History:Founded: 1951 as Kadiköy Spor, changed the name in 1976 as Efes Pilsen
 Euroleague: 2017-6, 18-16, 19-4, 20-1, 21-3, 22-6, 23-11, 24-9
League achievements:
Turkish League Champion -1979, 83, 84, 92, 93, 94, 96, 97, 02, 03, 04, 05, 09, 19, 21, 23Turkish League Runner-Up -1980 Turkish League 3rd Place -1981, 82 Turkish League Finalist -1986, 98, 99, 2000, 01, 06, 07, 10, 12, 15, 16, 22, 24 Turkish League Semifinals -1987, 89, 90, 95, 08, 11, 13, 17, 18, 25 Turkish League Regular Season Champion -1986, 93, 95, 96, 97, 98, 2000, 02, 04, 05, 09, 10, 16, 19, 20, 21, 24 Turkish League Regular Season Runner-Up -1984, 88, 94, 99, 01, 03, 06, 07, 08, 11, 13, 15, 22 Turkish Presidential Cup Winner -1986, 92, 93, 96, 98, 2000, 06, 09, 10 Turkish Cup Winner -1994, 96, 97, 98, 01, 02, 06, 07, 09, 15, 18, 22 Turkish Cup Finalist -2004, 14, 17, 19, 24 Turkish Cup Semifinals -2003, 08, 12, 26 Turkish President Cup Winner -1986, 92, 93, 96, 00, 07, 09, 10, 16, 19, 20, 25 Turkish Presidential Cup Finalist -1994, 97, 99, 01, 02, 03, 04, 05, 07 Turkish President Cup Finalist -1994, 97, 03, 08, 13, 17 Turkish Federation Cup Finalist -2004
European cups:
1986-1987: European Cup1988-1989: European Cup of Champions 1989-1990: Korac Cup 1990-1991: Korac Cup 1991-1992: Korac Cup 1992-1993: European Cup of Champions 1993-1994: European Cup of Champions 1994-1995: European Cup of Champions 1995-1996: Korac Cup: Winner (!!!) 1997-1998: Euroleague 1998-1999: Euroleague 1999-2000: Euroleague: Final Four 2000-2001: FIBA Suproleague: took 2nd place (13-5) in Group B 2001-2002:  Euroleague: Stage 1: took 4th place (9-5) in Group A; Stage 2: took 2nd place (3-3) in Group F2002-2003: ULEB Euroleague: took 2nd place (4-2) in Group D of 2nd Stage 2003-2004: Euroleague: took 1st place (10-4) in Group C, then took 2nd place (4-2) in Group E of Top162004-2005: Euroleague: took 1st place (12-1) in Group C, then took 2nd place (4-2) in Group G of Top16, lost 1-2 to PAO  in quarterfinals2005-2006:  Euroleague: took 2nd place (9-5) in Group B, then took 2nd place (3-3) in Group G, lost 0-2 to CSKA in th equarterfinals2006-2007: Euroleague: took 4th place (8-6) in Group A, then took 3rd place (2-4) in Group F of Top 162007-2008: Euroleague: took 4th place (8-6) in Group B, then took 1st place (1-5) in Group D of Top 16 2008-2009: Euroleague: took 5th place (4-6) in Group D2009-2010: Euroleague: took 4th place (4-6) in Group B of Regular Season, took 4th place (2-4) in Group F of Top162010-2011: Euroleague: took 3rd place (5-5) in Group D of Regular Season, took 3rd place (2-4) in Group G of Top162011-2012: Euroleague: took 3rd place (5-5) in Group C of Regular Season, took 4th place (1-5) in Group E of Top162012-2013: Euroleague: took 3rd place (5-5) in Group C of the Regular Season, took 3rd place (9-5) in Group E of the Top16, lost to Olympiacos 2-3 in the Quarterfinals !!!2013-2014: Euroleague: took 4th place (4-6) in Group B of the Regular Season, took 8th (last) place (2-12) in Group E of the Top162014-2015: Euroleague: took 2nd place (6-4) in Group A of the Regular Season, took 4th place (6-8) in Group F of the Top16, lost to Real Madrid 1-3 in the Quarterfinals2015-2016: Euroleague: took 2nd place (6-4) in Group B of the Regular Season, took 5th place (7-7) in Group E of the Top162016-2017: Euroleague: took 5th place (17-13), lost to Olympiacos 2-3 in the Quarterfinals2017-2018: Euroleague: took 16th place (7-23)2018-2019: Euroleague: took 4th place (21-9) in Regular Season, beat Fenerbahce 92-73 in the Semifinals, lost to CSKA 83-91 in the Final (!!!)2019-2020: Euroleague: took 1st place (24-4) in Regular Season, the season ended without play-offs due to covid-19 outbreak2020-2021: Euroleague: took 3rd place (22-12) in Regular Season, beat FC Barcelona 86-81 in the Final (!!!)2021-2022: Euroleague: took 6th place (16-12) in Regular Season, beat Real Madrid 58-57 in the Final (!!!)2022-2023: Euroleague: took 11th place (17-17) in Regular Season2023-2024: Euroleague: took 9th place (17-17) in Regular Season
European Achievements:
Euroleague Champion -2021, 22Euroleague Finalist -2019 Euroleague Quarterfinals -2005, 06, 13, 15, 17 Korac Cup Winner -1996 Euro Cup of Cup Winners Finalist -1993 Gomelsky Cup Finalist -2019 Gloria Cup Finalist -2020 Suproleague Final Four -2001
European cups achievements:
FIBA European League Quarterfinals -1994FIBA EuroLeague Quarterfinals -1997, 98, 99 FIBA EuroLeague Semifinals -2000 Suproleague Semifinals -2001 Euroleague Quarterfinals -2025 |
| Since 2018 |
 2011-2018 |
 2009-2011 |
 2002-2009 |
 1995-2002 |
 1985-1995 |
 Until 1985 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | Supercup | European competitions |
|---|---|---|---|---|---|---|---|
| 1976-77 | 2 | TB2L | |||||
| 1977-78 | 2 | TB2L | 2nd  | ||||
| 1978-79 | 1 | TBL | 18-4 | 3rd  | |||
| 1979-80 | 1 | TBL | 23-3 | 2nd  | |||
| 1980-81 | 1 | TBL | 8-2 | 2nd (Group B) | |||
| 1981-82 | 1 | TBL | 10-0 | 1st (Group A) | |||
| 1982-83 | 1 | TBL | 12-2 | 1st (White Group) | |||
| 1983-84 | 1 | TBL | 16-6 | 2nd beat Karsiyaka 2-1 in the Finals | |||
| 1984-85 | 1 | TBL | 16-6 | 4th, lost in Quarterfinals 1-2 to Eczacibasi | |||
| 1985-86 | 1 | TBL | 16-5 | 1st lost in Finals 1-2 to Galatasaray | |||
| 1986-87 | 1 | TBL | 14-8 | 3rd, lost in Semis 0-2 to Karsiyaka | Winner | European Cup | |
| 1987-88 | 1 | TBL | 16-6 | 2nd, lost in Quarterfinals 0-2 to Galatasaray | |||
| 1988-88 | 1 | TBL | 4-1 | 2nd (Quarterfinal Group), lost in Semis 0-2 to Eczacibasi | European Cup of Champions | ||
| 1988-89 | 1 | TBL | 13-8 | 4th, lost in Semis 0-2 to Eczacibasi | European Cup of Champions | ||
| 1989-89 | 1 | TBL | 4-1 | 1st (Quarterfinal Group), lost in Semis 0-2 to Galatasaray | Korac Cup | ||
| 1989-90 | 1 | TBL | 13-9 | 6th, lost in Semis 0-2 to Galatasaray | Korac Cup | ||
| 1990-91 | 1 | TBL | 15-7 | 3rd, lost in Quarterfinals 1-2 to Kolejliler | Korac Cup | ||
| 1991-92 | 1 | TBL | 16-10 | 4th beat Pasabahce 3-1 in the Finals | Korac Cup | ||
| 1992-93 | 1 | TBL | 30-0 | 1st beat Fenerbahce 3-1 in the Finals | Winner | European Cup of Champions | |
| 1993-94 | 1 | TBL | 27-3 | 2nd beat Fenerbahce 3-1 in the Semis | Winner | Winner | European Cup of Champions |
| 1994-95 | 1 | TBL | 28-2 | 1st, beat Fenerbahce 3-2 in the Semis | Finalist | European Cup of Champions | |
| 1995-96 | 1 | TBL | 28-2 | 1st beat Ulker 3-1 in the Finals | Winner | Korac Cup: Winner (!!!) | |
| 1996-97 | 1 | TBL | 27-3 | 1st beat Turk Telekom 4-1 in the Finals | Winner | Winner |  Euroleague: 1st (Group D) (8-2), lost in Quarterfinals 1-2 to ASVEL |
| 1997-98 | 1 | TBL | 26-4 | 1st lost in Finals 2-4 to Ulker | Winner | Finalist | Euroleague: 2nd (Group A) (6-4) |
| 1998-99 | 1 | TBL | 22-6 | 2nd lost in Finals 1-5 to Tofas | Winner | Euroleague: 2nd (Group B) (7-3), lost in QuarterFinals 0-2 to Zalgiris | |
| 1999-00 | 1 | TBL | 21-5 | 1st lost in Finals 1-4 to Tofas | Finalist | Euroleague: 1st (Group D) (6-4), lost in Semis 71-81 to Panathinaikos | |
| 2000-01 | 1 | TBL | 22-4 | 2nd lost in Finals 1-5 to Ulker | Winner | Winner |  SPRL: 2nd (Group B) (13-5), lost in Semis 66-74 to Panathinaikos |
| 2001-02 | 1 | TBL | 20-2 | 1st beat Ulker 4-2 in the Finals | Winner | Finalist |  Euroleague: 4th (Group A) (9-5) |
| 2002-03 | 1 | TBL | 24-2 | 2nd lost in Finals 3-4 to Ulker | Finalist | Euroleague: 3rd (Group A) (8-6) | |
 Germany: 11th (Group South) (13-19) | |||||||
| 2003-04 | 1 | TBL | 22-4 | 1st beat Karsiyaka 3-1 in the Semis | Finalist | Finalist | Euroleague: 1st (Group C) (10-4) |
| Germany: 6th (Group South) (17-13) | |||||||
| 2004-05 | 1 | TBL | 24-2 | 1st beat Besiktas 4-1 in the Finals | Finalist | Euroleague: 2nd (Group A) (12-2), lost in Quarterfinals 1-2 to Panathinaikos | |
 Germany: 7th (Group South) (17-13) | |||||||
| 2005-06 | 1 | TBL | 24-6 | 2nd lost in Finals 0-4 to Ulker | Winner | Finalist |  Euroleague: 2nd (Group B) (9-5), lost in Quarterfinals 0-2 to CSKA |
 Germany: 3rd (Group South) (24-6) | |||||||
| 2006-07 | 1 | TBL | 27-3 | 2nd lost in Finals 0-4 to Fenerbahce | Winner | Winner | Euroleague: 4th (Group A) (8-6) |
| Germany: 5th (Group South) (19-11) | |||||||
| 2007-08 | 1 | TBL | 22-8 | 2nd, lost in Semis 1-2 to Fenerbahce | Finalist | Euroleague: 4th (Group B) (8-6) | |
| Germany: 15th (8-22) | |||||||
| 2008-09 | 1 | TBL | 27-2 | 1st beat Fenerbahce 4-2 in the Finals | Winner | Euroleague: 5th (Group D) (4-6) | |
| Germany: 7th (15-15) | |||||||
| 2009-10 | 1 | TBL | 27-3 | 1st lost in Finals 2-4 to Fenerbahce | Winner | Euroleague: 4th (Group B) (4-6) | |
 Germany: 7th (15-15) | |||||||
| 2010-11? | 1 | TBL | 23-7 | 2nd  lost in Semis 0-2 to Fenerbahce | Winner |  Euroleague: 3rd (Group D) (5-5) | |
 Germany: 3rd (19-9) | |||||||
| 2011-12 | 1 | TBL | 23-7 | 1st lost in Finals 2-4 to Besiktas | Euroleague: 3rd (Group C) (5-5) | ||
| Germany: 3rd (18-10) | |||||||
| 2012-13 | 1 | TBL | 25-5 | 2nd lost in Semis 1-3 to Banvit | Finalist | Euroleague: 3rd (Group C) (5-5), lost in Quarterfinals 2-3 to Olympiacos | |
| Germany: 10th (14-18) | |||||||
| 2013-14 | 1 | TBL | 21-9 | 3rd, lost in Q-Finals 1-2 to Karsiyaka | Finalist | Euroleague: 4th (Group B) (4-6) | |
| Germany: 11th (15-15) | |||||||
| 2014-15 | 1 | TBL | 23-7 | 1st (Round 27) lost in Finals 1-4 to Karsiyaka | Winner | Euroleague: 2nd (Group A) (6-4), lost in Quarterfinals 1-3 to Real Madrid | |
| 2015-16 | 1 | BSL | 24-5 | 1st lost in Finals 2-4 to Fenerbahce | Winner | Euroleague: 2nd (Group B) (6-4) | |
| Germany: 7th (14-16) | |||||||
| 2016-17 | 1 | BSL | 23-6 | 3rd, lost in Semi-Finals 1-3 to Besiktas | Finalist | Finalist |  Euroleague: 6th (17-13), lost in Quarterfinals 2-3 to Olympiacos |
| 2017-18 | 1 | BSL | 22-8 | 3rd, lost in Semi-Finals 1-3 to Tofas | Winner | Euroleague: 16th (7-23) | |
| 2018-19 | 1 | BSL | 24-3 | 1st beat Fenerbahce 4-3 in the Finals | Finalist | Winner | Euroleague: 4th (20-10) lost in Final 83-91 to PBC CSKA |
| 2019-20 | 1 | BSL | 21-2 | 1st (Round 20) | Winner | Euroleague: 1st (24-4) | |
| 2020-21 | 1 | BSL | 29-1 | 1st beat Fenerbahce 3-0 in the Finals | Euroleague: 3rd (22-12) beat FC Barcelona 86-81 in the Final | ||
| 2021-22 | 1 | BSL | 23-7 | 2nd lost in Final 1-3 to Fenerbahce | Winner | Euroleague: 6th (16-12) beat Real Madrid 58-57 in the Final | |
| 2022-23 | 1 | BSL | 22-8 | 3rd beat Karsiyaka 3-0 in the Final | Winner | Euroleague: 11th (17-17) | |
| 2023-24 | 1 | BSL | 25-5 | 1st lost in Final 1-3 to Fenerbahce | Finalist | Euroleague: 9th (17-17) | |
| 2024-25 | 1 | BSL | 23-7 | 3rd, lost in Semis 2-3 to Besiktas | Winner | Euroleague: 6th (20-14), lost in Quarterfinals 2-3 to Panathinaikos |
