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RIVERBRIDGE PARTNERS LLC

Position in POWI — Power Integrations Inc

CIK 1112325 MINNEAPOLIS, MN

Position in POWI

as of Jun 30, 2026 · filed Jul 13, 2026
Position Value
$11,603,942
-$5,602,739 QoQ
Shares Held
138,538
-58.8% QoQ
Ownership
0.248%
of shares outstanding
% of Portfolio
0.34%
of 13F equity value
Holder Rank
#55
of 372 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 88% Shared 0% None 12%

Common Shares in POWI Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

RIVERBRIDGE PARTNERS LLC holds $340,633,882 across 6 Semiconductors names. POWI ranks #3 (3.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 POWI
Power Integrations Inc
This page
138,538 $11,603,942

All Filings in POWI

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $11,603,942 138,538
2026-03-31 $17,206,681 336,068
2025-12-31 $12,708,890 357,594
2025-09-30 $15,163,673 377,112
2025-06-30 $22,985,353 411,187
2025-03-31 $23,876,097 472,794
2024-12-31 $31,920,556 517,351
2024-09-30 $36,077,310 562,653
2024-06-30 $40,866,793 582,231
2024-03-31 $45,098,179 630,303
2023-12-31 $53,417,563 650,561
2023-09-30 $50,278,598 658,873
2023-06-30 $63,481,915 670,560
2023-03-31 $57,902,901 684,108
2022-12-31 $51,045,921 711,739
2022-09-30 $46,395,945 721,330
2022-06-30 $57,045,330 760,503
2022-03-31 $69,352,536 748,301
2021-12-31 $63,047,601 678,734
2021-09-30 $64,687,985 653,480
2021-06-30 $53,847,525 656,197
2021-03-31 $50,975,843 625,624
2020-12-31 $55,412,180 676,914
2020-09-30 $33,552,677 605,644
2020-06-30 $37,084,078 313,926
2020-03-31 $28,559,032 323,322