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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 %
EH
601
Equitable Holdings
New York
$311K +$63.8K +110 +26%
WA
602
WP Advisors
California
$311K +$8.12K +14 +3%
SQA
603
Simon Quick Advisors
New Jersey
$310K +$310K +535 New
BFS
604
Burr Financial Services
California
$309K -$11.6K -20 -4%
MPM
605
MBB Public Markets
Illinois
$304K +$304K +525 New
ANBT
606
American National Bank & Trust
Texas
$301K -$176K -303 -37%
SBFM
607
S-Bank Fund Management
Finland
$292K +$292K +503 New
DDPIC
608
Deroy & Devereaux Private Investment Counsel
Michigan
$290K -$145K -250 -33%
MWM
609
MGB Wealth Management
Texas
$290K – – –
CBA
610
Coastal Bridge Advisors
Connecticut
$290K +$290K +500 New
EWA
611
EP Wealth Advisors
California
$289K +$14.5K +25 +5%
FAN
612
Financial Advisors Network
California
$288K +$288K +497 New
VCM
613
Virtue Capital Management
Tennessee
$287K -$46.9K -81 -14%
JFGIW
614
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$284K +$18.6K +32 +7%
CI
615
Cigna Investments
Connecticut
$281K – – –
FCG
616
Fielder Capital Group
Tennessee
$281K +$7.54K +13 +3%
GC
617
Guardian Capital
Ontario, Canada
$280K +$23.2K +40 +9%
AIP
618
Ameritas Investment Partners
Nebraska
$280K -$13.9K -24 -5%
AWA
619
Aaron Wealth Advisors
Illinois
$279K +$279K +481 New
BAAM
620
Baker Avenue Asset Management
California
$279K +$279K +481 New
CIA
621
Concurrent Investment Advisors
Florida
$278K -$33.1K -57 -11%
CGL
622
Clarius Group LLC
Washington
$275K +$275K +475 New
OWA
623
Outlook Wealth Advisors
Texas
$275K +$8.7K +15 +3%
EWA
624
EverSource Wealth Advisors
Alabama
$273K +$58.6K +101 +27%
SCM
625
Stevens Capital Management
Pennsylvania
$273K -$241K -416 -47%
23 24
25
26 27