PSYCHEMEDICS CORP's ticker is PMD and the CUSIP is 744375205. A total of 21 filers reported holding PSYCHEMEDICS CORP in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $79 | -13.2% | 20,000 | 0.0% | 0.06% | -17.6% |
| Q2 2023 | $91 | -13.3% | 20,000 | 0.0% | 0.07% | -12.9% |
| Q1 2023 | $105 | +7.1% | 20,000 | 0.0% | 0.08% | +19.7% |
| Q4 2022 | $98 | -99.9% | 20,000 | 0.0% | 0.07% | -26.8% |
| Q3 2022 | $129,000 | +1.6% | 20,000 | 0.0% | 0.10% | +2.1% |
| Q2 2022 | $127,000 | -8.0% | 20,000 | 0.0% | 0.10% | -2.1% |
| Q1 2022 | $138,000 | -1.4% | 20,000 | 0.0% | 0.10% | +9.0% |
| Q4 2021 | $140,000 | -16.7% | 20,000 | 0.0% | 0.09% | -18.3% |
| Q3 2021 | $168,000 | +20.9% | 20,000 | 0.0% | 0.11% | +25.3% |
| Q2 2021 | $139,000 | +12.1% | 20,000 | 0.0% | 0.09% | +8.8% |
| Q1 2021 | $124,000 | +21.6% | 20,000 | 0.0% | 0.08% | +6.7% |
| Q4 2020 | $102,000 | – | 20,000 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| WEALTH EFFECTS LLC | 40,001 | $276,000 | 0.13% |
| SANTA MONICA PARTNERS LP | 20,000 | $138,000 | 0.10% |
| Cannell Capital | 78,306 | $540,000 | 0.08% |
| Invenomic Capital Management LP | 135,631 | $769,000 | 0.08% |
| RBF Capital, LLC | 144,231 | $996,000 | 0.06% |
| CRAWFORD INVESTMENT COUNSEL INC | 266,502 | $1,839,000 | 0.04% |
| Ancora Advisors LLC | 80,728 | $557,000 | 0.01% |
| HighMark Wealth Management LLC | 2,039 | $14,000 | 0.01% |
| Renaissance Technologies | 341,422 | $2,356,000 | 0.00% |
| NORTHERN TRUST CORP | 18,756 | $129,000 | 0.00% |