Nuveen Municipal High Income Opportunity Fund SEC filings NMZ-RI
Nuveen Municipal High Income Opportunity Fund has 659 filings in SEC EDGAR's recent list, going back to Oct 17, 2003. The most recent current report (Form 8-K) was filed on Mar 6, 2024 (regulation fd disclosure).
| Form | Description | Filed | Period |
|---|---|---|---|
| N-23C-2 | Notice of intention to redeem securities | Nov 3, 2026 | Nov 3, 2026 |
| 497AD | Filing by certain investment companies | Oct 28, 2026 | — |
| 497AD | Form 497ad | Oct 22, 2026 | — |
| NPORT-P | Filing | Sep 25, 2026 | Jul 31, 2026 |
| N-PX | Filing | Aug 17, 2026 | Jun 30, 2026 |
| 40-17G | Filing | Jul 16, 2026 | — |
| N-CSRS | Nuveen municipal high income opportunity fund | Jul 2, 2026 | Apr 30, 2026 |
| NPORT-P | Filing | Jun 24, 2026 | Apr 30, 2026 |
| POS EX | Post-effective amendment | Jun 11, 2026 | — |
| N-23C-2 | Notice of intention to redeem securities | May 1, 2026 | May 1, 2026 |
| NPORT-P | Filing | Mar 25, 2026 | Jan 31, 2026 |
| 425 | Form 425 | Mar 19, 2026 | — |
| 425 | Form 425 | Mar 19, 2026 | — |
| 425 | Filing under securities act rule 425 | Mar 9, 2026 | — |
| 425 | Filing under securities act rule 425 | Mar 9, 2026 | — |
| 425 | Filing under securities act rule 425 | Mar 9, 2026 | — |
| 425 | Filing under securities act rule 425 | Mar 9, 2026 | — |
| 425 | Filing under rule 425 | Feb 27, 2026 | — |
| 425 | Filing under securities act rule 425 of certain prospectuses and communications | Feb 26, 2026 | — |
| 425 | Filing under securities act rule 425 | Feb 4, 2026 | — |
| 425 | Filing under securities act rule 425 | Feb 4, 2026 | — |
| 425 | Filing under securities act rule 425 | Feb 4, 2026 | — |
| 425 | Filing under securities act rule 425 | Feb 2, 2026 | — |
| 425 | Filing under securities act rule 425 | Feb 2, 2026 | — |
| 425 | Filing under securities act rule 425 | Feb 2, 2026 | — |
| 425 | Filing under rule 425 | Jan 23, 2026 | — |
| 425 | Filing under rule 425 | Jan 23, 2026 | — |
| 425 | Filing under rule 425 | Jan 23, 2026 | — |
| 425 | Filing under securities act rule 425 | Jan 16, 2026 | — |
| 425 | Filing under securities act rule 425 | Jan 16, 2026 | — |
| 425 | Filing under securities act rule 425 | Jan 16, 2026 | — |
| N-CEN | Filing | Jan 14, 2026 | Oct 31, 2025 |
| N-CSR | Nuveen municipal high income opportunity fund | Jan 7, 2026 | Oct 31, 2025 |
| NPORT-P | Filing | Dec 30, 2025 | Oct 31, 2025 |
| 425 | Filing under securities act rule 425 | Dec 29, 2025 | — |
| 425 | Filing under securities act rule 425 | Dec 29, 2025 | — |
| 425 | Filing under securities act rule 425 | Dec 29, 2025 | — |
| 425 | Filing under securities act rule 425 | Dec 29, 2025 | — |
| EFFECT | Filing | Dec 17, 2025 | — |
| N-14 8C/A | Amendment to form n-14 8c | Dec 16, 2025 | — |
| N-14 8C/A | Initial registration on form n-14 | Nov 18, 2025 | — |
| N-23C-2 | Notice of intention to redeem securities | Oct 31, 2025 | Oct 31, 2025 |
| N-14 8C | Initial registration statement on form n-14 | Sep 29, 2025 | — |
| NPORT-P | Filing | Sep 26, 2025 | Jul 31, 2025 |
| N-PX | Filing | Aug 22, 2025 | Jun 30, 2025 |
| 40-17G | Filing | Jul 31, 2025 | — |
| N-CSRS | Nuveen municipal high income opportunity fund | Jul 7, 2025 | Apr 30, 2025 |
| NPORT-P | Filing | Jun 26, 2025 | Apr 30, 2025 |
| N-23C-2 | Notice of intention to redeem securities | Apr 28, 2025 | Apr 28, 2025 |
| NPORT-P | Filing | Mar 26, 2025 | Jan 31, 2025 |
| N-CEN | Filing | Jan 14, 2025 | Oct 31, 2024 |
| N-CSR | Nuveen municipal high income opportunity fund | Jan 6, 2025 | Oct 31, 2024 |
| NPORT-P | Filing | Dec 26, 2024 | Oct 31, 2024 |
| N-23C-2 | Notification of repurchase offer | Oct 28, 2024 | Oct 28, 2024 |
| NPORT-P | Filing | Sep 25, 2024 | Jul 31, 2024 |
| 40-17G | Filing | Sep 10, 2024 | — |
| N-PX | Filing | Aug 29, 2024 | Jun 30, 2024 |
| N-CSRS | Nuveen municipal high income opportunity fund | Jul 2, 2024 | Apr 30, 2024 |
| NPORT-P | Filing | Jun 25, 2024 | Apr 30, 2024 |
| N-PX/A | Nuveen municipal high income opportunity fund | May 17, 2024 | Jun 30, 2023 |
| CORRESP | Letter to the SEC | Apr 1, 2024 | — |
| NPORT-P | Filing | Mar 22, 2024 | Jan 31, 2024 |
| N-23C-2 | Nuveen municipal high income opportunity fund | Mar 20, 2024 | Mar 20, 2024 |
| N-2ASR | Nuveen municipal high income opportunity fund | Mar 8, 2024 | — |
| N-CEN | Filing | Jan 16, 2024 | Oct 31, 2023 |
| N-CSR | Nuveen municipal high income opportunity fund | Jan 5, 2024 | Oct 31, 2023 |
| NPORT-P | Filing | Dec 28, 2023 | Oct 31, 2023 |
| 40-17G | Filing | Dec 1, 2023 | — |
| N-23C-2 | Nuveen municipal high income opportunity fund | Oct 6, 2023 | Oct 6, 2023 |
| NPORT-P | Filing | Sep 27, 2023 | Jul 31, 2023 |
| N-PX | Nuveen municipal high income opportunity fund | Aug 21, 2023 | Jun 30, 2023 |
| N-CSRS | Nuveen municipal high income opportunity fund | Jul 6, 2023 | Apr 30, 2023 |
| NPORT-P | Filing | Jun 28, 2023 | Apr 30, 2023 |
| NPORT-P | Filing | Mar 28, 2023 | Jan 31, 2023 |
| N-CEN | Filing | Jan 17, 2023 | Oct 31, 2022 |
| N-CSR | Nuveen municipal high income opportunity fund | Jan 9, 2023 | — |
| NPORT-P | Filing | Dec 27, 2022 | Oct 31, 2022 |
| 40-17G | Filing | Nov 2, 2022 | — |
| NPORT-P | Filing | Sep 28, 2022 | Jul 31, 2022 |
| N-PX | Nuveen municipal high income opportunity fund | Aug 22, 2022 | Jun 30, 2022 |
| N-CSRS | Nmz | Jul 7, 2022 | Apr 30, 2022 |
| NPORT-P | Filing | Jun 29, 2022 | Apr 30, 2022 |
| NPORT-P | Filing | Mar 30, 2022 | Jan 31, 2022 |
| N-CEN | Filing | Jan 14, 2022 | Oct 31, 2021 |
| N-CSR | Nmz | Jan 6, 2022 | Oct 31, 2021 |
| NPORT-P | Filing | Dec 28, 2021 | Oct 31, 2021 |
| POS EX | Nuveen municipal high income opportunity fund | Dec 17, 2021 | — |
| NPORT-P | Filing | Sep 27, 2021 | Jul 31, 2021 |
| 40-17G | Filing | Sep 24, 2021 | — |
| N-PX | Nuveen municipal high income opportunity fund | Aug 16, 2021 | Jun 30, 2021 |
| N-CSRS | Nmz | Jul 7, 2021 | Apr 30, 2021 |
| NPORT-P | Filing | Jun 28, 2021 | Apr 30, 2021 |
| CORRESP | Letter to the SEC | Apr 9, 2021 | — |
| NPORT-P | Filing | Mar 29, 2021 | Jan 31, 2021 |
| POS EX | Nuveen municipal high income opportunity fund | Mar 8, 2021 | — |
| N-2ASR | Nuveen municipal high income opportunity fund | Mar 8, 2021 | — |
| N-CEN | Filing | Jan 14, 2021 | Oct 31, 2020 |
| N-CSR | Nmz | Jan 7, 2021 | Oct 31, 2020 |
| NPORT-P | Filing | Dec 29, 2020 | Oct 31, 2020 |
| 40-17G | Filing | Oct 13, 2020 | — |
| NPORT-P | Filing | Sep 29, 2020 | Jul 31, 2020 |
| N-PX | Nuveen municipal high income opportunity fund | Aug 24, 2020 | Jun 30, 2020 |
| N-CSRS | Nmz | Jul 7, 2020 | Apr 30, 2020 |
| NPORT-P | Filing | Jun 29, 2020 | Apr 30, 2020 |
| NPORT-P | Filing | Mar 27, 2020 | Jan 31, 2020 |
| 497 | Nuveen municipal high income opportunity fund | Mar 25, 2020 | — |
| 497 | Nuveen municipal high income opportunity fund | Mar 4, 2020 | — |
| POS EX | Nuveen municipal high income opportunity fund | Mar 2, 2020 | — |
| EFFECT | Filing | Feb 28, 2020 | — |
| CORRESP | Letter to the SEC | Feb 27, 2020 | — |
| N-2/A | Nuveen municipal high income opportunity fund | Feb 27, 2020 | — |
| CORRESP | Letter to the SEC | Feb 20, 2020 | — |
| N-2 | Nuveen municipal high income opportunity fund | Jan 17, 2020 | — |
| N-CEN | Filing | Jan 14, 2020 | Oct 31, 2019 |
| N-CSR | Nmz | Jan 8, 2020 | Oct 31, 2019 |
| NPORT-P | Filing | Dec 27, 2019 | Oct 31, 2019 |
| 40-17G | Filing | Oct 28, 2019 | — |
| NPORT-EX | Filing | Sep 27, 2019 | Jul 31, 2019 |
| N-PX | Nuveen municipal high income opportunity fund | Aug 19, 2019 | Jun 30, 2019 |
| N-CSRS | Nmz | Jul 8, 2019 | Apr 30, 2019 |
| N-CEN/A | Filing | Jun 4, 2019 | Oct 31, 2018 |
| 497 | Nuveen municipal high income opportunity fund | Apr 18, 2019 | — |
| 486BPOS | Nuveen municipal high income opportunity fund | Apr 11, 2019 | — |
| N-Q | Nuveen municipal high income opportunity fund | Apr 1, 2019 | Jan 31, 2019 |
| N-CEN | Filing | Jan 14, 2019 | Oct 31, 2018 |
| N-CSR | Nmz | Jan 7, 2019 | Oct 31, 2018 |
| N-Q | Nuveen municipal high income opportunity fund | Sep 28, 2018 | Jul 31, 2018 |
| 40-17G | Filing | Sep 5, 2018 | — |
| N-PX | Nuveen municipal high income opportunity fund | Aug 20, 2018 | Jun 30, 2018 |
| N-CSRS | Nmz | Jul 9, 2018 | Apr 30, 2018 |
| CORRESP | Letter to the SEC | Jul 5, 2018 | — |
| N-Q | Nuveen municipal high income opportunity fund | Mar 29, 2018 | Jan 31, 2018 |
| N-23C-2 | Nuveen municipal high income opportunity fund | Jan 31, 2018 | Jan 29, 2018 |
| N-CSR | Nmz | Jan 8, 2018 | Oct 31, 2017 |
| NSAR-B | Filing | Dec 29, 2017 | Oct 31, 2017 |
| N-Q | Nuveen municipal high income opportunity fund | Sep 29, 2017 | Jul 31, 2017 |
| 497 | Nuveen municipal high income opportunity fund | Sep 22, 2017 | — |
| EFFECT | Filing | Sep 18, 2017 | — |
| CORRESP | Letter to the SEC | Sep 14, 2017 | — |
| N-2/A | Nuveen municipal high income opportunity fund | Sep 14, 2017 | — |
| CORRESP | Letter to the SEC | Sep 14, 2017 | — |
| 40-17G | Filing | Sep 8, 2017 | — |
| N-PX | Nuveen municipal high income opportunity fund | Aug 29, 2017 | Jun 30, 2017 |
| N-2 | Nuveen municipal high income opportunity fund | Aug 22, 2017 | — |
| N-CSRS | Nmz | Jul 6, 2017 | Apr 30, 2017 |
| NSAR-A | Filing | Jun 29, 2017 | Apr 30, 2017 |
| N-Q | Nmz | Mar 31, 2017 | Jan 31, 2017 |
| 497J | Nuveen municipal high income opportunity fund | Feb 28, 2017 | — |
| 486BPOS | Nuveen municipal high income opportunity fund | Feb 10, 2017 | — |
| N-CSR | Nmz | Jan 9, 2017 | Oct 31, 2016 |
| NSAR-B | Filing | Dec 30, 2016 | Oct 31, 2016 |
| 497 | Nuveen municipal high income opportunity fund | Oct 11, 2016 | — |
| EFFECT | Filing | Oct 6, 2016 | — |
| CORRESP | Letter to the SEC | Oct 6, 2016 | — |
| CORRESP | Letter to the SEC | Oct 6, 2016 | — |
| N-2/A | Nuveen municipal high income opportunity fund | Oct 5, 2016 | — |
| CORRESP | Letter to the SEC | Oct 4, 2016 | — |
| 40-APP/A | Exemption application | Sep 30, 2016 | — |
| N-Q | Nmz | Sep 29, 2016 | Jul 31, 2016 |
| AW WD | Nuveen municipal high income opportunity fund | Sep 13, 2016 | — |
| AW | Nuveen municipal high income opportunity fund | Sep 13, 2016 | — |
| N-2/A | Nuveen municipal high income opportunity fund | Sep 12, 2016 | — |
| AW | Nuveen municipal high income opportunity fund | Sep 12, 2016 | — |
| 40-17G | Filing | Aug 31, 2016 | — |
| 25 | Nuveen municipal high income opportunity fund | Aug 30, 2016 | — |
| N-PX | Nuveen municipal high income opportunity fund | Aug 29, 2016 | Jun 30, 2016 |
| CERTNYS | Auto-generated paper document | Aug 23, 2016 | — |
| 8-A12B | Nuveen municipal high income opportunity fund | Aug 23, 2016 | — |
| N-2/A | Nuveen municipal high income opportunity fund | Jul 21, 2016 | — |
| N-CSRS | Nmz | Jul 7, 2016 | Apr 30, 2016 |
| 40-APP/A | Exemption application | Jul 1, 2016 | — |
| NSAR-A | Filing | Jun 30, 2016 | Apr 30, 2016 |
| N-2 | Nuveen municipal high income opportunity fund | Jun 2, 2016 | — |
| N-Q | Nmz | Mar 31, 2016 | Jan 31, 2016 |
| 497J | Nuveen municipal high income opportunity fund | Mar 31, 2016 | — |
| 486BPOS | Nuveen municipal high income opportunity fund | Mar 28, 2016 | — |
| 40-APP | Exemption application | Feb 23, 2016 | — |
| N-CSR | Nmz | Jan 7, 2016 | Oct 31, 2015 |
| NSAR-B | Filing | Dec 30, 2015 | Oct 31, 2015 |
| 40-APP/A | Exemption application | Oct 22, 2015 | — |
| N-Q | Nmz | Sep 29, 2015 | Jul 31, 2015 |
| 40-17G | Filing | Aug 28, 2015 | — |
| N-PX | Nuveen municipal high income opportunity fund | Aug 13, 2015 | Jun 30, 2015 |
| CORRESP | Letter to the SEC | Jul 21, 2015 | — |
| N-CSRS | Nmz | Jul 8, 2015 | Apr 30, 2015 |
| NSAR-A | Filing | Jun 29, 2015 | Apr 30, 2015 |
| 40-APP/A | Exemption application | May 22, 2015 | — |
| N-Q | Nmz | Apr 1, 2015 | Jan 31, 2015 |
| 497J | Nuveen municipal high income opportunity fund | Mar 2, 2015 | — |
| 486BPOS | Nuveen municipal high income opportunity fund | Feb 23, 2015 | — |
| N-CSR | Nmz | Jan 8, 2015 | Oct 31, 2014 |
| NSAR-B | Filing | Dec 31, 2014 | Oct 31, 2014 |
| 40-APP/A | Exemption application | Dec 8, 2014 | — |
| N-Q | Nmz | Sep 29, 2014 | Jul 31, 2014 |
| N-PX | Nuveen municipal high income opportunity fund | Aug 21, 2014 | Jun 30, 2014 |
| 40-17G | Filing | Aug 14, 2014 | — |
| N-CSRS | Nmz | Jul 7, 2014 | Apr 30, 2014 |
| 40-APP/A | Exemption application | Jul 1, 2014 | — |
| NSAR-A | Filing | Jun 30, 2014 | Apr 30, 2014 |
| 497 | Nuveen energy mlp total return fund | Apr 16, 2014 | — |
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Company profile
- Listed as
- NMZ (NYSE)
- Incorporated in
- MA
- Headquarters
- Chicago, IL
- SEC CIK
- 1266585
Source: SEC EDGAR filings. This is company-reported data, not investment advice.