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LMR Partners’s Monolithic Power Systems MPWR Stock Holding History

LMR Partners’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 		$49.4M Buy
+35,757
New +$53.7M 0.18% 114
2025
Q2 		– Sell
-1,500
Closed -$870K – 1547
2025
Q1 		$870K Sell
1,500
-10,348
-87% -$6.52M 0.01% 813
2024
Q4 		$7.01M Buy
+11,848
New +$8.58M 0.06% 314
2024
Q3 		– Sell
-17,200
Closed -$14.1M – 1438
2024
Q2 		$14.1M Buy
+17,200
New +$12.4M 0.12% 152
2022
Q3 		– Sell
-15,000
Closed -$5.76M – 1276
2022
Q2 		$5.76M Buy
+15,000
New +$6.34M 0.1% 255
2020
Q4 		– Sell
-26,917
Closed -$7.53M – 580
2020
Q3 		$7.53M Buy
26,917
+22,322
+486% +$5.81M 0.15% 68
2020
Q2 		$1.09M Buy
+4,595
New +$930K 0.03% 348
2018
Q4 		– Sell
-3,206
Closed -$402K – 430
2018
Q3 		$402K Sell
3,206
-60,806
-95% -$8.48M 0.03% 214
2018
Q2 		$8.56M Buy
+64,012
New +$8.15M 0.44% 45

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

LMR Partners's MPWR Position: Q2 2026 in Review

LMR Partners opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 35,757 shares worth $49.4M. The stake represents 0.18% of the portfolio and ranks #114 among its holdings. This is a return to the name: LMR Partners previously reported a position in MPWR as recently as Q1 2025.

LMR Partners first reported a position in MPWR in Q2 2018 and has held it in 9 quarters since. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • LMR Partners held 35,757 shares of Monolithic Power Systems worth $49.4M as of Q2 2026.
  • Monolithic Power Systems was a new LMR Partners position in Q2 2026.
  • Monolithic Power Systems made up 0.18% of LMR Partners's portfolio in Q2 2026, its #114 holding.
  • LMR Partners first reported a position in Monolithic Power Systems in Q2 2018 and has held it in 9 quarters since.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.