| SC 13G/A | 2003-02-14 | PEQUOT CAPITAL MANAGEMENT INC/CT/ | HEALTHCARE SERVICES GROUP INC | 1,041,100 | 9.3% | EDGAR |
| SC 13G/A | 2003-02-11 | DIMENSIONAL FUND ADVISORS INC | HEALTHCARE SERVICES GROUP INC | 742,308 | 6.5% | EDGAR |
| SC 13G | 2003-02-07 | STRONG CAPITAL MANAGEMENT INC ET AL | HEALTHCARE SERVICES GROUP INC | 54 | 5.4% | EDGAR |
| SC 13G/A | 2003-01-31 | LORD ABBETT & CO | HEALTHCARE SERVICES GROUP INC | 1,319,209 | 11.6% | EDGAR |
| SC 13G/A | 2002-05-10 | STRONG CAPITAL MANAGEMENT INC ET AL | HEALTHCARE SERVICES GROUP INC | 27 | 2.7% | EDGAR |
| SC 13G/A | 2002-02-14 | PEQUOT CAPITAL MANAGEMENT INC/CT/ | HEALTHCARE SERVICES GROUP INC | 1,043,100 | 9.4% | EDGAR |
| SC 13G | 2002-02-14 | STRONG CAPITAL MANAGEMENT INC ET AL | HEALTHCARE SERVICES GROUP INC | 67 | 6.7% | EDGAR |
| SC 13G/A | 2002-02-12 | WELLINGTON MANAGEMENT CO LLP | HEALTHCARE SERVICES GROUP INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2002-02-12 | DIMENSIONAL FUND ADVISORS INC | HEALTHCARE SERVICES GROUP INC | 812,958 | 7.5% | EDGAR |
| SC 13G/A | 2002-01-28 | LORD ABBETT & CO | HEALTHCARE SERVICES GROUP INC | 1,441,866 | 13.2% | EDGAR |
| SC 13G/A | 2001-02-15 | ROCKEFELLER & CO INC | HEALTHCARE SERVICES GROUP INC | - | - | EDGAR |
| SC 13G/A | 2001-02-13 | WELLINGTON MANAGEMENT CO LLP | HEALTHCARE SERVICES GROUP INC | 1,090,050 | 10.0% | EDGAR |
| SC 13G | 2001-02-13 | PEQUOT CAPITAL MANAGEMENT INC/CT/ | HEALTHCARE SERVICES GROUP INC | 1,011,100 | 9.2% | EDGAR |
| SC 13G | 2001-02-02 | DIMENSIONAL FUND ADVISORS INC | HEALTHCARE SERVICES GROUP INC | 820,058 | 7.5% | EDGAR |
| SC 13G/A | 2001-01-19 | LORD ABBETT & CO | HEALTHCARE SERVICES GROUP INC | 1,722,584 | 15.8% | EDGAR |
| SC 13G/A | 2001-01-16 | FRANKLIN RESOURCES INC | HEALTHCARE SERVICES GROUP INC | 198,975 | 1.8% | EDGAR |
| SC 13G | 2000-02-15 | DAWSON SAMBERG CAPITAL MANAGEMENT INC /CT | HEALTHCARE SERVICES GROUP INC | 0 | 0.0% | EDGAR |
| SC 13G | 2000-02-15 | DAWSON SAMBERG CAPITAL MANAGEMENT INC /CT | HEALTHCARE SERVICES GROUP INC | 0 | 0.0% | EDGAR |
| SC 13G | 2000-02-15 | DAWSON SAMBERG CAPITAL MANAGEMENT INC /CT | HEALTHCARE SERVICES GROUP INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2000-02-14 | ROCKEFELLER & CO INC /ADV | HEALTHCARE SERVICES GROUP INC | 614,877 | 5.6% | EDGAR |