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Yannick Arbaut


Yannick has extensive experience in advising asset managers on the structuring, establishment and ongoing operation of Luxembourg funds such a limited partnerships and RAIFs, as well as CSSF supervised funds such as SIFs, SICARs, UCITS and Part II funds, including ELTIFs. 

Yannick’s experience spans across a variety of asset classes, such as private debt, real estate, infrastructure, private equity, venture capital or impact investments. He assists investment fund managers on their licence applications and extensions as well as on cross-border regulatory issues. He advises institutional investors in respect of their investor due diligence on, and negotiations with, Luxembourg investment funds. Yannick also advises sponsors, funds and fund service providers on regulatory topics.

He is a member of the executive committee of the Luxembourg Private Equity Association (LPEA).


Representative matters

HPS on the set up of HPS Offshore Sustainability and Energy Transition Fund.

Partners Group with respect to their multi strategies fund platform focusing on private markets investments.

M&G on the launching of the Luxembourg Specialist Investment Fund, a Luxembourg pan-European debt fund in the form of an umbrella RAIF FCP.

The Riverside Company on the establishment of Riverside Europe Fund (REF) VII, a private equity fund focusing on SMEs in European Union, the United Kingdom, Norway and Switzerland and ongoing advice regarding the predecessor funds REF V and VI.

Optimum Asset Management on the establishment of a Luxembourg fund investing in real estate in the US and Europe as well as a joint venture with Blackstone to invest in and co-manage an EUR 800m German real estate portfolio.

Schelcher Infrastructure Debt Fund, a Luxembourg multi-compartment debt fund investing in infrastructure assets and structured as an ELTIF.

A large Swiss bank on their flagship open-ended fund of real estate funds structured as a Part II fund.


Pro bono

Advising Calvert Social Investment Foundation on its investment in several Luxembourg funds

Advising Ocean Born Foundation in respect of the Ocean Born Impact fund

Member of the Allen & Overy Social Finance and Impact Investment Executive Committee

Published Work

  • "GP Stake Funds: a win-win strategy for investors and fund sponsors?", AGEFI Luxembourg, September 2023 (co-author)
  • "Sustainable finance: to be or not to be an article 8 or 9 fund?, Pre-contractual Disclosure Obligations", AGEFI Luxembourg, March 2021 (co-author)
  • "The Islamic Finance and Markets Law Review", Luxembourg Chapter, 2020-2023
  • "Derivatives trading under EMIR REFIT: focus on Luxembourg AIFs and UCITSs", AGEFI Luxembourg, October 2019 (co-author)

Speaking Engagements

  • Regular Speaker, A&O Private Capital Forum, Luxembourg 
  • Speaker, A&O Private Capital Forum, Frankfurt, 2024 
  • Speaker, A&O Capital Markets Forum, Luxembourg, 2024 
  • Speaker, A&O Private Capital Forum, Paris, 2023 and 2024 

Leadership Positions And Professional Affiliations

  • Member of the Association of the Luxembourg Funds Industry (ALFI) ­
  • Member of the Luxembourg Private Equity Association (LPEA)
  • Member of the Luxembourg Banking Lawyers Association (ALJB)
Yannick Arbaut is really bright and understands directly what the client needs.
Chambers Global, 2024
Next Generation Partner
Investment Funds, Legal 500, 2023



Admitted as avocat à la Cour, Luxembourg, 2010

Admitted as avocat, Luxembourg, 2008


Master 2, International Trade Law, University of Montpellier I, 2007

Master 1, Business Law, University of Montpellier I, 2006


English, French, German, Luxembourgish
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.