William Blair & Company’s Monolithic Power Systems MPWR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $6.57M | Sell |
8,987
-521
| -5% | -$381K | 0.02% | 436 |
|
|
2025
Q1 | $5.51M | Sell |
9,508
-1,850
| -16% | -$1.07M | 0.02% | 459 |
|
|
2024
Q4 | $6.72M | Buy |
11,358
+1,759
| +18% | +$1.04M | 0.02% | 419 |
|
|
2024
Q3 | $8.87M | Buy |
9,599
+1
| +0% | +$924 | 0.03% | 364 |
|
|
2024
Q2 | $7.89M | Buy |
9,598
+113
| +1% | +$92.9K | 0.02% | 376 |
|
|
2024
Q1 | $6.43M | Sell |
9,485
-1,990
| -17% | -$1.35M | 0.02% | 419 |
|
|
2023
Q4 | $7.24M | Sell |
11,475
-33
| -0.3% | -$20.8K | 0.02% | 379 |
|
|
2023
Q3 | $5.32M | Sell |
11,508
-10,369
| -47% | -$4.79M | 0.02% | 423 |
|
|
2023
Q2 | $11.8M | Sell |
21,877
-1,485
| -6% | -$802K | 0.04% | 288 |
|
|
2023
Q1 | $11.7M | Buy |
23,362
+67
| +0.3% | +$33.5K | 0.05% | 279 |
|
|
2022
Q4 | $8.24M | Buy |
23,295
+3,396
| +17% | +$1.2M | 0.04% | 326 |
|
|
2022
Q3 | $7.23M | Buy |
19,899
+6,616
| +50% | +$2.4M | 0.03% | 340 |
|
|
2022
Q2 | $5.1M | Buy |
13,283
+2,948
| +29% | +$1.13M | 0.02% | 414 |
|
|
2022
Q1 | $5.02M | Buy |
10,335
+883
| +9% | +$429K | 0.02% | 465 |
|
|
2021
Q4 | $4.66M | Buy |
9,452
+2,469
| +35% | +$1.22M | 0.01% | 492 |
|
|
2021
Q3 | $3.39M | Sell |
6,983
-3,273
| -32% | -$1.59M | 0.01% | 555 |
|
|
2021
Q2 | $3.83M | Sell |
10,256
-316
| -3% | -$118K | 0.01% | 526 |
|
|
2021
Q1 | $3.73M | Buy |
10,572
+97
| +0.9% | +$34.3K | 0.01% | 524 |
|
|
2020
Q4 | $3.84M | Buy |
10,475
+237
| +2% | +$86.8K | 0.01% | 492 |
|
|
2020
Q3 | $2.86M | Buy |
10,238
+70
| +0.7% | +$19.6K | 0.01% | 509 |
|
|
2020
Q2 | $2.41M | Sell |
10,168
-204
| -2% | -$48.4K | 0.01% | 516 |
|
|
2020
Q1 | $1.74M | Buy |
10,372
+1,807
| +21% | +$303K | 0.01% | 543 |
|
|
2019
Q4 | $1.53M | Buy |
8,565
+151
| +2% | +$26.9K | 0.01% | 670 |
|
|
2019
Q3 | $1.31M | Buy |
8,414
+5,901
| +235% | +$918K | 0.01% | 677 |
|
|
2019
Q2 | $341K | Sell |
2,513
-1,329
| -35% | -$180K | ﹤0.01% | 1109 |
|
|
2019
Q1 | $521K | Buy |
3,842
+962
| +33% | +$130K | ﹤0.01% | 953 |
|
|
2018
Q4 | $335K | Sell |
2,880
-558
| -16% | -$64.9K | ﹤0.01% | 1049 |
|
|
2018
Q3 | $432K | Sell |
3,438
-1,846
| -35% | -$232K | ﹤0.01% | 1004 |
|
|
2018
Q2 | $706K | Sell |
5,284
-1,350
| -20% | -$180K | ﹤0.01% | 833 |
|
|
2018
Q1 | $768K | Sell |
6,634
-100
| -1% | -$11.6K | 0.01% | 781 |
|
|
2017
Q4 | $757K | Sell |
6,734
-50
| -0.7% | -$5.62K | 0.01% | 822 |
|
|
2017
Q3 | $723K | Hold |
6,784
| – | – | 0.01% | 811 |
|
|
2017
Q2 | $654K | Buy |
6,784
+166
| +3% | +$16K | ﹤0.01% | 880 |
|
|
2017
Q1 | $586K | Sell |
6,618
-2,384
| -26% | -$211K | ﹤0.01% | 853 |
|
|
2016
Q4 | $738K | Sell |
9,002
-2,213
| -20% | -$181K | 0.01% | 710 |
|
|
2016
Q3 | $903K | Buy |
11,215
+1,434
| +15% | +$115K | 0.01% | 668 |
|
|
2016
Q2 | $668K | Hold |
9,781
| – | – | 0.01% | 721 |
|
|
2016
Q1 | $622K | Sell |
9,781
-10,665
| -52% | -$678K | 0.01% | 726 |
|
|
2015
Q4 | $1.3M | Sell |
20,446
-6,650
| -25% | -$424K | 0.01% | 565 |
|
|
2015
Q3 | $1.39M | Buy |
+27,096
| New | +$1.39M | 0.01% | 644 |
|
|
2014
Q4 | – | Sell |
-18,796
| Closed | -$827K | – | 2114 |
|
|
2014
Q3 | $827K | Sell |
18,796
-25,114
| -57% | -$1.1M | ﹤0.01% | 1537 |
|
|
2014
Q2 | $1.86M | Sell |
43,910
-344,540
| -89% | -$14.6M | ﹤0.01% | 1264 |
|
|
2014
Q1 | $15.1M | Buy |
+388,450
| New | +$15.1M | 0.02% | 678 |
|
|
2013
Q4 | – | Sell |
-333,893
| Closed | -$10.1M | – | 2012 |
|
|
2013
Q3 | $10.1M | Sell |
333,893
-401,475
| -55% | -$12.2M | 0.02% | 736 |
|
|
2013
Q2 | $17.7M | Buy |
+735,368
| New | +$17.7M | 0.04% | 513 |
|