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Westwood Holdings Group’s Monolithic Power Systems MPWR Stock Holding History

Westwood Holdings Group’s Portfolio MPWR Stock Details MPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$15M Sell
13,713
-3,665
-21% -$4M 0.11% 214
2025
Q4 		$15.8M Sell
17,378
-2,437
-12% -$2.35M 0.13% 203
2025
Q3 		$18.2M Buy
19,815
+9,257
+88% +$7.51M 0.13% 198
2025
Q2 		$7.72M Buy
10,558
+91
+0.9% +$58K 0.06% 238
2025
Q1 		$6.07M Hold
10,467
– – 0.05% 248
2024
Q4 		$6.19M Sell
10,467
-33
-0.3% -$23.9K 0.05% 253
2024
Q3 		$9.71M Sell
10,500
-5
-0% -$4.32K 0.04% 264
2024
Q2 		$8.63M Sell
10,505
-2,297
-18% -$1.66M 0.04% 256
2024
Q1 		$8.67M Sell
12,802
-70
-0.5% -$46.7K 0.07% 222
2023
Q4 		$8.12M Hold
12,872
– – 0.07% 219
2023
Q3 		$5.95M Buy
12,872
+1,560
+14% +$798K 0.06% 233
2023
Q2 		$6.11M Sell
11,312
-192
-2% -$91.2K 0.05% 234
2023
Q1 		$5.76M Sell
11,504
-475
-4% -$218K 0.05% 243
2022
Q4 		$4.24M Sell
11,979
-161
-1% -$57.8K 0.04% 255
2022
Q3 		$4.41M Sell
12,140
-128
-1% -$56.9K 0.05% 214
2022
Q2 		$4.71M Buy
12,268
+42
+0.3% +$17.7K 0.05% 226
2022
Q1 		$5.94M Sell
12,226
-2,967
-20% -$1.29M 0.05% 226
2021
Q4 		$7.5M Buy
15,193
+37
+0.2% +$19.1K 0.07% 210
2021
Q3 		$7.35M Sell
15,156
-2,623
-15% -$1.19M 0.08% 201
2021
Q2 		$6.64M Buy
17,779
+1,884
+12% +$663K 0.07% 210
2021
Q1 		$5.61M Sell
15,895
-13,182
-45% -$4.8M 0.06% 239
2020
Q4 		$10.6M Sell
29,077
-20,666
-42% -$6.62M 0.12% 193
2020
Q3 		$13.9M Sell
49,743
-24,433
-33% -$6.36M 0.18% 172
2020
Q2 		$17.6M Sell
74,176
-92,930
-56% -$18.8M 0.23% 137
2020
Q1 		$28M Sell
167,106
-57,466
-26% -$9.85M 0.42% 65
2019
Q4 		$40M Sell
224,572
-128,623
-36% -$20.5M 0.43% 62
2019
Q3 		$55M Buy
353,195
+218,317
+162% +$32.6M 0.61% 49
2019
Q2 		$18.3M Sell
134,878
-10,656
-7% -$1.45M 0.2% 156
2019
Q1 		$19.7M Sell
145,534
-14,109
-9% -$1.85M 0.21% 145
2018
Q4 		$18.6M Buy
+159,643
New +$19.1M 0.21% 136

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Westwood Holdings Group's MPWR Position: Q1 2026 in Review

Westwood Holdings Group reduced its Monolithic Power Systems (MPWR) stake by 21% in Q1 2026, selling an estimated $4M and leaving 13,713 shares worth $15M. The position accounts for 0.11% of the portfolio, ranked #214.

Westwood Holdings Group first reported a position in MPWR in Q4 2018 and has held it in 30 quarters since. The position peaked at $55M in Q3 2019. 1,118 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Westwood Holdings Group held 13,713 shares of Monolithic Power Systems worth $15M as of Q1 2026.
  • Westwood Holdings Group sold 3,665 Monolithic Power Systems shares in Q1 2026, an estimated $4M.
  • Monolithic Power Systems made up 0.11% of Westwood Holdings Group's portfolio in Q1 2026, its #214 holding.
  • Westwood Holdings Group first reported a position in Monolithic Power Systems in Q4 2018 and has held it in 30 quarters since.
  • Westwood Holdings Group's Monolithic Power Systems position peaked at $55M in Q3 2019.
  • 1,118 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Westwood Holdings Group's 13F filing for Q1 2026, filed 15 May 2026.