I'm curious and since the OP is outdated, how many collections globally currently keep orca?
I will happily post an updated population list tomorrow for you!
Off the top of my head;
South America:
Mundo Marino:
1.0 Kshamenk (1989) Wild
North America:
SeaWorld San Diego:
1.0 Ulises (1979) Wild
1.0 Keet (02/02/1993) Kotar x Kalina
1.0 Ikaika (25/08/2002) Tilikum x Katina
1.0 Makani (14/02/2013) Kshamenk x Kasatka
0.1 Corky (1966) Wild
0.1 Orkid (23/09/1988) Orky x Kandu V
0.1 Shouka (25/02/1993) Kim 2 x Sharkane
0.1 Kalia (21/12/2004) Keet x Kasatka
SeaWorld Orlando:
1.0 Trua (23/11/2005) Taku x Takara
1.0 Makaio (09/10/2010) Tilikum x Katina
0.1 Katina (1976) Wild
0.1 Nalani (18/09/2006) Taku x Katina
0.1 Malia (12/03/2007) Tilikum x Taima
SeaWorld San Antonio:
1.0 Kyuquot (24/12/1991) Tilikum x Haida 2
1.0 Tuar (22/06/1999) Tilikum x Kalina
0.1 Takara (09/07/1991) Kotar x Kasatka
0.1 Sakari (07/01/2010) Tilikum x Takara
0.1 Kamea (06/12/2013) Kshamenk x Takara
Europe:
Loro Parque:
1.0 Keto (17/06/1995) Kotar x Kalina
1.0 Tekoa (08/11/2000) Tilikum x Taima
1.0 Adan (13/10/2010) Keto x Kohana
0.1 Morgan (2007)
Marineland Antibes:
1.0 Inouk (23/02/1999) Kim 2 x Sharkane
1.0 Moana (16/03/2011) Ulises x Wikie
1.0 Keijo (20/11/2013) Inouk x Wikie
0.1 Wikie (01/06/2001) Kim 2 x Sharkane
Asia:
Moskavarium:
0.1 Naja (2010) Wild
Chimelong:
*10 confirmed Orcas - names, ages not officially confirmed
Shanghai Haichang Ocean Park:
1.0 Dylan (2004) Wild
1.0 Sean (2012) Wild
1.0 Cody (10/09/2021) Dylan x Cookie
0.1 Cookie (2012) Wild
0.1 Dora (2011) Wild
Wuxi:
1.0 Unknown (?) Wild
1.0 Unknown (?) Wild
Kamogawa:
0.1 Lovey (11/01/1998) Bingo x Stella
0.1 Lara (08/02/2001) Bingo x Stella
0.1 Ran (25/02/2006) Bingo x Stella
0.1 Luna (19/07/2012) Oscar x Lovey
Port of Nagoya:
0.1 Stella (1986) Wild
1.0 Earth (13/10/2008) Oscar x Lovey
0.1 Lynn (13/11/2012) Bingo x Stella