Nizari
The Nizari recognized as the rightful Imams:
19. Nizār b. al-Mustanṣir billāh ابن المستنصر بالله نزار, (son of Abū Tamīm Ma'add al-Mustanṣir bi-llāh), died 1095.
20. Al-Hādī ibn Nizār الهادي (hidden)
21. Al-Mutadī المهتدي (hidden)
22. Al-Qāhir القاهر (hidden)
23. Ḥassan II ʻAlā Dhikrihi-s-Salām حسن على ذكره السلام (fourth Lord of Alamut, self-revealed as imam in 1164, died 1166)
24. Nūru-d-Dīn Muḥammad II نور الدين محمد or Aʻlā Muḥammad اعلى محمد (in Alamut, died 1210)
25. Jalālu-d-Dīn Ḥassan III جلال الدين حسن (in Alamut, died 1221)
26. ʻAlāʼ ad-Dīn Muḥammad III على الدين محمد (in Alamut, died 1255)
27. Ruknu-d-Dīn Khurshāh ركن الدين خرشاه (last Lord of Alamut, died 1257, killed by the Mongols)
28. Shamsu-d-Dīn Muḥammad شمس الدين محمد (hidden, died 1310)
29. Qāsim Shāh قاسم شاه (hidden)
30. Islām Shāh اسلام شاه (hidden, established himself in Anjudan)
31. Muḥammad b. Islām Shāh محمد ابن اسلام شاه (hidden, died c.1463)
32. Al-Mustanṣir billāh II (Shāh Qalandar) المستنصر بالله (established public imamate -under practice of taqiyya- in Anjudan, died 1498)
33. ʻAbdu-s-Salām Shāh عبد السلام شاه (in Anjudan)
34. Gharīb Mīrzā غريب ميرزا (in Anjudan)
35. Abū Dharr ʻAlī ابو ذر علي or Nūru-d-Dīn نور الدين (in Anjudan)
36. Murād Mīrzā مراد ميرزا (executed in 1574 by Shah Tahmasp of Iran)
37. Dhū-l-Fiqār ʻAlī ذو الفقار علي or Khalīlullāh I خليل الله (in Anjudan, died 1634)
38. Nūru-d-Dīn ʻAlī نور الدين علي (in Anjudan, died 1671)
39. Khalīlullāh II ʻAlī خليل الله علي (last imam of Anjudan, died 1680)
40. Nizār نظار (established imamate in Kahak, died 1722)
41. As-Sayyid ʻAlī السيد علي (in Kahak)
42. Ḥasan ʻAlī حسن علي (established imamate in Shahr-e Babak, Kerman, first imam who abandoned the practice of taqiyya)
43. Qāsim ʻAlī قاسم علي (in Kerman)
44. Abū-l-Ḥasan ʻAlī ibn Qāsim ʻAlī ابو الحسن علي (appointed provincial governor of Kerman, died 1792)
45. Shāh Khalīlullāh III شاه خليل الله (in Kahak, then since 1815 in Yazd, murdered in 1817)
46. Ḥassan ʻAlī Shāh Āgā Khān I حسن علي شاه اغا خان or Shāh Ḥassan ʻAlī شاه حسن علي (born 1804, died 1881; reigned 1817 to 1881)
47. Āqā ʻAlī Shāh Āgā Khān II اقا علي شاه اغا خان or Shāh ʻAlī Shāh شاه علي شاه (born 1830, died 1885; reigned 1881 to 1885)
48. Sulṭān Muḥammad Shāh Āgā Khān III سلطان محمد شاه اغا خان (born 1877, died 1957; reigned 1885 to 1957)
49. The current Imām Shāh Karīmu-l-Ḥussaynī Āgā Khān IV شاه كريم الحسيني اغا خان (born 1936; reigning from 1957)
Read more about this topic: List Of Ismaili Imams