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Open ended funds meaning

What does Open ended funds mean?
An open-ended fund is a collective investment vehicle that issues and cancels units or shares to meet investor subscriptions and redemptions, so the size of the fund varies over time and pricing is typically at net asset value (NAV). The term is descriptive across legal practice. Specific products are defined and regulated in legislation and rulebooks (in the UK, FSMA 2000, the Open‑Ended Investment Companies Regulations 2001 and the FCA’s COLL Sourcebook; in Ireland, the ICAV Act 2015 and the Central Bank of Ireland UCITS and AIF Rulebooks). Common structures include UK authorised unit trusts (AUTs), open‑ended investment companies (OEICs) and UK UCITS/AIFs; and, in Ireland, UCITS and AIFs structured as ICAVs or unit trusts. Key legal features include periodic dealing, investor redemption rights (subject to the fund’s constitutional documents), and liquidity management duties on the manager and depositary. Tools may include notice periods, redemption gates, swing pricing, anti‑dilution levies and, in stressed markets, temporary suspension of dealings. The concept and usage are broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland, though the available wrappers differ. Open‑ended funds are distinct from closed‑ended funds (for example, investment trusts), where capital is fixed and investors usually trade on a secondary market.
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View the related Checklists about Open ended funds

CHECKLISTS
Archived UCITS timeline: EU and UK legislative and regulatory milestones 2009–2026 (PRIIPs KIDs/KIIDs, AIFMD II, cross-border distribution, sustainability, DORA, ESAP, FCA/HMT updates)

ARCHIVED: This Practice Note is archived and is no longer maintained. UCITS is the acronym for undertakings for collective investment in transferable securities. The expression derives from Directive (EC) 85/611 concerning the coordination of laws, regulations and administrative provisions relating to undertakings for collective investment in transferable securities (the Original UCITS Directive), which was adopted in 1985. The purpose of the Original UCITS Directive was to establish a single market for open-ended retail investment funds that offered enhanced protection for investors. The UCITS framework has been updated on several occasions, with the Management Company Directive 2001/107/EU adopted in 2002 and the Product Directive 2001/108/EU implemented in 2005 (together referred to as UCITS III); followed by implementation in 2011 of Directive 2009/65/EC (the UCITS Directive, also called UCITS IV), which repealed and replaced the Original UCITS Directive; and Directive 2014/91/EU (UCITS V), which was transposed into national law on 18 March 2016...

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CHECKLISTS
EU AIFMD and UCITS timeline (2024–2026): AIFMD II, liquidity management tools, loan-originating AIFs, ELTIF RTS, reporting and depositary supervision

This timeline outlines key developments linked to the Alternative Investment Fund Managers Directive (EU) 2011/61/EU (EU AIFMD) from January 2024 onwards. For earlier developments, see Alternative Investment Fund Managers Directive (AIFMD)—timeline [Archived]. For further guidance on EU AIFMD, see Practice Note: EU AIFMD—essentials. For guidance on the UK Alternative Investment Fund Managers (AIFM) regime, see Practice Note: UK regulation of alternative investment fund managers—essentials. 2026 13 March 2026 — ESMA — Guidelines on Liquidity Management Tools (LMTs) for UCITS and open-ended AIFs. The European Securities and Markets Authority (ESMA) has published guidelines on LMTs for UCITS and open-ended AIFs...

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NEWS
FCA 2025 review sets UK private fund valuation expectations: managing conflicts, independent governance, ad hoc triggers, consistent methodologies, third-party advisers and enhanced investor reporting

This review forms part of a broader set of FCA actions in 2025 to reshape UK private funds regulation, alongside the 7 April 2025 consultation on wider regulatory reform; the 26 February 2025 ‘Dear CEO’ letter, which assessed how UK fund managers handle conflicts of interest; and the 8 May 2025 findings concerning the conduct of smaller managers (see ‘further reading’ below) Context of FCA review The FCA’s review arises from concerns about the distinctive characteristics of private market assets. Unlike public market assets, these holdings are not traded frequently nor subject to regular price discovery. Consequently, firms rely on judgement-led valuation techniques, creating risks such as misvaluation, conflicts of interest, or insufficient expertise. The FCA also notes that UK private fund managers operate under a range of different structures. Open-ended funds, which permit redemptions throughout the fund’s life, encounter more acute valuation challenges than closed-ended funds, where genuine value and performance are only confirmed when assets are realised There are also vehicles that...

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NEWS
Weekly financial services regulatory briefing: UK, EU and international developments across conduct, prudential, operational resilience, enforcement, sanctions, capital markets, payments and crypto (week of 23 October 2025)

In this issue: Beyond Brexit UK, EU and international regulators and bodies Authorisation, approval and supervision Prudential requirements Operational resilience Complaints, compensation and claims management Financial crime and sanctions Consumer credit, mortgage and home finance Conduct requirements Investigations, enforcement and discipline Regulation of capital markets Regulation of derivatives Sustainable finance and ESG Banks and mutuals Investment funds and asset management UK MiFID II EU MiFID II Regulation of insurance Payment services and systems Fintech and cryptoassets LexTalk®Financial Services: a Lexis®Nexis community Dates for your diary Financial Services Enforcement Database Daily and weekly news alerts Intraday news alerts Beyond Brexit FCA updates guidance on the financial services contracts regime, temporary permissions regime and leaving SRO or CRO The Financial Conduct Authority (FCA) has refreshed its guidance covering the temporary permissions regime, the financial services contracts regime, and how firms...

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NEWS
AIFMD 2: Harmonised EEA loan origination regime for AIFMs; leverage limits, liquidity tools, ESMA RTS and Ireland's AIF Rulebook alignment for private credit funds

AIFMD 2 AIFMD 2 signals a decisive turn for EU private credit funds, unveiling a harmonised regime for AIFMs of loan-originating AIFs that replaces disparate national rules with clear, consistent standards to ensure a level playing field. For private credit managers, it enables the structuring of both open-ended evergreen and closed-ended direct lending AIFs across the EEA, with aligned requirements on governance, risk, liquidity, and investor protection overall...

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View the related Practice Notes about Open ended funds

PRACTICE NOTES
UK money market funds: regime essentials, authorisation, UCITS/AIFM interactions, investment and liquidity rules, CNAV/LVNAV/VNAV, and post‑Brexit reform proposals including TMPR and the Overseas Funds Regime

This Practice Note examines core aspects of the UK framework for money market funds (MMFs) that stems from Regulation (EU) 2017/1131 (the EU MMF Regulation). It also looks at suggested changes to the framework, with the Financial Conduct Authority (FCA), HM Treasury and the Bank of England (BoE) working jointly to bolster its resilience and align it with post‑Brexit regulatory objectives. For background on the EU MMF Regulation, see Practice Note: EU MMF Regulation—essentials. What is an MMF? Money market funds (MMFs) are investment funds that invest in short‑term debt instruments and so play a significant role in the short‑term financing of the economy. In particular, MMFs are open‑ended, liquid investment funds that invest in fixed income through short‑term debt, for example money market instruments issued by banks, governments or companies (including treasury bills, commercial paper and certificates of deposit) which pay interest. They therefore form an important connection between demand for, and the supply of, short‑term debt. Further information on the eligible assets of an MMF is...

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PRACTICE NOTES
Primeo Fund liquidation and litigation after Madoff: Cayman Islands and Privy Council rulings on SIPA clawbacks, Herald claims, redemption creditor priority, NAV finality and service-provider liability (HSBC)

Brief history Before it went into liquidation, Primeo Fund (Primeo) operated as an open‑ended mutual investment vehicle. It was sponsored by Bank Austria and domiciled in the Cayman Islands. As is typical, it collected capital from investors and deployed those monies. A significant proportion of investors were Austrian private individuals, subscribing for shares in Primeo. At the outset, between 1993 and 1996, Primeo allocated its portfolio to several external managers, including Bernard L. Madoff Investment Securities LLC (BLMIS). The directors’ first allocation mandated that 7.5% of Primeo’s assets be placed with BLMIS. In 1996, reflecting BLMIS’s seemingly strong performance, Primeo bifurcated into two sub‑funds: the existing fund became Primeo Global, while a new vehicle, Primeo Select, was formed to invest solely with BLMIS. By February 2001, a decision was taken to wind down Primeo Global, which had underperformed markedly compared with Primeo Select. Primeo Select maintained a direct relationship with BLMIS until May 2007, when it was reorganised to gain exposure indirectly via Herald Fund SPC (Herald). Under that...

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PRACTICE NOTES
UK PAIF regime for OEICs: qualification conditions, HMRC notification requirements and QIS financing cost restrictions

The tax regime applicable to property authorised investment funds (PAIFs) applies to UK open-ended investment companies (OEICs) which: meet a number of prescribed conditions, and have notified HMRC in advance that they wish the PAIF regime to apply to them This Practice Note concentrates on the criteria that must be satisfied for the PAIF rules to apply to an OEIC in practice. As a starting point, for a top-level overview of the PAIF tax regime in its entirety, see Practice Note: Taxation of property funds—overview. Further important elements of the framework are considered in the Practice Notes: PAIFs—tax treatment of the fund and its investors and PAIFs—breaches and exit. There is significant overlap between the PAIF tax rules and the UK tax regime for real estate investment trusts (REITs) in many areas. This reflects their complementary design: the PAIF regime is tailored to open-ended vehicles investing in real estate, while the REIT regime is aimed at closed-ended vehicles with a similar purpose....

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