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 | $2 | -33.3% | 500 | -28.6% | 0.00% | – |
| Q2 2023 | $3 | -99.7% | 700 | +133.3% | 0.00% | – |
| Q2 2022 | $1,000 | -96.8% | 300 | -94.0% | 0.00% | – |
| Q1 2022 | $31,000 | +55.0% | 5,000 | +72.4% | 0.00% | – |
| Q4 2021 | $20,000 | -42.9% | 2,900 | -32.6% | 0.00% | – |
| Q3 2021 | $35,000 | 0.0% | 4,300 | 0.0% | 0.00% | – |
| Q2 2021 | $35,000 | +250.0% | 4,300 | +21400.0% | 0.00% | – |
| Q1 2021 | $10,000 | +150.0% | 20 | +100.0% | 0.00% | – |
| Q4 2020 | $4,000 | -77.8% | 10 | -83.1% | 0.00% | – |
| Q3 2019 | $18,000 | +500.0% | 59 | +293.3% | 0.00% | – |
| Q2 2019 | $3,000 | +50.0% | 15 | +200.0% | 0.00% | – |
| Q1 2019 | $2,000 | +100.0% | 5 | -50.0% | 0.00% | – |
| Q3 2017 | $1,000 | – | 10 | +100.0% | 0.00% | – |
| Q2 2017 | $0 | -100.0% | 5 | +25.0% | 0.00% | – |
| Q4 2015 | $1,000 | – | 4 | – | 0.00% | – |
Download | ||||||
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% |