Charles Schwab’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
Q2
$538M Buy
388,951
+12,577
+3% +$18.9M 0.07% 223
2026
Q1
$412M Buy
376,374
+10,990
+3% +$12M 0.06% 252
2025
Q4
$331M Buy
365,384
+7,474
+2% +$7.19M 0.05% 288
2025
Q3
$330M Buy
357,910
+13,949
+4% +$11.3M 0.05% 288
2025
Q2
$252M Buy
343,961
+7,975
+2% +$5.08M 0.04% 341
2025
Q1
$195M Buy
335,986
+10,163
+3% +$6.4M 0.04% 386
2024
Q4
$193M Buy
325,823
+11,559
+4% +$8.37M 0.04% 400
2024
Q3
$291M Buy
314,264
+5,645
+2% +$4.87M 0.06% 283
2024
Q2
$254M Buy
308,619
+14,304
+5% +$10.3M 0.05% 312
2024
Q1
$199M Buy
294,315
+8,059
+3% +$5.38M 0.05% 356
2023
Q4
$181M Buy
286,256
+9,218
+3% +$4.82M 0.05% 350
2023
Q3
$128M Buy
277,038
+16,763
+6% +$8.57M 0.04% 416
2023
Q2
$141M Buy
260,275
+5,087
+2% +$2.42M 0.04% 394
2023
Q1
$128M Buy
255,188
+5,236
+2% +$2.41M 0.04% 409
2022
Q4
$88.4M Buy
249,952
+8,028
+3% +$2.88M 0.03% 531
2022
Q3
$87.9M Buy
241,924
+8,237
+4% +$3.66M 0.03% 485
2022
Q2
$89.7M Buy
233,687
+7,266
+3% +$3.07M 0.03% 496
2022
Q1
$110M Buy
226,421
+2,754
+1% +$1.2M 0.03% 478
2021
Q4
$110M Buy
223,667
+5,473
+3% +$2.82M 0.03% 493
2021
Q3
$106M Sell
218,194
-88,579
-29% -$40.3M 0.03% 465
2021
Q2
$115M Buy
306,773
+6,401
+2% +$2.25M 0.04% 440
2021
Q1
$106M Buy
300,372
+61,402
+26% +$22.4M 0.04% 423
2020
Q4
$87.5M Buy
238,970
+1,476
+0.6% +$473K 0.03% 470
2020
Q3
$66.4M Buy
237,494
+5,286
+2% +$1.38M 0.03% 504
2020
Q2
$55M Buy
232,208
+1,102
+0.5% +$223K 0.03% 581
2020
Q1
$38.7M Buy
231,106
+22,554
+11% +$3.86M 0.02% 627
2019
Q4
$37.1M Buy
208,552
+3,161
+2% +$505K 0.02% 808
2019
Q3
$32M Sell
205,391
-56,808
-22% -$8.49M 0.02% 859
2019
Q2
$35.6M Buy
262,199
+5,935
+2% +$807K 0.02% 761
2019
Q1
$34.7M Buy
256,264
+23,836
+10% +$3.13M 0.02% 752
2018
Q4
$27M Buy
232,428
+4,251
+2% +$509K 0.02% 792
2018
Q3
$28.6M Buy
228,177
+20,058
+10% +$2.8M 0.02% 895
2018
Q2
$27.8M Sell
208,119
-53,537
-20% -$6.82M 0.02% 837
2018
Q1
$30.3M Buy
261,656
+15,509
+6% +$1.84M 0.02% 741
2017
Q4
$27.7M Buy
246,147
+14,911
+6% +$1.73M 0.02% 749
2017
Q3
$24.6M Buy
231,236
+58,362
+34% +$5.93M 0.02% 771
2017
Q2
$16.7M Buy
172,874
+16,724
+11% +$1.59M 0.02% 991
2017
Q1
$14.4M Buy
156,150
+9,984
+7% +$885K 0.01% 1054
2016
Q4
$12M Buy
146,166
+11,961
+9% +$960K 0.01% 1121
2016
Q3
$10.8M Buy
134,205
+6,158
+5% +$455K 0.01% 1114
2016
Q2
$8.75M Buy
128,047
+2,160
+2% +$141K 0.01% 1177
2016
Q1
$8.01M Buy
125,887
+5,414
+4% +$323K 0.01% 1197
2015
Q4
$7.68M Buy
120,473
+2,949
+3% +$183K 0.01% 1205
2015
Q3
$6.02M Buy
117,524
+7,145
+6% +$354K 0.01% 1351
2015
Q2
$5.6M Buy
110,379
+3,187
+3% +$169K 0.01% 1470
2015
Q1
$5.64M Buy
107,192
+9,528
+10% +$480K 0.01% 1422
2014
Q4
$4.86M Sell
97,664
-1,031
-1% -$46.3K 0.01% 1472
2014
Q3
$4.35M Sell
98,695
-122
-0.1% -$5.37K 0.01% 1486
2014
Q2
$4.18M Buy
98,817
+2,326
+2% +$90.2K 0.01% 1541
2014
Q1
$3.74M Buy
96,491
+5,517
+6% +$194K 0.01% 1558
2013
Q4
$3.15M Buy
90,974
+3,237
+4% +$103K 0.01% 1616
2013
Q3
$2.71M Buy
87,737
+3,980
+5% +$112K 0.01% 1658
2013
Q2
$2M Buy
+83,757
New +$1.99M ﹤0.01% 1756

Other funds holding MPWR

Charles Schwab's MPWR Position: Q2 2026 in Review

Charles Schwab increased its Monolithic Power Systems (MPWR) stake by 3.3% in Q2 2026, buying an estimated $18.9M and bringing the position to 388,951 shares worth $538M. The position accounts for 0.07% of the portfolio, ranked #223.

Charles Schwab first reported a position in MPWR in Q2 2013 and has held it in 53 quarters since. 1,238 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Charles Schwab held 388,951 shares of Monolithic Power Systems worth $538M as of Q2 2026.
  • Charles Schwab bought 12,577 Monolithic Power Systems shares in Q2 2026, an estimated $18.9M.
  • Monolithic Power Systems made up 0.07% of Charles Schwab's portfolio in Q2 2026, its #223 holding.
  • Charles Schwab first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 53 quarters since.
  • 1,238 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.