technology funds reported more modest losses: Polar Capital Technology declined 13.8% and Allianz Technology fell 11.7%. Fund manager Mark Sheppard's efforts to reduce market exposure proved insufficient to protect against the severity of the AI sector's downturn, indicating the systemic nature of the liquidation pressures emanating from the Situational Awareness collapse.

Despite the second-half reversal, MNL delivered a full-year underlying investment gain of 13.2%, marking the fourth consecutive year of double-digit portfolio returns and representing a significant recovery from the 1.4% loss reported in the first half through March. Chair Daniel Wright highlighted that cumulative portfolio returns over four years totaled 171%, though he cautioned on the "unusually challenging" macroeconomic environment. Wright and Sheppard cited inflationary pressure and expectations of rising interest rates as material headwinds for long-duration growth equities, signaling that elevated volatility should be anticipated in the near term.

The episode demonstrates how concentrated positions within a single hedge fund can propagate systemic shocks across broader equity markets, particularly in thematic sectors like artificial intelligence where capital concentration among a limited number of large positions creates leverage points for forced liquidations.

Go deeper than the headline

Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.

Start your free 7-day trial

Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Quoteddata Manchester and London slumped 25% in AI carnage caused by near collapse of Situational Awareness hedge fund