Austrian patron donates work to Reina Sofia and commissions new piece by Ragnar Kjartansson to be shown at Museo Nacional Thyssen-Bornemisza

Italian patron is looking for an alternative site in the Spanish capital after encountering "structural problems" with Matadero's Nave 9 building

The film, directed by her daughter Catherine, shows the roots of the collector's social activism

The San Francisco-based philanthropist tells us what she's bought and why

The artist’s trademark motifs make his work easily recognisable and desirable—but there is more to this Surrealist than apples and bowler hats

What do young collectors want, what do they buy, and, as they become richer, will they add rocket fuel to the art market—or blow it up entirely?

An exhibition in Athens about the life of Christian Zervos, whose 33-volume catalogue of the artist is indispensable to the Picasso market

Isabel dos Santos, Africa’s richest woman, is married to Sindika Dokolo who has been working for years on repatriating works to the African continent

As his Miami arts space turns 20, the arts patron discusses Nathalie Djurberg's pink octopus and why takeout would be on the menu at his dinner party

The real estate and entertainment entrepreneur on why he kicks himself daily for not buying a Simone Leigh sculpture

The New York-based arts patron on her fascination with maritime artefacts and her regret at missing out on one of Monet's waterlilies

The Argentine real estate developer on installing Alfredo Jaar's electronic billboard on a boat and purchasing his first work at the age of 16

Not collecting sustainably? OK, boomer

Collectors and artists are scrambling to find solutions to the US government’s penalty tariffs

Collector Maria Chen-Tu says she had loaned works by Markus Lüpertz and Anselm Kiefer to a businessman to be shown in museums

The royal amassed works of art in every field from Rembrandt paintings to Sèvres porcelain

The property was once home to Paul Schultze-Naumburg, a leading proponent of Nazi cultural policy

Along with his wife Gael Neeson, the plastics mogul was considered a "Nobel Laureate of Chicago Philanthropy"

Wizard of Oz vision inspires new $15m contemporary art centre in San Antonio designed by David Adjaye

The restauranteur tells us about his unusual Bridget Riley work and displaying his art on his new boat

The art patron and consultant tells us about her special Robert Mapplethorpe gift and her love for her mother's ivory

The private collector tells us about her dreams for her own museum and the difficulty of maintaining her food art

We talk to the fashion designer about lending a work to the Old Vic theatre and how he dreams of buying the Beyeler's entire Stingel show

While architects and designers are often inspired by the works of artists, their own acquiring habits are as varied as their influences

Kistefos's dramatic new exhibition gallery also functions as a panoramic bridge

The Vogels filled their modest apartment with contemporary art, but wage stagnation has seen the professional-classes squeezed out of this overheated market

Seats on boards offered by major museums are increasingly being used to serve the narrow agendas of the ultra-rich