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Monolithic Power Systems
MPWR

Overview Fund Activity

848 hedge funds and large institutions have $26.7B invested in Monolithic Power Systems in 2025 Q1 according to their latest regulatory filings, with 122 funds opening new positions, 329 increasing their positions, 302 reducing their positions, and 108 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
848
Holders Change
-3
Holders Change %
-0.35%
% of All Funds
11.52%
Holding in Top 10
3
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-57.14%
% of All Funds
0.04%
New
122
Increased
329
Reduced
302
Closed
108
Calls
$253M
Puts
$277M
Net Calls
-$24.4M
Net Calls Change
+$261M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$294M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$221M
3
VanEck Associates
VanEck Associates
New York
+$157M
4
Coatue Management
Coatue Management
New York
+$112M
5
WorldQuant Millennium Advisors
WorldQuant Millennium Advisors
New York
+$88.6M

Top Sellers

1
BlackRock
BlackRock
New York
-$295M
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$82M
3
Bank of Nova Scotia
Bank of Nova Scotia
Ontario, Canada
-$78.6M
4
VNIM
Vaughan Nelson Investment Management
Texas
-$75.8M
5
Citadel Advisors
Citadel Advisors
Florida
-$75.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
FRM
576
Fox Run Management
Connecticut
$366K -$542K -935 -60%
PCA
577
Pallas Capital Advisors
Massachusetts
$365K +$365K +630 New
CG
578
Cynosure Group
Utah
$361K -$1.63M -2,809 -82%
CAM
579
Cresset Asset Management
Illinois
$360K +$62.8K +108 +21%
RL
580
Retireful LLC
Michigan
$360K +$135K +233 +60%
NA
581
Navellier & Associates
Nevada
$354K – – –
AAIS
582
ABN AMRO Investment Solutions
$353K -$73.7K -127 -17%
PC
583
Pier Capital
Connecticut
$351K +$49.3K +85 +16%
KAS
584
KPP Advisory Services
Kentucky
$341K +$23.2K +40 +7%
LA
585
Lifeworks Advisors
Michigan
$340K -$22.6K -39 -6%
LCM
586
Landscape Capital Management
New Jersey
$340K +$340K +586 New
HBT
587
Heartland Bank & Trust
Illinois
$339K +$41.2K +71 +14%
AA
588
Advisory Alpha
Michigan
$331K +$26.1K +45 +9%
UAG
589
United Advisor Group
Ohio
$331K +$331K +571 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
590
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$331K -$82M -141,355 -100%
PCP
591
Perbak Capital Partners
United Kingdom
$330K +$330K +569 New
TA
592
TFB Advisors
Kansas
$328K +$37.7K +65 +13%
IAA
593
Independent Advisor Alliance
North Carolina
$324K +$6.96K +12 +2%
AA
594
ALPS Advisors
Colorado
$322K +$92.8K +160 +40%
TAM
595
Trust Asset Management
Texas
$321K +$22K +38 +7%
GS
596
GTS Securities
New York
$320K -$3.58M -6,170 -92%
IC
597
Iconiq Capital
California
$319K +$319K +550 New
SF
598
Symphony Financial
Texas
$318K -$111K -216 -26%
M1FG
599
Mach-1 Financial Group
Arkansas
$318K +$318K +548 New
FT
600
Fiduciary Trust
Massachusetts
$311K +$12.2K +21 +4%
22 23
24
25 26