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Monolithic Power Systems
MPWR

Overview Fund Activity

886 hedge funds and large institutions have $34.4B invested in Monolithic Power Systems in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 365 increasing their positions, 299 reducing their positions, and 77 closing their positions.

Holders
886
Holders Change
+38
Holders Change %
+4.48%
% of All Funds
11.9%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
134
Increased
365
Reduced
299
Closed
77
Calls
$144M
Puts
$217M
Net Calls
-$72.4M
Net Calls Change
-$48M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$679M
2
Norges Bank
2
Norges Bank
Norway
$438M
3
Fidelity International
3
Fidelity International
Bermuda
$383M
4
BlackRock
4
BlackRock
New York
$3.82B
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$627M

Top Sellers

1
Franklin Resources
1
Franklin Resources
California
$796M
2
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$0
3
Coatue Management
3
Coatue Management
New York
$0
4
Artisan Partners
4
Artisan Partners
Wisconsin
$152M
5
Millennium Management
5
Millennium Management
New York
$11.4M
Name Market Value Shares Shares
Change 		Shares
Change %
ClearBridge Investments
226
ClearBridge Investments
New York
$6.55M 8,952 -30,168 -77%
Cetera Investment Advisers
227
Cetera Investment Advisers
Illinois
$6.54M 8,938 -526 -6%
Acadian Asset Management
228
Acadian Asset Management
Massachusetts
$6.48M 8,871 +1,242 +16%
WP
229
Woodline Partners
California
$6.25M 8,541 +8,541 New
NIG
230
NFJ Investment Group
Texas
$5.93M 8,106 +8,106 New
II
231
Inspire Investing
Idaho
$5.92M 8,090 -975 -11%
TI
232
Tidal Investments
Wisconsin
$5.82M 7,953 -2,167 -21%
HFM
233
Harvest Fund Management
China
$5.8M 7,938 -1,339 -14%
URS
234
Utah Retirement Systems
Utah
$5.62M 7,689 -70 -0.9%
Citadel Advisors
235
Citadel Advisors
Florida
$5.6M 7,650 +6,875 +887%
FFA
236
First Foundation Advisors
California
$5.57M 7,614 +477 +7%
BCIM
237
British Columbia Investment Management
British Columbia, Canada
$5.51M 7,534 -1,796 -19%
PAMP
238
Polar Asset Management Partners
Ontario, Canada
$5.33M 7,290 +7,290 New
MT
239
Midwest Trust
Kansas
$5.3M 7,252 +7,252 New
OC
240
Oppenheimer & Co
New York
$5.29M 7,238 -693 -9%
EP
241
Edgestream Partners
New Jersey
$5.25M 7,183 -1,934 -21%
NYLIM
242
New York Life Investment Management
New York
$5.22M 7,144 +84 +1%
PFSRSONJ
243
Police & Firemen's Retirement System of New Jersey
New Jersey
$5.14M 7,024 +212 +3%
ACM
244
American Capital Management
New York
$5.13M 7,015 -83 -1%
Mackenzie Financial
245
Mackenzie Financial
Ontario, Canada
$5.12M 7,004 -1,088 -13%
VRS
246
Virginia Retirement Systems
Virginia
$5.12M 7,000 – –
Commonwealth Equity Services
247
Commonwealth Equity Services
Massachusetts
$5.12M 6,996 +716 +11%
QCM
248
QRG Capital Management
Illinois
$5.09M 6,959 -95 -1%
EI
249
Ethic Inc
New York
$5.04M 6,852 +3,236 +89%
Robeco Institutional Asset Management
250
Robeco Institutional Asset Management
Netherlands
$5M 6,834 -13,125 -66%
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