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Atom Investors’s
Monolithic Power Systems
MPWR
Stock Holding History
Atom Investors’s Portfolio
MPWR Stock Details
MPWR Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2025
Q4
–
Sell
-271
Closed
-$249K
–
728
2025
Q3
$249K
Buy
+271
New
+$220K
0.02%
472
2024
Q4
–
Sell
-302
Closed
-$279K
–
585
2024
Q3
$279K
Buy
302
+1
+0.3%
+$863
0.03%
386
2024
Q2
$247K
Sell
301
-940
-76%
-$678K
0.02%
400
2024
Q1
$841K
Sell
1,241
-9
-0.7%
-$6.01K
0.11%
247
2023
Q4
$788K
Buy
+1,250
New
+$653K
0.14%
211
2022
Q2
–
Sell
-1,037
Closed
-$504K
–
295
2022
Q1
$504K
Buy
1,037
+344
+50%
+$150K
0.24%
97
2021
Q4
$342K
Sell
693
-3,045
-81%
-$1.57M
0.09%
188
2021
Q3
$1.81M
Sell
3,738
-3,116
-45%
-$1.42M
0.35%
79
2021
Q2
$2.56M
Buy
6,854
+4,313
+170%
+$1.52M
0.53%
58
2021
Q1
$898K
Buy
+2,541
New
+$925K
0.17%
116
2020
Q3
–
Sell
-4,342
Closed
-$1.03M
–
585
2020
Q2
$1.03M
Buy
+4,342
New
+$879K
0.11%
203
2019
Q4
–
Sell
-54,383
Closed
-$8.46M
–
283
2019
Q3
$8.46M
Buy
+54,383
New
+$8.13M
0.63%
53
Other funds holding MPWR
Vanguard Group
Malvern, Pennsylvania
$6.9T AUM
27.45%
1-Year Est. Return
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
T. Rowe Price Associates
Baltimore, Maryland
$865B AUM
30.76%
1-Year Est. Return
Invesco
Atlanta, Georgia
$653B AUM
32.41%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Franklin Resources
San Mateo, California
$408B AUM
30.18%
1-Year Est. Return
Norges Bank
Oslo, Norway
$935B AUM
T. Rowe Price Investment Management
Baltimore, Maryland
$145B AUM
22.78%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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