Renaissance Technologies - PSYCHEMEDICS CORP ownership

PSYCHEMEDICS CORP's ticker is PMD and the CUSIP is 744375205. A total of 53 filers reported holding PSYCHEMEDICS CORP in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of PSYCHEMEDICS CORP
ValueSharesWeighting
Q3 2023$1,086
-14.4%
273,663
-1.5%
0.00%0.0%
Q2 2023$1,268
-14.2%
277,963
-1.2%
0.00%0.0%
Q1 2023$1,477
+3.6%
281,263
-3.2%
0.00%0.0%
Q4 2022$1,425
-99.9%
290,463
-5.1%
0.00%
-33.3%
Q3 2022$1,975,000
-4.5%
306,163
-6.1%
0.00%
+50.0%
Q2 2022$2,068,000
-12.2%
326,167
-4.5%
0.00%
-33.3%
Q1 2022$2,356,000
-9.8%
341,422
-8.3%
0.00%0.0%
Q4 2021$2,612,000
-16.7%
372,146
-0.3%
0.00%
-25.0%
Q3 2021$3,137,000
+17.3%
373,440
-2.8%
0.00%
+33.3%
Q2 2021$2,675,000
+4.3%
384,340
-7.1%
0.00%0.0%
Q1 2021$2,565,000
+10.8%
413,660
-9.0%
0.00%0.0%
Q4 2020$2,314,000
+15.4%
454,640
-0.0%
0.00%
+50.0%
Q3 2020$2,005,000
-22.9%
454,740
-2.9%
0.00%0.0%
Q2 2020$2,600,000
-3.1%
468,454
+5.6%
0.00%
-33.3%
Q1 2020$2,684,000
-38.3%
443,638
-6.6%
0.00%0.0%
Q4 2019$4,348,000
+5.4%
475,177
+4.9%
0.00%0.0%
Q3 2019$4,126,000
-3.1%
452,866
+7.4%
0.00%
-25.0%
Q2 2019$4,256,000
-27.6%
421,771
+0.6%
0.00%
-20.0%
Q1 2019$5,880,000
-15.6%
419,137
-4.5%
0.01%
-37.5%
Q4 2018$6,967,000
-20.9%
439,000
-6.2%
0.01%
-11.1%
Q3 2018$8,804,000
-51.8%
468,066
-48.0%
0.01%
-10.0%
Q2 2018$18,260,000
+90.0%
899,500
+100.0%
0.01%
-9.1%
Q1 2018$9,608,000
+0.6%
449,800
-3.1%
0.01%0.0%
Q4 2017$9,549,000
+5.5%
464,429
-5.4%
0.01%0.0%
Q3 2017$9,049,000
-20.6%
491,000
+7.6%
0.01%
-26.7%
Q2 2017$11,390,000
+21.5%
456,500
-2.3%
0.02%
+15.4%
Q1 2017$9,371,000
-24.1%
467,400
-6.5%
0.01%
-35.0%
Q4 2016$12,340,000
+43.2%
499,990
+15.0%
0.02%
+33.3%
Q3 2016$8,616,000
+54.0%
434,700
+6.8%
0.02%
+36.4%
Q2 2016$5,594,000
-0.9%
407,100
-0.8%
0.01%0.0%
Q1 2016$5,643,000
+27.7%
410,400
-5.8%
0.01%
+10.0%
Q4 2015$4,420,000
-0.5%
435,900
-1.4%
0.01%
-9.1%
Q3 2015$4,443,000
-30.4%
442,069
+2.6%
0.01%
-26.7%
Q2 2015$6,387,000
-10.5%
430,700
+0.1%
0.02%0.0%
Q1 2015$7,139,000
+8.3%
430,300
-1.1%
0.02%
-6.2%
Q4 2014$6,589,000
+6.9%
434,900
-0.1%
0.02%
-5.9%
Q3 2014$6,162,000
-1.0%
435,200
-1.0%
0.02%
+13.3%
Q2 2014$6,225,000
-13.9%
439,600
+4.1%
0.02%
-11.8%
Q1 2014$7,231,000
+22.1%
422,100
+4.7%
0.02%
+21.4%
Q4 2013$5,923,000
+19.5%
403,200
+7.8%
0.01%
+16.7%
Q3 2013$4,956,000
+34.3%
374,000
+8.9%
0.01%
+20.0%
Q2 2013$3,689,000343,5000.01%
Other shareholders
PSYCHEMEDICS CORP shareholders Q4 2016
NameSharesValueWeighting ↓
Tieton Capital Management, LLC 304,793$7,522,0005.87%
KELLEHER FINANCIAL ADVISORS 131,257$3,239,0001.80%
Moors & Cabot, Inc. 361,893$8,928,0001.47%
CARL DOMINO INC 15,348$379,0000.40%
Uniplan Investment Counsel, Inc. 248,730$6,138,0000.28%
RBF Capital, LLC 78,495$1,937,0000.28%
North Star Investment Management Corp. 71,979$1,776,0000.27%
Granite Investment Partners, LLC 113,924$2,812,0000.21%
OBERWEIS ASSET MANAGEMENT INC/ 25,000$617,0000.18%
EAM Investors, LLC 55,971$1,381,0000.18%
View complete list of PSYCHEMEDICS CORP shareholders