PROPHASE LABS INC's ticker is PRPH and the CUSIP is 74345W108. A total of 27 filers reported holding PROPHASE LABS INC in Q4 2021. The put-call ratio across all filers is 1.11 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $43,630 | +4.9% | 9,984 | +74.3% | 0.00% | 0.0% |
| Q2 2023 | $41,585 | +72856.1% | 5,728 | -3.3% | 0.00% | -50.0% |
| Q4 2022 | $57 | -99.3% | 5,925 | +419.7% | 0.00% | – |
| Q1 2022 | $8,000 | +166.7% | 1,140 | +208.1% | 0.00% | – |
| Q4 2021 | $3,000 | -66.7% | 370 | -74.8% | 0.00% | – |
| Q2 2021 | $9,000 | -47.1% | 1,471 | -38.1% | 0.00% | – |
| Q1 2021 | $17,000 | -39.3% | 2,378 | -19.9% | 0.00% | -100.0% |
| Q4 2020 | $28,000 | – | 2,969 | +4141.4% | 0.00% | – |
| Q1 2020 | $0 | – | 70 | -39.7% | 0.00% | – |
| Q4 2019 | $0 | -100.0% | 116 | -75.3% | 0.00% | – |
| Q2 2016 | $1,000 | – | 469 | +369.0% | 0.00% | – |
| Q1 2016 | $0 | -100.0% | 100 | -91.3% | 0.00% | – |
| Q4 2015 | $2,000 | -85.7% | 1,144 | -87.4% | 0.00% | -100.0% |
| Q3 2015 | $14,000 | +250.0% | 9,070 | +185.3% | 0.00% | – |
| Q2 2015 | $4,000 | +300.0% | 3,179 | +556.8% | 0.00% | – |
| Q1 2015 | $1,000 | – | 484 | +1141.0% | 0.00% | – |
| Q4 2014 | $0 | -100.0% | 39 | -93.3% | 0.00% | – |
| Q3 2014 | $1,000 | – | 580 | +144.7% | 0.00% | – |
| Q2 2014 | $0 | -100.0% | 237 | -60.2% | 0.00% | – |
| Q4 2013 | $1,000 | 0.0% | 596 | +112.1% | 0.00% | – |
| Q3 2013 | $1,000 | – | 281 | +183.8% | 0.00% | – |
| Q2 2013 | $0 | – | 99 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| PERRITT CAPITAL MANAGEMENT INC | 92,300 | $403,351 | 0.23% |
| CHAPIN DAVIS, INC. | 40,000 | $174,800 | 0.08% |
| Koss-Olinger Consulting, LLC | 42,081 | $184,000 | 0.03% |
| WINTON GROUP Ltd | 16,331 | $71,366 | 0.01% |
| SVB WEALTH LLC | 47,665 | $208,296 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 32,414 | $141,649 | 0.00% |
| Renaissance Technologies | 284,010 | $1,241 | 0.00% |
| Tower Research Capital LLC (TRC) | 9,984 | $43,630 | 0.00% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 19,822 | $86,622 | 0.00% |
| HighTower Advisors, LLC | 173,124 | $756,000 | 0.00% |