PSYCHEMEDICS CORP's ticker is PMD and the CUSIP is 744375205. A total of 32 filers reported holding PSYCHEMEDICS CORP in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q2 2021 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q1 2021 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q4 2020 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q3 2020 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q2 2020 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q1 2020 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q4 2019 | $0 | – | 51 | 0.0% | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 51 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | 0.0% | 51 | 0.0% | 0.00% | – |
| Q1 2019 | $1,000 | 0.0% | 51 | 0.0% | 0.00% | – |
| Q4 2018 | $1,000 | 0.0% | 51 | 0.0% | 0.00% | – |
| Q3 2018 | $1,000 | 0.0% | 51 | 0.0% | 0.00% | – |
| Q2 2018 | $1,000 | 0.0% | 51 | 0.0% | 0.00% | – |
| Q1 2018 | $1,000 | – | 51 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| 22NW, LP | 274,418 | $1,089,439 | 0.78% |
| WEALTH EFFECTS LLC | 40,701 | $161,582 | 0.08% |
| Cannell Capital | 74,794 | $296,932 | 0.07% |
| SANTA MONICA PARTNERS LP | 20,000 | $79 | 0.06% |
| RBF Capital, LLC | 144,231 | $572,597 | 0.04% |
| WEDBUSH SECURITIES INC | 42,414 | $168 | 0.01% |
| Ancora Advisors LLC | 78,373 | $311,141 | 0.01% |
| Your Advocates Ltd., LLP | 1,400 | $5,558 | 0.00% |
| CRAWFORD INVESTMENT COUNSEL INC | 32,098 | $127,428 | 0.00% |
| Renaissance Technologies | 273,663 | $1,086 | 0.00% |