HARVARD BIOSCIENCE INC's ticker is HBIO and the CUSIP is 416906105. A total of 100 filers reported holding HARVARD BIOSCIENCE INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $88,726 | -15.4% | 20,634 | +8.0% | 0.00% | -50.0% |
| Q2 2023 | $104,897 | +5144.8% | 19,107 | +5312.7% | 0.00% | – |
| Q3 2021 | $2,000 | 0.0% | 353 | +67.3% | 0.00% | – |
| Q2 2021 | $2,000 | -87.5% | 211 | -95.8% | 0.00% | – |
| Q4 2018 | $16,000 | -68.0% | 4,986 | -48.0% | 0.00% | -100.0% |
| Q3 2018 | $50,000 | -2.0% | 9,592 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $51,000 | 0.0% | 9,592 | -5.3% | 0.00% | 0.0% |
| Q1 2018 | $51,000 | – | 10,126 | – | 0.00% | – |
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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% |