SIMPLEX TRADING, LLC - POWER INTEGRATIONS INC ownership

POWER INTEGRATIONS INC's ticker is POWI and the CUSIP is 739276103. A total of 221 filers reported holding POWER INTEGRATIONS INC in Q2 2018. The put-call ratio across all filers is 1.16 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of POWER INTEGRATIONS INC
ValueSharesWeighting
Q3 2023$28
-100.0%
379
-89.1%
0.00%
Q3 2021$287,000
+4683.3%
3,484
+4047.6%
0.00%
Q2 2021$6,000
-97.6%
84
-97.2%
0.00%
Q4 2020$249,000
+1085.7%
3,051
+702.9%
0.00%
Q3 2020$21,000
-76.1%
380
-49.4%
0.00%
Q2 2020$88,000
+109.5%
751
+73.4%
0.00%
Q4 2019$42,000
-84.4%
433
-88.3%
0.00%
-100.0%
Q2 2018$269,000
+3742.9%
3,687
+3550.5%
0.00%
Q4 2017$7,000
-91.7%
101
-94.0%
0.00%
-100.0%
Q2 2016$84,0000.0%1,679
-1.6%
0.01%
-14.3%
Q1 2016$84,000
-11.6%
1,707
-24.6%
0.01%0.0%
Q3 2015$95,000
+850.0%
2,264
+859.3%
0.01%
+600.0%
Q2 2015$10,000
-82.1%
236
-78.1%
0.00%
-85.7%
Q1 2015$56,0001,0760.01%
Other shareholders
POWER INTEGRATIONS INC shareholders Q2 2018
NameSharesValueWeighting ↓
DISCIPLINED GROWTH INVESTORS INC /MN 2,401,305$172,221,5954.41%
Triodos Investment Management BV 275,000$19,7232.60%
SNYDER CAPITAL MANAGEMENT L P 996,459$71,466,0391.61%
Robeco Schweiz AG 1,194,220$85,649,4581.56%
Copeland Capital Management, LLC 692,877$49,6931.31%
Tributary Capital Management, LLC 152,847$10,9621.09%
Montanaro Asset Management Ltd 85,325$6,119,5091.00%
Pier Capital, LLC 66,299$4,754,9640.78%
RIVERBRIDGE PARTNERS LLC 711,739$51,0460.77%
Stephens Investment Management Group LLC 575,400$41,400,0300.75%
View complete list of POWER INTEGRATIONS INC shareholders