PMD PSYCHEMEDICS CORP

Ownership history in 22NW, LP  ·  10 quarters on record

This page tracks every 13F SEC filing in which 22NW, LP reported a position in PSYCHEMEDICS CORP (PMD). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.78% (2023 Q3)
Avg. % of fund
0.42%
First filed
2020 Q1
Last filed
2025 Q1
Quarters held
10
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q1 UNCHANGED 276,034 0% 0.43% $643K
2024 Q3 ADDED 276,034 +1,616 +0.6% 0.53% $638K
2024 Q2 UNCHANGED 274,418 0% 0.57% $664K
2024 Q1 UNCHANGED 274,418 0% 0.69% $804K
2023 Q4 UNCHANGED 274,418 0% 0.53% $812K
2023 Q3 ADDED 274,418 +198,884 +263.3% 0.78% $1.1M
2020 Q4 REDUCED 75,534 -100 -0.1% 0.14% $384K
2020 Q3 REDUCED 75,634 -6,102 -7.5% 0.17% $334K
2020 Q2 ADDED 81,736 +54,336 +198.3% 0.25% $454K
2020 Q1 INITIATED 27,400 0.13% $166K
% of Fund (quarterly)    PMD price (monthly, adj. close)
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