| SC 13G/A | 2024-02-13 | RENAISSANCE TECHNOLOGIES LLC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,082,940 | 5.4% | EDGAR |
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,535,887 | 7.6% | EDGAR |
| SC 13G/A | 2024-02-09 | DIMENSIONAL FUND ADVISORS LP | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,319,499 | 6.6% | EDGAR |
| SC 13G/A | 2024-01-22 | BlackRock Inc. | HEIDRICK & STRUGGLES INTERNATIONAL INC | 3,397,238 | 16.9% | EDGAR |
| SC 13G/A | 2023-02-13 | RENAISSANCE TECHNOLOGIES LLC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,057,253 | 5.3% | EDGAR |
| SC 13G/A | 2023-02-10 | DIMENSIONAL FUND ADVISORS LP | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,301,505 | 6.6% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,605,314 | 8.1% | EDGAR |
| SC 13G/A | 2023-01-27 | ROYCE & ASSOCIATES LP | HEIDRICK & STRUGGLES INTERNATIONAL INC | 164,862 | 0.8% | EDGAR |
| SC 13G/A | 2023-01-26 | BlackRock Inc. | HEIDRICK & STRUGGLES INTERNATIONAL INC | 3,459,636 | 17.4% | EDGAR |
| SC 13G/A | 2023-01-20 | BlackRock Inc. | HEIDRICK & STRUGGLES INTERNATIONAL INC | 3,459,636 | 17.4% | EDGAR |
| SC 13G/A | 2022-02-14 | Russell Investments Group, Ltd. | HEIDRICK & STRUGGLES INTERNATIONAL INC | 57,897 | 0.3% | EDGAR |
| SC 13G/A | 2022-02-11 | RENAISSANCE TECHNOLOGIES LLC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,241,802 | 6.3% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,446,987 | 7.4% | EDGAR |
| SC 13G/A | 2022-02-08 | DIMENSIONAL FUND ADVISORS LP | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,190,438 | 6.1% | EDGAR |
| SC 13G/A | 2022-02-07 | BlackRock Inc. | HEIDRICK & STRUGGLES INTERNATIONAL INC | 3,217,782 | 16.4% | EDGAR |
| SC 13G/A | 2022-01-21 | ROYCE & ASSOCIATES LP | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,025,868 | 5.2% | EDGAR |
| SC 13G/A | 2021-02-12 | DIMENSIONAL FUND ADVISORS LP | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,345,098 | 6.9% | EDGAR |
| SC 13G/A | 2021-02-11 | RENAISSANCE TECHNOLOGIES LLC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,425,302 | 7.4% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,217,858 | 6.3% | EDGAR |
| SC 13G | 2021-02-02 | Russell Investments Group, Ltd. | HEIDRICK & STRUGGLES INTERNATIONAL INC | 1,097,678 | 5.7% | EDGAR |