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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 %
SC
426
Saturna Capital
Washington
$938K – – –
PP
427
Prudential plc
United Kingdom
$937K +$445K +767 +90%
SW
428
SteelPeak Wealth
California
$933K +$210K +361 +29%
KAS
429
Kestra Advisory Services
Texas
$930K -$561K -967 -38%
TMAM
430
Tokio Marine Asset Management
Japan
$915K – – –
FFP
431
FourThought Financial Partners
Florida
$907K -$31.9K -55 -3%
BAMF
432
BI Asset Management Fondsmaeglerselskab
Denmark
$907K -$983K -1,695 -52%
HAG
433
HighPoint Advisor Group
Illinois
$903K -$102K -174 -10%
MYLI
434
Meiji Yasuda Life Insurance
Japan
$883K +$69.6K +120 +9%
NMIMC
435
Northwestern Mutual Investment Management Company
Wisconsin
$882K -$16.2K -28 -2%
WCA
436
Westover Capital Advisors
Delaware
$878K -$473K -816 -35%
LAM
437
Lifestyle Asset Management
Texas
$876K +$876K +1,510 New
LP
438
LMR Partners
United Kingdom
$870K -$6M -10,348 -87%
EA
439
Emerald Advisers
Pennsylvania
$869K +$76.6K +132 +10%
CGI
440
Comgest Global Investors
France
$863K -$8.46M -14,580 -91%
BEI
441
Benjamin Edwards Inc
Missouri
$863K +$282K +486 +49%
I
442
InceptionR
California
$858K +$858K +1,480 New
AAMU
443
APG Asset Management US
New York
$857K – – –
CL
444
Choreo LLC
Illinois
$851K +$141K +243 +20%
AAP
445
Arax Advisory Partners
Colorado
$836K -$91.1K -157 -10%
PCMH
446
Polymer Capital Management (HK)
Hong Kong
$827K -$1.55M -2,674 -65%
SC
447
Savant Capital
Illinois
$819K +$819K +1,412 New
BS
448
Banco Santander
Spain
$818K +$818K +1,411 New
GLA
449
Great Lakes Advisors
Illinois
$807K -$20.9K -36 -3%
NWMG
450
National Wealth Management Group
Ohio
$793K +$793K +1,368 New
16 17
18
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