Parnassus Investments
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Parnassus Investments’s Monolithic Power Systems MPWR Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$20.3M Sell
27,712
-738
-3% -$540K 0.05% 107
2025
Q1
$16.5M Hold
28,450
0.04% 111
2024
Q4
$16.8M Buy
28,450
+5,644
+25% +$3.34M 0.04% 110
2024
Q3
$21.1M Sell
22,806
-7,857
-26% -$7.26M 0.04% 106
2024
Q2
$25.2M Hold
30,663
0.05% 101
2024
Q1
$20.8M Hold
30,663
0.04% 112
2023
Q4
$19.3M Buy
30,663
+2,345
+8% +$1.48M 0.04% 105
2023
Q3
$13.1M Hold
28,318
0.03% 116
2023
Q2
$15.3M Hold
28,318
0.04% 109
2023
Q1
$14.2M Sell
28,318
-11,132
-28% -$5.57M 0.04% 111
2022
Q4
$13.9M Buy
39,450
+23,294
+144% +$8.24M 0.03% 114
2022
Q3
$5.87M Sell
16,156
-34,106
-68% -$12.4M 0.02% 125
2022
Q2
$19.3M Hold
50,262
0.05% 110
2022
Q1
$24.4M Hold
50,262
0.05% 115
2021
Q4
$24.8M Hold
50,262
0.05% 111
2021
Q3
$24.4M Hold
50,262
0.05% 112
2021
Q2
$18.8M Hold
50,262
0.04% 114
2021
Q1
$17.8M Hold
50,262
0.04% 115
2020
Q4
$18.4M Hold
50,262
0.05% 99
2020
Q3
$14.1M Sell
50,262
-1,152
-2% -$322K 0.04% 102
2020
Q2
$12.2M Buy
+51,414
New +$12.2M 0.04% 102
2019
Q4
Sell
-112,827
Closed -$17.6M 98
2019
Q3
$17.6M Hold
112,827
0.06% 91
2019
Q2
$15.3M Buy
+112,827
New +$15.3M 0.06% 88