Millennium Management
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Millennium Management’s Monolithic Power Systems MPWR Stock Holding History

Millennium Management’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 		$2.19M Sell
2,000
-3,000
-60% -$3.28M ﹤0.01% 3794
2025
Q4 		$4.53M Sell
5,000
-4,800
-49% -$4.62M ﹤0.01% 3124
2025
Q3 		$9.02M Sell
9,800
-7,700
-44% -$6.24M ﹤0.01% 2491
2025
Q2 		$12.8M Sell
17,500
-100
-0.6% -$63.7K 0.01% 2005
2025
Q1 		$10.2M Buy
17,600
+4,100
+30% +$2.58M 0.01% 2169
2024
Q4 		$7.99M Sell
13,500
-7,300
-35% -$5.29M ﹤0.01% 2391
2024
Q3 		$19.2M Buy
20,800
+10,500
+102% +$9.07M 0.01% 1583
2024
Q2 		$8.46M Buy
10,300
+3,900
+61% +$2.81M ﹤0.01% 2238
2024
Q1 		$4.34M Sell
6,400
-11,700
-65% -$7.81M ﹤0.01% 2999
2023
Q4 		$11.4M Buy
18,100
+14,300
+376% +$7.47M ﹤0.01% 2060
2023
Q3 		$1.76M Buy
3,800
+3,000
+375% +$1.53M ﹤0.01% 3680
2023
Q2 		$432K Buy
+800
New +$380K ﹤0.01% 4647
2021
Q2 		– Sell
-3,200
Closed -$1.13M – 6873
2021
Q1 		$1.13M Buy
+3,200
New +$1.17M ﹤0.01% 4100

Other funds holding MPWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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

Millennium Management's MPWR Position: Q1 2026 in Review

Millennium Management sold out of Monolithic Power Systems (MPWR) in Q1 2026, closing a stake of 24,679 shares — an estimated $27M sold.

Millennium Management first reported a position in MPWR in Q2 2013 and held it in 39 quarters. The position peaked at $159M in Q4 2022. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Millennium Management reported no remaining Monolithic Power Systems position as of Q1 2026 after selling out during the quarter.
  • Millennium Management sold 24,679 Monolithic Power Systems shares in Q1 2026, an estimated $27M.
  • Millennium Management first reported a position in Monolithic Power Systems in Q2 2013 and held it in 39 quarters.
  • Millennium Management's Monolithic Power Systems position peaked at $159M in Q4 2022.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.