WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - POWER INTEGRATIONS INC ownership

POWER INTEGRATIONS INC's ticker is POWI and the CUSIP is 739276103. A total of 325 filers reported holding POWER INTEGRATIONS INC in Q4 2022. The put-call ratio across all filers is 0.92 and the average weighting 0.1%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of POWER INTEGRATIONS INC
ValueSharesWeighting
Q3 2023$19,113,900
+0.7%
250,477
+24.9%
0.06%
+4.9%
Q2 2023$18,978,874
+5.0%
200,474
-6.1%
0.06%
-3.2%
Q1 2023$18,077,157
+64.6%
213,577
+39.4%
0.06%
+50.0%
Q4 2022$10,985,711
+14.0%
153,175
+2.3%
0.04%
+10.5%
Q3 2022$9,634,000
-69.1%
149,776
-64.0%
0.04%
-67.2%
Q2 2022$31,185,000
-27.0%
415,747
-9.8%
0.12%
-9.4%
Q1 2022$42,718,000
+20.6%
460,921
+20.9%
0.13%
+33.3%
Q4 2021$35,410,000
+110.1%
381,203
+123.9%
0.10%
+100.0%
Q3 2021$16,850,000
+6482.0%
170,219
+4749.5%
0.05%
+4700.0%
Q2 2018$256,0003,5100.00%
Other shareholders
POWER INTEGRATIONS INC shareholders Q4 2022
NameSharesValueWeighting ↓
Grandeur Peak Global Advisors, LLC 315,340$22,055,0002.50%
DISCIPLINED GROWTH INVESTORS INC /MN 1,757,709$122,934,0002.16%
Copeland Capital Management, LLC 416,415$29,124,0001.85%
SNYDER CAPITAL MANAGEMENT L P 453,955$31,750,0001.50%
Triodos Investment Management BV 90,000$6,295,0001.27%
Robeco Schweiz AG 432,000$30,214,0001.25%
Ceredex Value Advisors LLC 1,373,429$96,057,0001.18%
Impax Asset Management Group plc 1,089,166$76,176,0001.05%
Penbrook Management LLC 8,600$601,0000.62%
GW&K Investment Management, LLC 490,663$34,317,0000.55%
View complete list of POWER INTEGRATIONS INC shareholders