PsychemedicsPMDI
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 21 institutions reported holding Psychemedics Corp. (PMDI) in their 13F filings, down 5 from Q2 2024. 0 opened new positions and 5 sold out. The largest holders were 22NW, LP ($638K), Renaissance Technologies ($626K) and Vanguard Group Inc. ($580K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Psychemedics Corp.
- CUSIP
- 744375205
- Latest filing quarter
- Q1 2025
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 5 | $31K |
All 13F filers, Q2 2024 → Q3 2024: 69,399 shares bought and 19,098 shares sold, net +50,301 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 21 holders
| 22NW, LP | 0.53% | Add +0.6% | 276,034 | $638K |
| Renaissance Technologies | 0.00% | Add +5.4% | 270,863 | $626K |
| Vanguard Group Inc. | 0.00% | No change | 251,283 | $580K |
| RBF Capital, LLC | 0.02% | No change | 142,142 | $328K |
| BlackRock, Inc. | 0.00% | — | 66,408 | $153K |
| Wedbush Securities Inc. | 0.00% | Reduce -4.9% | 47,868 | $111K |
| Susquehanna International Group, LLP | 0.00% | Add +310.8% | 47,391 | $109K |
| Geode Capital Management, LLC | 0.00% | Add +14.7% | 42,679 | $99K |
| Citadel Advisors | 0.00% | Add +70.2% | 21,509 | $50K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.2% | 21,060 | $49K |
| Santa Monica Partners LP | 0.03% | No change | 20,000 | $46K |
| Northern Trust Corp. | 0.00% | Add +24.1% | 18,910 | $44K |
| Morgan Stanley | 0.00% | No change | 3,001 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -44.6% | 1,977 | $5K |
| Provenance Wealth Advisors, LLC | 0.00% | No change | 772 | $2K |
| Osaic Holdings, Inc. | 0.00% | No change | 257 | $593 |
| Caldwell Sutter Capital, Inc. | 0.00% | No change | 250 | $578 |
| FMR LLC | 0.00% | Reduce -86.5% | 100 | $231 |
| Bank of America Corp. | 0.00% | Add +30.8% | 51 | $118 |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.3% | 11 | $25 |
| Wells Fargo & Company | 0.00% | No change | 1 | $2 |
"% of holder's portfolio" is PMDI's weight in each manager's 13F, not the share of Psychemedics Corp. the manager owns.