Herald Investment Management’s Power Integrations POWI Stock Holding History

Herald Investment Management’s Portfolio POWI Stock Details POWI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$8.96M	Buy	175,000 +25,000	+17%	+$1.15M	1.25%	22
2025 Q4	$5.33M	Buy	150,000 +112,000	+295%	+$4.25M	0.7%	41
2025 Q3	$1.53M	Hold	38,000	–	–	0.2%	89
2025 Q2	$2.12M	Hold	38,000	–	–	0.31%	73
2025 Q1	$1.92M	Hold	38,000	–	–	0.36%	69
2024 Q4	$2.34M	Hold	38,000	–	–	0.38%	65
2024 Q3	$2.43M	Hold	38,000	–	–	0.42%	59
2024 Q2	$2.67M	Hold	38,000	–	–	0.44%	56
2024 Q1	$2.72M	Hold	38,000	–	–	0.44%	55
2023 Q4	$3.12M	Hold	38,000	–	–	0.6%	43
2023 Q3	$2.9M	Hold	38,000	–	–	0.62%	45
2023 Q2	$3.59M	Hold	38,000	–	–	0.7%	39
2023 Q1	$3.21M	Hold	38,000	–	–	0.71%	43
2022 Q4	$2.72M	Hold	38,000	–	–	0.67%	45
2022 Q3	$2.44M	Hold	38,000	–	–	0.6%	50
2022 Q2	$2.85M	Hold	38,000	–	–	0.66%	48
2022 Q1	$3.52M	Hold	38,000	–	–	0.64%	46
2021 Q4	$3.53M	Hold	38,000	–	–	0.57%	49
2021 Q3	$3.76M	Hold	38,000	–	–	0.62%	50
2021 Q2	$3.12M	Hold	38,000	–	–	0.51%	60
2021 Q1	$3.1M	Hold	38,000	–	–	0.54%	61
2020 Q4	$3.11M	Sell	38,000 -38,000	-50%	-$2.58M	0.55%	50
2020 Q3	$4.21M	Hold	76,000	–	–	0.91%	32
2020 Q2	$4.49M	Hold	76,000	–	–	1.05%	26
2020 Q1	$3.35M	Hold	76,000	–	–	1.01%	29
2019 Q4	$3.76M	Hold	76,000	–	–	0.96%	32
2019 Q3	$3.43M	Hold	76,000	–	–	1.02%	29
2019 Q2	$3.05M	Buy	+76,000	New	+$2.78M	0.85%	33
2016 Q4	–	Sell	-70,000	Closed	-$2.21M	–	82
2016 Q3	$2.21M	Hold	70,000	–	–	0.82%	37
2016 Q2	$1.75M	Hold	70,000	–	–	0.73%	40
2016 Q1	$1.74M	Hold	70,000	–	–	0.74%	43
2015 Q4	$1.7M	Hold	70,000	–	–	0.71%	44
2015 Q3	$1.48M	Buy	+70,000	New	+$1.4M	0.65%	47
2015 Q1	$1.85M	Hold	70,000	–	–	0.67%	45
2014 Q4	$1.81M	Hold	70,000	–	–	0.7%	40
2014 Q3	$1.76M	Hold	70,000	–	–	0.7%	42
2014 Q2	$2.01M	Hold	70,000	–	–	0.8%	40
2014 Q1	$2.25M	Hold	70,000	–	–	0.89%	37
2013 Q4	$1.95M	Hold	70,000	–	–	0.78%	41
2013 Q3	$1.75M	Hold	70,000	–	–	0.76%	38
2013 Q2	$1.42M	Buy	+70,000	New	+$1.46M	0.66%	42

Other funds holding POWI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

SCM

Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

DGI

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Herald Investment Management's POWI Position: Q1 2026 in Review

Herald Investment Management increased its Power Integrations (POWI) stake by 17% in Q1 2026, buying an estimated $1.15M and bringing the position to 175,000 shares worth $8.96M. The position accounts for 1.25% of the portfolio, ranked #22.

Herald Investment Management first reported a position in POWI in Q2 2013 and has held it in 41 quarters since. 308 funds tracked by Wall St. Rank hold POWI as of Q1 2026.

Herald Investment Management held 175,000 shares of Power Integrations worth $8.96M as of Q1 2026.
Herald Investment Management bought 25,000 Power Integrations shares in Q1 2026, an estimated $1.15M.
Power Integrations made up 1.25% of Herald Investment Management's portfolio in Q1 2026, its #22 holding.
Herald Investment Management first reported a position in Power Integrations in Q2 2013 and has held it in 41 quarters since.
308 funds tracked by Wall St. Rank held Power Integrations as of Q1 2026.

Based on Herald Investment Management's 13F filing for Q1 2026, filed 13 May 2026.