GC
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Gilbert & Cook’s Monolithic Power Systems MPWR Stock Holding History

Gilbert & Cook’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 		$1.19M Sell
860
-17
-2% -$25.5K 0.14% 68
2026
Q1 		$959K Buy
877
+276
+46% +$302K 0.12% 88
2025
Q4 		$545K Sell
601
-62
-9% -$59.7K 0.07% 145
2025
Q3 		$610K Buy
663
+8
+1% +$6.49K 0.08% 126
2025
Q2 		$479K Buy
655
+15
+2% +$9.56K 0.06% 142
2025
Q1 		$371K Sell
640
-737
-54% -$464K 0.05% 158
2024
Q4 		$815K Hold
1,377
– – 0.11% 87
2024
Q3 		$1.27M Sell
1,377
-81
-6% -$69.9K 0.18% 51
2024
Q2 		$1.2M Sell
1,458
-156
-10% -$113K 0.18% 54
2024
Q1 		$1.09M Buy
1,614
+6
+0.4% +$4.01K 0.15% 66
2023
Q4 		$1.01M Buy
1,608
+127
+9% +$66.4K 0.14% 66
2023
Q3 		$684K Buy
1,481
+911
+160% +$466K 0.11% 89
2023
Q2 		$308K Buy
+570
New +$271K 0.05% 165
2021
Q4 		– Sell
-519
Closed -$252K – 218
2021
Q3 		$252K Sell
519
-87
-14% -$39.6K 0.05% 184
2021
Q2 		$226K Sell
606
-372
-38% -$131K 0.04% 198
2021
Q1 		$345K Buy
978
+99
+11% +$36.1K 0.07% 131
2020
Q4 		$320K Buy
+879
New +$282K 0.07% 125

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

Gilbert & Cook's MPWR Position: Q2 2026 in Review

Gilbert & Cook reduced its Monolithic Power Systems (MPWR) stake by 1.9% in Q2 2026, selling an estimated $25.5K and leaving 860 shares worth $1.19M. The position accounts for 0.14% of the portfolio, ranked #68.

Gilbert & Cook first reported a position in MPWR in Q4 2020 and has held it in 17 quarters since. The position peaked at $1.27M in Q3 2024. 1,242 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Gilbert & Cook held 860 shares of Monolithic Power Systems worth $1.19M as of Q2 2026.
  • Gilbert & Cook sold 17 Monolithic Power Systems shares in Q2 2026, an estimated $25.5K.
  • Monolithic Power Systems made up 0.14% of Gilbert & Cook's portfolio in Q2 2026, its #68 holding.
  • Gilbert & Cook first reported a position in Monolithic Power Systems in Q4 2020 and has held it in 17 quarters since.
  • Gilbert & Cook's Monolithic Power Systems position peaked at $1.27M in Q3 2024.
  • 1,242 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Gilbert & Cook's 13F filing for Q2 2026, filed 28 Jul 2026.