DRIEHAUS CAPITAL MANAGEMENT LLC - POWER INTEGRATIONS INC ownership

POWER INTEGRATIONS INC's ticker is POWI and the CUSIP is 739276103. A total of 279 filers reported holding POWER INTEGRATIONS INC in Q3 2020. The put-call ratio across all filers is 0.27 and the average weighting 0.1%.

Quarter-by-quarter ownership
DRIEHAUS CAPITAL MANAGEMENT LLC ownership history of POWER INTEGRATIONS INC
ValueSharesWeighting
Q2 2020$3,843,000
+38.3%
32,534
+3.4%
0.09%0.0%
Q1 2020$2,779,000
-48.5%
31,464
-42.3%
0.09%
-35.4%
Q4 2019$5,398,000
+16.1%
54,575
+6.2%
0.14%
-4.6%
Q3 2019$4,648,00051,3980.15%
Other shareholders
POWER INTEGRATIONS INC shareholders Q3 2020
NameSharesValueWeighting ↓
DISCIPLINED GROWTH INVESTORS INC /MN 1,773,711$164,760,0003.32%
Triodos Investment Management BV 175,000$16,256,0002.12%
SNYDER CAPITAL MANAGEMENT L P 858,647$79,760,0001.93%
Connacht Asset Management LP 17,634$1,638,0001.60%
MOODY ALDRICH PARTNERS LLC 116,778$10,848,0001.51%
Copeland Capital Management, LLC 574,960$53,408,0001.39%
Pier Capital, LLC 104,835$9,738,0001.03%
Robeco Schweiz AG 788,000$73,197,0000.95%
Stephens Investment Management Group LLC 650,155$60,393,0000.78%
Penbrook Management LLC 13,500$1,254,0000.76%
View complete list of POWER INTEGRATIONS INC shareholders