Calamos Convertible Opportunities & Income Fund SEC filings CHI
Calamos Convertible Opportunities & Income Fund has 495 filings in SEC EDGAR's recent list, going back to Apr 19, 2002. The most recent current report (Form 8-K) was filed on May 14, 2024 (bylaw or fiscal year change). The company's fiscal year ends on October 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| NPORT-P | Filing | Sep 29, 2026 | Jul 31, 2026 |
| N-PX | Filing | Aug 28, 2026 | Jun 30, 2026 |
| NPORT-P/A | Filing | Aug 27, 2026 | Apr 30, 2024 |
| N-23C-2 | Filing | Jul 24, 2026 | Jul 24, 2026 |
| N-CSRS | Filing | Jul 2, 2026 | Apr 30, 2026 |
| 40-17G | Filing | Jun 29, 2026 | — |
| NPORT-P | Filing | Jun 26, 2026 | Apr 30, 2026 |
| NPORT-P | Filing | Mar 31, 2026 | Jan 31, 2026 |
| N-CEN | Filing | Jan 13, 2026 | Oct 31, 2025 |
| N-CSR | Filing | Dec 29, 2025 | Oct 31, 2025 |
| NPORT-P | Filing | Dec 23, 2025 | Oct 31, 2025 |
| NPORT-P | Filing | Sep 29, 2025 | Jul 31, 2025 |
| 40-17G/A | Filing | Sep 16, 2025 | — |
| N-PX | Filing | Aug 27, 2025 | Jun 30, 2025 |
| N-CSRS | Filing | Jun 27, 2025 | Apr 30, 2025 |
| NPORT-P | Filing | Jun 27, 2025 | Apr 30, 2025 |
| 40-17G | Filing | Jun 26, 2025 | — |
| CORRESP | Letter to the SEC | Apr 25, 2025 | — |
| NPORT-P | Filing | Mar 25, 2025 | Jan 31, 2025 |
| 40-17G/A | Filing | Mar 13, 2025 | — |
| N-2ASR | Filing | Feb 21, 2025 | — |
| N-CEN | Filing | Jan 10, 2025 | Oct 31, 2024 |
| N-CSR | Filing | Dec 27, 2024 | Oct 31, 2024 |
| NPORT-P | Filing | Dec 16, 2024 | Oct 31, 2024 |
| NPORT-P | Filing | Sep 30, 2024 | Jul 31, 2024 |
| N-PX | Filing | Aug 30, 2024 | Jun 30, 2024 |
| N-23C-2 | Filing | Aug 2, 2024 | Aug 2, 2024 |
| NPORT-P | Filing | Jul 1, 2024 | Apr 30, 2024 |
| N-CSRS | Filing | Jun 27, 2024 | Apr 30, 2024 |
| 40-17G | Filing | Jun 20, 2024 | — |
| NPORT-P | Filing | Mar 27, 2024 | Jan 31, 2024 |
| N-CEN | Filing | Jan 16, 2024 | Oct 31, 2023 |
| N-CSR | Filing | Dec 29, 2023 | Oct 31, 2023 |
| NPORT-P | Filing | Dec 27, 2023 | Oct 31, 2023 |
| NPORT-P | Filing | Sep 29, 2023 | Jul 31, 2023 |
| N-PX | Brd8w2_0001171471_2023 | Aug 28, 2023 | Jun 30, 2023 |
| N-CSRS | Certified semi-annual shareholder report | Jun 28, 2023 | Apr 30, 2023 |
| NPORT-P | Filing | Jun 28, 2023 | Apr 28, 2023 |
| 40-17G | Filing | May 5, 2023 | — |
| NPORT-P | Filing | Mar 31, 2023 | Jan 31, 2023 |
| N-CEN | Filing | Jan 17, 2023 | Oct 31, 2022 |
| N-CSR | Annual shareholder report | Dec 28, 2022 | — |
| NPORT-P | Filing | Dec 22, 2022 | Oct 31, 2022 |
| NPORT-P | Filing | Sep 29, 2022 | Jul 31, 2022 |
| N-PX | Brd8w2_0001171471_2022 | Aug 22, 2022 | Jun 30, 2022 |
| N-23C-2 | Filing | Aug 5, 2022 | Sep 6, 2022 |
| NPORT-P | Filing | Jun 27, 2022 | Apr 30, 2022 |
| N-CSRS | Certified semi-annual shareholder report | Jun 24, 2022 | Apr 30, 2022 |
| 40-17G | Filing | Jun 15, 2022 | — |
| CORRESP | Letter to the SEC | Jun 7, 2022 | — |
| NPORT-P | Filing | Mar 25, 2022 | Jan 31, 2022 |
| N-2 POSASR | Pos ex | Mar 3, 2022 | — |
| N-2ASR | N-2 | Feb 24, 2022 | — |
| N-CEN | Filing | Jan 13, 2022 | Oct 31, 2021 |
| N-CSR | Annual shareholder report | Dec 29, 2021 | Oct 31, 2021 |
| NPORT-P | Filing | Dec 23, 2021 | Oct 31, 2021 |
| NPORT-P | Filing | Sep 28, 2021 | Jul 31, 2021 |
| N-PX | Brd8w2_0001171471_2021 | Aug 27, 2021 | Jun 30, 2021 |
| 497 | Filing | Jun 30, 2021 | — |
| NPORT-P | Filing | Jun 28, 2021 | Apr 30, 2021 |
| N-CSRS | Certified semi-annual shareholder report | Jun 25, 2021 | Apr 30, 2021 |
| 40-17G | Filing | Jun 21, 2021 | — |
| NPORT-P | Filing | Mar 31, 2021 | Jan 31, 2021 |
| 486BPOS | Filing | Feb 19, 2021 | — |
| N-CEN | Filing | Jan 12, 2021 | Oct 31, 2020 |
| N-CSR | Annual shareholder report | Dec 30, 2020 | Oct 31, 2020 |
| NPORT-P | Filing | Dec 18, 2020 | Oct 31, 2020 |
| 497 | Filing | Dec 17, 2020 | — |
| NPORT-P | Filing | Sep 29, 2020 | Jul 31, 2020 |
| N-PX | Brd8w2_0001171471_2020 | Aug 27, 2020 | Jun 30, 2020 |
| N-CSRS | Semi-annual shareholder report | Jul 1, 2020 | Apr 30, 2020 |
| NPORT-P | Filing | Jun 26, 2020 | Apr 30, 2020 |
| 40-17G | Filing | Jun 26, 2020 | — |
| NPORT-P | Filing | Mar 31, 2020 | Jan 31, 2020 |
| 497 | Calamos convertible opportunities & income fund | Mar 4, 2020 | — |
| 486BPOS | Calamos convertible opportunities & income fund | Feb 21, 2020 | — |
| N-CEN | Filing | Jan 13, 2020 | Oct 31, 2019 |
| N-CSR | Annual shareholder report | Dec 27, 2019 | Oct 31, 2019 |
| NPORT-P | Filing | Dec 27, 2019 | Oct 31, 2019 |
| 497 | Calamos convertible opportunities & income fund | Dec 20, 2019 | — |
| NPORT-EX | Calamos convertible opportunities & income fund | Sep 30, 2019 | Jul 31, 2019 |
| N-PX | Brd8w2_0001171471_2019 | Aug 28, 2019 | Jun 30, 2019 |
| 497 | Calamos convertible opportunities & income fund | Aug 15, 2019 | — |
| N-CSRS | Semi-annual shareholder report | Jun 25, 2019 | Apr 30, 2019 |
| 40-17G | Filing | May 3, 2019 | — |
| N-CEN/A | Filing | Apr 5, 2019 | Oct 31, 2018 |
| POS EX | Calamos convertible opportunities and income fund | Mar 13, 2019 | — |
| 497 | Calamos convertible opportunities & income fund | Mar 8, 2019 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 7, 2019 | Jan 31, 2019 |
| EFFECT | Filing | Mar 1, 2019 | — |
| N-2/A | Calamos convertible opportunities and income fund | Mar 1, 2019 | — |
| CORRESP | Letter to the SEC | Feb 28, 2019 | — |
| CORRESP | Letter to the SEC | Feb 28, 2019 | — |
| CORRESP | Letter to the SEC | Feb 22, 2019 | — |
| N-2/A | Calamos convertible opportunities and income fund | Feb 22, 2019 | — |
| CORRESP | Letter to the SEC | Feb 22, 2019 | — |
| N-CEN | Filing | Jan 14, 2019 | Oct 31, 2018 |
| N-2 | Calamos convertible opportunities and income fund | Dec 27, 2018 | — |
| N-CSR | Certified annual shareholder report | Dec 24, 2018 | Oct 31, 2018 |
| N-Q | Quarterly schedule of portfolio holdings | Sep 7, 2018 | Jul 31, 2018 |
| 40-17G/A | Filing | Sep 6, 2018 | — |
| N-PX | Brd8w2_0001171471_2018 | Aug 28, 2018 | Jun 30, 2018 |
| N-CSRS | Semi-annual shareholder report | Jun 21, 2018 | Apr 30, 2018 |
| 40-17G | Filing | May 11, 2018 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 8, 2018 | Jan 31, 2018 |
| N-CSR/A | Amendment to form n-csr | Jan 8, 2018 | Oct 31, 2017 |
| 40-17G/A | Filing | Jan 3, 2018 | — |
| N-CSR | Certified annual shareholder report | Dec 28, 2017 | Oct 31, 2017 |
| NSAR-B | Answer file | Dec 28, 2017 | Oct 31, 2017 |
| 497 | Filing | Oct 2, 2017 | — |
| N-Q | Quarterly schedule of portfolio holdings | Sep 1, 2017 | Jul 31, 2017 |
| N-PX | Brd8w2_0001171471.txt | Aug 28, 2017 | Jun 30, 2017 |
| NSAR-A | Answer file | Jun 26, 2017 | Apr 30, 2017 |
| N-CSRS | Certified semi-annual shareholder report | Jun 23, 2017 | Apr 30, 2017 |
| 40-17G | Filing | May 31, 2017 | — |
| 497 | Filing | Mar 29, 2017 | — |
| 497 | Filing | Mar 13, 2017 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 3, 2017 | Jan 31, 2017 |
| 497 | Filing | Mar 3, 2017 | — |
| 486BPOS | Filing | Feb 28, 2017 | — |
| NSAR-B | Answer file | Dec 29, 2016 | Oct 31, 2016 |
| N-CSR | Certified annual shareholder report | Dec 21, 2016 | Oct 31, 2016 |
| 497 | Filing | Dec 9, 2016 | — |
| 497 | Filing | Dec 7, 2016 | — |
| CORRESP | Letter to the SEC | Oct 27, 2016 | — |
| NSAR-B/A | Answer file | Oct 14, 2016 | Oct 31, 2015 |
| N-Q | Filing | Sep 15, 2016 | Jul 31, 2016 |
| N-PX | Brd8w2_0001171471_2016.txt | Aug 30, 2016 | Jun 30, 2016 |
| NSAR-A | Answer file | Jun 24, 2016 | Apr 30, 2016 |
| N-CSRS | Filing | Jun 21, 2016 | Apr 30, 2016 |
| 40-17G | Filing | May 17, 2016 | — |
| 497 | Filing | Apr 18, 2016 | — |
| N-Q | Filing | Mar 22, 2016 | Jan 31, 2016 |
| 486BPOS | Filing | Feb 26, 2016 | — |
| NSAR-B | Cvxb answers 10.31.15 | Dec 29, 2015 | Oct 31, 2015 |
| N-CSR | Filing | Dec 23, 2015 | Oct 31, 2015 |
| 497 | Filing | Oct 5, 2015 | — |
| N-Q | Filing | Sep 21, 2015 | Jul 31, 2015 |
| 497 | Filing | Sep 10, 2015 | — |
| N-PX | Brd8w2_00011714712015.txt | Aug 26, 2015 | Jun 30, 2015 |
| 497 | Filing | Jul 2, 2015 | — |
| NSAR-A | Answer file | Jun 22, 2015 | Apr 30, 2015 |
| N-CSRS | Filing | Jun 19, 2015 | Apr 30, 2015 |
| 40-17G/A | Filing | May 8, 2015 | — |
| 40-17G | Filing | Apr 22, 2015 | — |
| N-Q | Filing | Mar 23, 2015 | Jan 31, 2015 |
| 497 | Filing | Mar 3, 2015 | — |
| 486BPOS | Filing | Feb 27, 2015 | — |
| 40-17G/A | Filing | Feb 4, 2015 | — |
| NSAR-B | Answer file | Dec 30, 2014 | Oct 31, 2014 |
| N-CSR | Filing | Dec 24, 2014 | Oct 31, 2014 |
| 497 | Filing | Dec 2, 2014 | — |
| POS EX | Filing | Dec 2, 2014 | — |
| EFFECT | Filing | Dec 1, 2014 | — |
| N-2/A | Filing | Nov 26, 2014 | — |
| N-2/A | Filing | Nov 3, 2014 | — |
| N-Q | Filing | Sep 18, 2014 | Jul 31, 2014 |
| N-PX | Brd_8w20001171471.txt | Aug 28, 2014 | Jun 30, 2014 |
| NSAR-A | Answer file | Jun 25, 2014 | Apr 30, 2014 |
| N-CSRS | Filing | Jun 20, 2014 | Apr 30, 2014 |
| N-2 | Filing | May 29, 2014 | — |
| 40-17G | Filing | May 16, 2014 | — |
| 497 | Filing | Apr 9, 2014 | — |
| N-Q | Filing | Mar 24, 2014 | Jan 31, 2014 |
| 497 | Filing | Mar 4, 2014 | — |
| 486BPOS | Filing | Feb 28, 2014 | — |
| N-CSR | Filing | Dec 27, 2013 | Oct 31, 2013 |
| NSAR-B | Answer file | Dec 26, 2013 | Oct 31, 2013 |
| N-Q | Filing | Sep 18, 2013 | Jul 31, 2013 |
| N-PX | Brd8w20001171471 | Aug 30, 2013 | Jun 30, 2013 |
| 40-17G/A | Filing | Aug 15, 2013 | — |
| NSAR-A | Answer file | Jun 27, 2013 | Apr 30, 2013 |
| N-CSRS | Filing | Jun 26, 2013 | Apr 30, 2013 |
| 40-17G/A | Filing | Jun 5, 2013 | — |
| 40-17G | Filing | Apr 18, 2013 | — |
| N-Q | Filing | Mar 25, 2013 | Jan 31, 2013 |
| 497 | Filing | Mar 6, 2013 | — |
| 486BPOS | Filing | Feb 19, 2013 | — |
| 497 | Filing | Jan 28, 2013 | — |
| NSAR-B | Answer file | Dec 26, 2012 | Oct 31, 2012 |
| N-CSR | Filing | Dec 21, 2012 | Oct 31, 2012 |
| 40-17G/A | Filing | Oct 2, 2012 | — |
| N-Q | Filing | Sep 18, 2012 | Jul 31, 2012 |
| 497 | Filing | Aug 31, 2012 | — |
| N-PX | Brd_8w20001171471 | Aug 31, 2012 | Jun 30, 2012 |
| 497 | Filing | Jul 2, 2012 | — |
| CERTNAS | Auto-generated paper document | Jun 29, 2012 | — |
| NSAR-A | Answer file | Jun 28, 2012 | Apr 30, 2012 |
| 25 | Form 25 | Jun 28, 2012 | — |
| 8-A12B | Form 8-a | Jun 28, 2012 | — |
| N-CSRS | Filing | Jun 25, 2012 | Apr 30, 2012 |
| 40-17G | Filing | Mar 27, 2012 | — |
| N-Q | Filing | Mar 22, 2012 | Jan 31, 2012 |
| 497 | Filing | Mar 1, 2012 | — |
| 486BPOS | Filing | Feb 22, 2012 | — |
| 40-33 | Auto-generated paper document | Jan 31, 2012 | — |
| NSAR-B | Answer file | Dec 29, 2011 | Oct 31, 2011 |
| N-CSR | Filing | Dec 29, 2011 | Oct 31, 2011 |
| 40-33 | Auto-generated paper document | Nov 28, 2011 | — |
| N-Q | Form n-q | Sep 19, 2011 | Jul 31, 2011 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Listed as
- CHI (Nasdaq)
- Fiscal year ends
- October 31
- Headquarters
- Naperville, IL
- SEC CIK
- 1171471
Source: SEC EDGAR filings. This is company-reported data, not investment advice.