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PMDI

Psychemedics Corp
$2.49 +0.00 (+0.00%) At close · Jul 2
Market Cap
$15.21M
Shares
6,109,502

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 1
Total Value: $441,654
Total Shares: 276,034

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 1 13F filers · Δ vs Sep 30, 2025
Top Holder
100.0%
Dec 2024 → Dec 2025 · range 93.2% – 100.0%
0.0 pts
Top 5
100.0%
Dec 2024 → Dec 2025 · range 100.0% – 100.0%
0.0 pts
Top 10
100.0%
Dec 2024 → Dec 2025 · range 100.0% – 100.0%
0.0 pts
HHI
10,000
Dec 2024 → Dec 2025 · range 8,726 – 10,000
Highly concentrated0

Quarterly Activity

vs Sep 30, 2025
New
0
Increased
0
Decreased
0
Sold Out
0
Unchanged
1
Holder count: 0
Institutional value: -24.2%
Shares held: 0.0%
Showing 1 of 1
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 806517 CUSIP 744375304 Visit website