HARVARD BIOSCIENCE INC's ticker is and the CUSIP is 416906905. A total of 3 filers reported holding HARVARD BIOSCIENCE INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,290 | -80.4% | 300 | -75.0% | 0.00% | – |
| Q2 2023 | $6,588 | +558.8% | 1,200 | +1100.0% | 0.00% | – |
| Q1 2022 | $1,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q4 2021 | $1,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q3 2021 | $1,000 | -85.7% | 100 | -91.7% | 0.00% | – |
| Q1 2015 | $7,000 | -90.1% | 1,200 | -90.5% | 0.00% | -100.0% |
| Q4 2014 | $71,000 | +47.9% | 12,600 | +7.7% | 0.00% | 0.0% |
| Q3 2014 | $48,000 | -9.4% | 11,700 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $53,000 | +178.9% | 11,700 | +192.5% | 0.00% | – |
| Q1 2014 | $19,000 | +280.0% | 4,000 | +300.0% | 0.00% | – |
| Q4 2013 | $5,000 | -54.5% | 1,000 | -52.4% | 0.00% | – |
| Q3 2013 | $11,000 | +57.1% | 2,100 | +40.0% | 0.00% | – |
| Q2 2013 | $7,000 | – | 1,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 100 | $1,000 | 0.00% |
| SIMPLEX TRADING, LLC | 4,300 | $35,000 | 0.00% |