Key Takeaways
- • Family offices collectively control roughly $10 trillion, a pool that exceeds the global hedge fund industry, according to the article's author, Ronald Diamond.
- • Citi's 2025 Global Family Office Report found seven in ten family offices made direct investments in private companies over the past twelve months, with twice as many increasing that exposure as decreasing it.
- • 44 per cent of U.S. family offices cite understaffing as a significant bottleneck for direct investing programs, widening the gap between firms with operating infrastructure and those without.
- • Deloitte data cited in the piece shows private equity allocations among family offices rose from 22% in 2021 to 30% in 2023, with private equity overtaking public equity in portfolios for the first time.
- • Nine in ten family offices believe AI could enhance investment returns, and half have begun experimenting with it, per Bank of America's 2025 Family Office Study.
Summary
In a guest contribution published by Wealth Briefing, Ronald Diamond, founder and chairman of Diamond Wealth, argues that family offices are gaining a strategic edge in a long-cycle market. Their long-duration capital, unified decision-making authority, and ability to pair ownership with sustained operational involvement allow them to compound returns across full market cycles, a advantage the author says is increasingly pronounced in the middle market.
Diamond attributes this shift to structure, scale, and capability. He cites a historic $124 trillion wealth transfer expanding family balance sheets and decision-making power, alongside AI tools that allow lean teams to operate at institutional depth. He notes that scale alone does not guarantee readiness: family offices that rely solely on capital remain dependent on external managers, while those that build operating capability capture returns.
Time horizon is a central theme. Institutional private equity is built around fund mechanics that prioritize realizations within defined windows, whereas families can hold operating businesses for decades, letting cash flow and operational improvements compound without repeated transaction costs. Diamond argues that execution remains the gating factor, however. Citing Citi's 2025 Global Family Office Report, he notes that seven in ten family offices have made direct private company investments, but 44 per cent of U.S. family offices identify understaffing as a significant bottleneck. Without scale, process, and aligned teams, many default to limited partner roles, absorbing liquidity risk while paying full fees.
Diamond also points to talent strategy and technology. Competitive family offices treat senior investment hires as future profit centers, using carried interest, credit facilities, and structured incentives. On technology, he cites Bank of America's 2025 Family Office Study, in which nine in ten respondents believe AI could enhance returns and half have begun experimenting with it. He also references Deloitte findings that family office private equity allocations rose from 22% in 2021 to 30% in 2023, with private equity overtaking public equity for the first time, according to Asset Vantage.
The author acknowledges risks, including concentrated authority, unclear decision rights, thinly resourced teams, and liquidity constraints when distributions slow. He concludes that family offices that codify investment criteria, professionalize governance, and collaborate through peer networks are becoming repeatable investment platforms, and that patient capital is positioned to win in the middle market.
Diamond attributes this shift to structure, scale, and capability. He cites a historic $124 trillion wealth transfer expanding family balance sheets and decision-making power, alongside AI tools that allow lean teams to operate at institutional depth. He notes that scale alone does not guarantee readiness: family offices that rely solely on capital remain dependent on external managers, while those that build operating capability capture returns.
Time horizon is a central theme. Institutional private equity is built around fund mechanics that prioritize realizations within defined windows, whereas families can hold operating businesses for decades, letting cash flow and operational improvements compound without repeated transaction costs. Diamond argues that execution remains the gating factor, however. Citing Citi's 2025 Global Family Office Report, he notes that seven in ten family offices have made direct private company investments, but 44 per cent of U.S. family offices identify understaffing as a significant bottleneck. Without scale, process, and aligned teams, many default to limited partner roles, absorbing liquidity risk while paying full fees.
Diamond also points to talent strategy and technology. Competitive family offices treat senior investment hires as future profit centers, using carried interest, credit facilities, and structured incentives. On technology, he cites Bank of America's 2025 Family Office Study, in which nine in ten respondents believe AI could enhance returns and half have begun experimenting with it. He also references Deloitte findings that family office private equity allocations rose from 22% in 2021 to 30% in 2023, with private equity overtaking public equity for the first time, according to Asset Vantage.
The author acknowledges risks, including concentrated authority, unclear decision rights, thinly resourced teams, and liquidity constraints when distributions slow. He concludes that family offices that codify investment criteria, professionalize governance, and collaborate through peer networks are becoming repeatable investment platforms, and that patient capital is positioned to win in the middle market.
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