BLAIR WILLIAM & CO/IL - PSYCHEMEDICS CORP ownership

PSYCHEMEDICS CORP's ticker is PMD and the CUSIP is 744375205. A total of 43 filers reported holding PSYCHEMEDICS CORP in Q4 2019. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
BLAIR WILLIAM & CO/IL ownership history of PSYCHEMEDICS CORP
ValueSharesWeighting
Q3 2021$113,000
+16.5%
13,500
-3.6%
0.00%
Q2 2021$97,000
+1.0%
14,000
-9.7%
0.00%
Q1 2021$96,000
-23.2%
15,500
-36.7%
0.00%
Q4 2020$125,000
+0.8%
24,500
-13.0%
0.00%
-100.0%
Q3 2020$124,000
-46.3%
28,150
-32.4%
0.00%0.0%
Q2 2020$231,000
-36.5%
41,650
-30.8%
0.00%
-50.0%
Q1 2020$364,000
-44.1%
60,150
-15.5%
0.00%
-33.3%
Q4 2019$651,000
-1.7%
71,200
-2.1%
0.00%
-25.0%
Q3 2019$662,000
-43.2%
72,700
-11.5%
0.00%
-42.9%
Q2 2019$1,165,000
-12.3%
82,132
-12.3%
0.01%
-12.5%
Q1 2019$1,329,000
-21.2%
93,633
-11.9%
0.01%
-33.3%
Q4 2018$1,686,000
-16.0%
106,233
-0.5%
0.01%0.0%
Q3 2018$2,008,000
-5.0%
106,733
-2.9%
0.01%
-14.3%
Q2 2018$2,114,000
-14.6%
109,883
-5.2%
0.01%
-22.2%
Q1 2018$2,475,000
+3.4%
115,883
-0.4%
0.02%
+12.5%
Q4 2017$2,393,000
+1.9%
116,390
-8.7%
0.02%
-11.1%
Q3 2017$2,349,000
-26.1%
127,4620.0%0.02%
-25.0%
Q2 2017$3,180,000
+24.8%
127,462
+6.2%
0.02%
+14.3%
Q1 2017$2,549,000119,9720.02%
Other shareholders
PSYCHEMEDICS CORP shareholders Q4 2019
NameSharesValueWeighting ↓
Tieton Capital Management, LLC 250,388$3,974,0004.46%
QUANTUM CAPITAL MANAGEMENT 63,246$1,004,0000.58%
Mill Road Capital Management LLC 14,896$236,0000.30%
Gs Investments, Inc. 15,800$250,746,0000.21%
RBF Capital, LLC 87,917$1,395,0000.18%
North Star Investment Management Corp. 85,282$1,353,0000.18%
CRAWFORD INVESTMENT COUNSEL INC 297,675$4,724,0000.16%
Uniplan Investment Counsel, Inc. 145,677$2,311,0000.16%
DEPRINCE RACE & ZOLLO INC 282,186$4,478,0000.13%
Moors & Cabot, Inc. 37,932$605,0000.10%
View complete list of PSYCHEMEDICS CORP shareholders