The single most important fact about family offices and art is this: among the offices that actively invest in art, the average allocation is 13.4% of the portfolio, according to the 2024 Deloitte Art & Finance Report, well above the 8.6% average among private banks. Family offices now manage more than $3.1 trillion in assets worldwide, and a growing share of that capital is moving into art. To us, that 13.4% figure tells you how the wealthiest families have come to think about art. They treat it as a distinct asset class sitting alongside private equity, real estate, and hedge funds, and they size it accordingly.

We pay close attention to this for a simple reason. We have said for years that our real competition is not other firms. It is families. So when families build the institutional machinery to allocate to art on their own, that is the clearest signal we have that the asset class is maturing. This piece looks at the numbers behind the family office boom, how these institutions approach art differently from individual collectors, and what their behavior signals for the broader art market.

How fast are family offices growing, and how much do they manage?

The number of single family offices is growing fast, and the assets behind them are growing faster. The global count has climbed to roughly 8,030 as of 2025, up from about 6,130 just a few years earlier, according to Deloitte Private. By 2030, that number is expected to pass 10,700. North America accounts for the largest share, with around 3,180 offices, followed by Asia Pacific at 2,290 and Europe at 2,020. The Middle East, South America, and Africa make up the rest.

Total assets under management across these offices sit at $3.1 trillion today, with projections pointing to $5.4 trillion by 2030, a 73% jump. The average single family office in the UBS Global Family Office Report 2025 manages $1.1 billion, with the families behind them averaging $2.7 billion in net worth.

What drives this growth is straightforward. More wealth, more complexity. As fortunes grow and spread across asset classes, geographies, and generations, the single family office becomes the default structure for managing it all under one roof. And here is the part that matters for art. As these offices get bigger and more professional, they start behaving like institutional investors, with CIOs, investment committees, and formal allocation targets. That is the moment art stops being a possession and becomes a line in the portfolio.

Where does art sit in a family office alternatives allocation?

Family offices are heavy allocators to alternatives, and art is a small but deliberate piece of that stack. The UBS 2025 report pegs the average split at 56% traditional assets and 44% alternatives. BlackRock's 2025 survey of 175 single family offices found a similar figure, with 42% in alternatives, up from 39% in the prior year. Within that bucket, private equity leads at roughly 21% to 25%, followed by real estate at 11% to 18%, hedge funds at 4%, and private credit at 4%.

Art and antiques, in the UBS data, account for about 1% of the average family office portfolio. That number looks small in isolation. But it averages across offices that hold zero art and offices, particularly in Europe and Asia, that hold far more. The Deloitte figure of 13.4% comes from a survey of offices that actively engage with art and collectibles, which pulls the number up. The honest read is that the true allocation sits somewhere between those two figures, and the direction is clearly toward more.

We would not over-index on the precise percentage. The trend is what carries the weight. BlackRock notes that niche investments like collectibles, farmland, and structured litigation finance are gaining traction as families look for uncorrelated sources of return. Art fits that profile. Its price movements have historically shown little correlation to equities or bonds. During the early 2020 sell-off, art prices did not crash in step with stocks. During the 2021 and 2022 boom, high-end art surged even as bond yields stayed low. That is the behavior a family office is paying for.

How do family offices approach art differently from individual collectors?

A family office buys art the way it buys any other asset, against the balance sheet, the tax plan, the estate structure, and the next generation. An individual collector buys what they like. That difference shapes everything.

Family offices bring institutional discipline to the process. Formal due diligence on provenance (the documented history of who has owned a work), independent appraisals, insurance reviews, and storage logistics. Many work with dedicated art advisors or firms like the Fine Art Group rather than relying on gallery relationships alone. UBS runs an in-house art advisory practice specifically for this market. This is the same rigor a serious allocator applies to a private equity commitment, now pointed at paintings.

The governance piece is real, too. Sixty-five percent of North American family offices now operate with a family charter or constitution, according to industry surveys. When collections grow large enough, they get folded into these governance structures. That means committee oversight on purchases, formal collection policies, and succession plans for the art itself.

Private transactions hold particular appeal. Discretion matters to families who do not want their buying activity publicized. Working through advisors and private dealers gives access to works that never appear at auction, and it avoids the buyer's premium (the fee charged on top of the hammer price, typically 20% to 26% at major auction houses). We have always argued that these complicated transaction fees inhibit new buyers from moving into the market. Families with the right relationships simply route around them.

Legacy is the other dimension. A collection can carry a family's identity across generations. Structured correctly, artworks can be placed into trusts, foundations, or lending arrangements with museums, creating tax advantages while keeping the collection intact. The art becomes both a financial asset and a cultural one. This is also part of why turnover in the art market is so low. In the art market we talk about the three D's, death, divorce, and debt, as the main reasons works come up for sale. A lot of these paintings sit in families for decades. Family offices are built to extend that horizon, not shorten it.

What does the $992 billion art wealth transfer mean for family offices?

A large wave of art is about to change hands, and family offices are positioned on both sides of it. The Deloitte 2025 Art & Finance Report estimates that $992 billion in art and collectibles will transfer between generations over the next decade, roughly $100 billion per year. This tracks with the broader wealth transfer. Up to 1.2 million individuals with a net worth above $5 million are expected to pass along nearly $31 trillion in total.

For family offices, this transfer is both a challenge and an opportunity. On the challenge side, inheriting a collection worth tens or hundreds of millions of dollars requires expertise that many next-generation family members do not have. The Deloitte report found that client requests for art-related support from wealth managers have surged to 65%, up from 44% just two years earlier. Collection management, estate planning, and valuation services are all in higher demand.

On the opportunity side, this transfer puts enormous amounts of art onto the market. Some heirs will keep what they inherit. Others will sell. Family offices that are positioned to buy, with advisors, capital, and storage in place, can pick up works at private sale before they ever reach an auction house.

The underlying pool is growing alongside the transfer. Art and collectible wealth among ultra-high-net-worth individuals grew from $2.17 trillion in 2022 to $2.56 trillion in 2024, an 18% rise, with projections putting the figure at $3.47 trillion by 2030. The supply of investment-grade art does not expand to meet that wealth. It is part of why we tend to think about art prices as a call option on the wealth of the top 1%. When the capital that can buy blue-chip works keeps growing and the works themselves stay fixed, the natural buyers are the families and offices already at the table.

Is art a good investment for a portfolio?

The investment argument for art rests on three pillars: low correlation, long-term appreciation, and inflation sensitivity. We would add a fourth caveat to all of it, which is discipline about which art you actually own.

On correlation, art prices have historically moved independently of stocks and bonds. This makes art useful as a diversifier, particularly in portfolios already heavy in equities and private equity. The point of diversification is owning an asset that is largely indifferent to the forces driving everything else. Art's highest correlation tends to be with gold, and even that is low. During periods of equity volatility, art has tended to hold value or even appreciate.

On returns, the numbers are mixed but directionally positive for high-quality works. The Artprice100 index, which tracks the 100 top-performing artists at auction, rose roughly 433% from 2000 through 2023, outpacing the S&P 500 over the same period. We would be careful with that figure. It carries survivorship bias. Not all art appreciates, and the index tracks winners by definition. The discipline that matters is getting the artist market right first. The best example by an unknown artist will probably wind up not being worth much, while a strong example in a market that is appreciating is the thing you want to own.

The 2024 global art market tells a more nuanced story, and an honest one. Total sales fell 12% to $57.5 billion, driven largely by a 45% contraction in the $10 million-plus segment. The high end tested patience. But volume actually rose 3%, and the mid-market (works priced between $50,000 and $1 million) generated around $8 billion in auction sales. Post-war and contemporary art remains the most traded category, producing $1.8 billion in auction revenue in the first half of 2025 alone, per Artnet.

For family offices, the mid-market is often where the real work gets done. Trophy pieces at $50 million or more grab the headlines, but works in the $100,000 to $5 million range offer stronger liquidity and more consistent price support. The data backs this up. Mid-market segments contracted at slower rates than the ultra-high end during the 2024 correction. That is a sign of a healthier part of the market.

What gaps remain in family office art investing?

For all the growth in family office art activity, the infrastructure is still catching up, and the data on advisors is moving the wrong way. The Deloitte 2025 report found that the share of wealth managers offering dedicated art services actually fell from 63% in 2023 to 51% in 2025. That means nearly half of all wealth management firms still do not offer art-related support, even as client demand for it rises.

Family offices are filling this gap with hybrid models, partnering with external art advisors, auction houses, and specialized firms rather than building art expertise in-house. Twenty-two percent of family offices see strong appetite for art investment services like art funds, managed accounts, and fractional investment platforms.

Liquidity remains the biggest structural limitation, and we would not pretend otherwise. Art is illiquid by nature. Selling a major work can take months, and the outcome depends on timing, market conditions, and the specific tastes of a small pool of buyers. This is why most family offices treat art as a long-term hold, measured in decades rather than quarters. We tend to frame the right allocation the same way: a small slice of a portfolio, usually under 5% to start and rarely above 10%, held over a 3 to 10 year horizon. Sized that way, the illiquidity is a feature you can live with.

Valuation is the other honest constraint. Unlike stocks or bonds, art has no ticker price. Appraisals are subjective, and two qualified appraisers can reach meaningfully different conclusions about the same work. For family offices that need to report asset values to beneficiaries or comply with regulatory requirements, this ambiguity adds complexity. It is also exactly the gap that reliable, repeat-sale data is built to close.

The Bottom Line

  • Family offices manage over $3.1 trillion globally and allocate 44% of their portfolios to alternatives, with art and collectibles forming a small but growing slice of that allocation.
  • The Deloitte Art & Finance Report puts the average family office art allocation at 13.4% among those that actively engage with the asset class, far above the private bank average of 8.6%.
  • A $992 billion wave of art and collectibles is set to change hands over the next decade as wealth transfers between generations, creating both buying opportunities and demand for advisory services.
  • Family offices approach art with institutional rigor: formal governance, professional advisors, private transactions, and integration into estate and tax planning.
  • Art's low correlation to stocks and bonds makes it useful for portfolio diversification, though illiquidity and subjective valuation remain real constraints that limit how much capital most offices will commit.

Sources

  1. Deloitte Private. "The Family Office Insights Series, Global Edition." Deloitte, 2024. https://www.deloitte.com/global/en/about/press-room/global-edition-explores-the-rapid-expansion-family-offices-and-ffers-vision-of-the-future-landscape.html
  2. UBS. "Global Family Office Report 2025." UBS, May 2025. https://www.ubs.com/content/dam/assets/wma/static/documents/ubs-gfo-report.pdf
  3. Deloitte Private and ArtTactic. "Art & Finance Report 2025 (9th Edition)." Deloitte Luxembourg, 2025. https://arttactic.com/reports/deloitte-and-arttactic-or-art-and-finance-report-2025
  4. BlackRock. "2025 Global Family Office Report." BlackRock, June 2025. https://www.blackrock.com/institutions/en-global/institutional-insights/thought-leadership/global-family-office-survey
  5. Artprice. "The Art Market in 2024." Artprice.com, 2025. https://www.artprice.com/artprice-reports/the-art-market-in-2024
  6. Maddox Gallery. "Art, Wealth & Legacy 2025: Eight Forces Transforming How the World Collects." Maddox Gallery, 2025. https://maddoxgallery.com/news/488-art-wealth-legacy-2025-eight-forces-transforming/
  7. Funds Society. "The Great Wealth Transfer Will Drive Art Investment." Funds Society, 2025. https://www.fundssociety.com/en/news/alternatives/the-great-wealth-transfer-will-drive-art-investment-it-will-reach-3-5-trillion-by-2030/
  8. Morgan Stanley. "Art as an Investment Class." Morgan Stanley, 2025. https://advisor.morganstanley.com/the-harmony-family-office/articles/managing-significant-wealth/art-as-an-investment-class
  9. Certuity. "2025 Family Office Investment Insights: Global Trends and Strategies." Certuity, 2025. https://certuity.com/insights/family-office-investment-insights/