NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND SEC filings

Filings

Every filing, newest first. MAJOR and NOTABLE filings lead the app's feed; ROUTINE ones are kept here.

1. ROUTINE424B3NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZOct 2

   NMZ updates use of proceeds

   • Form 424B3 filed on 2026-10-02
   • Net proceeds to be invested in U.S. government securities or money market instruments
   • Fund expects to invest proceeds within 3 months
2. ROUTINENPORT-PNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZSep 25

   Fund portfolio holdings

3. ROUTINE3NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZSep 3

   2 insider filings

   Kristen Dejong, new insider at NMZ

   Show all 2

   • 3New insider at NMZSep 3
   • 3New insider at NMZSep 3

   Kristen Dejong, reporting

4. ROUTINE3NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZSep 1

   Parth Doshi, new insider at NMZ

   Parth Doshi, reporting

5. ROUTINEN-PXNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZAug 17

   Fund proxy voting record

6. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZAug 6

   BANK OF AMERICA CORP /DE/, insider filing for NMZ

   BANK OF AMERICA CORP /DE/, reporting · MERRILL LYNCH, PIERCE, FENNER & SMITH INC., reporting

7. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZAug 4

   BANK OF AMERICA CORP /DE/, insider filing for NMZ

   BANK OF AMERICA CORP /DE/, reporting · MERRILL LYNCH, PIERCE, FENNER & SMITH INC., reporting

8. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJul 28

   BANK OF AMERICA CORP /DE/, insider filing for NMZ

   BANK OF AMERICA CORP /DE/, reporting · MERRILL LYNCH, PIERCE, FENNER & SMITH INC., reporting

9. ROUTINE40-17GNUVEEN MUNICIPAL VALUE FUND INCNUVJul 16

   40-17G filing

   NUVEEN NEW YORK MUNICIPAL VALUE FUND, filer · NUVEEN CALIFORNIA MUNICIPAL VALUE FUND, filer · +53 more

10. ROUTINEN-CSRSNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJul 2

    Fund semiannual report

11. ROUTINEDEF 14ANUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJul 2

    Proxy statement

12. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJun 29

    Albin F Moschner, insider filing for NMZ

    Albin F Moschner, reporting

13. ROUTINENPORT-PNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJun 24

    Fund portfolio holdings

14. ROUTINEPOS EXNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJun 11

    POS EX filing

15. ROUTINEN-23C-2NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZMay 1

    N-23C-2 filing

16. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZApr 29

    WELLS FARGO & COMPANY/MN, insider filing for NMZ

    WELLS FARGO & COMPANY/MN, reporting · Wells Fargo Municipal Capital Strategies, LLC, reporting

17. NOTABLESCHEDULE 13D/ANUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZApr 29

    Ownership stake disclosure by WELLS FARGO & COMPANY/MN (amended)

    WELLS FARGO & COMPANY/MN, filed by

18. NOTABLESCHEDULE 13D/ANUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZApr 29

    Ownership stake disclosure by BANK OF AMERICA CORP /DE/ (amended)

    BANK OF AMERICA CORP /DE/, filed by

19. ROUTINE424B3NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZApr 24

    Securities offering

20. ROUTINENPORT-PNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZMar 25

    Fund portfolio holdings

21. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJMar 19

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

22. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJMar 19

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

23. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJMar 9

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

24. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJMar 9

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

25. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJMar 9

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

26. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJMar 9

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

27. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZMar 6

    William A Siffermann, insider filing for NMZ

    William A Siffermann, reporting

28. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJFeb 26

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

29. ROUTINE3NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZFeb 23

    Joseph Castro, new insider at NMZ

    Joseph Castro, reporting

30. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJFeb 4

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

31. ROUTINE425NUVEEN PENNSYLVANIA QUALITY MUNICIPAL INCOME FUNDNQPFeb 4

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

32. ROUTINE425NUVEEN MISSOURI QUALITY MUNICIPAL INCOME FUNDNOMFeb 4

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

33. ROUTINE425NUVEEN MISSOURI QUALITY MUNICIPAL INCOME FUNDNOMFeb 2

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

34. ROUTINE425NUVEEN PENNSYLVANIA QUALITY MUNICIPAL INCOME FUNDNQPFeb 2

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

35. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJFeb 2

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

36. ROUTINE425NUVEEN PENNSYLVANIA QUALITY MUNICIPAL INCOME FUNDNQPJan 23

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

37. ROUTINE425NUVEEN MISSOURI QUALITY MUNICIPAL INCOME FUNDNOMJan 23

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

38. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJJan 23

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

39. ROUTINE425NUVEEN MISSOURI QUALITY MUNICIPAL INCOME FUNDNOMJan 16

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

40. ROUTINE425NUVEEN PENNSYLVANIA QUALITY MUNICIPAL INCOME FUNDNQPJan 16

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

41. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJJan 16

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

42. ROUTINEN-CENNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJan 14

    N-CEN filing

43. ROUTINEN-CSRNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZJan 7

    Fund shareholder report

44. ROUTINENPORT-PNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZDec 30, 2025

    Fund portfolio holdings

45. ROUTINE425NUVEEN PENNSYLVANIA QUALITY MUNICIPAL INCOME FUNDNQPDec 29, 2025

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

46. ROUTINE425NUVEEN MISSOURI QUALITY MUNICIPAL INCOME FUNDNOMDec 29, 2025

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

47. ROUTINE425NUVEEN NEW JERSEY QUALITY MUNICIPAL INCOME FUNDNXJDec 29, 2025

    Merger communication

    NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, filed by

48. ROUTINE425NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZDec 29, 2025

    Merger communication

49. ROUTINE4NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDNMZDec 22, 2025

    BANK OF AMERICA CORP /DE/, insider filing for NMZ

    BANK OF AMERICA CORP /DE/, reporting · MERRILL LYNCH, PIERCE, FENNER & SMITH INC., reporting

Older filings on EDGAR