Two Sigma Investments
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Two Sigma Investments’s Monolithic Power Systems MPWR Stock Holding History

Two Sigma Investments’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 		$3.5M Buy
3,200
+2,200
+220% +$2.4M ﹤0.01% 2308
2025
Q4 		$906K Buy
+1,000
New +$962K ﹤0.01% 2991
2022
Q1 		– Sell
-7,200
Closed -$3.55M – 3709
2021
Q4 		$3.55M Buy
7,200
+4,200
+140% +$2.17M 0.01% 1431
2021
Q3 		$1.45M Sell
3,000
-4,900
-62% -$2.23M ﹤0.01% 2276
2021
Q2 		$2.95M Sell
7,900
-600
-7% -$211K 0.01% 1560
2021
Q1 		$3M Buy
+8,500
New +$3.1M 0.01% 1392

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

Two Sigma Investments's MPWR Position: Q1 2026 in Review

Two Sigma Investments opened a new position in Monolithic Power Systems (MPWR) in Q1 2026: 12,018 shares worth $13.1M. The stake represents 0.01% of the portfolio and ranks #1224 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in MPWR as recently as Q3 2023.

Two Sigma Investments first reported a position in MPWR in Q2 2013 and has held it in 18 quarters since. The position peaked at $18.8M in Q3 2020. 1,115 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Two Sigma Investments held 12,018 shares of Monolithic Power Systems worth $13.1M as of Q1 2026.
  • Monolithic Power Systems was a new Two Sigma Investments position in Q1 2026.
  • Monolithic Power Systems made up 0.01% of Two Sigma Investments's portfolio in Q1 2026, its #1224 holding.
  • Two Sigma Investments first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 18 quarters since.
  • Two Sigma Investments's Monolithic Power Systems position peaked at $18.8M in Q3 2020.
  • 1,115 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.