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WELLINGTON MANAGEMENT GROUP LLP

Position in POWI — Power Integrations Inc

CIK 902219 Boston, MA

Position in POWI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$301,188,812
+$129,353,781 QoQ
Shares Held
3,595,855
+7.1% QoQ
Ownership
6.44%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#3
of 372 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 66% None 34%

Common Shares in POWI Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $71,567,813,700 across 38 Semiconductors names. POWI ranks #15 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in POWI

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $301,188,812 3,595,855
2026-03-31 $171,835,031 3,356,153
2025-12-31 $86,147,963 2,423,972
2025-09-30 $90,926,105 2,261,281
2025-06-30 $93,122,523 1,665,877
2025-03-31 $88,421,409 1,750,919
2024-12-31 $150,878,834 2,445,362
2024-09-30 $150,061,830 2,340,328
2024-06-30 $130,787,973 1,863,342
2024-03-31 $140,847,032 1,968,512
2023-12-31 $165,173,377 2,011,611
2023-09-30 $173,679,191 2,275,969
2023-06-30 $203,728,039 2,151,981
2023-03-31 $206,828,164 2,443,622
2022-12-31 $201,792,537 2,813,616
2022-09-30 $164,678,045 2,560,293
2022-06-30 $183,806,002 2,450,420
2022-03-31 $231,419,826 2,496,977
2021-12-31 $225,658,139 2,429,305
2021-09-30 $238,521,353 2,409,550
2021-06-30 $200,122,182 2,438,730
2021-03-31 $191,102,945 2,345,397
2020-12-31 $144,151,447 1,760,951
2020-09-30 $100,156,662 1,807,882
2020-06-30 $111,207,343 941,398
2020-03-31 $74,332,874 841,536