TRCT
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Tower Research Capital (TRC)’s Power Integrations POWI Stock Holding History

Tower Research Capital (TRC)’s Portfolio POWI Stock Details POWI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$208K Buy
4,068
+3,603
+775% +$165K 0.01% 1584
2025
Q4 		$16.5K Sell
465
-1,833
-80% -$69.5K ﹤0.01% 3247
2025
Q3 		$92.4K Sell
2,298
-5,043
-69% -$243K ﹤0.01% 2053
2025
Q2 		$410K Buy
7,341
+5,221
+246% +$268K 0.01% 1153
2025
Q1 		$107K Sell
2,120
-1,779
-46% -$106K ﹤0.01% 1737
2024
Q4 		$241K Buy
3,899
+2,250
+136% +$143K ﹤0.01% 1591
2024
Q3 		$106K Sell
1,649
-8,263
-83% -$546K ﹤0.01% 2189
2024
Q2 		$696K Buy
9,912
+7,977
+412% +$573K 0.01% 1055
2024
Q1 		$138K Sell
1,935
-7,914
-80% -$591K ﹤0.01% 1646
2023
Q4 		$809K Buy
9,849
+7,718
+362% +$592K 0.01% 1004
2023
Q3 		$163K Sell
2,131
-635
-23% -$54.3K 0.01% 1576
2023
Q2 		$262K Buy
2,766
+529
+24% +$44.2K 0.01% 1375
2023
Q1 		$189K Buy
2,237
+755
+51% +$62.7K 0.01% 1401
2022
Q4 		$107K Sell
1,482
-3,268
-69% -$233K ﹤0.01% 1781
2022
Q3 		$306K Sell
4,750
-16,079
-77% -$1.2M 0.01% 1534
2022
Q2 		$1.56M Buy
20,829
+19,051
+1,071% +$1.55M 0.04% 460
2022
Q1 		$165K Sell
1,778
-4,758
-73% -$415K ﹤0.01% 1867
2021
Q4 		$607K Sell
6,536
-1,211
-16% -$119K 0.01% 985
2021
Q3 		$767K Buy
7,747
+1,187
+18% +$115K 0.02% 691
2021
Q2 		$538K Buy
6,560
+854
+15% +$69K 0.01% 1129
2021
Q1 		$465K Buy
5,706
+535
+10% +$46.6K 0.01% 1298
2020
Q4 		$423K Sell
5,171
-33,816
-87% -$2.29M 0.01% 1121
2020
Q3 		$2.16M Buy
38,987
+33,693
+636% +$1.94M 0.02% 345
2020
Q2 		$313K Buy
+5,294
New +$278K 0.01% 1409
2020
Q1 		– Sell
-1,140
Closed -$56K – 3702
2019
Q4 		$56K Sell
1,140
-608
-35% -$28K ﹤0.01% 1270
2019
Q3 		$79K Buy
1,748
+1,448
+483% +$62.8K 0.01% 1494
2019
Q2 		$12K Buy
300
+184
+159% +$6.72K ﹤0.01% 2459
2019
Q1 		$4K Buy
+116
New +$3.94K ﹤0.01% 3186
2018
Q4 		– Sell
-1,226
Closed -$39K – 4242
2018
Q3 		$39K Sell
1,226
-16,088
-93% -$579K ﹤0.01% 1921
2018
Q2 		$632K Buy
+17,314
New +$628K 0.04% 533
2017
Q4 		– Sell
-7,586
Closed -$278K – 3899
2017
Q3 		$278K Buy
+7,586
New +$277K 0.02% 524
2017
Q1 		– Sell
-394
Closed -$13K – 3726
2016
Q4 		$13K Buy
+394
New +$12.9K ﹤0.01% 2480
2016
Q3 		– Sell
-2,096
Closed -$53K – 4249
2016
Q2 		$53K Buy
+2,096
New +$51.2K 0.01% 1511
2016
Q1 		– Sell
-486
Closed -$12K – 4747
2015
Q4 		$12K Sell
486
-228
-32% -$5.55K ﹤0.01% 1905
2015
Q3 		$15K Sell
714
-110
-13% -$2.2K ﹤0.01% 1975
2015
Q2 		$19K Sell
824
-710
-46% -$17.7K ﹤0.01% 2137
2015
Q1 		$40K Buy
1,534
+916
+148% +$24.7K ﹤0.01% 1653
2014
Q4 		$16K Sell
618
-1,268
-67% -$32.3K ﹤0.01% 1756
2014
Q3 		$51K Buy
1,886
+1,816
+2,594% +$51.1K 0.01% 1518
2014
Q2 		$2K Sell
70
-298
-81% -$8.33K ﹤0.01% 3438
2014
Q1 		$12K Sell
368
-244
-40% -$7.4K ﹤0.01% 2434
2013
Q4 		$17K Sell
612
-6,644
-92% -$179K ﹤0.01% 2509
2013
Q3 		$196K Buy
7,256
+6,906
+1,973% +$179K 0.02% 764
2013
Q2 		$7K Buy
+350
New +$7.29K ﹤0.01% 2694

Other funds holding POWI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Tower Research Capital (TRC)'s POWI Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Power Integrations (POWI) stake by 775% in Q1 2026, buying an estimated $165K and bringing the position to 4,068 shares worth $208K. The position accounts for 0.01% of the portfolio, ranked #1584.

Tower Research Capital (TRC) first reported a position in POWI in Q2 2013 and has held it in 44 quarters since. The position peaked at $2.16M in Q3 2020. 308 funds tracked by Wall St. Rank hold POWI as of Q1 2026.

  • Tower Research Capital (TRC) held 4,068 shares of Power Integrations worth $208K as of Q1 2026.
  • Tower Research Capital (TRC) bought 3,603 Power Integrations shares in Q1 2026, an estimated $165K.
  • Power Integrations made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1584 holding.
  • Tower Research Capital (TRC) first reported a position in Power Integrations in Q2 2013 and has held it in 44 quarters since.
  • Tower Research Capital (TRC)'s Power Integrations position peaked at $2.16M in Q3 2020.
  • 308 funds tracked by Wall St. Rank held Power Integrations as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.