Recent filings
The trust's recent EDGAR filings — prospectus updates, shareholder reports, proxy records. Trust-level, so some cover other funds in WILLIAM BLAIR FUNDS.
| Filed | Filing | Form | |
|---|---|---|---|
| 2026-06-30 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2026-06-30 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-06-30 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-06-30 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-06-08 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2026-06-08 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-05-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-04-29 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2026-03-30 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2026-03-30 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-12 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2026-03-05 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-02-26 | Annual shareholder report report | N-CSR | EDGAR → |
| 2026-02-05 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2026-02-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-01-28 | Additional proxy materials proxy | DEFA14A | EDGAR → |
| 2026-01-14 | Additional proxy materials proxy | DEFA14A | EDGAR → |
| 2026-01-12 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2026-01-12 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2026-01-12 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-01-12 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-01-12 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-01-12 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-01-12 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-12-30 | Additional proxy materials proxy | DEFA14A | EDGAR → |
| 2025-12-11 | Proxy statement proxy | DEF 14A | EDGAR → |
| 2025-11-28 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2025-11-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-11-28 | Draft prospectus amendment prospectus | 485APOS | EDGAR → |
| 2025-10-14 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2025-10-14 | Summary prospectus prospectus | 497K | EDGAR → |
Machine-readable: JSON · Markdown. Programmatic access via the agent surface.