History:Founded: 1983 as Club Baloncesto Caja Bilbao. Closed in 1994
League achievements:
Spanish League Finalist -2011Spanish LEB1 Champion -2004 Spanish LEB1 Regular Season Champion -2004 Spanish LEB Oro Play-Off Champion -2019 Spanish LEB Oro Copa Princesa de Asturias Finalist -2019 Spanish Cup Semifinals -2008, 16 Spanish ACB Supercup Finalist -2007 Spanish ACB Supercup Semifinals -2012, 14
European cups:
2008-2009:  Eurocup: took 1st place (6-0) in Group H of Regular Season, took 1st place (4-2) in Group L of Top16, lost to Khimky (Russia) 73-79 in the Semifinals (!!!)2009-2010: Eurocup: beat Donetsk  in Qualifying Round, took 1st place (6-0) in Group E of Regular Season, took 1st place (4-2) in Group K of Last16, lost to ALBA  70-77 in the Semis, beat Panellinios  76-67 in the 3rd Place Game (!!!)2011-2012:  Euroleague: took 4th place (5-5) in Group A of Regular Season, took 2nd place (4-2) in Group F of Top16, lost to CSKA 1-3 in the Quarterfinals (!!!)2012-2013: Eurocup: took 1st place (6-0) in Group B of the Regular Season, took 1st place (4-2) in Group J of the Top16, lost to Lokomotiv 64-75 in the Final !!!2015-2016: Eurocup: took 1st place (8-2) in Group A of the Regular Season, took 3rd place (3-3) in Group G of the Second Stage2016-2017:  7DAYS EuroCup: took 5th (last) place () in Group B of Stage One2017-2018: 7DAYS EuroCup: took 5th place (2-8) in Group C of Stage One2020-2021:  Basketball Champions League: took 3rd place (2-4) in Group F of Stage One2022-2023: Basketball Champions League: took 1st place (4-2) in Group D of Stage One, took 4th place (1-5) in Group L of Second Stage2023-2024:  FIBA Europe Cup: took 1st place (6-0) in Group C of First Stage, took 1st place (5-1) in Group K of Second Stage, lost to NINERS Chemnitz 82-73 and 73-98 in the Semifinals (!!!)
European cups achievements:
Euroleague Quarterfinals -2012EuroCup Finalist -2013 EuroCup Final Four -2009, 10 FIBA Europe Cup Winner -2025, 26 FIBA Europe Cup Semifinals -2024 |
| Since 2021 |
 2016-2021 |
 2015-2016 |
 2009-2015 |
 2007-2009 |
 Until 2007 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | Supercup | European competitions |
|---|---|---|---|---|---|---|---|
| 1984-85 | 1 | Primera B | 4th | ||||
| 1985-86 | 1 | Primera B | 2nd | ||||
| 1986-87 | 1 | Liga ACB | 9th, lost in 1/8 Finals 1-2 to Caja de Alava | Semifinals | |||
| 1987-88 | 1 | Liga ACB | 1st, lost in 1/8 Finals 0-2 to Estudiantes | ||||
| 1988-89 | 1 | Liga ACB | 1st | ||||
| 1989-90 | 1 | Liga ACB | 1st | ||||
| 1990-91 | 1 | Liga ACB | 12-22 | 11th (Group Odd)  | |||
| 1991-92 | 2 | Primera | 9th | ||||
| 1992-93 | 2 | Primera | 3rd | ||||
| 1993-00 | 2 | Primera | 1st  | ||||
| 2000-01? | 3 | LEB2 | |||||
| 2001-02 | 3 | LEB2 | | ||||
| 2002-03 | 2 | LEB | |||||
| 2003-04? | 2 | LEB | | ||||
| 2004-05 | 1 | Liga ACB | 12-22 | 14th | |||
| 2005-06 | 1 | Liga ACB | 13-21 | 15th | |||
| 2006-07? | 1 | Liga ACB | 15-19 | 10th | |||
| 2007-07 | 1 | Liga ACB | 21-13 | 6th, lost in Quarterfinals 0-2 to FC Barcelona | Semifinals | Finalist | |
| 2007-08 | 1 | Liga Endesa | 21-13 | 6th, lost in Quarterfinals 0-2 to FC Barcelona | Semifinals | Finalist | |
| 2008-08? | 1 | Liga ACB | 15-17 | 8th, lost in Quarterfinals 0-2 to Tau Ceramica |  Eurocup: 1st (Group H) (6-0), lost in Semis 73-79 to Khimki | ||
| 2008-09 | 1 | Liga Endesa | 15-17 | 8th, lost in Quarterfinals 0-2 to Tau Ceramica | Eurocup: 1st (Group H) (6-0), lost in Semis 73-79 to Khimki | ||
| 2009-10 | 1 | Liga ACB | 16-18 | 9th | Eurocup: 1st (Group E) (6-0), lost in Semis 70-77 to ALBA Berlin | ||
| 2010-11? | 1 | Liga ACB | 21-13 | 6th  lost in Finals 0-3 to FC Barcelona | |||
| 2011-12 | 1 | Liga Endesa | 19-15 | 6th, lost in Q-Finals 0-2 to Caja Laboral | Semifinals |  Euroleague: 4th (Group A) (5-5), lost in Quarterfinals 1-3 to CSKA | |
| 2012-13 | 1 | Liga Endesa | 19-15 | 6th, lost in Q-Finals 1-2 to FC Barcelona | Eurocup: 1st (Group B) (6-0) lost in Final 64-75 to Lokomotiv K | ||
| 2013-14 | 1 | Liga Endesa | 12-22 | 14th | Semifinals | Eurocup: 3rd (Group B) (5-5) | |
| 2014-15? | 1 | Liga Endesa | 20-14 | 4th, lost in Q-Finals 1-2 to Valencia Basket | |||
| 2015-16? | 1 | Liga Endesa | 16-18 | 10th | Semifinals | Eurocup: 1st (Group A) (8-2) | |
| 2016-17 | 1 | Liga Endesa | 14-18 | 10th |  Eurocup: 5th (Group B) (3-5) | ||
| 2017-18 | 1 | Liga Endesa | 8-26 | 17th | Eurocup: 5th (Group C) (2-8) | ||
| 2018-19 | 2 | LEB Gold | | ||||
| 2019-20 | 1 | Liga Endesa | 14-9 | 5th | |||
| 2020-21? | 1 | Liga Endesa | 10-26 | 17th |  Basketball Champions League: 3rd (Group F) (2-4) | ||
| 2021-22 | 1 | Liga Endesa | 16-18 | 9th | |||
| 2022-23 | 1 | Liga Endesa | 14-20 | 12th | Basketball Champions League: 1st (Group D) (4-2) | ||
| 2023-24 | 1 | Liga Endesa | 13-21 | 13th |  FIBA Europe Cup: 1st (Group B) (6-0) | ||
| 2024-24 | 1 | Liga Endesa | 11-23 | 15th | FIBA Europe Cup: 1st (Group J) (6-0)  | ||
| 2024-25 | 1 | Liga Endesa | 11-23 | 15th | FIBA Europe Cup: 1st (Group J) (6-0) |
