Acadian Asset Management
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Acadian Asset Management’s Power Integrations POWI Stock Holding History

Acadian Asset Management’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
Q2 		$941K Buy
+11,261
New +$812K ﹤0.01% 1280
2026
Q1 		– Sell
-3,709
Closed -$131K – 2208
2025
Q4 		$131K Sell
3,709
-3,523
-49% -$134K ﹤0.01% 1618
2025
Q3 		$290K Buy
+7,232
New +$349K ﹤0.01% 1329
2024
Q4 		– Sell
-6,313
Closed -$404K – 2045
2024
Q3 		$404K Sell
6,313
-6,315
-50% -$417K ﹤0.01% 1137
2024
Q2 		$885K Buy
+12,628
New +$906K ﹤0.01% 1035
2023
Q3 		– Sell
-8,452
Closed -$800K – 1801
2023
Q2 		$800K Buy
+8,452
New +$706K ﹤0.01% 933
2022
Q1 		– Sell
-2,110
Closed -$195K – 1755
2021
Q4 		$195K Sell
2,110
-7,071
-77% -$694K ﹤0.01% 1244
2021
Q3 		$906K Buy
9,181
+6,786
+283% +$657K ﹤0.01% 876
2021
Q2 		$197K Buy
2,395
+520
+28% +$42K ﹤0.01% 1448
2021
Q1 		$153K Sell
1,875
-27,645
-94% -$2.41M ﹤0.01% 1567
2020
Q4 		$2.42M Sell
29,520
-54,653
-65% -$3.71M 0.01% 708
2020
Q3 		$4.66M Sell
84,173
-45,225
-35% -$2.61M 0.02% 462
2020
Q2 		$7.64M Buy
129,398
+9,622
+8% +$506K 0.03% 385
2020
Q1 		$5.29M Buy
119,776
+75,502
+171% +$3.65M 0.03% 387
2019
Q4 		$2.19M Buy
44,274
+17,976
+68% +$829K 0.01% 655
2019
Q3 		$1.19M Buy
26,298
+26,116
+14,349% +$1.13M 0.01% 842
2019
Q2 		$7K Buy
+182
New +$6.65K ﹤0.01% 1669
2017
Q1 		– Sell
-66,968
Closed -$2.27M – 1723
2016
Q4 		$2.27M Buy
+66,968
New +$2.19M 0.01% 567

Other funds holding POWI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Acadian Asset Management's POWI Position: Q2 2026 in Review

Acadian Asset Management opened a new position in Power Integrations (POWI) in Q2 2026: 11,261 shares worth $941K. The stake represents ﹤0.01% of the portfolio and ranks #1280 among its holdings. This is a return to the name: Acadian Asset Management previously reported a position in POWI as recently as Q4 2025.

Acadian Asset Management first reported a position in POWI in Q4 2016 and has held it in 18 quarters since. The position peaked at $7.64M in Q2 2020. 372 funds tracked by Wall St. Rank hold POWI as of Q2 2026.

  • Acadian Asset Management held 11,261 shares of Power Integrations worth $941K as of Q2 2026.
  • Power Integrations was a new Acadian Asset Management position in Q2 2026.
  • Power Integrations made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1280 holding.
  • Acadian Asset Management first reported a position in Power Integrations in Q4 2016 and has held it in 18 quarters since.
  • Acadian Asset Management's Power Integrations position peaked at $7.64M in Q2 2020.
  • 372 funds tracked by Wall St. Rank held Power Integrations as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.