Christie's and Sotheby's Close 2025 at $13.2B Combined, Private Sales Climb to 31% of Volume
Trophy lots anchored public auctions while private treaty business reached decade highs, signaling structural shift in ultra-high-net-worth collecting behavior.
Christie's reported $6.2 billion in total sales for 2025, up 8% year-over-year, while Sotheby's tallied $7.0 billion, a 12% increase. Private sales accounted for $4.1 billion of the combined total, representing 31% of auction house revenue compared to 24% in 2024. Both houses credited trophy-lot concentration in public auctions and sustained demand for discreet off-market transactions among family offices and sovereign wealth buyers.
The luxury goods category drove the rebound. Rare watches, jewelry, and handbags collectively generated $2.8 billion across both platforms, up 19% from 2024. Sotheby's November Geneva watch sale alone cleared $147 million, setting six category records. Christie's Magnificent Jewels series in Hong Kong, Geneva, and New York brought $1.1 billion, with a single Golconda diamond fetching $68 million in May. Contemporary art remained volatile—total sales rose 3%, but sell-through rates fell to 71% from 78% the prior year, indicating selective bidding.
Private treaty volume tells the more durable story. Family offices and institutional collectors used both houses to move eight- and nine-figure works outside public view, avoiding price discovery risk in a year when secondary-market comps remained uneven. Christie's private sales rose 22% to $1.9 billion; Sotheby's climbed 27% to $2.2 billion. Regional breakdowns show Asia-Pacific private deals up 34%, driven by Mainland Chinese buyers rotating out of domestic real estate into portable stores of value. One Singapore-based family office acquired a $42 million Impressionist work through Sotheby's in July without public announcement.
The shift matters because private sales carry lower overhead, shorter settlement cycles, and no buyer's premium transparency. Both houses are hiring ex-private bankers to staff regional offices in Singapore, Dubai, and Zurich. Sotheby's opened a 12,000-square-foot private viewing facility in Geneva in October; Christie's expanded its Hong Kong private client suite by 40% in September. Commission structures on private deals remain opaque, but industry participants estimate blended rates between 8% and 12%, compared to public hammer premiums of 25% to 27%.
Operators should monitor Q1 2026 Impressionist and Modern evening sales in London and New York, scheduled for late February and mid-March. Consignment pipelines for those auctions close in early January, offering a read on whether trophy supply continues or families hold through geopolitical noise. Watch for any disclosure around private sales growth by region in annual reports, typically filed in late March. The Geneva watch week in mid-May will test whether luxury hard assets maintain double-digit growth or revert to historical 4%-6% appreciation.
Both houses face succession questions. Sotheby's owner Patrick Drahi remains levered at 6.2x EBITDA after refinancing in November; any forced sale of the platform would reset private client relationships. Christie's parent Artémis has been quiet on capital allocation since acquiring full control in 2023, but the Pinault family historically monetizes trophy assets when multiples compress. The 31% private sales share is not a temporary accommodation—it is the new baseline for allocating illiquid collectibles in volatile markets.
The takeaway
Private treaty deals now anchor auction house revenue models, with $4.1B transacted off-market in 2025 as allocators prioritize discretion over price discovery.
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