Brown Advisory’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
$415M Sell
379,897
-120,858
-24% -$132M 0.68% 36
2025
Q4
$454M Sell
500,755
-229,364
-31% -$221M 0.63% 42
2025
Q3
$672M Sell
730,119
-134,190
-16% -$109M 0.88% 27
2025
Q2
$632M Sell
864,309
-69,316
-7% -$44.2M 0.83% 31
2025
Q1
$541M Sell
933,625
-52,380
-5% -$33M 0.77% 34
2024
Q4
$583M Buy
986,005
+5,274
+0.5% +$3.82M 0.74% 32
2024
Q3
$907M Sell
980,731
-6,708
-0.7% -$5.79M 1.14% 18
2024
Q2
$811M Sell
987,439
-49,344
-5% -$35.6M 1.06% 20
2024
Q1
$702M Buy
1,036,783
+8,316
+0.8% +$5.55M 0.94% 23
2023
Q4
$649M Buy
1,028,467
+43,225
+4% +$22.6M 0.91% 22
2023
Q3
$455M Sell
985,242
-24,717
-2% -$12.6M 0.75% 33
2023
Q2
$546M Sell
1,009,959
-17,143
-2% -$8.14M 0.85% 28
2023
Q1
$514M Sell
1,027,102
-32,592
-3% -$15M 0.87% 27
2022
Q4
$375M Sell
1,059,694
-99,208
-9% -$35.6M 0.7% 39
2022
Q3
$421M Buy
1,158,902
+223,648
+24% +$99.5M 0.82% 30
2022
Q2
$359M Sell
935,254
-102,858
-10% -$43.4M 0.68% 38
2022
Q1
$504M Buy
1,038,112
+26,907
+3% +$11.7M 0.75% 34
2021
Q4
$499M Buy
1,011,205
+83,576
+9% +$43.1M 0.62% 46
2021
Q3
$450M Sell
927,629
-105,777
-10% -$48.1M 0.66% 43
2021
Q2
$369M Buy
1,033,406
+140,370
+16% +$49.4M 0.56% 52
2021
Q1
$315M Buy
893,036
+56,037
+7% +$20.4M 0.54% 53
2020
Q4
$307M Buy
836,999
+25,274
+3% +$8.1M 0.54% 49
2020
Q3
$227M Buy
811,725
+92,880
+13% +$24.2M 0.47% 59
2020
Q2
$170M Buy
718,845
+64,845
+10% +$13.1M 0.4% 62
2020
Q1
$110M Buy
654,000
+88,946
+16% +$15.2M 0.34% 69
2019
Q4
$101M Buy
565,054
+41,070
+8% +$6.56M 0.26% 84
2019
Q3
$81.5M Buy
523,984
+61,877
+13% +$9.25M 0.23% 91
2019
Q2
$62.7M Buy
462,107
+21,790
+5% +$2.96M 0.18% 110
2019
Q1
$59.7M Buy
440,317
+44,759
+11% +$5.87M 0.17% 121
2018
Q4
$46M Buy
395,558
+47,576
+14% +$5.69M 0.15% 130
2018
Q3
$43.7M Buy
347,982
+47,060
+16% +$6.56M 0.12% 158
2018
Q2
$40.2M Buy
300,922
+32,311
+12% +$4.12M 0.12% 156
2018
Q1
$31.1M Buy
268,611
+59,552
+28% +$7.06M 0.1% 184
2017
Q4
$23.5M Buy
209,059
+27,532
+15% +$3.2M 0.07% 214
2017
Q3
$19.3M Buy
181,527
+20,055
+12% +$2.04M 0.06% 235
2017
Q2
$15.6M Buy
+161,472
New +$15.4M 0.05% 254

Other funds holding MPWR

Brown Advisory's MPWR Position: Q1 2026 in Review

Brown Advisory reduced its Monolithic Power Systems (MPWR) stake by 24% in Q1 2026, selling an estimated $132M and leaving 379,897 shares worth $415M. The position accounts for 0.68% of the portfolio, ranked #36.

Brown Advisory first reported a position in MPWR in Q2 2017 and has held it in 36 quarters since. The position peaked at $907M in Q3 2024. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Brown Advisory held 379,897 shares of Monolithic Power Systems worth $415M as of Q1 2026.
  • Brown Advisory sold 120,858 Monolithic Power Systems shares in Q1 2026, an estimated $132M.
  • Monolithic Power Systems made up 0.68% of Brown Advisory's portfolio in Q1 2026, its #36 holding.
  • Brown Advisory first reported a position in Monolithic Power Systems in Q2 2017 and has held it in 36 quarters since.
  • Brown Advisory's Monolithic Power Systems position peaked at $907M in Q3 2024.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Brown Advisory's 13F filing for Q1 2026, filed 15 May 2026.