PSYCHEMEDICS CORPORATION CMN (PMDI)
Institutional ownership reported to the SEC as of Q4 2025, across 4 quarters.
1
Reporting holders
$441.7K
Reported value
0.0%
Held as options
+0
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| 22NW, LP | $441.7K | 276,034 | 0.19% | 3q | HELD |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q4 2025 | 1 | $441.7K | 276,034 | 0 | 0 | 0 | 0.0% |
| Q3 2025 | 1 | $582.4K | 276,034 | 0 | 0 | 0 | 0.0% |
| Q2 2025 | 1 | $618.3K | 276,034 | 1 | 0 | 0 | 0.0% |
| Q4 2024 | 2 | $663.7K | 296,284 | 2 | 0 | 0 | 0.0% |