MONOLITHIC PWR SYS INC (MPWR): Institutional Ownership
Hedge funds and institutional managers reporting a position in MPWR · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
28
13F filers
Aggregate Value
$298.9M
Across holders
Last Price
$1313.32
2026-06-26
Sector
Information Technology
GICS
Holder activity12 new7 added9 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Rokos Capital Management LLP CIK 0001666335 | Hedge Fund | 121K | $88.8M | 29.7% | 0.4% | New | — | Q2 2025 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 74K | $80.5M | 26.9% | 0.1% | Reduced | $-4.6M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 22K | $24.6M | 8.2% | 0.1% | Added | +$2.5M | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP CIK 0001448574 | Hedge Fund | 17K | $15.5M | 5.2% | 0.2% | New | — | Q4 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 14K | $14.8M | 4.9% | 0.0% | Reduced | $-55.0M | Q1 2026 |
| Davidson Kempner Capital Management LP CIK 0001595082 | Hedge Fund | 20K | $14.6M | 4.9% | 0.2% | New | — | Q2 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 12K | $13.1M | 4.4% | 0.0% | Added | +$12.0M | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 12K | $13.1M | 4.4% | 0.1% | Added | +$9.9M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 8K | $7.4M | 2.5% | 0.0% | New | — | Q3 2025 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 7K | $7.4M | 2.5% | 0.0% | New | — | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 4K | $4.7M | 1.6% | 0.0% | Reduced | $-20.9M | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 3K | $3.1M | 1.0% | 0.0% | New | — | Q3 2025 |
| COATUE MANAGEMENT LLC CIK 0001135730 | Hedge Fund | 5K | $2.9M | 1.0% | 0.0% | New | — | Q1 2025 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 2K | $2.5M | 0.8% | 0.0% | New | — | Q1 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 2K | $1.7M | 0.6% | 0.0% | Added | +$34K | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 700 | $765K | 0.3% | 0.0% | Reduced | $-1.2M | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 700 | $644K | 0.2% | 0.0% | New | — | Q3 2025 |
| Bridgewater Advisors Inc. CIK 0001600319 | Hedge Fund | 247 | $394K | 0.1% | 0.0% | Added | +$6K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 341 | $373K | 0.1% | 0.0% | New | — | Q1 2026 |
| ICONIQ Capital, LLC CIK 0001569709 | Family Office | 460 | $336K | 0.1% | 0.0% | New | — | Q2 2025 |
New
Hedge Fund
$88.8M· 29.7% of total· 0.4% port· 121K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$80.5M· 26.9% of total· 0.1% port· 74K sh· $-4.6M QoQ· Q1 2026
Added
Hedge Fund
$24.6M· 8.2% of total· 0.1% port· 22K sh· +$2.5M QoQ· Q1 2026
New
Hedge Fund
$15.5M· 5.2% of total· 0.2% port· 17K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$14.8M· 4.9% of total· 0.0% port· 14K sh· $-55.0M QoQ· Q1 2026
New
Hedge Fund
$14.6M· 4.9% of total· 0.2% port· 20K sh· — QoQ· Q2 2025
Added
Hedge Fund
$13.1M· 4.4% of total· 0.0% port· 12K sh· +$12.0M QoQ· Q1 2026
Added
Hedge Fund
$13.1M· 4.4% of total· 0.1% port· 12K sh· +$9.9M QoQ· Q1 2026
New
Hedge Fund
$7.4M· 2.5% of total· 0.0% port· 8K sh· — QoQ· Q3 2025
New
Hedge Fund
$7.4M· 2.5% of total· 0.0% port· 7K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$4.7M· 1.6% of total· 0.0% port· 4K sh· $-20.9M QoQ· Q1 2026
New
Hedge Fund
$3.1M· 1.0% of total· 0.0% port· 3K sh· — QoQ· Q3 2025
New
Hedge Fund
$2.9M· 1.0% of total· 0.0% port· 5K sh· — QoQ· Q1 2025
New
Hedge Fund
$2.5M· 0.8% of total· 0.0% port· 2K sh· — QoQ· Q1 2026
Added
Institutional Manager
$1.7M· 0.6% of total· 0.0% port· 2K sh· +$34K QoQ· Q1 2026
Reduced
Hedge Fund
$765K· 0.3% of total· 0.0% port· 700 sh· $-1.2M QoQ· Q1 2026
New
Hedge Fund
$644K· 0.2% of total· 0.0% port· 700 sh· — QoQ· Q3 2025
Added
Hedge Fund
$394K· 0.1% of total· 0.0% port· 247 sh· +$6K QoQ· Q1 2026
New
Hedge Fund
$373K· 0.1% of total· 0.0% port· 341 sh· — QoQ· Q1 2026
New
Family Office
$336K· 0.1% of total· 0.0% port· 460 sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$328K· 0.1% of total· 0.0% port· 300 sh· $-565K QoQ· Q1 2026
Reduced
Hedge Fund
$320K· 0.1% of total· 0.0% port· 293 sh· $-2.9M QoQ· Q1 2026
Reduced
Hedge Fund
$288K· 0.1% of total· 0.0% port· 263 sh· $-6.2M QoQ· Q1 2026
New
Hedge Fund
$247K· 0.1% of total· 0.0% port· 300 sh· — QoQ· Q2 2024
Reduced
Institutional Manager
$232K· 0.1% of total· 0.0% port· 212 sh· $-28K QoQ· Q1 2026
Reduced
Hedge Fund
$219K· 0.1% of total· 0.0% port· 200 sh· $-875K QoQ· Q1 2026
Added
Hedge Fund
$125K· 0.0% of total· 0.0% port· 119 sh· +$123K QoQ· Q1 2026
Added
Hedge Fund
$37K· 0.0% of total· 0.0% port· 34 sh· +$4K QoQ· Q1 2026
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