D.E. Shaw & Co
MPWR icon

D.E. Shaw & Co’s Monolithic Power Systems MPWR Stock Holding History

D.E. Shaw & Co’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 		$34.6M Hold
25,000
– – 0.02% 968
2026
Q1 		$27.3M Sell
25,000
-10,800
-30% -$11.8M 0.02% 958
2025
Q4 		$32.4M Sell
35,800
-7,000
-16% -$6.74M 0.02% 951
2025
Q3 		$39.4M Sell
42,800
-1,600
-4% -$1.3M 0.02% 773
2025
Q2 		$32.5M Buy
44,400
+3,100
+8% +$1.98M 0.02% 765
2025
Q1 		$24M Buy
41,300
+12,600
+44% +$7.94M 0.02% 835
2024
Q4 		$17M Sell
28,700
-5,000
-15% -$3.62M 0.01% 1134
2024
Q3 		$31.2M Buy
33,700
+14,700
+77% +$12.7M 0.03% 737
2024
Q2 		$15.6M Hold
19,000
– – 0.01% 1047
2024
Q1 		$12.9M Buy
19,000
+2,700
+17% +$1.8M 0.01% 1209
2023
Q4 		$10.3M Buy
16,300
+15,800
+3,160% +$8.25M 0.01% 1339
2023
Q3 		$231K Buy
+500
New +$256K ﹤0.01% 3716
2022
Q3 		– Sell
-12,600
Closed -$4.84M – 5397
2022
Q2 		$4.84M Sell
12,600
-29,800
-70% -$12.6M 0.01% 2163
2022
Q1 		$20.6M Buy
42,400
+30,100
+245% +$13.1M 0.02% 1013
2021
Q4 		$6.07M Sell
12,300
-4,800
-28% -$2.48M 0.01% 2170
2021
Q3 		$8.29M Buy
17,100
+7,100
+71% +$3.23M 0.01% 1657
2021
Q2 		$3.73M Buy
+10,000
New +$3.52M ﹤0.01% 2297
2018
Q2 		– Sell
-4,300
Closed -$498K – 3817
2018
Q1 		$498K Hold
4,300
– – ﹤0.01% 2889
2017
Q4 		$483K Buy
+4,300
New +$499K ﹤0.01% 2998

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

D.E. Shaw & Co's MPWR Position: Q2 2026 in Review

D.E. Shaw & Co increased its Monolithic Power Systems (MPWR) stake by 149% in Q2 2026, buying an estimated $2.73M and bringing the position to 3,035 shares worth $4.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2550.

D.E. Shaw & Co first reported a position in MPWR in Q2 2013 and has held it in 48 quarters since. The position peaked at $60.8M in Q1 2023. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • D.E. Shaw & Co held 3,035 shares of Monolithic Power Systems worth $4.2M as of Q2 2026.
  • D.E. Shaw & Co bought 1,818 Monolithic Power Systems shares in Q2 2026, an estimated $2.73M.
  • Monolithic Power Systems made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q2 2026, its #2550 holding.
  • D.E. Shaw & Co first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 48 quarters since.
  • D.E. Shaw & Co's Monolithic Power Systems position peaked at $60.8M in Q1 2023.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.