William Blair Investment Management, LLC Power Integrations Inc Transaction History

William Blair Investment Management, LLC

  • $38.3 Billion
  • Q4 2024

A detailed history of William Blair Investment Management, LLC transactions in Power Integrations Inc stock. As of the latest transaction made, William Blair Investment Management, LLC holds 10,188 shares of POWI stock, worth $589,477. This represents 0.0% of its overall portfolio holdings.

Number of Shares
10,188
Previous 10,268 0.78%
Holding current value
$589,477
Previous $658,000 4.56%
% of portfolio
0.0%
Previous 0.0%

Shares

16 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q4 2024

Feb 10, 2025
SELL
$60.04 - $68.05 $4,803 - $5,444
-80 Reduced 0.78%
10,188 $628,000
Q3 2024

Nov 08, 2024
BUY
$57.86 - $78.46 $120,233 - $163,039
2,078 Added 25.37%
10,268 $658,000
Q2 2024

Aug 08, 2024
SELL
$62.89 - $78.21 $18.1 Million - $22.5 Million
-287,791 Reduced 97.23%
8,190 $574,000
Q1 2024

May 08, 2024
BUY
$68.91 - $82.37 $675,042 - $806,896
9,796 Added 3.42%
295,981 $21.2 Million
Q4 2023

Feb 09, 2024
BUY
$67.91 - $86.89 $2.42 Million - $3.1 Million
35,708 Added 14.26%
286,185 $23.5 Million
Q3 2023

Nov 09, 2023
BUY
$75.22 - $98.89 $3.76 Million - $4.94 Million
50,003 Added 24.94%
250,477 $19.1 Million
Q2 2023

Aug 10, 2023
SELL
$72.78 - $94.67 $953,636 - $1.24 Million
-13,103 Reduced 6.14%
200,474 $19 Million
Q1 2023

May 12, 2023
BUY
$71.52 - $90.68 $4.32 Million - $5.48 Million
60,402 Added 39.43%
213,577 $18.1 Million
Q4 2022

Feb 09, 2023
BUY
$62.09 - $80.93 $211,043 - $275,081
3,399 Added 2.27%
153,175 $11 Million
Q3 2022

Nov 09, 2022
SELL
$64.32 - $85.17 $17.1 Million - $22.7 Million
-265,971 Reduced 63.97%
149,776 $9.63 Million
Q2 2022

Aug 10, 2022
SELL
$72.31 - $91.92 $3.27 Million - $4.15 Million
-45,174 Reduced 9.8%
415,747 $31.2 Million
Q1 2022

May 11, 2022
BUY
$75.37 - $98.1 $6.01 Million - $7.82 Million
79,718 Added 20.91%
460,921 $42.7 Million
Q4 2021

Feb 14, 2022
BUY
$85.98 - $108.9 $18.1 Million - $23 Million
210,984 Added 123.95%
381,203 $35.4 Million
Q3 2021

Nov 10, 2021
BUY
$78.23 - $110.16 $13.3 Million - $18.8 Million
170,219 New
170,219 $16.9 Million
Q3 2018

Nov 13, 2018
SELL
$31.02 - $38.95 $108,880 - $136,714
-3,510 Closed
0 $0
Q2 2018

Aug 14, 2018
BUY
$32.95 - $39.85 $115,654 - $139,873
3,510 New
3,510 $256,000

Others Institutions Holding POWI

# of Institutions
360
Shares Held
57.5M
Call Options Held
97K
Put Options Held
135K
View Full List

About POWER INTEGRATIONS INC

POWI Quotes by TradingView
  • Ticker POWI
  • Exchange NASDAQ
  • Sector Technology
  • Industry Semiconductors
  • Shares Outstandng 57,180,800
  • Market Cap $3.31B
  • Description
  • Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits (ICs), and other electronic components and circuitry used in high-voltage power conversion worldwide. The company provides a range of alternating current to direct current power conversion products that address power supply ranging f...
More about POWI
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