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Polar Capital Holdings’s Monolithic Power Systems MPWR Stock Holding History

Polar Capital Holdings’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
Q2 		$17.1M Buy
12,370
+4,990
+68% +$7.49M 0.04% 175
2026
Q1 		$8.07M Sell
7,380
-1,800
-20% -$1.97M 0.03% 198
2025
Q4 		$8.32M Sell
9,180
-8,850
-49% -$8.52M 0.03% 208
2025
Q3 		$16.6M Buy
18,030
+5,980
+50% +$4.85M 0.08% 169
2025
Q2 		$8.81M Sell
12,050
-5,650
-32% -$3.6M 0.05% 204
2025
Q1 		$10.3M Buy
17,700
+16,700
+1,670% +$10.5M 0.06% 192
2024
Q4 		$592K Sell
1,000
-204,829
-100% -$148M ﹤0.01% 286
2024
Q3 		$190M Buy
205,829
+27,205
+15% +$23.5M 0.91% 23
2024
Q2 		$147M Buy
178,624
+63,458
+55% +$45.8M 0.86% 28
2024
Q1 		$78M Sell
115,166
-105,053
-48% -$70.1M 0.41% 65
2023
Q4 		$139M Sell
220,219
-52,872
-19% -$27.6M 0.85% 22
2023
Q3 		$126M Sell
273,091
-61,428
-18% -$31.4M 0.94% 23
2023
Q2 		$181M Sell
334,519
-2,454
-0.7% -$1.17M 0.91% 16
2023
Q1 		$169M Buy
336,973
+39,853
+13% +$18.3M 1.1% 15
2022
Q4 		$105M Buy
297,120
+15,832
+6% +$5.69M 0.84% 26
2022
Q3 		$102M Sell
281,288
-16,076
-5% -$7.15M 0.65% 37
2022
Q2 		$114M Buy
297,364
+108,965
+58% +$46M 0.67% 29
2022
Q1 		$91.5M Buy
188,399
+62,844
+50% +$27.4M 0.41% 54
2021
Q4 		$61.9M Sell
125,555
-19,558
-13% -$10.1M 0.23% 92
2021
Q3 		$70.3M Sell
145,113
-163,224
-53% -$74.2M 0.29% 84
2021
Q2 		$115M Buy
308,337
+95,379
+45% +$33.6M 0.5% 42
2021
Q1 		$75.2M Buy
212,958
+25,102
+13% +$9.14M 0.47% 63
2020
Q4 		$68.8M Buy
+187,856
New +$60.2M 0.42% 68

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 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 $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Polar Capital Holdings's MPWR Position: Q2 2026 in Review

Polar Capital Holdings increased its Monolithic Power Systems (MPWR) stake by 68% in Q2 2026, buying an estimated $7.49M and bringing the position to 12,370 shares worth $17.1M. The position accounts for 0.04% of the portfolio, ranked #175.

Polar Capital Holdings first reported a position in MPWR in Q4 2020 and has held it in 23 quarters since. The position peaked at $190M in Q3 2024. 1,244 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Polar Capital Holdings held 12,370 shares of Monolithic Power Systems worth $17.1M as of Q2 2026.
  • Polar Capital Holdings bought 4,990 Monolithic Power Systems shares in Q2 2026, an estimated $7.49M.
  • Monolithic Power Systems made up 0.04% of Polar Capital Holdings's portfolio in Q2 2026, its #175 holding.
  • Polar Capital Holdings first reported a position in Monolithic Power Systems in Q4 2020 and has held it in 23 quarters since.
  • Polar Capital Holdings's Monolithic Power Systems position peaked at $190M in Q3 2024.
  • 1,244 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Polar Capital Holdings's 13F filing for Q2 2026, filed 14 Aug 2026.