Tower Research Capital LLC (TRC) - PSYCHEMEDICS CORP ownership

PSYCHEMEDICS CORP's ticker is PMD and the CUSIP is 744375205. A total of 46 filers reported holding PSYCHEMEDICS CORP in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Tower Research Capital LLC (TRC) ownership history of PSYCHEMEDICS CORP
ValueSharesWeighting
Q3 2023$6,896
+72.6%
1,737
+98.3%
0.00%
Q2 2023$3,995
+133066.7%
876
+95.5%
0.00%
Q1 2023$3
+50.0%
448
+27.3%
0.00%
Q4 2022$2352
+618.4%
0.00%
Q3 2022$0
-100.0%
49
-95.9%
0.00%
Q2 2022$7,000
-36.4%
1,185
-24.5%
0.00%
Q1 2022$11,000
+175.0%
1,570
+166.6%
0.00%
Q4 2021$4,000
+33.3%
589
+51.0%
0.00%
Q2 2021$3,000
-25.0%
390
-40.7%
0.00%
Q1 2021$4,000
-20.0%
658
-40.8%
0.00%
Q4 2020$5,000
-16.7%
1,112
-12.4%
0.00%
Q3 2020$6,0001,270
+1487.5%
0.00%
Q2 2020$0
-100.0%
80
-67.7%
0.00%
Q1 2020$2,000
-50.0%
248
-41.2%
0.00%
Q4 2019$4,000
+100.0%
422
+54.6%
0.00%
Q3 2019$2,000
-87.5%
273
-82.3%
0.00%
-100.0%
Q2 2019$16,000
+433.3%
1,543
+529.8%
0.00%
Q1 2019$3,000
-40.0%
245
-15.2%
0.00%
Q4 2018$5,000
-44.4%
289
-37.8%
0.00%
-100.0%
Q3 2018$9,000
-90.1%
465
-90.2%
0.00%
-80.0%
Q2 2018$91,000
+468.8%
4,744
+548.1%
0.01%
+400.0%
Q1 2018$16,000
-79.5%
732
-82.7%
0.00%
-83.3%
Q3 2017$78,000
+69.6%
4,238
+84.3%
0.01%
+20.0%
Q3 2016$46,000
+318.2%
2,299
+190.3%
0.01%
+400.0%
Q2 2016$11,000
+83.3%
792
+67.8%
0.00%0.0%
Q1 2016$6,000
+500.0%
472
+574.3%
0.00%
Q4 2015$1,0000.0%70
-24.7%
0.00%
Q3 2015$1,000
-93.3%
93
-90.6%
0.00%
-100.0%
Q2 2015$15,000
+200.0%
988
+200.3%
0.00%
Q4 2014$5,000
+25.0%
329
+9.7%
0.00%
-100.0%
Q2 2014$4,000
-73.3%
300
-65.9%
0.00%
-50.0%
Q1 2014$15,000
-28.6%
879
-37.2%
0.00%
-50.0%
Q4 2013$21,000
+5.0%
1,400
-6.0%
0.00%
+100.0%
Q3 2013$20,000
+122.2%
1,490
+77.8%
0.00%
+100.0%
Q2 2013$9,0008380.00%
Other shareholders
PSYCHEMEDICS CORP shareholders Q4 2017
NameSharesValueWeighting ↓
Tieton Capital Management, LLC 285,903$5,878,0005.05%
Moors & Cabot, Inc. 373,296$7,670,0001.02%
Gs Investments, Inc. 15,500$318,680,0000.24%
QUANTUM CAPITAL MANAGEMENT 47,205$971,0000.23%
North Star Investment Management Corp. 81,150$1,668,0000.20%
RBF Capital, LLC 78,495$1,614,0000.18%
Uniplan Investment Counsel, Inc. 196,882$4,047,0000.16%
CRAWFORD INVESTMENT COUNSEL INC 230,685$4,743,0000.15%
Granite Investment Partners, LLC 67,501$1,388,0000.09%
Municipal Employees' Retirement System of Michigan 58,900$1,211,0000.06%
View complete list of PSYCHEMEDICS CORP shareholders