EPISODE · Mar 5, 2026 · 1H 11M
Stable Asset Management's Erik Serrano Berntsen - what it takes to build a great alternative asset management firm
from Alt Goes Mainstream: The Latest on Alternative Investments, WealthTech, & Private Markets · host Michael Sidgmore
Welcome back to the Alt Goes Mainstream podcast.Today’s episode dives into what it takes to start, build, and scale an alternative asset manager.We sat down in Stable Asset Management’s London office with Erik Serrano Berntsen.Erik is the CEO of Stable, where he defines and executes the firm’s investment strategy. Stable is one of the largest and most tenured GP stake builders globally. The firm manages around $5B in assets and has built over 40 firms since 2006.Stable makes strategic seed and acceleration investments to launch and scale alternatives GPs across public and private markets. With offices in New York, London, and Palm Beach, the firm backs investment firm Founders who understand that extraordinary performance requires building exceptional organizations.Committed to education as a catalyst for change, Erik supports the LSE Alternative Investments Conference — the world’s largest student conference for alternatives, which is how we met 16 years ago — as well as Girls Who Invest and Girls Are Investors. Stable backs 100 Women in Finance and is a Founding Partner of the 10,000 Interns Foundation.Erik holds a BA in Politics, Philosophy, and Economics from Keble College, Oxford, and an MBA with honors and a concentration in Finance from the University of Chicago Booth School of Business.Erik and I had a fascinating conversation about what it takes to be a great investor and build a unique investment firm. We discussed:How the business of asset management has evolved since 2006.The incentives gap between LPs and GPs — and how that evolves as GPs scale.How GP seeding and GP stakes can be a solution to LP / GP misalignment.How to discern a manager’s “edge" and how “edge” can change with firm growth.The most non-obvious trait that makes for a great asset management founder.The nuances of evergreen structures and which strategies might be better suited for evergreen structures.The merits of the GP stakes investment strategy for LPs.Thanks Erik for sharing your wisdom, expertise, and passion about GP stakes and asset management.Show Notes00:00 Likeability Wins00:37 Welcome to the Alt Goes Mainstream Podcast01:50 Introduction to Erik Serrano Berntsen and Stable04:08 Why the Name Stable06:26 From Benchmarks to Solutions05:31 Branding as Alts Evolve08:11 Stable’s Two Market Gaps08:47 Fixing LP / GP Misalignment09:29 GP Stakes Alignment Model09:59 Non-Market Risks vs. Operating System11:15 How Edge Changes with Scale14:06 Three Edges to Underwrite16:18 Founders Think in Decades19:53 Timing Cycles and Strategy Drift23:31 Seed vs Acceleration Playbook25:39 Evergreen Capital Goes Mainstream29:01 Smaller Managers Winning Evergreen31:19 Wealth Channel Core vs Specialist33:25 Evergreen vs Drawdowns Debate34:03 Evergreen by Asset Class35:47 GP Stakes Lifecycle 38:29 Picking Tides and Boats39:03 Specialist Strategy Edge40:15 Podshopification in Private Markets41:55 What Drives New GP Formation44:52 Self Awareness as Edge46:31 Always Be Sourcing48:23 Founder to Founder Trust50:37 Lessons Running Stable53:23 Building the GP Operating System59:00 Capital as a Service01:01:43 Stigma Fades in GP Stakes01:05:18 How to Spot Manager Edge01:08:47 Founders to Emulate01:10:35 Communication and Closing ThoughtsA Word from Our Sponsor, UltimusThis episode of Alt Goes Mainstream is brought to you by Ultimus, the full-service fund administrator and transfer agent powering asset managers in private and public markets. As alts go mainstream, you need real expertise to handle complex fund structures, connect with key distribution partners, and handle sophisticated compliance, reporting, and transparency demands.That’s Ultimus: high-tech, high-touch solutions for over 450 clients and 2,500 funds with $775B in assets under administration. Backed by an expert team of over 1,200 employees, they place client service at the core of their business, helping you navigate complexity during your fund structuring or launch and then supporting you through every stage of growth. Whether you’re already in the market or thinking about entering private wealth, you can trust their team’s deep expertise in retail alternatives to help you reach your goals.Learn more at ultimusfundsolutions.com or email [email protected] thank Ultimus for their support of alts going mainstream.Editing and post-production work for this episode was provided by The Podcast Consultant.
What this episode covers
Welcome back to the Alt Goes Mainstream podcast.Today’s episode dives into what it takes to start, build, and scale an alternative asset manager.We sat down in Stable Asset Management’s London office with Erik Serrano Berntsen.Erik is the CEO of Stable, where he defines and executes the firm’s investment strategy. Stable is one of the largest and most tenured GP stake builders globally. The firm manages around $5B in assets and has built over 40 firms since 2006.Stable makes strategic seed and acceleration investments to launch and scale alternatives GPs across public and private markets. With offices in New York, London, and Palm Beach, the firm backs investment firm Founders who understand that extraordinary performance requires building exceptional organizations.Committed to education as a catalyst for change, Erik supports the LSE Alternative Investments Conference — the world’s largest student conference for alternatives, which is how we met 16 years ago — as well as Girls Who Invest and Girls Are Investors. Stable backs 100 Women in Finance and is a Founding Partner of the 10,000 Interns Foundation.Erik holds a BA in Politics, Philosophy, and Economics from Keble College, Oxford, and an MBA with honors and a concentration in Finance from the University of Chicago Booth School of Business.Erik and I had a fascinating conversation about what it takes to be a great investor and build a unique investment firm. We discussed:How the business of asset management has evolved since 2006.The incentives gap between LPs and GPs — and how that evolves as GPs scale.How GP seeding and GP stakes can be a solution to LP / GP misalignment.How to discern a manager’s “edge" and how “edge” can change with firm growth.The most non-obvious trait that makes for a great asset management founder.The nuances of evergreen structures and which strategies might be better suited for evergreen structures.The merits of the GP stakes investment strategy for LPs.Thanks Erik for sharing your wisdom, expertise, and passion about GP stakes and asset management.Show Notes00:00 Likeability Wins00:37 Welcome to the Alt Goes Mainstream Podcast01:50 Introduction to Erik Serrano Berntsen and Stable04:08 Why the Name Stable06:26 From Benchmarks to Solutions05:31 Branding as Alts Evolve08:11 Stable’s Two Market Gaps08:47 Fixing LP / GP Misalignment09:29 GP Stakes Alignment Model09:59 Non-Market Risks vs. Operating System11:15 How Edge Changes with Scale14:06 Three Edges to Underwrite16:18 Founders Think in Decades19:53 Timing Cycles and Strategy Drift23:31 Seed vs Acceleration Playbook25:39 Evergreen Capital Goes Mainstream29:01 Smaller Managers Winning Evergreen31:19 Wealth Channel Core vs Specialist33:25 Evergreen vs Drawdowns Debate34:03 Evergreen by Asset Class35:47 GP Stakes Lifecycle 38:29 Picking Tides and Boats39:03 Specialist Strategy Edge40:15 Podshopification in Private Markets41:55 What Drives New GP Formation44:52 Self Awareness as Edge46:31 Always Be Sourcing48:23 Founder to Founder Trust50:37 Lessons Running Stable53:23 Building the GP Operating System59:00 Capital as a Service01:01:43 Stigma Fades in GP Stakes01:05:18 How to Spot Manager Edge01:08:47 Founders to Emulate01:10:35 Communication and Closing ThoughtsA Word from Our Sponsor, UltimusThis episode of Alt Goes Mainstream is brought to you by Ultimus, the full-service fund administrator and transfer agent powering asset managers in private and public markets. As alts go mainstream, you need real expertise to handle complex fund structures, connect with key distribution partners, and handle sophisticated compliance, reporting, and transparency demands.That’s Ultimus: high-tech, high-touch solutions for over 450 clients and 2,500 funds with $775B in assets under administration. Backed by an expert team of over 1,200 employees, they place client service at the core of their business, helping you navigate complexity during your fund structuring or launch and then supporting you through every stage of growth. Whether you’re already in the market or thinking about entering private wealth, you can trust their team’s deep expertise in retail alternatives to help you reach your goals.Learn more at ultimusfundsolutions.com or email [email protected] thank Ultimus for their support of alts going mainstream.Editing and post-production work for this episode was provided by The Podcast Consultant.
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Stable Asset Management's Erik Serrano Berntsen - what it takes to build a great alternative asset management firm
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