BlackRock’s Monolithic Power Systems MPWR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$6.64B Buy
6,072,467
+110,076
+2% +$120M 0.12% 141
2025
Q4
$5.4B Buy
5,962,391
+235,617
+4% +$227M 0.09% 175
2025
Q3
$5.27B Buy
5,726,774
+497,553
+10% +$403M 0.09% 175
2025
Q2
$3.82B Buy
5,229,221
+316,313
+6% +$202M 0.07% 232
2025
Q1
$2.85B Sell
4,912,908
-509,319
-9% -$321M 0.06% 283
2024
Q4
$3.21B Sell
5,422,227
-381,736
-7% -$276M 0.07% 263
2024
Q3
$5.37B Sell
5,803,963
-103,386
-2% -$89.3M 0.11% 150
2024
Q2
$4.85B Buy
5,907,349
+542,434
+10% +$391M 0.11% 147
2024
Q1
$3.63B Buy
5,364,915
+128,385
+2% +$85.7M 0.09% 220
2023
Q4
$3.3B Sell
5,236,530
-43,274
-0.8% -$22.6M 0.08% 224
2023
Q3
$2.44B Sell
5,279,804
-151,650
-3% -$77.6M 0.07% 268
2023
Q2
$2.93B Buy
5,431,454
+257,328
+5% +$122M 0.08% 239
2023
Q1
$2.59B Sell
5,174,126
-281,074
-5% -$129M 0.08% 262
2022
Q4
$1.93B Buy
5,455,200
+72,562
+1% +$26.1M 0.06% 323
2022
Q3
$1.96B Sell
5,382,638
-381,988
-7% -$170M 0.07% 293
2022
Q2
$2.21B Sell
5,764,626
-484,856
-8% -$205M 0.07% 272
2022
Q1
$3.04B Buy
6,249,482
+269,551
+5% +$117M 0.08% 229
2021
Q4
$2.95B Buy
5,979,931
+49,738
+0.8% +$25.7M 0.08% 251
2021
Q3
$2.87B Buy
5,930,193
+55,039
+0.9% +$25M 0.08% 232
2021
Q2
$2.19B Buy
5,875,154
+319,483
+6% +$112M 0.06% 313
2021
Q1
$1.96B Sell
5,555,671
-759,026
-12% -$276M 0.06% 329
2020
Q4
$2.31B Buy
6,314,697
+737,757
+13% +$236M 0.07% 260
2020
Q3
$1.56B Buy
5,576,940
+302,370
+6% +$78.7M 0.06% 314
2020
Q2
$1.25B Buy
5,274,570
+612,428
+13% +$124M 0.05% 361
2020
Q1
$781M Buy
4,662,142
+76,946
+2% +$13.2M 0.04% 445
2019
Q4
$816M Buy
4,585,196
+131,277
+3% +$21M 0.03% 547
2019
Q3
$693M Buy
4,453,919
+47,038
+1% +$7.03M 0.03% 568
2019
Q2
$598M Buy
4,406,881
+168,988
+4% +$23M 0.03% 651
2019
Q1
$574M Buy
4,237,893
+69,101
+2% +$9.07M 0.03% 649
2018
Q4
$485M Sell
4,168,792
-29,470
-0.7% -$3.53M 0.02% 675
2018
Q3
$527M Buy
4,198,262
+408,839
+11% +$57M 0.02% 731
2018
Q2
$507M Sell
3,789,423
-868,251
-19% -$111M 0.02% 723
2018
Q1
$539M Buy
4,657,674
+452,686
+11% +$53.7M 0.03% 654
2017
Q4
$472M Sell
4,204,988
-5,983
-0.1% -$695K 0.02% 740
2017
Q3
$449M Buy
4,210,971
+175,170
+4% +$17.8M 0.02% 734
2017
Q2
$389M Sell
4,035,801
-150,854
-4% -$14.4M 0.02% 793
2017
Q1
$386M Buy
4,186,655
+4,170,068
+25,141% +$369M 0.02% 798
2016
Q4
$1.36M Sell
16,587
-417
-2% -$33.5K ﹤0.01% 1383
2016
Q3
$1.37M Buy
17,004
+13,279
+356% +$981K ﹤0.01% 1363
2016
Q2
$254K Buy
3,725
+1,156
+45% +$75.7K ﹤0.01% 1970
2016
Q1
$164K Buy
2,569
+501
+24% +$29.9K ﹤0.01% 1786
2015
Q4
$132K Buy
2,068
+139
+7% +$8.63K ﹤0.01% 1727
2015
Q3
$98K Sell
1,929
-1,416
-42% -$70.2K ﹤0.01% 1731
2015
Q2
$170K Sell
3,345
-1,289
-28% -$68.2K ﹤0.01% 1706
2015
Q1
$244K Buy
4,634
+3,468
+297% +$175K ﹤0.01% 1636
2014
Q4
$58K Sell
1,166
-222
-16% -$9.97K ﹤0.01% 1883
2014
Q3
$61K Buy
1,388
+222
+19% +$9.76K ﹤0.01% 1843
2014
Q2
$49K Sell
1,166
-2
-0.2% -$78 ﹤0.01% 1937
2014
Q1
$45K Hold
1,168
﹤0.01% 1961
2013
Q4
$41K Sell
1,168
-101
-8% -$3.23K ﹤0.01% 2003
2013
Q3
$39K Buy
1,269
+139
+12% +$3.9K ﹤0.01% 1942
2013
Q2
$27K Buy
+1,130
New +$26.8K ﹤0.01% 2139

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