ProShare Advisors’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
Q1
$89M Sell
81,441
-18,020
-18% -$19.7M 0.13% 130
2025
Q4
$90.1M Buy
99,461
+74,082
+292% +$71.3M 0.16% 142
2025
Q3
$23.4M Sell
25,379
-3,052
-11% -$2.47M 0.05% 261
2025
Q2
$20.8M Buy
28,431
+2,366
+9% +$1.51M 0.04% 272
2025
Q1
$15.1M Buy
26,065
+8,319
+47% +$5.24M 0.03% 288
2024
Q4
$10.5M Buy
17,746
+2,570
+17% +$1.86M 0.02% 315
2024
Q3
$14M Sell
15,176
-509
-3% -$439K 0.03% 293
2024
Q2
$12.9M Buy
15,685
+1,630
+12% +$1.18M 0.03% 288
2024
Q1
$9.52M Buy
14,055
+1,489
+12% +$994K 0.03% 320
2023
Q4
$7.93M Sell
12,566
-1,454
-10% -$760K 0.02% 412
2023
Q3
$6.48M Sell
14,020
-488
-3% -$250K 0.02% 440
2023
Q2
$7.84M Buy
14,508
+634
+5% +$301K 0.02% 404
2023
Q1
$6.94M Buy
13,874
+420
+3% +$193K 0.02% 427
2022
Q4
$4.76M Buy
13,454
+519
+4% +$186K 0.02% 456
2022
Q3
$4.7M Buy
12,935
+985
+8% +$438K 0.02% 463
2022
Q2
$4.59M Sell
11,950
-4,235
-26% -$1.79M 0.02% 504
2022
Q1
$7.86M Sell
16,185
-2,659
-14% -$1.16M 0.02% 468
2021
Q4
$9.3M Buy
18,844
+5,539
+42% +$2.86M 0.02% 458
2021
Q3
$6.45M Buy
13,305
+342
+3% +$156K 0.02% 476
2021
Q2
$4.84M Buy
12,963
+1,523
+13% +$536K 0.01% 504
2021
Q1
$4.04M Buy
11,440
+3,403
+42% +$1.24M 0.01% 505
2020
Q4
$2.94M Buy
8,037
+1,507
+23% +$483K 0.01% 541
2020
Q3
$1.83M Buy
6,530
+72
+1% +$18.7K 0.01% 590
2020
Q2
$1.53M Buy
6,458
+1,798
+39% +$364K 0.01% 605
2020
Q1
$780K Sell
4,660
-3,074
-40% -$527K 0.01% 643
2019
Q4
$1.38M Buy
7,734
+626
+9% +$100K 0.01% 706
2019
Q3
$1.11M Buy
7,108
+419
+6% +$62.6K 0.01% 718
2019
Q2
$908K Sell
6,689
-140
-2% -$19K 0.01% 789
2019
Q1
$925K Buy
6,829
+1,100
+19% +$144K 0.01% 795
2018
Q4
$666K Sell
5,729
-1,421
-20% -$170K ﹤0.01% 844
2018
Q3
$898K Sell
7,150
-511
-7% -$71.2K 0.01% 867
2018
Q2
$1.02M Sell
7,661
-5,131
-40% -$654K 0.01% 821
2018
Q1
$1.48M Sell
12,792
-649
-5% -$76.9K 0.01% 689
2017
Q4
$1.51M Buy
13,441
+5,637
+72% +$654K 0.01% 695
2017
Q3
$832K Buy
7,804
+1,652
+27% +$168K 0.01% 778
2017
Q2
$593K Sell
6,152
-1,469
-19% -$140K 0.01% 895
2017
Q1
$702K Sell
7,621
-2,233
-23% -$198K 0.01% 884
2016
Q4
$807K Buy
9,854
+3,113
+46% +$250K 0.01% 870
2016
Q3
$543K Buy
6,741
+1,143
+20% +$84.5K 0.01% 924
2016
Q2
$382K Sell
5,598
-88
-2% -$5.76K ﹤0.01% 1081
2016
Q1
$362K Sell
5,686
-971
-15% -$57.9K 0.01% 1129
2015
Q4
$424K Buy
6,657
+2,207
+50% +$137K 0.01% 1116
2015
Q3
$228K Sell
4,450
-1,204
-21% -$59.7K ﹤0.01% 1255
2015
Q2
$287K Sell
5,654
-2,774
-33% -$147K ﹤0.01% 1321
2015
Q1
$444K Sell
8,428
-787
-9% -$39.7K 0.01% 1242
2014
Q4
$458K Sell
9,215
-7,046
-43% -$316K 0.01% 1249
2014
Q3
$716K Sell
16,261
-3,958
-20% -$174K 0.01% 1199
2014
Q2
$856K Sell
20,219
-17,760
-47% -$689K 0.01% 1240
2014
Q1
$1.47M Buy
+37,979
New +$1.34M 0.02% 978
2013
Q4
Sell
-23,972
Closed -$726K 1656
2013
Q3
$726K Buy
23,972
+1,705
+8% +$47.9K 0.02% 1126
2013
Q2
$537K Buy
+22,267
New +$529K 0.01% 1279

Other funds holding MPWR

ProShare Advisors's MPWR Position: Q1 2026 in Review

ProShare Advisors reduced its Monolithic Power Systems (MPWR) stake by 18% in Q1 2026, selling an estimated $19.7M and leaving 81,441 shares worth $89M. The position accounts for 0.13% of the portfolio, ranked #130.

ProShare Advisors first reported a position in MPWR in Q2 2013 and has held it in 51 quarters since. The position peaked at $90.1M in Q4 2025. 1,115 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • ProShare Advisors held 81,441 shares of Monolithic Power Systems worth $89M as of Q1 2026.
  • ProShare Advisors sold 18,020 Monolithic Power Systems shares in Q1 2026, an estimated $19.7M.
  • Monolithic Power Systems made up 0.13% of ProShare Advisors's portfolio in Q1 2026, its #130 holding.
  • ProShare Advisors first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 51 quarters since.
  • ProShare Advisors's Monolithic Power Systems position peaked at $90.1M in Q4 2025.
  • 1,115 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on ProShare Advisors's 13F filing for Q1 2026, filed 27 Apr 2026.