PsychemedicsPMDI
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 26 institutions reported holding Psychemedics Corp. (PMDI) in their 13F filings, up 4 from Q1 2024. 5 opened new positions and 1 sold out. The largest holders were 22NW, LP ($664K), Renaissance Technologies ($622K) and Vanguard Group Inc. ($608K). 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 Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $30K |
| Exits | 1 | $4K |
All 13F filers, Q1 2024 → Q2 2024: 13,463 shares bought and 35,730 shares sold, net −22,267 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 26 holders
| 22NW, LP | 0.57% | No change | 274,418 | $664K |
| Renaissance Technologies | 0.00% | Reduce -1.1% | 256,963 | $622K |
| Vanguard Group Inc. | 0.00% | No change | 251,283 | $608K |
| RBF Capital, LLC | 0.02% | No change | 142,142 | $344K |
| BlackRock Inc. | 0.00% | Reduce -7.5% | 71,019 | $172K |
| Wedbush Securities Inc. | 0.00% | Reduce -0.2% | 50,341 | $122K |
| Geode Capital Management, LLC | 0.00% | No change | 37,205 | $90K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -37.2% | 22,688 | $55K |
| Santa Monica Partners LP | 0.03% | No change | 20,000 | $48K |
| Northern Trust Corp. | 0.00% | Reduce -0.5% | 15,236 | $37K |
| Citadel Advisors | 0.00% | Reduce -29.6% | 12,640 | $31K |
| Susquehanna International Group, LLP | 0.00% | New | 11,537 | $28K |
| Crawford Investment Counsel Inc. | 0.00% | Reduce -37.9% | 10,018 | $24K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +17.1% | 3,567 | $9K |
| Morgan Stanley | 0.00% | Reduce -14.3% | 3,001 | $7K |
| Your Advocates Ltd., LLP | 0.00% | No change | 2,450 | $6K |
| Provenance Wealth Advisors, LLC | 0.00% | No change | 772 | $2K |
| FMR LLC | 0.00% | Add +640.0% | 740 | $2K |
| Capital Advisors, Ltd. LLC | 0.00% | New | 233 | $1K |
| Osaic Holdings, Inc. | 0.00% | New | 257 | $621 |
| Caldwell Sutter Capital, Inc. | 0.00% | Add +733.3% | 250 | $605 |
| Bank of America Corp. | 0.00% | New | 39 | $94 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 15 | $36 |
| JPMorgan Chase & Co. | 0.00% | No change | 12 | $29 |
| Wells Fargo & Company | 0.00% | Reduce -97.4% | 1 | $2 |
| Royal Bank of Canada | 0.00% | Reduce -19.4% | 50 | $0 |
"% of holder's portfolio" is PMDI's weight in each manager's 13F, not the share of Psychemedics Corp. the manager owns.