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

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$4.2M Buy
3,035
+1,818
+149% +$2.73M ﹤0.01% 2550
2026
Q1
$1.33M Sell
1,217
-131
-10% -$143K ﹤0.01% 3218
2025
Q4
$1.22M Sell
1,348
-106
-7% -$102K ﹤0.01% 3406
2025
Q3
$1.34M Sell
1,454
-3,973
-73% -$3.22M ﹤0.01% 3262
2025
Q2
$3.97M Sell
5,427
-1,850
-25% -$1.18M ﹤0.01% 2205
2025
Q1
$4.22M Sell
7,277
-5,029
-41% -$3.17M ﹤0.01% 2019
2024
Q4
$7.28M Sell
12,306
-17,987
-59% -$13M 0.01% 1708
2024
Q3
$28M Sell
30,293
-10,394
-26% -$8.97M 0.02% 800
2024
Q2
$33.4M Sell
40,687
-5,835
-13% -$4.21M 0.03% 620
2024
Q1
$31.5M Buy
46,522
+19,108
+70% +$12.8M 0.03% 669
2023
Q4
$17.3M Buy
27,414
+5,319
+24% +$2.78M 0.02% 1027
2023
Q3
$10.2M Sell
22,095
-17,676
-44% -$9.04M 0.01% 1272
2023
Q2
$21.5M Sell
39,771
-81,762
-67% -$38.8M 0.02% 827
2023
Q1
$60.8M Sell
121,533
-47,877
-28% -$22M 0.07% 368
2022
Q4
$59.9M Buy
169,410
+117,253
+225% +$42.1M 0.07% 359
2022
Q3
$19M Buy
+52,157
New +$23.2M 0.02% 881
2022
Q2
Sell
-808
Closed -$341K 5600
2022
Q1
$392K Sell
808
-12,446
-94% -$5.42M ﹤0.01% 4514
2021
Q4
$6.54M Buy
13,254
+11,332
+590% +$5.85M 0.01% 2095
2021
Q3
$932K Sell
1,922
-35,357
-95% -$16.1M ﹤0.01% 3658
2021
Q2
$13.9M Sell
37,279
-12,834
-26% -$4.52M 0.01% 1237
2021
Q1
$17.7M Buy
50,113
+48,424
+2,867% +$17.6M 0.02% 995
2020
Q4
$619K Sell
1,689
-24,190
-93% -$7.75M ﹤0.01% 3292
2020
Q3
$7.24M Buy
25,879
+22,723
+720% +$5.91M 0.01% 1447
2020
Q2
$748K Sell
3,156
-15,202
-83% -$3.08M ﹤0.01% 3123
2020
Q1
$3.07M Buy
+18,358
New +$3.15M ﹤0.01% 1835
2019
Q1
Sell
-16,592
Closed -$1.93M 3797
2018
Q4
$1.93M Buy
16,592
+14,246
+607% +$1.7M ﹤0.01% 2181
2018
Q3
$294K Sell
2,346
-67,256
-97% -$9.37M ﹤0.01% 3371
2018
Q2
$9.3M Buy
69,602
+64,880
+1,374% +$8.26M 0.01% 1120
2018
Q1
$547K Buy
4,722
+151
+3% +$17.9K ﹤0.01% 2834
2017
Q4
$514K Sell
4,571
-2,008
-31% -$233K ﹤0.01% 2968
2017
Q3
$701K Sell
6,579
-1,071
-14% -$109K ﹤0.01% 2715
2017
Q2
$737K Sell
7,650
-2,197
-22% -$209K ﹤0.01% 2603
2017
Q1
$907K Sell
9,847
-28,359
-74% -$2.51M ﹤0.01% 2357
2016
Q4
$3.13M Sell
38,206
-37,936
-50% -$3.05M 0.01% 1670
2016
Q3
$6.13M Sell
76,142
-14,753
-16% -$1.09M 0.01% 1169
2016
Q2
$6.21M Sell
90,895
-28,014
-24% -$1.83M 0.01% 1152
2016
Q1
$7.57M Sell
118,909
-2,963
-2% -$177K 0.01% 1012
2015
Q4
$7.76M Buy
121,872
+17,574
+17% +$1.09M 0.01% 1109
2015
Q3
$5.34M Sell
104,298
-57,077
-35% -$2.83M 0.01% 1350
2015
Q2
$8.18M Sell
161,375
-42,815
-21% -$2.27M 0.01% 1135
2015
Q1
$10.8M Buy
204,190
+8,773
+4% +$442K 0.02% 921
2014
Q4
$9.72M Sell
195,417
-19,074
-9% -$857K 0.01% 1132
2014
Q3
$9.45M Buy
214,491
+18,405
+9% +$809K 0.01% 1131
2014
Q2
$8.3M Sell
196,086
-58,525
-23% -$2.27M 0.01% 1232
2014
Q1
$9.87M Sell
254,611
-5,228
-2% -$184K 0.01% 1059
2013
Q4
$9.01M Buy
259,839
+112,406
+76% +$3.59M 0.01% 1221
2013
Q3
$4.46M Buy
147,433
+20,234
+16% +$568K 0.01% 1707
2013
Q2
$3.07M Buy
+127,199
New +$3.02M 0.01% 1721

Other funds holding MPWR

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. 1,237 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.
  • 1,237 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.