Psychemedics Corp. | Ownership
Companies that own Psychemedics Corp.
Renaissance Technologies LLC
449,700
8.17%
-100
0.01%
06/30/2018
Moors & Cabot, Inc. (Investment Management)
378,257
6.87%
978
0.94%
06/30/2018
Tieton Capital Management LLC
281,742
5.12%
520
4.15%
06/30/2018
Crawford Investment Counsel, Inc.
245,541
4.46%
15,956
0.14%
06/30/2018
The Vanguard Group, Inc.
220,453
4%
0
0%
06/30/2018
Uniplan Investment Counsel, Inc.
167,932
3.05%
-25,132
0.16%
06/30/2018
Dimensional Fund Advisors LP
130,555
2.37%
603
0%
06/30/2018
William Blair Investment Management LLC
109,883
2%
-6,000
0%
06/30/2018
RBF Capital LLC
78,495
1.43%
0
0.17%
06/30/2018
North Star Investment Management Corp.
76,623
1.39%
-4,571
0.16%
06/30/2018
| Address |
289 Great Road
Acton Massachusetts 01720
United States
|
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Employees
|
- |
| Website |
http://www.psychemedics.com |
| Updated |
07/08/2019 |
| Psychemedics Corp. engages in the provision of drug testing services through the analysis of hair samples. Its testing methods utilize a technology that digests the hair and releases drugs trapped in the hair without destroying the drugs. The company performs custom-designed enzyme immunoassay on the liquid supernatant, with confirmation testing by mass spectrometry. |
