The Tip Desk

POWER INTEGRATIONS INC holding history

As of Nov. 6, 2026 (UTC)

← WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC portfolio · COM · CUSIP 739276103 · SH

Quarter-end history; absent and withheld figures are not zero
March 31, 20257,005$353,7530.00%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 9, 2025
June 30, 2025Absent this quarter——Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewJuly 29, 2025
March 31, 20262,380,677$121,890,6620.40%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 8, 2026
June 30, 20262,382,007$199,516,9060.60%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewAug. 12, 2026

4 rows · Sort by column; scroll horizontally for more.

Schedule 13G disclosures

No verified related disclosures are included in this freeze.

About reported holdings

13F reports quarter-end securities, excluding cash and shorts. Position changes do not establish trades, motives or returns; portfolio weights use disclosed 13F value.