SCHEDULE: Vanguard Group Amends Power Integrations Stake

The Vanguard Group updated its beneficial ownership in Power Integrations Inc., reporting a 13.65% stake following an internal realignment.

Summary

• The Vanguard Group filed an Amendment No. 16 to Schedule 13G for Power Integrations Inc. Common Stock.
• The filing reports beneficial ownership of 7,556,919 shares, representing 13.65% of the class, as of the event date December 31, 2025.
• The Vanguard Group holds shared voting power over 471,025 shares and shared dispositive power over 7,556,919 shares.
• An internal realignment at The Vanguard Group, Inc. on January 12, 2026, resulted in the parent entity no longer performing portfolio management services or administering proxy voting.
• Certain subsidiaries or business divisions of The Vanguard Group, Inc. are expected to report beneficial ownership separately (on a disaggregated basis) in future filings, pursuing the same investment strategies.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral-to-slightly positive filing. While it's a routine disclosure, the continued significant stake by a major institutional investor like Vanguard provides a stable backdrop, even with their internal reporting changes.

Positives

• The Vanguard Group, a major institutional investor, maintains a significant beneficial ownership of 13.65% in Power Integrations Inc., indicating continued institutional interest.

Negatives

• No direct negatives for Power Integrations Inc. are disclosed in this ownership filing.

Risks

• NA

Future Outlook

The Vanguard Group anticipates that certain subsidiaries or business divisions will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on SEC Release No. 34-39538, following an internal realignment. These entities will continue to pursue the same investment strategies.

Management Comments

• "The Vanguard Group, Inc. anticipates that certain subsidiaries or business divisions of subsidiaries of The Vanguard Group, Inc., that currently have, or are deemed to have, beneficial ownership with The Vanguard Group, Inc., will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on such release."
• "These subsidiaries and/or business divisions pursue the same investment strategies as previously pursued by The Vanguard Group, Inc. prior to the realignment."
• "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under 240.14a-11."

Industry Context

StockSavvy.ai notes that large institutional ownership by entities like The Vanguard Group is common for established public companies, indicating a baseline level of investor confidence. The internal realignment within Vanguard primarily affects its internal reporting structure rather than signaling a change in investment strategy towards Power Integrations Inc. specifically, as the filing states subsidiaries will pursue the same investment strategies.

Comparison to Industry Standards

• The 13.65% stake held by The Vanguard Group in Power Integrations Inc. is a substantial institutional holding, typical for a large-cap or mid-cap company with broad institutional investor interest.
• For example, similar large institutional stakes are often seen in technology companies like Analog Devices (ADI) or Texas Instruments (TXN), where major asset managers like BlackRock or State Street also hold significant passive positions.
• The internal realignment at Vanguard is an operational change for the asset manager, not directly comparable to specific company performance or project results, but rather to similar internal restructuring efforts by other large fund complexes to optimize regulatory reporting or operational efficiency.

Stakeholder Impact

• Shareholders: The continued significant ownership by The Vanguard Group indicates ongoing institutional confidence, which can be a positive signal. The internal realignment at Vanguard does not directly impact Power Integrations' shareholders beyond a change in how Vanguard's ownership might be disaggregated in future filings.

Next Steps

• The Vanguard Group's subsidiaries or business divisions are expected to report beneficial ownership separately in future filings.

Key Dates

Recommendation

The filing is a routine Schedule 13G amendment disclosing a significant, but not new, beneficial ownership stake by The Vanguard Group. The internal realignment within Vanguard is an operational matter for the fund manager and does not signal a change in investment strategy or fundamental outlook for Power Integrations Inc. As such, it does not present new information warranting a change from a 'hold' position for a seasoned investor.

Keywords

Power Integrations Inc, Vanguard Group, Schedule 13G, beneficial ownership, institutional investor, common stock, SEC filing, investment adviser