SC 13G/A | 2000-02-14 | ROCKEFELLER & CO INC /ADV | HEALTHCARE SERVICES GROUP INC | 614,877 | 5.6% | EDGAR |
SC 13G/A | 2000-02-14 | ROCKEFELLER & CO INC /ADV | HEALTHCARE SERVICES GROUP INC | 614,877 | 5.6% | EDGAR |
SC 13G/A | 2000-02-11 | WELLINGTON MANAGEMENT CO LLP | HEALTHCARE SERVICES GROUP INC | 1,091,900 | 9.9% | EDGAR |
SC 13G/A | 2000-02-11 | WELLINGTON MANAGEMENT CO LLP | HEALTHCARE SERVICES GROUP INC | 1,091,900 | 9.9% | EDGAR |
SC 13G/A | 2000-02-11 | WELLINGTON MANAGEMENT CO LLP | HEALTHCARE SERVICES GROUP INC | 1,091,900 | 9.9% | EDGAR |
SC 13G | 2000-02-10 | PEQUOT CAPITAL MANAGEMENT INC/CT/ | HEALTHCARE SERVICES GROUP INC | 876,100 | 6.8% | EDGAR |
SC 13G | 2000-02-10 | PEQUOT CAPITAL MANAGEMENT INC/CT/ | HEALTHCARE SERVICES GROUP INC | 876,100 | 6.8% | EDGAR |
SC 13G | 2000-02-10 | PEQUOT CAPITAL MANAGEMENT INC/CT/ | HEALTHCARE SERVICES GROUP INC | 876,100 | 6.8% | EDGAR |
SC 13G/A | 2000-02-08 | LORD ABBETT & CO | HEALTHCARE SERVICES GROUP INC | 1,999,036 | 18.1% | EDGAR |
SC 13G/A | 2000-02-08 | LORD ABBETT & CO | HEALTHCARE SERVICES GROUP INC | 1,999,036 | 18.1% | EDGAR |
SC 13G/A | 2000-02-08 | LORD ABBETT & CO | HEALTHCARE SERVICES GROUP INC | 1,999,036 | 18.1% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | HEALTHCARE SERVICES GROUP INC | 776,358 | 7.0% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | HEALTHCARE SERVICES GROUP INC | 776,358 | 7.0% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | HEALTHCARE SERVICES GROUP INC | 776,358 | 7.0% | EDGAR |
SC 13G/A | 2000-02-02 | STATE OF WISCONSIN INVESTMENT BOARD | HEALTHCARE SERVICES GROUP INC | 188,300 | 1.7% | EDGAR |
SC 13G/A | 2000-02-02 | STATE OF WISCONSIN INVESTMENT BOARD | HEALTHCARE SERVICES GROUP INC | 188,300 | 1.7% | EDGAR |
SC 13G/A | 2000-02-02 | STATE OF WISCONSIN INVESTMENT BOARD | HEALTHCARE SERVICES GROUP INC | 188,300 | 1.7% | EDGAR |