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 (timeout) |
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 (Rule 424(b)(2)) — PROSPECTUS FILED PURSUANT TO RULE 424(B)(2)latest · filing index | Nov 14, 2025 | Nov 14, 2025 | 424B2 | SEC EDGAR | OK (Oct 11, 2026, 12:16 AM EDT) |
| Registration statement amendment (Form N-2/A) — AMENDMENT TO FORM N-2 · filing index | Oct 23, 2025 | Oct 23, 2025 | N-2/A | SEC EDGAR | unchecked |
| Registration statement / prospectus (Form N-2) — FORM N-2 · filing index | Oct 3, 2025 | Oct 3, 2025 | N-2 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) — FORM 497 · filing index | May 24, 2007 | May 24, 2007 | 497 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) · filing index | May 22, 2007 | May 22, 2007 | 497 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) · filing index | May 22, 2007 | May 22, 2007 | 497 | SEC EDGAR | unchecked |
| Prospectus supplement (Rule 497) · filing index | May 22, 2007 | May 22, 2007 | 497 | SEC EDGAR | unchecked |
| Registration statement amendment (Form N-2/A) · filing index | May 16, 2007 | May 16, 2007 | N-2/A | 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) — ANNUAL SHAREHOLDER REPORTlatest · filing index | Dec 31, 2025 | Mar 10, 2026 | N-CSR | SEC EDGAR | OK (Oct 11, 2026, 12:16 AM EDT) |
| Annual shareholder report (Form N-CSR) — THE SWISS HELVETIA FUND, INC. ANNUAL REPORT 12-31-23 · filing index | Dec 31, 2024 | Mar 11, 2025 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — THE SWISS HELVETIA FUND, INC. ANNUAL REPORT 12-31-23 · filing index | Dec 31, 2023 | Mar 7, 2024 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — THE SWISS HELVETIA FUND ANNUAL REPORT 12-31-22 · filing index | Mar 6, 2023 | Mar 6, 2023 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — THE SWISS HELVETIA FUND ANNUAL REPORT 12-31-21 · filing index | Dec 31, 2021 | Mar 3, 2022 | N-CSR | SEC EDGAR | unchecked |
| Annual shareholder report (Form N-CSR) — THE SWISS HELVETIA FUND ANNUAL REPORT 12-31-20 · filing index | Dec 31, 2020 | Mar 8, 2021 | N-CSR | SEC EDGAR | unchecked |
Semi-annual reports (N-CSRS)
| Document | Date | Filed | Form | Source | Status |
|---|
| Semi-annual shareholder report (Form N-CSRS) — CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORTlatest · filing index | Jun 30, 2026 | Sep 4, 2026 | N-CSRS | SEC EDGAR | OK (Oct 11, 2026, 12:16 AM EDT) |
| Semi-annual shareholder report (Form N-CSRS) — CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT · filing index | Jun 30, 2025 | Sep 8, 2025 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — THE SWISS HELVETIA FUND SEMIANNUAL REPORT 6-30-24 · filing index | Jun 30, 2024 | Sep 9, 2024 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) · filing index | Jun 30, 2023 | Sep 6, 2023 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — THE SWISS HELVETIA FUND SEMIANNUAL REPORT 6-30-22 · filing index | Jun 30, 2022 | Sep 1, 2022 | N-CSRS | SEC EDGAR | unchecked |
| Semi-annual shareholder report (Form N-CSRS) — THE SWISS HELVETIA FUND SEMIANNUAL REPORT 6-30-21 · filing index | Jun 30, 2021 | Aug 31, 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 | Jun 30, 2026 | Aug 31, 2026 | NPORT-P | SEC EDGAR | OK (Oct 11, 2026, 12:15 AM EDT) |
| Monthly portfolio holdings (Form N-PORT) · filing index | Mar 31, 2026 | Jun 1, 2026 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Dec 31, 2025 | Feb 6, 2026 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Sep 30, 2025 | Nov 26, 2025 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Jun 30, 2025 | Aug 6, 2025 | NPORT-P | SEC EDGAR | unchecked |
| Monthly portfolio holdings (Form N-PORT) · filing index | Mar 31, 2025 | May 29, 2025 | NPORT-P | SEC EDGAR | unchecked |
Tender offers
Schedule TO filings: pricing formula, size, deadlines, proration.
| Document | Date | Filed | Form | Source | Status |
|---|
| Issuer tender offer amendment (SC TO-I/A) — AMENDMENT TO FORM SC TO-Ilatest · filing index | Jan 22, 2026 | Jan 22, 2026 | SC TO-I/A | SEC EDGAR | OK (Oct 11, 2026, 12:16 AM EDT) |
| Issuer tender offer amendment (SC TO-I/A) — AMENDMENT TO FORM SC TO-I · filing index | Jan 21, 2026 | Jan 21, 2026 | SC TO-I/A | SEC EDGAR | unchecked |
| Issuer tender offer statement (SC TO-I) — ISSUER TENDER OFFER STATEMENT · filing index | Dec 19, 2025 | Dec 19, 2025 | SC TO-I | SEC EDGAR | unchecked |
| Tender offer communication (SC TO-C) — SCHEDULE TO · filing index | Aug 20, 2025 | Aug 20, 2025 | SC TO-C | SEC EDGAR | unchecked |
| Tender offer communication (SC TO-C) — SCHEDULE TO · filing index | Jan 28, 2025 | Jan 28, 2025 | SC TO-C | SEC EDGAR | unchecked |
| Tender offer communication (SC TO-C) — SCHEDULE TO · filing index | Jan 10, 2025 | Jan 10, 2025 | SC TO-C | SEC EDGAR | unchecked |
| Tender offer communication (SC TO-C) — SCHEDULE T/O - PRESS RELEASE · filing index | Oct 4, 2019 | Oct 4, 2019 | SC TO-C | SEC EDGAR | unchecked |
| Tender offer communication (SC TO-C) — SCHEDULE T/O - PRESS RELEASE · filing index | Jul 29, 2019 | Jul 29, 2019 | SC TO-C | SEC EDGAR | unchecked |
| Issuer tender offer amendment (SC TO-I/A) — SC TO-I/A · filing index | Nov 20, 2018 | Nov 20, 2018 | SC TO-I/A | SEC EDGAR | unchecked |
| Issuer tender offer amendment (SC TO-I/A) — SC TO-I/A · filing index | Nov 19, 2018 | Nov 19, 2018 | SC TO-I/A | SEC EDGAR | unchecked |
| Issuer tender offer statement (SC TO-I) — SC TO-I · filing index | Oct 22, 2018 | Oct 22, 2018 | SC TO-I | SEC EDGAR | unchecked |
| Tender offer communication (SC TO-C) — SC TO-C · filing index | Sep 19, 2018 | Sep 19, 2018 | SC TO-C | 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 | Jun 11, 2026 | May 8, 2026 | DEF 14A | SEC EDGAR | OK (Oct 11, 2026, 12:22 AM EDT) |
| Proxy statement (DEF 14A) — DEFINITIVE PROXY STATEMENT · filing index | Jan 28, 2025 | Jan 28, 2025 | DEF 14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEFINITIVE PROXY STATEMENT · filing index | Jan 27, 2025 | Jan 27, 2025 | DEF 14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEFINITIVE PROXY STATEMENT · filing index | Sep 16, 2024 | Sep 16, 2024 | DEF 14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEFINITIVE PROXY STATEMENT · filing index | Jul 25, 2023 | Jul 25, 2023 | DEF 14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEFINITIVE PROXY STATEMENT · filing index | Jul 26, 2022 | Jul 27, 2022 | DEF 14A | SEC EDGAR | unchecked |
| Additional proxy materials (DEFA14A) — DEFINITIVE ADDITIONAL MATERIALS · filing index | Aug 19, 2021 | Aug 19, 2021 | DEFA14A | SEC EDGAR | unchecked |
| Proxy statement (DEF 14A) — DEFINITIVE PROXY STATEMENT · filing index | Jul 26, 2021 | Jul 26, 2021 | DEF 14A | SEC EDGAR | unchecked |
Current reports (8-K)
| Document | Date | Filed | Form | Source | Status |
|---|
| Current report (8-K) — CURRENT REPORTlatest · filing index | Oct 11, 2024 | Oct 11, 2024 | 8-K | SEC EDGAR | OK (Oct 11, 2026, 12:16 AM EDT) |
| Current report (8-K) — INVESTOR NOTIFICATION · filing index | Sep 13, 2023 | Sep 13, 2023 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — INVESTOR NOTIFICATION · filing index | Sep 14, 2022 | Sep 14, 2022 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — INVESTOR NOTIFICATION · filing index | Sep 9, 2021 | Sep 9, 2021 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — INVESTOR NOTIFICATION · filing index | Sep 11, 2020 | Sep 11, 2020 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — FORM 8-K · filing index | Jun 19, 2018 | Jun 19, 2018 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — FORM 8-K · filing index | Dec 4, 2017 | Dec 7, 2017 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) — FORM 8-K · filing index | Jun 27, 2017 | Jun 27, 2017 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) · filing index | Dec 21, 2016 | Dec 23, 2016 | 8-K | SEC EDGAR | unchecked |
| Current report (8-K) · filing index | Jun 20, 2016 | Jun 20, 2016 | 8-K | SEC EDGAR | unchecked |
Other periodic reports
| Document | Date | Filed | Form | Source | Status |
|---|
| Periodic report to shareholders (N-30B-2) — PERIODIC AND INTERIM REPORTS TO SHAREHOLDERSlatest · filing index | Mar 31, 2019 | May 24, 2019 | N-30B-2 | SEC EDGAR | OK (Oct 11, 2026, 12:16 AM EDT) |
| Periodic report to shareholders (N-30B-2) — SWISS HELVETIA FUND, INC. · filing index | Sep 30, 2018 | Nov 29, 2018 | N-30B-2 | SEC EDGAR | unchecked |
| Periodic report to shareholders (N-30B-2) — SWISS HELVETIA FUND, INC. · filing index | Mar 31, 2018 | May 21, 2018 | N-30B-2 | SEC EDGAR | unchecked |
| Periodic report to shareholders (N-30B-2) — SWISS HELVETIA FUND, INC. · filing index | Sep 30, 2017 | Nov 21, 2017 | 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 11, 2026, 12:15 AM EDT) |
| Proxy voting record (N-PX) · filing index | Jun 30, 2025 | Aug 28, 2025 | N-PX | SEC EDGAR | unchecked |
| Proxy voting record (N-PX) · filing index | Jun 30, 2024 | Sep 3, 2024 | N-PX | SEC EDGAR | unchecked |
| Proxy voting record (N-PX) — ANNUAL REPORT OF PROXY VOTING · filing index | Jun 30, 2023 | Aug 31, 2023 | N-PX | SEC EDGAR | unchecked |
| All SEC filings for this fund (EDGAR)latest | — | — | — | SEC EDGAR | OK (Oct 11, 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.