Links go to SEC EDGAR or the sponsor. Document dates are the filing's report date (or filing date); an older prospectus is shown with its date and is not a current comprehensive source. Links are checked weekly; failures are flagged.
Sponsor & official fund page
The sponsor's site carries daily NAV, fact sheets, distribution notices (Section 19(a)), tax information and reinvestment-plan terms.
| Document | Date | Filed | Form | Source | Status |
|---|
| Sponsor websitelatest | — | — | — | Sponsor | link check failed (403) |
Prospectus & registration statements
Form N-2 and supplements: investment policies, fee table, leverage terms, rights offerings, at-the-market programmes.
| Document | Date | Filed | Form | Source | Status |
|---|
| Prospectus supplement (Rule 497)latest · filing index | Sep 29, 2023 | Sep 29, 2023 | 497 | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Prospectus supplement (Rule 497) · filing index | Dec 29, 2021 | Dec 29, 2021 | 497 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) · filing index | May 30, 2018 | May 30, 2018 | 497 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) · filing index | Jul 12, 2017 | Jul 12, 2017 | 497 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) · filing index | Jul 12, 2017 | Jul 12, 2017 | 497 | SEC EDGAR | unchecked |
| Registration statement amendment (Form N-2/A) — N-2/A · filing index | Jun 14, 2017 | Jun 14, 2017 | N-2/A | SEC EDGAR | unchecked |
| Registration statement amendment (Form N-2/A) — N-2/A · filing index | Jun 12, 2017 | Jun 12, 2017 | N-2/A | SEC EDGAR | unchecked |
| Registration statement / prospectus (Form N-2) — FORM N-2 · filing index | Apr 28, 2017 | Apr 28, 2017 | N-2 | SEC EDGAR | unchecked |
Annual reports (N-CSR)
Financial highlights, statements, notes on leverage and fees, distribution sources.
| Document | Date | Filed | Form | Source | Status |
|---|
| Annual shareholder report (Form N-CSR) — N-CSRlatest · filing index | Nov 30, 2025 | Jan 23, 2026 | N-CSR | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Annual shareholder report (Form N-CSR) — N-CSR · filing index | Nov 30, 2024 | Jan 28, 2025 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — N-CSR · filing index | Nov 30, 2023 | Jan 26, 2024 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — N-CSR · filing index | Jan 26, 2023 | Jan 26, 2023 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — N-CSR · filing index | Nov 30, 2021 | Jan 28, 2022 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — N-CSR · filing index | Nov 30, 2020 | Jan 28, 2021 | N-CSR | SEC EDGAR | unchecked |
Semi-annual reports (N-CSRS)
| Document | Date | Filed | Form | Source | Status |
|---|
| Semi-annual shareholder report (Form N-CSRS) — N-CSRSlatest · filing index | May 31, 2026 | Jul 21, 2026 | N-CSRS | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Semi-annual shareholder report (Form N-CSRS) — N-CSRS · filing index | May 31, 2025 | Jul 25, 2025 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — N-CSRS · filing index | May 31, 2024 | Jul 24, 2024 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — N-CSRS · filing index | May 31, 2023 | Jul 28, 2023 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — N-CSRS · filing index | May 31, 2022 | Jul 28, 2022 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — N-CSRS · filing index | May 31, 2021 | Jul 30, 2021 | N-CSRS | SEC EDGAR | unchecked |
Portfolio holdings (N-PORT)
Monthly portfolio filed quarterly with a ~60-day lag.
| Document | Date | Filed | Form | Source | Status |
|---|
| Monthly portfolio holdings (Form N-PORT)latest · filing index | May 31, 2026 | Jul 29, 2026 | NPORT-P | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Monthly portfolio holdings (Form N-PORT) · filing index | Feb 28, 2026 | Apr 28, 2026 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Nov 30, 2025 | Jan 26, 2026 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Aug 31, 2025 | Oct 22, 2025 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | May 31, 2025 | Jul 29, 2025 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Feb 28, 2025 | Apr 25, 2025 | NPORT-P | SEC EDGAR | unchecked |
Proxy statements & reorganisations
Shareholder votes: directors, mergers, liquidations, conversions.
| Document | Date | Filed | Form | Source | Status |
|---|
| Proxy statement (DEF 14A) — DEF 14Alatest · filing index | Apr 8, 2026 | Feb 26, 2026 | DEF 14A | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Proxy statement (DEF 14A) — DEF 14A · filing index | Apr 9, 2025 | Feb 26, 2025 | DEF 14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEF 14A · filing index | Feb 28, 2024 | Feb 28, 2024 | DEF 14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEF 14A · filing index | Apr 4, 2023 | Feb 22, 2023 | DEF 14A | SEC EDGAR | unchecked |
| Additional proxy materials (DEFA14A) — DEFA14A · filing index | Apr 7, 2022 | Apr 7, 2022 | DEFA14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEF 14A · filing index | Apr 7, 2022 | Feb 28, 2022 | DEF 14A | SEC EDGAR | unchecked |
| Additional proxy materials (DEFA14A) — DEFA14A · filing index | Apr 5, 2022 | Apr 5, 2022 | DEFA14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEF 14A · filing index | Apr 8, 2021 | Mar 1, 2021 | DEF 14A | SEC EDGAR | unchecked |
Current reports (8-K)
| Document | Date | Filed | Form | Source | Status |
|---|
| Current report (8-K) — CURRENT REPORTlatest · filing index | Jun 24, 2025 | Jun 25, 2025 | 8-K | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Current report (8-K) · filing index | Aug 21, 2023 | Aug 21, 2023 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) · filing index | Jun 15, 2023 | Jun 15, 2023 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) · filing index | Mar 24, 2023 | Mar 28, 2023 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) · filing index | Jun 11, 2021 | Jun 16, 2021 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) · filing index | Dec 9, 2020 | Dec 14, 2020 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — FORM 8-K · filing index | Jan 17, 2014 | Jan 21, 2014 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — KAYNE ANDERSON MLP INVESTMENT COMPANY 8-K · filing index | Nov 10, 2010 | Nov 16, 2010 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — KAYNE ANDERSON MLP INVESTMENT CO. 8-K · filing index | May 7, 2010 | May 11, 2010 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — KAYNE ANDERSON MLP INVESTMENT COMPANY 8-K · filing index | Apr 20, 2010 | Apr 21, 2010 | 8-K | SEC EDGAR | unchecked |
Other periodic reports
| Document | Date | Filed | Form | Source | Status |
|---|
| Periodic report to shareholders (N-30B-2) — N-30B-2latest · filing index | Feb 28, 2026 | Apr 21, 2026 | N-30B-2 | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Periodic report to shareholders (N-30B-2) — N-30B-2 · filing index | Aug 31, 2025 | Oct 21, 2025 | N-30B-2 | SEC EDGAR | unchecked |
| Periodic report to shareholders (N-30B-2) — N-30B-2 · filing index | Feb 28, 2025 | Apr 24, 2025 | N-30B-2 | SEC EDGAR | unchecked |
| Periodic report to shareholders (N-30B-2) — N-30B-2 · filing index | Aug 31, 2024 | Oct 22, 2024 | N-30B-2 | SEC EDGAR | unchecked |
Other
| Document | Date | Filed | Form | Source | Status |
|---|
| Proxy voting record (N-PX)latest · filing index | Jun 30, 2026 | Aug 20, 2026 | N-PX | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
| Proxy voting record (N-PX) · filing index | Jun 30, 2025 | Aug 21, 2025 | N-PX | SEC EDGAR | unchecked |
| Exemptive application (40-APP) — 40-APP · filing index | Jun 30, 2025 | Jun 30, 2025 | 40-APP | SEC EDGAR | unchecked |
| Proxy voting record (N-PX) · filing index | Jun 30, 2024 | Aug 30, 2024 | N-PX | SEC EDGAR | unchecked |
| All SEC filings for this fund (EDGAR)latest | — | — | — | SEC EDGAR | OK (Oct 4, 2026, 12:25 AM EDT) |
Not on file for this fund: fact sheets, distribution notices, tax information, reinvestment plan. These are published on the sponsor's site rather than EDGAR; use the sponsor link above.