Recent filings
The trust's recent EDGAR filings — prospectus updates, shareholder reports, proxy records. Trust-level, so some cover other funds in VANGUARD INSTITUTIONAL INDEX FUNDS.
| Filed | Filing | Form | |
|---|---|---|---|
| 2026-04-28 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2026-04-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-04-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-04-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-04-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-12 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2026-02-27 | Annual shareholder report report | N-CSR | EDGAR → |
| 2026-02-02 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2025-10-21 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2025-08-27 | Proxy voting record proxy | N-PX | EDGAR → |
| 2025-08-27 | Proxy voting record proxy | N-PX | EDGAR → |
| 2025-08-27 | Proxy voting record proxy | N-PX | EDGAR → |
| 2025-08-27 | Proxy voting record proxy | N-PX | EDGAR → |
| 2025-08-27 | Semi-annual shareholder report report | N-CSRS | EDGAR → |
| 2025-04-29 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2025-04-29 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-04-29 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-03-13 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2025-03-04 | Annual shareholder report report | N-CSR | EDGAR → |
| 2025-02-06 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2025-02-06 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-02-06 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-02-06 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2025-02-06 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-02-06 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-01-23 | Additional proxy materials proxy | DEFA14A | EDGAR → |
| 2024-11-22 | Draft prospectus amendment prospectus | 485APOS | EDGAR → |
| 2024-10-25 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2024-08-30 | Semi-annual shareholder report report | N-CSRS | EDGAR → |
| 2024-08-29 | Proxy voting record proxy | N-PX | EDGAR → |
| 2024-08-29 | Proxy voting record proxy | N-PX | EDGAR → |
| 2024-06-28 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2024-04-26 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2024-04-26 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-04-26 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-03-13 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2024-02-29 | Annual shareholder report report | N-CSR | EDGAR → |
| 2023-08-28 | Proxy voting record proxy | N-PX | EDGAR → |
| 2023-08-28 | Proxy voting record proxy | N-PX | EDGAR → |
| 2023-08-28 | Semi-annual shareholder report report | N-CSRS | EDGAR → |
| 2023-07-21 | Draft prospectus amendment prospectus | 485APOS | EDGAR → |
| 2023-04-28 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2023-04-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2023-04-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2023-03-15 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2023-03-01 | Annual shareholder report report | N-CSR | EDGAR → |
| 2022-08-29 | Semi-annual shareholder report report | N-CSRS | EDGAR → |
| 2022-08-26 | Proxy voting record proxy | N-PX | EDGAR → |
| 2022-08-26 | Proxy voting record proxy | N-PX | EDGAR → |
| 2022-04-29 | Updated prospectus prospectus | 485BPOS | EDGAR → |
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