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Israel Englander’s Monolithic Power Systems MPWR Stock Holding History

Israel Englander’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 		$22.5M Buy
16,300
+5,400
+50% +$8.11M 0.01% 1523
2026
Q1 		$11.9M Buy
10,900
+800
+8% +$874K 0.01% 2004
2025
Q4 		$9.15M Buy
10,100
+600
+6% +$577K ﹤0.01% 2359
2025
Q3 		$8.75M Sell
9,500
-700
-7% -$568K ﹤0.01% 2526
2025
Q2 		$7.46M Sell
10,200
-3,700
-27% -$2.36M ﹤0.01% 2571
2025
Q1 		$8.06M Buy
13,900
+4,500
+48% +$2.84M ﹤0.01% 2403
2024
Q4 		$5.56M Sell
9,400
-13,900
-60% -$10.1M ﹤0.01% 2725
2024
Q3 		$21.5M Buy
23,300
+18,400
+376% +$15.9M 0.01% 1495
2024
Q2 		$4.03M Sell
4,900
-2,800
-36% -$2.02M ﹤0.01% 2911
2024
Q1 		$5.22M Sell
7,700
-23,600
-75% -$15.8M ﹤0.01% 2824
2023
Q4 		$19.7M Buy
31,300
+26,700
+580% +$13.9M 0.01% 1556
2023
Q3 		$2.13M Sell
4,600
-1,300
-22% -$665K ﹤0.01% 3499
2023
Q2 		$3.19M Buy
+5,900
New +$2.8M ﹤0.01% 3082
2021
Q4 		– Sell
-4,500
Closed -$2.18M – 7160
2021
Q3 		$2.18M Sell
4,500
-200
-4% -$91K ﹤0.01% 3809
2021
Q2 		$1.75M Buy
4,700
+1,500
+47% +$528K ﹤0.01% 4112
2021
Q1 		$1.13M Buy
+3,200
New +$1.17M ﹤0.01% 4101

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

Israel Englander's MPWR Position: Q2 2026 in Review

Israel Englander opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 136,835 shares worth $189M. The stake represents 0.07% of the portfolio and ranks #260 among its holdings. This is a return to the name: Israel Englander previously reported a position in MPWR as recently as Q4 2025.

Israel Englander first reported a position in MPWR in Q2 2013 and has held it in 40 quarters since. 1,235 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Israel Englander held 136,835 shares of Monolithic Power Systems worth $189M as of Q2 2026.
  • Monolithic Power Systems was a new Israel Englander position in Q2 2026.
  • Monolithic Power Systems made up 0.07% of Israel Englander's portfolio in Q2 2026, its #260 holding.
  • Israel Englander first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 40 quarters since.
  • 1,235 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.