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MARSHALL WACE, LLP

Position in POWI — Power Integrations Inc

CIK 1318757 LONDON, X0

Position in POWI

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$18,440,242
+$893,861 QoQ
Shares Held
360,161
-27.0% QoQ
Ownership
0.645%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
11 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in POWI Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

MARSHALL WACE, LLP holds $9,920,614,719 across 52 Semiconductors names.

# Ticker Company Shares Value (USD) Open

All Filings in POWI

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11 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,440,242 360,161
2025-12-31 $17,546,381 493,708
2025-09-30 $16,676,694 414,740
2025-06-30 $23,686,561 423,731
2025-03-31 $7,820,227 154,856
2024-09-30 $1,096,580 17,102
2024-06-30 $13,453,598 191,674
2024-03-31 $16,314,329 228,013
2023-12-31 $1,777,681 21,650
2021-12-31 $5,979,142 64,368
2020-03-31 $1,088,137 12,319