UK Regulator Softens Money Market Fund Rules After Industry Pushback
1h ago|4 min readStandard
Fazen Markets Editorial Desk
Collective editorial team · methodology
uk-money-market-fundsfca-regulation
Fazen Markets Editorial Desk
Collective editorial team · methodology
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The UK's Financial Conduct Authority announced a revised proposal for money market fund rules on 8 June 2026, scaling back several stringent liquidity requirements initially put forward in late 2025. The amendments follow extensive consultation with asset managers and industry bodies, who argued the original rules would impose excessive costs and reduce fund yields. The new framework aims to balance financial stability with the competitiveness of London's £400 billion money market sector.
This regulatory shift occurs amid a global reassessment of money market fund stability, largely prompted by the March 2023 US banking crisis that saw massive flows into government funds. The Bank of England's current base rate stands at 4.25%, sustaining significant investor interest in cash-like instruments. The FCA's initial consultation paper, published in November 2025, proposed a substantial overhaul aligned with stricter European Union standards enacted post-2019.
The primary catalyst for the softened stance was concerted feedback from major asset management firms, including Legal & General and Abrdn, which manage a combined £150 billion in UK money market assets. These firms detailed operational challenges and potential negative yield impacts for investors under the original proposal. The FCA acknowledged these concerns, noting the need to avoid disadvantaging UK-domiciled funds versus international competitors.
The UK money market fund industry holds approximately £400 billion in assets under management, serving as a critical cash management tool for corporations and institutional investors. The original FCA proposal mandated that funds hold a minimum of 15% of assets in daily liquid assets, a 5 percentage point increase from the current 10% requirement. The revised proposal reduces this new minimum to 12.5%.
Another key change involves the weekly liquid asset requirement. The initial draft sought an increase from the current 30% minimum to 40%. The amended version sets this new threshold at 35%. For comparison, US prime money market funds operate under a 30% weekly liquidity rule, while EU funds require a 15% daily and 30% weekly minimum. The average yield on a UK sterling money market fund is currently 4.18%, slightly above the 4.05% yield on similar euro-denominated funds.
The softened rules represent a clear win for UK asset managers, reducing projected compliance costs by an estimated £120 million annually across the industry. Firms with large money market operations like MNG.L and LGEN.L stand to benefit from lower operational drag and potentially higher fund margins. The changes may also make UK funds more attractive to international investors seeking yield without the structural constraints of EU regulations.
A counter-argument suggests that maintaining lower liquidity buffers could leave funds more vulnerable to rapid outflows during future market stress events. However, the FCA's revised framework includes enhanced stress testing requirements to mitigate this risk. Institutional flow data indicates continued strong demand for money market products, with year-to-date net inflows of £28 billion into UK funds. Pension funds and corporate treasurers remain the largest holders, seeking safety amid ongoing equity market volatility.
The FCA will accept final comments on the revised proposal until 31 July 2026, with a final rule expected by the end of Q4 2026. Market participants should monitor the Bank of England's Monetary Policy Committee meeting on 15 August for any shift in rate guidance that could affect fund yields. The key level to watch is the 4.25% base rate; a cut below 4.00% would likely compress money market fund yields and potentially reduce their attractiveness relative to short-dated gilts.
Secondary effects will appear in fund flow data published by the Investment Association on 10 July. Sustained inflows above £5 billion monthly would confirm strong demand despite regulatory uncertainty. The UK Debt Management Office's gilt issuance calendar for Q3, due 1 July, will also impact short-term rates and money fund portfolio composition.
Money market funds are low-risk investment vehicles that invest in high-quality, short-term debt instruments like government Treasury bills and commercial paper. They aim to maintain a stable net asset value while providing investors with income slightly above bank deposit rates. UK money market funds typically require a minimum investment of £100,000, making them primarily accessible to institutional investors and corporations.
Most UK retail investors access money market funds through pension schemes or multi-asset funds rather than direct investment. The regulatory changes may indirectly benefit them through slightly higher yields on these underlying holdings and reduced fund management fees. Retail-focused money market ETFs like the iShares GBP Ultrashort Bond ETF could see improved liquidity and tighter spreads as a result of the revised rules.
The FCA regulates money market funds to ensure financial stability and protect investors, particularly after several funds "broke the buck" during the 2008 financial crisis. Regulation aims to prevent rapid redemptions during market stress while ensuring funds can meet investor withdrawals. The UK framework has operated independently since Brexit, allowing divergence from EU rules like the Money Market Fund Regulation.
The FCA's pragmatic revision reduces compliance burdens while maintaining core safeguards for UK money market funds.
Disclaimer: This article is for informational purposes only and does not constitute investment advice. CFD trading carries high risk of capital loss.
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