RIVERBRIDGE PARTNERS LLC

CIK

1112325

City

MINNEAPOLIS

State / Country

Stock

POWI — Power Integrations Inc

Top Portfolio Positions

163 positions · $3,970,045,832 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	1,156,543	$201,701,099	5.08%
MSFT	Microsoft Corp Technology	459,806	$170,206,387	4.29%
FIVE	Five Below, Inc Consumer Cyclical	572,301	$130,759,332	3.29%
RBA	Rb Global Inc. Industrials	1,275,384	$122,245,556	3.08%
LOPE	Grand Canyon Education, Inc. Consumer Defensive	716,586	$121,841,117	3.07%
AMZN	Amazon Com Inc Consumer Cyclical	562,039	$117,055,862	2.95%
ENSG	Ensign Group, Inc Healthcare	569,345	$114,723,017	2.89%
MEDP	Medpace Holdings, Inc. Healthcare	237,407	$114,000,467	2.87%
HEI	Heico Corp Industrials	406,226	$111,387,169	2.81%
ADI	Analog Devices Inc Technology	346,665	$110,288,003	2.78%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$17,206,681	336,068	-6.0%	Shares	Sole	2026-04-17
2025-12-31	$12,708,890	357,594	-5.2%	Shares	Sole	2026-01-13
2025-09-30	$15,163,673	377,112	-8.3%	Shares	Sole	2025-10-14
2025-06-30	$22,985,353	411,187	-13.0%	Shares	Sole	2025-07-15
2025-03-31	$23,876,097	472,794	-8.6%	Shares	Sole	2025-04-21
2024-12-31	$31,920,556	517,351	-8.1%	Shares	Sole	2025-01-17
2024-09-30	$36,077,310	562,653	-3.4%	Shares	Sole	2024-10-15
2024-06-30	$40,866,793	582,231	-7.6%	Shares	Sole	2024-07-17
2024-03-31	$45,098,179	630,303	-3.1%	Shares	Sole	2024-04-26
2023-12-31	$53,417,563	650,561	-1.3%	Shares	Sole	2024-02-15
2023-09-30	$50,278,598	658,873	-1.7%	Shares	Sole	2024-02-15
2023-06-30	$63,481,915	670,560	-2.0%	Shares	Sole	2023-07-25
2023-03-31	$57,902,901	684,108	-3.9%	Shares	Sole	2023-04-21
2022-12-31	$51,045,921	711,739	-1.3%	Shares	Sole	2023-01-11
2022-09-30	$46,395,945	721,330	-0.6%	Shares	Sole	2022-10-26
2022-06-30	$54,420,730	725,513	-3.0%	Shares	Sole	2022-08-29
2022-03-31	$69,352,536	748,301	+10.2%	Shares	Sole	2022-04-20
2021-12-31	$63,047,601	678,734	+3.9%	Shares	Sole	2022-01-14
2021-09-30	$64,687,985	653,480	-0.4%	Shares	Sole	2021-10-26
2021-06-30	$53,847,525	656,197	+4.9%	Shares	Sole	2021-07-26
2021-03-31	$50,975,843	625,624	-7.6%	Shares	Sole	2021-04-21
2020-12-31	$55,412,180	676,914	+11.8%	Shares	Sole	2021-01-22
2020-09-30	$33,552,677	605,644	+92.9%	Shares	Sole	2020-10-08
2020-06-30	$18,542,039	313,926	-2.9%	Shares	Sole	2020-07-08
2020-03-31	$14,279,516	323,322	—	Shares	Sole	2020-04-13
No 13F history on record for this holder in this stock.