POWER INTEGRATIONS INC (POWI): Institutional Ownership
Hedge funds and institutional managers reporting a position in POWI · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
19
13F filers
Aggregate Value
$112.0M
Across holders
Last Price
$79.37
2026-06-26
Sector
Information Technology
GICS
Holder activity11 new3 added4 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 1.00M | $51.2M | 45.7% | 0.2% | New | — | Q1 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 461K | $25.8M | 23.0% | 0.1% | New | — | Q2 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 206K | $7.3M | 6.5% | 0.0% | Reduced | $-508K | Q4 2025 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 113K | $4.5M | 4.0% | 0.0% | New | — | Q3 2025 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 88K | $4.5M | 4.0% | 0.0% | Added | +$732K | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 91K | $3.7M | 3.3% | 0.0% | New | — | Q3 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 66K | $2.6M | 2.4% | 0.0% | New | — | Q3 2025 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 50K | $2.6M | 2.3% | 0.0% | Added | +$2.3M | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 44K | $2.5M | 2.2% | 0.0% | New | — | Q2 2025 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 45K | $1.8M | 1.6% | 0.0% | New | — | Q3 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 42K | $1.7M | 1.5% | 0.0% | New | — | Q3 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 21K | $1.3M | 1.2% | 0.0% | New | — | Q3 2024 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 23K | $1.2M | 1.0% | 0.0% | Added | +$829K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 10K | $507K | 0.5% | 0.0% | Reduced | $-5.1M | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 12K | $425K | 0.4% | 0.0% | New | — | Q4 2025 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 6K | $282K | 0.3% | 0.0% | Reduced | $-932K | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 2K | $99K | 0.1% | 0.0% | New | — | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 542 | $27K | 0.0% | 0.0% | Reduced | $-13.9M | Q1 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 25 | $1K | 0.0% | 0.0% | Unchanged | +$0 | Q1 2026 |
New
Hedge Fund
$51.2M· 45.7% of total· 0.2% port· 1.00M sh· — QoQ· Q1 2026
New
Institutional Manager
$25.8M· 23.0% of total· 0.1% port· 461K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$7.3M· 6.5% of total· 0.0% port· 206K sh· $-508K QoQ· Q4 2025
New
Hedge Fund
$4.5M· 4.0% of total· 0.0% port· 113K sh· — QoQ· Q3 2025
Added
Hedge Fund
$4.5M· 4.0% of total· 0.0% port· 88K sh· +$732K QoQ· Q1 2026
New
Hedge Fund
$3.7M· 3.3% of total· 0.0% port· 91K sh· — QoQ· Q3 2025
New
Hedge Fund
$2.6M· 2.4% of total· 0.0% port· 66K sh· — QoQ· Q3 2025
Added
Hedge Fund
$2.6M· 2.3% of total· 0.0% port· 50K sh· +$2.3M QoQ· Q1 2026
New
Hedge Fund
$2.5M· 2.2% of total· 0.0% port· 44K sh· — QoQ· Q2 2025
New
Hedge Fund
$1.8M· 1.6% of total· 0.0% port· 45K sh· — QoQ· Q3 2025
New
Hedge Fund
$1.7M· 1.5% of total· 0.0% port· 42K sh· — QoQ· Q3 2025
New
Hedge Fund
$1.3M· 1.2% of total· 0.0% port· 21K sh· — QoQ· Q3 2024
Added
Hedge Fund
$1.2M· 1.0% of total· 0.0% port· 23K sh· +$829K QoQ· Q1 2026
Reduced
Hedge Fund
$507K· 0.5% of total· 0.0% port· 10K sh· $-5.1M QoQ· Q1 2026
New
Hedge Fund
$425K· 0.4% of total· 0.0% port· 12K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$282K· 0.3% of total· 0.0% port· 6K sh· $-932K QoQ· Q1 2026
New
Hedge Fund
$99K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$27K· 0.0% of total· 0.0% port· 542 sh· $-13.9M QoQ· Q1 2026
Unchanged
Hedge Fund
$1K· 0.0% of total· 0.0% port· 25 sh· +$0 QoQ· Q1 2026