HARVARD BIOSCIENCE INC's ticker is HBIO and the CUSIP is 416906105. A total of 67 filers reported holding HARVARD BIOSCIENCE INC in Q1 2023. The put-call ratio across all filers is 0.22 and the average weighting 0.4%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Engine Capital Management, LP | 3,542,852 | $10,536,000 | 4.92% |
| Fondren Management LP | 865,000 | $2,660,000 | 2.21% |
| Harvey Partners, LLC | 742,500 | $2,283,000 | 1.65% |
| BARD ASSOCIATES INC | 311,922 | $959,000 | 0.49% |
| Adirondack Research & Management Inc. | 131,042 | $403,000 | 0.35% |
| Granahan Investment Management | 1,771,964 | $5,449,000 | 0.30% |
| DALTON GREINER HARTMAN MAHER & CO | 1,373,518 | $4,224,000 | 0.29% |
| HEARTLAND ADVISORS INC | 1,000,000 | $3,075,000 | 0.24% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 499,616 | $1,536,000 | 0.22% |
| Alambic Investment Management, L.P. | 43,569 | $134,000 | 0.10% |