Calamos Strategic Total Return Fund SEC filings CSQ
Calamos Strategic Total Return Fund has 452 filings in SEC EDGAR's recent list, going back to Jan 7, 2004. 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-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_0001275214_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_0001275214_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 | — |
| N-CSR/A | Filing | Jun 6, 2022 | Oct 31, 2021 |
| NPORT-P | Filing | Mar 25, 2022 | Jan 31, 2022 |
| N-CEN | Filing | Jan 13, 2022 | Oct 31, 2021 |
| N-CSR | Certified 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_0001275214_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 | — |
| N-2ASR | N-2 | Apr 30, 2021 | — |
| NPORT-P | Filing | Mar 31, 2021 | Jan 31, 2021 |
| N-CEN | Filing | Jan 12, 2021 | Oct 31, 2020 |
| N-CSR | Certified annual shareholder report | Dec 30, 2020 | Oct 31, 2020 |
| NPORT-P | Filing | Dec 18, 2020 | Oct 31, 2020 |
| NPORT-P | Filing | Sep 29, 2020 | Jul 31, 2020 |
| N-PX | Brd8w2_0001275214_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 |
| N-CEN | Filing | Jan 13, 2020 | Oct 31, 2019 |
| N-CSR | Certified annual shareholder report | Dec 27, 2019 | Oct 31, 2019 |
| NPORT-P | Filing | Dec 27, 2019 | Oct 31, 2019 |
| NPORT-EX | Calamos strategic total return fund | Sep 30, 2019 | Jul 31, 2019 |
| N-PX | Brd8w2_0001275214_2019.txt | Aug 28, 2019 | Jun 30, 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 |
| N-Q | Quarterly schedule of portfolio holdings | Mar 7, 2019 | Jan 31, 2019 |
| N-CEN | Filing | Jan 14, 2019 | Oct 31, 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_0001275214_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 |
| N-Q | Quarterly schedule of portfolio holdings | Sep 1, 2017 | Jul 31, 2017 |
| N-PX | Brd8w2_0001275214.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 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 3, 2017 | Jan 31, 2017 |
| NSAR-B | Answer file | Dec 29, 2016 | Oct 31, 2016 |
| N-CSR | Certified annual shareholder report | Dec 21, 2016 | Oct 31, 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_0001275214_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 | — |
| N-Q | Filing | Mar 22, 2016 | Jan 31, 2016 |
| NSAR-B | Cvxa answers 10.31.15 | Dec 29, 2015 | Oct 31, 2015 |
| N-CSR | Filing | Dec 23, 2015 | Oct 31, 2015 |
| N-Q | Filing | Sep 21, 2015 | Jul 31, 2015 |
| N-PX | Brd8w2_00012752142015.txt | Aug 27, 2015 | Jun 30, 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 |
| 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 |
| N-Q | Filing | Sep 18, 2014 | Jul 31, 2014 |
| N-PX | Brd_8w20001275214.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 |
| 40-17G | Filing | May 16, 2014 | — |
| N-Q | Filing | Mar 24, 2014 | Jan 31, 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 | Brd8w20001275214 | 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 |
| 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 |
| N-PX | Brd_8w20001275214 | Aug 31, 2012 | Jun 30, 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 |
| NSAR-B | Filing | Dec 29, 2011 | Oct 31, 2011 |
| N-CSR | Filing | Dec 29, 2011 | Oct 31, 2011 |
| N-Q | Form n-q | Sep 19, 2011 | Jul 31, 2011 |
| N-PX | Brd8w20001275214 | Aug 31, 2011 | Jun 30, 2011 |
| NSAR-A | Filing | Jun 28, 2011 | Apr 30, 2011 |
| N-CSRS | Form n-csrs | Jun 24, 2011 | Apr 30, 2011 |
| N-Q | Form n-q | Mar 25, 2011 | Jan 31, 2011 |
| 40-17G | Filing | Mar 21, 2011 | — |
| NSAR-B | Annual report | Dec 30, 2010 | Oct 31, 2010 |
| N-CSR | Form n-csr | Dec 21, 2010 | Oct 31, 2010 |
| N-Q | Form n-q | Sep 21, 2010 | Jul 31, 2010 |
| N-PX | Brd8w20001275214.txt | Aug 27, 2010 | Jun 30, 2010 |
| NSAR-A | Filing | Jun 25, 2010 | Apr 30, 2010 |
| N-CSRS | Form n-csr | Jun 24, 2010 | Apr 30, 2010 |
| N-Q | Form n-q | Mar 23, 2010 | Jan 31, 2010 |
| 40-17G | Filing | Feb 1, 2010 | — |
| N-CSR | Form n-csr | Dec 30, 2009 | Oct 31, 2008 |
| NSAR-B | Filing | Dec 29, 2009 | Oct 31, 2009 |
| N-Q | Filing | Sep 25, 2009 | Jul 31, 2009 |
| N-PX | Brd8w2_0001275214.txt | Aug 27, 2009 | Jun 30, 2008 |
| NSAR-A | Semi annual report | Jun 29, 2009 | Apr 30, 2009 |
| N-CSRS | Filing | Jun 26, 2009 | Apr 30, 2009 |
| N-23C-2 | Filing | Jun 8, 2009 | Jun 8, 2009 |
| N-Q | Filing | Mar 20, 2009 | Jan 31, 2009 |
| 40-17G | Filing | Feb 17, 2009 | — |
| 40-APP/A | Filing | Jan 14, 2009 | — |
| 40-APP/A | Filing | Jan 12, 2009 | — |
| NSAR-B | Annual report | Dec 30, 2008 | Oct 31, 2008 |
| N-CSR | Filing | Dec 29, 2008 | Oct 31, 2008 |
| 40-APP/A | Auto-generated paper document | Dec 18, 2008 | — |
| 40-APP/A | Auto-generated paper document | Oct 14, 2008 | — |
| N-Q | Quarterly schedule of portfolio holdings | Sep 25, 2008 | Jul 31, 2008 |
| POS EX | Post-effective amendment to registration statement | Sep 3, 2008 | — |
| 497 | Form 497 | Sep 3, 2008 | — |
| N-PX | Calamos strategic total return fund | Aug 27, 2008 | Jun 30, 2008 |
| 40-APP/A | Auto-generated paper document | Jul 24, 2008 | — |
| 40-APP | Auto-generated paper document | Jul 24, 2008 | — |
| NSAR-A | Filing | Jun 27, 2008 | Apr 30, 2008 |
| N-CSRS | Certified shareholder report | Jun 26, 2008 | Apr 30, 2008 |
| N-23C-2 | Rule 23c-2 notice of intention to redeem securities | Apr 25, 2008 | Apr 24, 2008 |
| N-Q | Form n-q | Mar 24, 2008 | Jan 31, 2008 |
| EFFECT | Filing | Mar 11, 2008 | — |
| CORRESP | Letter to the SEC | Mar 7, 2008 | — |
| CORRESP | Letter to the SEC | Mar 7, 2008 | — |
| N-2/A | Amendment to registration statement | Mar 7, 2008 | — |
| 40-17G | Fidelity bond | Feb 29, 2008 | — |
| CORRESP | Letter to the SEC | Feb 28, 2008 | — |
| CORRESP | Letter to the SEC | Feb 22, 2008 | — |
| CORRESP | Letter to the SEC | Feb 22, 2008 | — |
| CORRESP | Letter to the SEC | Feb 22, 2008 | — |
| N-2/A | Amendment to registration statement | Feb 22, 2008 | — |
| CORRESP | Letter to the SEC | Jan 30, 2008 | — |
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.
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Company profile
- Listed as
- CSQ (Nasdaq)
- Fiscal year ends
- October 31
- Headquarters
- Naperville, IL
- SEC CIK
- 1275214
Source: SEC EDGAR filings. This is company-reported data, not investment advice.