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Identifying and addressing client needs.

wealth management for individuals, families, and institutions

Abalone Gräff

Abalone Gräff AG is a Swiss Company, associated and supervised by PolyReg (a FINMA recognized SRO) delivering a full comprehensive set of wealth management services to individuals and families, advisory services to Institutional Clients and developing quantitative strategies on equity together with advanced option strategies.


As an independent Wealth Management and Financial Advisory company, Abalone Gräff AG provides innovative and professional services, with the mission to support Private and Institutional clients in the planning and realization of their financial objectives. Abalone Gräff AG identifies and understands clients’ needs and life goals, taking care of the entire wealth management planning.

Our Team

Stefano Valente

Founder & Chairman

Since 2015, Stefano has been working as Chief Operating Officer for FGP Wealth Management, being based in Switzerland. Prior to that, he worked as Relationship Manager for Bank Julius Baer, from 2011 to 2015, and in Arner Bank, from 2009 to 2011. From 2000 to 2009 he developed a career in Accenture, specifically in the financial sector, starting as a Business Analyst and growing to Senior Manager.

Roberto Colapinto

Founder & Managing director

Founder of all companies of Abalone group, Roberto held several important roles in his working experience. In 2013 he was Head of Regional Coverage responsible for Southern Europe and Latin America for Credit Agricole and in 2007 he served as General Manager Edmond de Rothschild Europe for Milan branch.

Maurus Nussbaumer


Maurus is active as Relationship Manager for the institutional clients of Abalone Gräff AG. His role is aimed at promoting and developing the funds of the Abalone Group in the financial sector in Zurich. He holds a degree in Management from the University of Fribourg (CH). Before joining the Abalone Group, he managed, for several years, the relationships of Cornèr Ltd. in Lugano with its institutional counterparties located in German-speaking Switzerland, Luxembourg and Dubai.

Antonio Urbano


Over 20 years spent in equity brokerage, working among the others, with Julius Baer, Société Générale Equities International, Carnegie Securities between London and MIlan.  He was a co-founder of Kepler Capital Markets, working as Managing Director for the Italian office. He is a co-founder of  VintHedge Italian Wine Growth Fund SICAV SIF, investing in Italian Fine Wine.

Siegfried Spitzer

Senior Portfolio Manager

Siegfried is the Head of Quantamental. Quantamental is a business within Abalone Gräff AG that generates consistent outstanding uncorrelated risk-adjusted returns by developing and deploying Siegfried’s trading strategies for Cash Equities, Equity Futures and Indices, Fixed Income, Commodities, and Currencies.

Davide Vicini


Davide Vicini is Director at Abalone Graff. Before joining the Abalone team, Davide was Sr. Associate of 21Shares where he dealt with the commercial development of the company in Southern Europe since early 2019. Before that he was head of the Venture Capital and Blockchain technical department of a Swiss consulting boutique. BUT. He began his career at Banca Arner (Now: One Swiss Bank) as a business development in wealth management, a Swiss private bank with offices in Lugano, Zurich and Geneva. Davide holds a BA in Business and Management from Westminster University and a master's in Corporate Finance & Banking from SDA Bocconi.

Silvia Bon

Head Administration & Company Secretary
of Abalone Group | Executive Director

Silvia is the Head Administration & Company Secretary of Abalone Group. She has over 20 years professional experience in Insurance and Real Estate in Italy, Treviso and Milan. Since 2013 she has been working for an international Family Office in Luxembourg.

Davide Chiantore

Head of Research

Davide is Head of Research in Abalone Gräff AG. He previously worked as a Risk & Quantitative Analyst in Frame Asset Management SA, a swiss independent investment manager with Eur 1 billion in asset under management.

Pierpaolo D’Urso

Trade Desk

Pierpaolo is Portfolio Manager for Abalone Gräff AG. He studied Economics of Financial Markets and Institutions in Bocconi University. He is specialised in options, quantitative finance, derivatives, risk management, risk hedging, investment funds monitoring, trade executions.

Edoardo Grigione

Business Development

Edoardo began his career in 1999. Today he is Head of Distribution for the group's Wealth Management company, Abalone Gräff AG.

Alessandra Panella

Executive Coordinator

Alessandra has gained more than 20 years experience in the financial industry, working as Equity Analyst in Kepler Capital Markets, Banca Imi and Caboto Sim and as Investor Relations Manager in listed companies and investment funds.


Wealth Management

We help our clients to navigate changing market environments, so that they can confidently realize their long-term life objectives. By combining robust capital markets research, expert portfolio construction and comprehensive risk management, Abalone Gräff AG is able to craft innovative and efficient investment solutions. Our robust investment capabilities span all markets and asset classes, from passive and risk-factor to fundamental active, multi-asset class and multi-manager strategies, delivered in multiple vehicles.

Advisory Services

Exploiting the strong scientific and technological know-how developed in house, Abalone Gräff AG provides consulting and advisory services to corporations, professional asset managers and financial institutions. Abalone Gräff AG acts as a supplier of complex mathematical and quantitative models to develop efficient portfolios management strategies, optimisation in cash flow management and powerful solutions, to reduce computational and operational costs in asset management activities.

Financial Market Analysis

We provide Financial & Markets Analysis, statistical models development and R&D in applied mathematics. In a challenging and increasingly complex world, the use of robust and a sophisticated quantitative work frame is a key factor, to be combined with traditional asset management strategies. We still see an increasing investor demand for quantitative investment strategies, which are purposefully built to help investors achieve targeted excess returns and avoid unintended risks: we keep strong focus on developing solutions that help our clients to achieve their specific objectives and our range of quantitative strategies is designed to support the specific requirements of each single client.

More about our Group