AQR Capital Management
MPWR icon

AQR Capital Management’s Monolithic Power Systems MPWR Stock Holding History

AQR Capital 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 		$40.2M Sell
38,360
-7,918
-17% -$8.65M 0.02% 791
2025
Q4 		$41.9M Buy
46,278
+8,573
+23% +$8.25M 0.02% 716
2025
Q3 		$34.4M Sell
37,705
-3,739
-9% -$3.03M 0.02% 699
2025
Q2 		$30.3M Sell
41,444
-31,793
-43% -$20.3M 0.03% 683
2025
Q1 		$41.4M Sell
73,237
-15,396
-17% -$9.7M 0.04% 518
2024
Q4 		$52.4M Buy
88,633
+7,911
+10% +$5.73M 0.07% 366
2024
Q3 		$74.6M Sell
80,722
-3,638
-4% -$3.14M 0.1% 258
2024
Q2 		$69.3M Buy
84,360
+22,699
+37% +$16.4M 0.11% 235
2024
Q1 		$41.7M Buy
61,661
+18,463
+43% +$12.3M 0.07% 328
2023
Q4 		$27.2M Buy
43,198
+15,348
+55% +$8.02M 0.05% 417
2023
Q3 		$12.9M Sell
27,850
-1,649
-6% -$843K 0.03% 592
2023
Q2 		$15.9M Buy
29,499
+16,207
+122% +$7.7M 0.03% 538
2023
Q1 		$6.61M Sell
13,292
-18,829
-59% -$8.66M 0.01% 786
2022
Q4 		$11.2M Sell
32,121
-44,067
-58% -$15.8M 0.03% 627
2022
Q3 		$27.7M Buy
76,188
+6,249
+9% +$2.78M 0.07% 352
2022
Q2 		$26.8M Sell
69,939
-32,527
-32% -$13.7M 0.06% 402
2022
Q1 		$49.8M Sell
102,466
-31,148
-23% -$13.6M 0.09% 261
2021
Q4 		$65.9M Buy
133,614
+29,077
+28% +$15M 0.12% 203
2021
Q3 		$50.7M Buy
104,537
+6,052
+6% +$2.75M 0.09% 256
2021
Q2 		$36.8M Sell
98,485
-22,807
-19% -$8.03M 0.06% 342
2021
Q1 		$42.8M Buy
121,292
+66,988
+123% +$24.4M 0.07% 307
2020
Q4 		$19.7M Buy
54,304
+12,268
+29% +$3.93M 0.04% 460
2020
Q3 		$11.7M Buy
42,036
+9,859
+31% +$2.57M 0.02% 607
2020
Q2 		$7.54M Sell
32,177
-10,933
-25% -$2.21M 0.01% 695
2020
Q1 		$7.22M Buy
43,110
+18,464
+75% +$3.16M 0.01% 703
2019
Q4 		$4.39M Buy
24,646
+3,680
+18% +$588K 0.01% 1006
2019
Q3 		$3.26M Sell
20,966
-17,458
-45% -$2.61M ﹤0.01% 1111
2019
Q2 		$5.12M Buy
38,424
+33,002
+609% +$4.49M 0.01% 973
2019
Q1 		$730K Buy
5,422
+696
+15% +$91.3K ﹤0.01% 1668
2018
Q4 		$549K Sell
4,726
-1,938
-29% -$232K ﹤0.01% 1739
2018
Q3 		$837K Sell
6,664
-3,590
-35% -$500K ﹤0.01% 1770
2018
Q2 		$1.37M Sell
10,254
-10,591
-51% -$1.35M ﹤0.01% 1589
2018
Q1 		$2.41M Buy
20,845
+1,410
+7% +$167K ﹤0.01% 1274
2017
Q4 		$2.18M Sell
19,435
-1,926
-9% -$224K ﹤0.01% 1336
2017
Q3 		$2.28M Buy
21,361
+376
+2% +$38.2K ﹤0.01% 1330
2017
Q2 		$2.02M Hold
20,985
– – ﹤0.01% 1374
2017
Q1 		$1.93M Sell
20,985
-14,239
-40% -$1.26M ﹤0.01% 1399
2016
Q4 		$2.89M Sell
35,224
-812
-2% -$65.2K ﹤0.01% 1247
2016
Q3 		$2.9M Buy
36,036
+14,630
+68% +$1.08M ﹤0.01% 1241
2016
Q2 		$1.46M Hold
21,406
– – ﹤0.01% 1458
2016
Q1 		$1.36M Buy
21,406
+73
+0.3% +$4.35K ﹤0.01% 1448
2015
Q4 		$1.36M Sell
21,333
-2,943
-12% -$183K ﹤0.01% 1440
2015
Q3 		$1.24M Sell
24,276
-5,843
-19% -$290K ﹤0.01% 1335
2015
Q2 		$1.53M Sell
30,119
-223
-0.7% -$11.8K ﹤0.01% 1311
2015
Q1 		$1.6M Buy
30,342
+3,699
+14% +$186K ﹤0.01% 1205
2014
Q4 		$1.32M Sell
26,643
-1,900
-7% -$85.3K ﹤0.01% 1517
2014
Q3 		$1.26M Buy
28,543
+7,500
+36% +$330K ﹤0.01% 1499
2014
Q2 		$891K Hold
21,043
– – ﹤0.01% 1704
2014
Q1 		$816K Sell
21,043
-4,200
-17% -$148K ﹤0.01% 1787
2013
Q4 		$875K Buy
25,243
+267
+1% +$8.53K ﹤0.01% 1797
2013
Q3 		$756K Hold
24,976
– – ﹤0.01% 1792
2013
Q2 		$602K Buy
+24,976
New +$593K ﹤0.01% 1816

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

AQR Capital Management's MPWR Position: Q1 2026 in Review

AQR Capital Management reduced its Monolithic Power Systems (MPWR) stake by 17% in Q1 2026, selling an estimated $8.65M and leaving 38,360 shares worth $40.2M. The position accounts for 0.02% of the portfolio, ranked #791.

AQR Capital Management first reported a position in MPWR in Q2 2013 and has held it in 52 quarters since. The position peaked at $74.6M in Q3 2024. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • AQR Capital Management held 38,360 shares of Monolithic Power Systems worth $40.2M as of Q1 2026.
  • AQR Capital Management sold 7,918 Monolithic Power Systems shares in Q1 2026, an estimated $8.65M.
  • Monolithic Power Systems made up 0.02% of AQR Capital Management's portfolio in Q1 2026, its #791 holding.
  • AQR Capital Management first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 52 quarters since.
  • AQR Capital Management's Monolithic Power Systems position peaked at $74.6M in Q3 2024.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

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