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Prime Family Office

Own the Machine

Daniel Berger
Daniel Berger April 24, 2026 15 min read
A polished midtown Manhattan private equity office at golden hour, mahogany conference table stretching toward floor-to-ceiling windows overlooking the city skyline
The first meeting after the sale usually goes like this.

Which side of the fee?

Which side of the fee? A schematic diagram showing the flow of fees from limited partners to general partners through three revenue streams. LIMITED PARTNERS GENERAL PARTNERS You as the LP Your capital funds the machine. You as the GP stake owner You own a piece of the machine. MANAGEMENT FEES CARRIED INTEREST BALANCE-SHEET CO-INVEST Same mechanism. Opposite direction.
Fig. 1. Every private fund has two sides. Most wealth management puts you on the left.

OBVIOUS

The first meeting after the sale usually goes like this.

You walk into an office somewhere in midtown. The carpet is thick. The coffee is good. A man in a well-cut suit slides a document across a polished table. It is a proposed allocation. Sixty percent equities, forty percent fixed income, a sleeve of alternatives, a tilt toward municipals for the tax-sensitive portion. He calls it risk-adjusted. He uses the word diversified four times in six minutes.

And here is the thing. It is not wrong. For someone.

It is the right portfolio for a dentist in Topeka with a healthy 401(k) and a desire to retire at sixty-five. It is the right portfolio for a couple who never wanted the stomach churn of concentrated positions. It is the right portfolio for millions of people.

It is not the right portfolio for you.

Close-up of a polished walnut conference table with a fountain pen resting on an open document, warm amber light from a brass desk lamp

You just spent twenty years learning, viscerally and expensively, that real wealth is not built by owning pieces of companies. It is built by owning companies. You know the difference between being a shareholder and being an operator. You have lived it. You have bled for it.

And yet, ten minutes after the wire clears, the entire wealth-management industry is organized around turning you back into a passive shareholder. A very well-heeled one. But passive.

There is another way. It has been used by the oldest and best-hidden money in America for decades. It comes down to a single question almost no founder is ever asked.

Which side of the fee do you want to sit on?

Every private fund has two sides. There are the limited partners, the LPs. They put up the capital. They bear the risk. They pay the fees. And there are the general partners, the GPs. They run the fund. They pick the deals. They collect the fees.

Most wealth management puts you on the LP side. Your capital flows out.

Owning a GP stake puts you on the other side of the table. The fees flow in.

That is the obvious part. Almost every founder who has sold a company has heard it, at least in passing. So why are so few founders actually on the GP side? For most of the last twenty years, the answer was simple. They could not be.

Now they can. That part is new.


INTERESTING

A general partner is, at its core, an asset-management company.

Offices, employees, a track record. It raises a fund, deploys the capital, earns fees for a decade, and does it again. The economics are unusually clean, and they come from three streams.

The first stream is management fees. Those are rent. Paid on committed capital, not performance. Whether the fund is up forty percent or down fifteen, the GP collects. This is not speculation. It is subscription revenue on a ten-year contract. A firm managing $5 billion at a 1.5 percent fee collects $75 million a year, whether the phones ring or not.

The second stream is carried interest. After LPs get their capital back plus a preferred return (typically 7 to 8 percent), the GP takes twenty percent of everything above that. On a fund that returns 2x over ten years, carry can exceed the entire management-fee stream. For top-quartile managers, carry is not a hope. With disciplined underwriting, it is something close to a certainty.

The third stream is balance-sheet income. A GP commits its own capital alongside its LPs, usually 2 to 5 percent of each fund. As a minority owner of the management company, you receive your pro-rata slice of that. It is a small stream. It is also pure co-investment at zero incremental fee.

Stack those three and you get a business with two properties almost nothing else in a portfolio has. A risk-free baseline. And convex upside. The management fee covers the lights. The carry builds the house. The co-invest fills the walls.

The three revenue streams

Annual cash composition of a mature GP stake over a 10-year fund life. Dashed line marks the risk-free management-fee baseline.

The shape of the return follows. High mean, positive skewness, manageable variance. That shape is exactly what the Summers framework hunts for. It is what separates an investment that clears the 2.0x Omega threshold from one that does not.

None of this is new. Forbes ran a clean version of this thesis in late 2022. What is new is what happened next.

In January 2023, Blue Owl's Dyal Capital closed its fifth GP stakes fund at $12.9 billion. Largest haul ever raised for the strategy, announced in the teeth of the worst private-markets fundraising environment in a decade. In 2024, BlackRock paid $12.5 billion for Global Infrastructure Partners. TPG paid $2.7 billion for Angelo Gordon. Blackstone folded its GP stakes unit into its Strategic Partners secondaries business, an acknowledgement that stake ownership, platform ownership, and continuation-vehicle ownership are becoming the same sport.

Then 2025 broke records. Campbell Lutyens counted 164 private-markets GP transactions, a 40 percent year-over-year jump. Blue Owl launched BOSE, a $3 billion strategy for GP-led secondaries, an adjacent category that hit $106 billion in annual transaction volume. Ardian raised the largest secondaries fund in history at $30 billion. Blackstone's GP-stakes AUM climbed toward $12 billion, with its next dedicated fund targeting $5.6 billion. PACT Capital Partners launched in Q1 with a thesis focused explicitly on evergreen vehicles as the home for GP stakes.

The 2026 private-markets outlook puts it plainly. Seventy-seven percent of general partners globally say they expect to consider a GP-stake divestiture within the next two years. The supply side has arrived.

What changed in five years

From emerging thesis to structural reality, Nov 2022 to Apr 2026.

Nov 2022
Forbes framing published
Jan 2023
Dyal V closes $12.9B
2024
BlackRock buys GIP $12.5B; Blackstone folds stakes into Strategic Partners
2025
164 GP transactions, up 40% YoY
Q1 2026
77% of GPs planning divestiture

What the Forbes piece described as an emerging strategy is now structural. GP stakes are no longer a corner of the market. They are one of the most deliberately built, heavily funded, and rapidly institutionalizing investment categories in the alternatives universe.

The manager has become the asset.

For a founder reading this five years ago, the barrier was not the thesis. The barrier was access. GP stakes sat behind a velvet rope stitched for sovereign wealth funds, the largest pensions, and a handful of insurance balance sheets. A recently exited founder with fifty or a hundred million dollars had two options. Park it in a traditional allocation. Or chase direct deals with no infrastructure. Neither option is actually what a family office does.

Three things have changed that math.

What opened the door

1. Evergreen vehicles. The semi-liquid private-fund universe crossed $427 billion in AUM in mid-2025. Blue Owl's private-wealth channel is now 42.9% of its total AUM. Blackstone's is 23.4%. The infrastructure to let family-office capital in now exists.

2. Structured GP financing. The 2022 version was a stake sale. The 2026 version is broader: NAV-based loans, preferred equity in management companies, revenue-share hybrids, put-and-call-structured stakes. Same underlying economics, very different risk shapes.

3. Exit liquidity. GP-led secondaries, the $3 billion BOSE launch, and the willingness of large asset managers to buy mature stakes have created something that finally looks like a real secondary market. Prices are still opaque. Doors that used to be welded shut are now hinged.

Five years ago, this strategy required being a pension fund. Today, it requires being a family office with the right architecture and the right channel partners. Those are very different bars.

Manhattan skyline at dusk seen from a high-rise window, warm amber lights glowing in office towers, thin band of deep orange sunset on the horizon

INSIGHTFUL

Strip away the jargon and GP stakes solve two problems that most founder wealth plans never solve together.

The first is yield. Management-fee income is steady, contractual, and largely decoupled from market drawdowns. That matters enormously to a family that is no longer generating new operating income. A well-constructed GP-stakes sleeve throws off 8 to 10 percent annual cash from management fees alone, before any carry. The dentist's portfolio does not do that.

The second is growth. Carry realizations, platform appreciation, and new-fund launches compound the underlying value of each stake. Over a ten-year hold, well-chosen stakes have historically produced mid-to-high-teens IRRs. That is gross of any tax advantages.

Now slide the whole thing inside a Private Placement Life Insurance wrapper held by a dynasty trust. The management-fee income compounds tax-free. The realized gains on stake appreciation compound tax-free. At death, the trust's assets pass outside the estate. Run this for forty years and two generational transfers and the delta against a traditional 60/40 portfolio in a taxable account is not double. It is not triple. It is a different order of magnitude.

Dynasty math

$10M starting capital, compounded over 40 years. Line A: traditional 60/40 in a taxable account (~7% net). Line B: GP stakes in PPLI inside a dynasty trust (~12% net, tax-free).

Year 20 Gap
$0M
Year 40 Gap
$0M

This is not theory. It is what the oldest family offices in America have been doing since GP stakes became investable in the early 2000s.

The risks are real. Ignoring them is the kind of confidence that ends careers.

Manager concentration sits at the top of the list. Put everything into two GPs and you have replaced market risk with key-person risk. A dispersed book of seven to ten established firms across strategies and vintages is the minimum competent structure. Record Currency Management's GP Stakes fund holds stakes in over sixty managers. Wafra's WSI program spreads across multiple AUM tiers and geographies. The institutional blueprints exist. Copy them.

Alignment comes next. If the GP has already monetized most of its own equity across multiple stake sales, the incentives change. Before you invest, understand what percentage of the management company the principals still own and what their lockups look like. When founders have already taken their chips off the table, their motivation to keep winning is different. Not worse, necessarily. Different.

Vintage timing is real. A GP stake bought at the top of a fundraising cycle looks very different from one bought mid-cycle. The 2022 to 2023 stress period created some of the best entry prices in the strategy's history. The 2025 recovery has tightened spreads. Diversifying across vintages mitigates this. It does not eliminate it.

Valuation compression is the newest concern. As more capital concentrates on undifferentiated mid-market stake opportunities, returns in that segment may compress. The institutional underwriting standard still works. Invest in scaled, durable franchises. Not any firm that will sell you fifteen percent.

Fundraising dependence is the one that gets overlooked. The whole engine runs on the GP's ability to keep raising new funds. When a firm cannot raise, management-fee income plateaus and then declines. When you evaluate any GP stake, the single most important diligence item is the pipeline of the next fund, not the performance of the last one.

The shape of GP-stake returns

Why Sharpe ratio alone misses the point. Left: what a normal distribution assumes. Right: what actually happens with GP stakes (positive skew, fat right tail). The vertical line marks the Omega 2.0x threshold.

What Sharpe measures

What actually happens

None of these is a reason not to invest. Each is a reason to invest inside a framework. The Summers criteria (Omega above 2.0x, all four statistical moments measured, not just the mean) exist exactly for this. So does the Collective's eight-category due-diligence checklist. The point of rigor is not to slow you down. It is to let you move fast with the right firms.


You spent two decades being the product.

Customers paid for what you built. Investors bet on what you built. You were the thing being priced.

For most founders, post-exit wealth planning quietly puts them back into that role. The new portfolio is managed. The new advisors pick funds that pick companies that pay fees to a chain of people who are, whether anyone says it out loud, on a different side of the table from you.

GP stakes invert that. When you own a piece of the management company, you are one of the people collecting the fee stream. You are not picking stocks. You are owning a business that picks businesses. You are not paying carry to someone else's returns. You are receiving it.

The difference between being rich and building a dynasty is not the size of the check. It is which side of the fee flow you sit on.

You built companies for twenty years. Now you get to own the companies that own companies.

That is not a transaction. That is a different kind of life.

Silhouette of a man standing at a floor-to-ceiling window in a high-rise office, looking down at a sprawling city at twilight
On the other side of the fee.

Run any future investment through the checklist.

The Prime Family Office Eight Category Due Dilligence Framework. Built for alternatives.

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Sources and assumptions. GP-stake transaction data: Campbell Lutyens GP Solutions Report 2025. Blue Owl AUM and Dyal V close: Blue Owl Capital Q4 2024 and Q1 2025 earnings. BlackRock/GIP acquisition: BlackRock press release, Jan 2024. Evergreen vehicle AUM: McKinsey Global Private Markets Review 2025. GP divestiture survey: Preqin 2026 Private Markets Outlook. Dynasty math assumes $10M initial capital, 7% net CAGR for 60/40 taxable (after 25% blended tax drag on returns) and 12% net CAGR for GP-stakes sleeve in PPLI/dynasty trust (tax-free compounding). Distribution curve shapes are illustrative of positive skew and Omega-ratio threshold concepts, not fitted to a specific dataset. This is editorial, not investment advice. Consult qualified counsel.