State of Michigan Retirement System
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State of Michigan Retirement System’s Power Integrations POWI Stock Holding History

State of Michigan Retirement System’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
2025
Q4 		– Sell
-13,318
Closed -$536K – 952
2025
Q3 		$536K Sell
13,318
-200
-1% -$9.65K ﹤0.01% 922
2025
Q2 		$756K Sell
13,518
-100
-0.7% -$5.13K ﹤0.01% 886
2025
Q1 		$688K Buy
13,618
+200
+1% +$12K ﹤0.01% 900
2024
Q4 		$828K Sell
13,418
-100
-0.7% -$6.36K ﹤0.01% 883
2024
Q3 		$867K Sell
13,518
-200
-1% -$13.2K ﹤0.01% 879
2024
Q2 		$963K Sell
13,718
-200
-1% -$14.4K ﹤0.01% 839
2024
Q1 		$996K Buy
13,918
+300
+2% +$22.4K 0.01% 843
2023
Q4 		$1.12M Sell
13,618
-100
-0.7% -$7.67K 0.01% 797
2023
Q3 		$1.05M Sell
13,718
-400
-3% -$34.2K 0.01% 780
2023
Q2 		$1.34M Sell
14,118
-300
-2% -$25K 0.01% 730
2023
Q1 		$1.22M Sell
14,418
-100
-0.7% -$8.3K 0.01% 751
2022
Q4 		$1.04M Buy
14,518
+100
+0.7% +$7.14K 0.01% 787
2022
Q3 		$927K Sell
14,418
-400
-3% -$29.9K 0.01% 793
2022
Q2 		$1.11M Sell
14,818
-200
-1% -$16.2K 0.01% 757
2022
Q1 		$1.39M Sell
15,018
-282
-2% -$24.6K 0.01% 710
2021
Q4 		$1.42M Buy
+15,300
New +$1.5M 0.01% 744

Other funds holding POWI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Snyder Capital Management
Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return
Disciplined Growth Investors
Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

State of Michigan Retirement System's POWI Position: Q4 2025 in Review

State of Michigan Retirement System sold out of Power Integrations (POWI) in Q4 2025, closing a stake of 13,318 shares — an estimated $536K sold.

State of Michigan Retirement System first reported a position in POWI in Q4 2021 and held it in 16 quarters. The position peaked at $1.42M in Q4 2021. 298 funds tracked by Wall St. Rank hold POWI as of Q4 2025.

  • State of Michigan Retirement System reported no remaining Power Integrations position as of Q4 2025 after selling out during the quarter.
  • State of Michigan Retirement System sold 13,318 Power Integrations shares in Q4 2025, an estimated $536K.
  • State of Michigan Retirement System first reported a position in Power Integrations in Q4 2021 and held it in 16 quarters.
  • State of Michigan Retirement System's Power Integrations position peaked at $1.42M in Q4 2021.
  • 298 funds tracked by Wall St. Rank held Power Integrations as of Q4 2025.

Based on State of Michigan Retirement System's 13F filing for Q4 2025, filed 29 Jan 2026.