PSYCHEMEDICS CORP's ticker is PMD and the CUSIP is 744375205. A total of 53 filers reported holding PSYCHEMEDICS CORP in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $18,000 | -14.3% | 2,500 | 0.0% | 0.00% | -50.0% |
| Q3 2021 | $21,000 | +23.5% | 2,500 | 0.0% | 0.00% | +100.0% |
| Q2 2021 | $17,000 | +6.2% | 2,500 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $16,000 | +6.7% | 2,500 | -13.8% | 0.00% | 0.0% |
| Q4 2020 | $15,000 | +15.4% | 2,900 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $13,000 | -27.8% | 2,900 | 0.0% | 0.00% | -50.0% |
| Q1 2020 | $18,000 | -50.0% | 2,900 | -25.6% | 0.00% | -50.0% |
| Q4 2019 | $36,000 | +800.0% | 3,900 | +875.0% | 0.00% | – |
| Q3 2019 | $4,000 | -20.0% | 400 | -20.0% | 0.00% | -100.0% |
| Q2 2019 | $5,000 | -37.5% | 500 | 0.0% | 0.00% | -50.0% |
| Q4 2018 | $8,000 | -99.9% | 500 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $12,000,000 | +119900.0% | 500 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $10,000 | -44.4% | 500 | -61.5% | 0.00% | -50.0% |
| Q3 2014 | $18,000 | – | 1,300 | – | 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% |