History:Founded: 1931
 Euroleague: 2017-1, 18-3, 19-3, 20-2, 21-6, 22-4, 23-3, 24-1
League achievements:
Spanish League Champion -1957, 58, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 79, 80, 82, 84, 85, 86, 97, 2000, 05, 07, 13, 15, 16, 18, 19, 22, 24, 25Spanish League Finalist -1993, 94, 2001, 12, 14, 17, 21, 23 Spanish League Semifinals -2009, 10, 11 Spanish League Regular Season Champion -2008, 13, 14, 15, 17, 18, 19, 21, 24, 25 Spanish League Regular Season Runner-Up -2005, 07, 11, 12, 16, 20, 22 Spanish Cup Winner -2012, 14, 15, 16, 17, 20, 24 Spanish Cup Finalist -2001, 05, 07, 10, 11, 18, 19, 21, 22, 25, 26 Spanish Cup Semifinals -2006, 08, 23 Spanish Supercup Winner -2013, 14, 15, 19, 20, 21, 22, 23, 24 Spanish Supercup Finalist -2004, 10, 25, 26 Spanish Supercup Semifinals -2011, 12, 16, 17 Spanish Generalissimo's Cup Finalist -1958
European cups:
1998-1999: Euroleague1999-2000: Euroleague 2000-2001: ULEB Euroleague: (took 2nd place (7-3) Group C), lost to P{af Bologna  in quarterfinals2001-2002: ULEB Euroleague: Stage 1: took 2nd place (9-5) in Group C; Stage 2: took 3rd place (3-3) in Group F 2002-2003: ULEB Euroleague: took 6th place (6-8) in Group C 2003-2004:  ULEB Cup: took 2nd place (7-3) in Group A, lost in the final to Hapoel Jerusalem2004-2005:  Euroleague: took 4th place (7-7) in Group A, then took 3rd place (2-4) in Group E of Top162005-2006:  Euroleague: took 4th place (7-7) in Group C, then took 2nd place (4-2) in Group E, lost to Barcelona 1-2 in the quarterfinals2006-2007: ULEB Cup: took 1st place (7-3) in Group D, beat in the Final Lietuvos Rytas  87-75 !!!2007-2008: Euroleague: took 2nd place (11-3) in Group C, then took 3rd place (3-3) in Group F of Top 162008-2009: took 2nd place (6-4) in Group D of Regular Season, took 1st place (5-1) in Group F of Top16. lost to Olympiakos 1-3 in the Quarterfinals 2009-2010: Euroleague: took 1st place (8-2) in Group D of Regular Season, took 2nd place (3-3) in Group F of Top16, lost 1-3 to Barca  in the Quarterfinals2010-2011: Euroleague: took 2nd place (6-4) in Group B of Regular Season, took 1st place (5-1) in Group G of Top16, lost to Maccabi T-A 63-82 in the Semifinals (!!!), lost to Montepaschi 62-80 in the 3rd Place Game2011-2012: Euroleague: took 1st place (8-2) in Group C of Regular Season, took 3rd place (4-2) in Group F of Top162012-2013: Euroleague: took 1st place (7-3) in Group A of the Regular Season, took 2nd place (10-4) in Group E of the Top16, lost to Olympiakos 88-100 in the Final !!!2013-2014: Euroleague: took 1st place (10-0) in Group B of the Regular Season, took 2nd place (11-3) in Group F of the Top16, lost 86-98 to Maccabi T-A in the Final !!!2014-2015: Euroleague: took 1st place (8-2) in Group A of the Regular Season, took 1st place (11-3) in Group E of the Top16, beat Fenerbahce Ulker 96-87 in the Semifinals, beat Olympiacos 78-59 in the Final (!!!)2015-2016: Euroleague: took 4th place (5-5) in Group A of the Regular Season, took 4th place (7-7) in Group F of the Top16, lost to Fenerbahce Ulker 0-3 in the Quarterfinals (!!!)2016-2017: Euroleague: took 1st place (23-7), lost to Fenerbahce 75-84 in the Semifinals, lost to CSKA 70-94 in the 3rd Place Game (!!!)2017-2018: Euroleague: took 3rd place (19-11), beat CSKA 92-83 in the Semifinals, beat Fenerbahce 85-80 in the Final (!!!)2018-2019: Euroleague: took 3rd place (22-8) in Regular Season, lost to CSKA 90-95 in the Semifinals (!!!)2019-2020: Euroleague: took 2nd place (22-6) in Regular Season, the season ended without play-offs due to covid-19 outbreak2020-2021: Euroleague: took 6th place (20-14) in Regular Season, lost to Anadolu Efes 2-3 in the Quarterfinals2021-2022: Euroleague: took 4th place (18-10) in Regular Season, beat FC Barcelona 86-83 in the Semifinals, lost to Anadalo Efes Istanbul 57-58 in the Final (!!!)2022-2023: Euroleague: took 3rd place (23-11) in Regular Season, beat Olympiacos 79-78 in the Final (!!!)2023-2024: Euroleague: took 1st place (27-7) in Regular Season, beat Olympiacos 87-76 in the Semifinals, lost to Panathinaikos 80-95 in the Final (!!!)
European Cups achievements:
Euroleague Champion -2015, 18, 23Euroleague Finalist -2013, 14, 22, 24, 26 Euroleague Final Four -2011, 17, 19 Euroleague Quarterfinals -2006, 09, 10, 16, 21, 25 Euroleague Regular Season Champion -2024 European Cup Winner -1964, 65, 67, 68, 74, 78, 80 Cup of Cup Winners Winner -1984, 89, 92 Champions Cup Winner -1964, 65, 67, 68, 74, 78, 80, 85 Korac Cup Winner -1988 ULEB Cup Winner -2007 ULEB Cup Finalist -2004 ULEB Euroleague Quarterfinals -2001 InterContinental Cup Winner -2016 |
| Since 2001 |
 1997-2001 |
 1941-1997 |
 1931-1941 |
 1920-1931 |
 1909-1920 |
 Until 1909 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | Supercup | European competitions |
|---|---|---|---|---|---|---|---|
| 1933 | 1 | Primera Liga |  lost in Final 11-21 to Rayo Club | Finalist | |||
| 1944 | 1 | Primera Liga | Finalist | ||||
| 1948 | 1 | Primera Liga | Finalist | ||||
| 1949 | 1 | Primera Liga | Semifinals | ||||
| 1950-51 | 1 | Primera Liga | Winner | ||||
| 1951-52 | 1 | Primera Liga | Winner | ||||
| 1952-53 | 1 | Primera Liga | Finalist | ||||
| 1953-54 | 1 | Primera Liga | Winner | ||||
| 1954-55 | 1 | Primera Liga | Finalist | ||||
| 1955-56 | 1 | Primera Liga | 7-3 | 1st  | Winner | ||
| 1956-57 | 1 | Primera Liga | 7-3 | 1st | Winner | ||
| 1957-58 | 1 | Primera Liga | 16-2 | 1st | Finalist |  Euroleague: 20th, lost in Semis 0-20 to SKVO Riga | |
| 1958-59 | 1 | Primera Liga | 19-3 | 2nd | Semifinals | ||
| 1959-60 | 1 | Primera Liga | 20-2 | 1st | Winner | ||
| 1960-61 | 1 | Primera Liga | 21-1 | 1st | Winner | ||
| 1961-62 | 1 | Primera Liga | 18-0 | 1st | Winner | ||
| 1962-63 | 1 | Primera Liga | 9-1 | 1st (Group A) | Finalist | ||
| 1963-64 | 1 | Primera Liga | 11-1 | 10th (Group A) | Semifinals | ||
| 1964-65 | 1 | Primera Liga | 13-1 | 1st | Winner | ||
| 1965-66 | 1 | Primera Liga | 16-2 | 1st | Winner | ||
| 1966-67 | 1 | Primera Liga | 18-2 | 2nd | Winner | ||
| 1967-68 | 1 | Primera Liga | 18-2 | 1st | Semifinals | ||
| 1968-69 | 1 | Primera Liga | 18-3 | 1st | Finalist | ||
| 1969-70 | 1 | Primera Liga | 19-3 | 1st | Winner | ||
| 1970-71 | 1 | Primera Liga | 21-1 | 1st | Winner | ||
| 1971-72 | 1 | Primera Liga | 21-1 | 1st | Winner | ||
| 1972-73 | 1 | Primera Liga | 30-0 | 1st | Winner | ||
| 1973-74 | 1 | Primera Liga | 27-0 | 1st | Winner | ||
| 1974-75 | 1 | Primera Liga | 20-2 | 1st | Winner | ||
| 1975-76 | 1 | Primera Liga | 29-3 | 1st | Finalist | ||
| 1976-77 | 1 | Primera Liga | 21-1 | 1st | Winner | ||
| 1977-78 | 1 | Primera Liga | 19-3 | 2nd | Finalist | ||
| 1978-79 | 1 | Primera Liga | 19-1 | 1st | Semifinals | ||
| 1979-80 | 1 | Primera Liga | 20-2 | 1st | |||
| 1980-81 | 1 | Primera Liga | 18-6 | 3rd | Finalist | ||
| 1981-82 | 1 | Primera Liga | 25-1 | 1st | Finalist | ||
| 1982-83 | 1 | Primera Liga | 25-1 | 2nd | Semifinals | ||
| 1983-84 | 1 | Liga ACB | 1st beat FC Barcelona 2-1 in the Finals | Semifinals | |||
| 1984-85 | 1 | Liga ACB | 1st beat Rnegr. Joventut 2-1 in the Finals | Winner | Winner | ||
| 1985-86 | 1 | Liga ACB | 1st beat FC Barcelona 2-0 in the Finals | Winner | Finalist | ||
| 1986-87 | 1 | Liga ACB | 4th, lost in Semis 1-3 to FC Barcelona | Finalist | |||
| 1987-88 | 1 | Liga ACB | 2nd lost in Finals 2-3 to FC Barcelona | Finalist | |||
| 1988-89 | 1 | Liga ACB | 2nd lost in Finals 2-3 to FC Barcelona | Winner | |||
| 1989-90? | 1 | Liga ACB | 3rd, lost in Semis 0-3 to Ram Joventut | Semifinals | |||
| 1990-91? | 1 | Liga ACB | 24-10 | 2nd (Group Odd), lost in Quarterfinals 0-2 to Taugres | Semifinals | ||
| 1991-92? | 1 | Liga ACB | 24-10 | 4th lost in Finals 2-3 to Mont.Joventut | |||
| 1992-93 | 1 | Liga ACB | 25-6 | 1st beat Marb.Joventut 3-2 in the Finals | Winner |  Euroleague: 1st (Group B) (12-2), lost in Semis 52-62 to Limoges | |
| 1993-94 | 1 | Liga ACB | 24-4 | 1st beat FC Barcelona 3-0 in the Finals | Semifinals | ||
| 1994-95 | 1 | Liga ACB | 23-15 | 3rd, lost in Semis 2-3 to FC Barcelona | Semifinals | ||
| 1995-96 | 1 | Liga ACB | 28-10 | 5th, lost in Quarterfinals 0-2 to CSF Sevilla | Semifinals | ||
| 1996-97 | 1 | Liga ACB | 29-5 | 2nd lost in Finals 2-3 to FC Barcelona | |||
| 1997-98 | 1 | Liga ACB | 25-9 | 3rd, lost in Semis 1-3 to Manresa | Euroleague: 5th (Group A) (4-6)  | ||
| 1998-99 | 1 | Liga ACB | 26-8 | 3rd, lost in Semis 1-3 to CSF Sevilla | Semifinals | Euroleague: 3rd (Group D) (6-4), lost in QuarterFinals 0-2 to Teamsystem BO | |
| 1999-00 | 1 | Liga ACB | 23-11 | 1st beat FC Barcelona 3-2 in the Finals | Euroleague: 3rd (Group B) (5-5), lost in 1/8 Finals 0-2 to ASVEL | ||
| 2000-01? | 1 | Liga ACB | 27-7 | 2nd lost in Finals 0-3 to FC Barcelona | Finalist |  Euroleague: 2nd (Group C) (7-3), lost in Quarterfinals 1-2 to Paf Bologna | |
| 2001-02 | 1 | Liga ACB | 24-10 | 5th, lost in Quarterfinals 2-3 to Estudiantes | Euroleague: 2nd (Group C) (9-5) | ||
| 2002-03 | 1 | Liga ACB | 17-17 | 10th | Euroleague: 6th (Group C) (6-8) | ||
| 2003-04 | 1 | Liga ACB | 20-14 | 6th, lost in Quarterfinals 1-3 to Estudiantes |  Eurocup: 2nd (Group A) (7-3) lost in Final 72-83 to Joventut BDL | ||
| 2004-05 | 1 | Liga ACB | 26-8 | 1st beat Tau Ceramica 3-2 in the Finals | Finalist | Finalist | Euroleague: 4th (Group A) (7-7) |
| 2005-06 | 1 | Liga ACB | 19-15 | 6th, lost in Quarterfinals 1-3 to FC Barcelona | Semifinals | Semifinals |  Euroleague: 4th (Group C) (7-7), lost in Quarterfinals 1-2 to FC Barcelona |
| 2006-07 | 1 | Liga ACB | 25-9 | 2nd | Finalist | Eurocup: 1st (Group D) (7-3) beat L.rytas 87-75 in the Final | |
| 2007-08 | 1 | Liga ACB | 29-5 | 1st, lost in Quarterfinals 0-2 to Unicaja MAL | Semifinals | Semifinals | Euroleague: 2nd (Group C) (11-3) |
| 2008-09? | 1 | Liga ACB | 23-9 | 4th lost in Semifinals 1-2 to Tau Ceramica | Euroleague: 2nd (Group D) (6-4) lost in Quarterfinals 1-3 to Olympiacos | ||
| 2009-10? | 1 | Liga ACB | 27-7 | 3rd, lost in Semifinals 2-3 to Caja Laboral | Finalist | Finalist | Euroleague: 1st (Group D) (8-2) lost in Quarterfinals 1-3 to FC Barcelona |
| 2010-11 | 1 | Liga ACB | 26-8 | 2nd lost in Semis 1-3 to Bizkaia Bilbao | Finalist | Semifinals |  Euroleague: 2nd (Group B) (6-4) |
| 2011-12 | 1 | Liga Endesa | 26-8 | 2nd lost in Finals 2-3 to FC Barcelona | Winner | Semifinals | Euroleague: 1st (Group C) (8-2) |
| 2012-13 | 1 | Liga Endesa | 30-4 | 1st beat FC Barcelona 3-2 in the Finals | Winner | Euroleague: 1st (Group A) (7-3) lost in Finals 88-100 to Olympiacos | |
| 2013-14 | 1 | Liga Endesa | 32-2 | 1st lost in Finals 1-3 to FC Barcelona | Winner | Winner | Euroleague: 1st (Group B) (10-0) lost in Final 86-98 to Macc. Tel-Aviv |
| 2014-15 | 1 | Liga Endesa | 27-7 | 1st beat FC Barcelona 3-0 in the Finals | Winner | Winner | Euroleague: 1st (Group A) (8-2) beat Olympiacos 78-59 in the Final |
| 2015-16 | 1 | Liga Endesa | 29-5 | 2nd beat FC Barcelona 3-1 in the Finals | Winner | Semifinals | Euroleague: 4th (Group A) (5-5), lost in Quarterfinals 0-3 to Fenerbahce |
| 2016-17 | 1 | Liga Endesa | 25-7 | 1st lost in Finals 1-3 to Valencia Basket | Winner | Semifinals |  Euroleague: 1st (23-7), lost in Semis 75-84 to Fenerbahce |
| 2017-18 | 1 | Liga Endesa | 30-4 | 1st beat Baskonia 3-1 in the Finals | Finalist | Semifinals | Euroleague: 5th (19-11) beat Fenerbahce 85-80 in the Final |
| 2018-19 | 1 | Liga Endesa | 28-6 | 1st beat FC Barcelona 3-1 in the Finals | Finalist | Winner | Euroleague: 3rd (22-8), lost in Semis 90-95 to PBC CSKA |
| 2019-20 | 1 | Liga Endesa | 18-5 | 2nd | Winner | Winner | Euroleague: 2nd (22-6) |
| 2020-21 | 1 | Liga Endesa | 34-2 | 1st lost in Finals 0-2 to FC Barcelona | Finalist | Winner | Euroleague: 6th (20-14), lost in Quarterfinals 2-3 to Anadolu Efes |
| 2021-22 | 1 | Liga Endesa | 25-9 | 2nd beat FC Barcelona 3-1 in the Final | Finalist | Winner | Euroleague: 4th (18-10) lost in Final 57-58 to Anadolu Efes |
| 2022-23 | 1 | Liga Endesa | 28-6 | 3rd lost in Final 0-3 to FC Barcelona | Semifinals | Winner | Euroleague: 3rd (23-11) beat Olympiacos 79-78 in the Final |
| 2023-24 | 1 | Liga Endesa | 28-6 | 1st beat UCAM 2-0 in the Final | Winner | Winner | Euroleague: 1st (27-7) lost in Final 80-95 to Panathinaikos |
| 2024-25 | 1 | Liga Endesa | 30-4 | 1st beat Valencia Basket 3-0 in the Final | Finalist | Finalist | Euroleague: 7th (20-14), lost in Quarterfinals 1-3 to Olympiacos |
