Anna has placed works in private collections by the following artists:

Rita Ackermann, Ruth Asawa, Jean Michel Basquiat, Larry Bell, Amoako Boafo, Louise Bourgeois, Mark Bradford, Cecily Brown, Lucy Bull, George Condo, Matthew-Day Jackson, Martin Eder, Tracey Emin, Douglas Gordon, Mark Grotjahn, Jennifer Guidi, Mary Heilmann, Damien Hirst, Loie Hollowell, Rashid Johnson, Mike Kelley, Jeff Koons, Barbara Kruger, Yayoi Kusama, Simone Leigh, Glenn Ligon, Paul McCarthy, Julie Mehretu, Joan Mitchell, Angel Otero, Nicholas Party, Francis Picabia, Richard Prince, Barbara Chase-Riboud, Sterling Ruby, Ed Ruscha, Richard Serra, Amy Sherald, Avery Singer, Vaugh Spann, Claire Tabouret, Henry Taylor, Wolfgang Tillmans, Andy Warhol, Tom Wesselmann, Franz West, Issy Wood, Jonas Wood, Christopher Wool