State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Impinj PI Stock Holding History

State of Wisconsin Investment Board’s Portfolio PI Stock Details PI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$5.77M Sell
56,223
-3,042
-5% -$405K 0.01% 924
2025
Q4 		$10.3M Buy
59,265
+4,659
+9% +$830K 0.02% 663
2025
Q3 		$9.87M Sell
54,606
-7,095
-11% -$1.12M 0.02% 649
2025
Q2 		$6.85M Buy
61,701
+1,430
+2% +$142K 0.02% 812
2025
Q1 		$5.47M Buy
60,271
+5,488
+10% +$615K 0.01% 884
2024
Q4 		$7.96M Buy
54,783
+12,201
+29% +$2.31M 0.02% 759
2024
Q3 		$9.22M Sell
42,582
-302
-0.7% -$51.2K 0.02% 693
2024
Q2 		$6.72M Sell
42,884
-5,466
-11% -$812K 0.02% 808
2024
Q1 		$6.21M Sell
48,350
-9,640
-17% -$1.01M 0.02% 875
2023
Q4 		$5.22M Buy
57,990
+15,225
+36% +$1.09M 0.01% 960
2023
Q3 		$2.35M Buy
42,765
+418
+1% +$28.4K 0.01% 1204
2023
Q2 		$3.8M Buy
42,347
+10,683
+34% +$1.14M 0.01% 1095
2023
Q1 		$4.29M Sell
31,664
-348
-1% -$44.4K 0.01% 1045
2022
Q4 		$3.5M Sell
32,012
-1,308
-4% -$138K 0.01% 1126
2022
Q3 		$2.67M Sell
33,320
-17,357
-34% -$1.45M 0.01% 1249
2022
Q2 		$2.97M Sell
50,677
-28,523
-36% -$1.43M 0.01% 1248
2022
Q1 		$5.03M Sell
79,200
-4,300
-5% -$311K 0.01% 1143
2021
Q4 		$7.41M Sell
83,500
-18,500
-18% -$1.34M 0.01% 897
2021
Q3 		$5.83M Hold
102,000
– – 0.01% 990
2021
Q2 		$5.26M Hold
102,000
– – 0.01% 1033
2021
Q1 		$5.8M Sell
102,000
-13,800
-12% -$813K 0.01% 961
2020
Q4 		$4.85M Sell
115,800
-4,600
-4% -$160K 0.01% 992
2020
Q3 		$3.17M Buy
120,400
+11,500
+11% +$304K 0.01% 1067
2020
Q2 		$2.99M Buy
108,900
+10,400
+11% +$243K 0.01% 1032
2020
Q1 		$1.65M Buy
98,500
+17,900
+22% +$483K 0.01% 1105
2019
Q4 		$2.08M Buy
+80,600
New +$2.51M 0.01% 1134

Other funds holding PI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SC
Sylebra Capital Palo Alto, California $774M AUM 56.69% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

State of Wisconsin Investment Board's PI Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Impinj (PI) stake by 5.1% in Q1 2026, selling an estimated $405K and leaving 56,223 shares worth $5.77M. The position accounts for 0.01% of the portfolio, ranked #924.

State of Wisconsin Investment Board first reported a position in PI in Q4 2019 and has held it in 26 quarters since. The position peaked at $10.3M in Q4 2025. 290 funds tracked by Wall St. Rank hold PI as of Q1 2026.

  • State of Wisconsin Investment Board held 56,223 shares of Impinj worth $5.77M as of Q1 2026.
  • State of Wisconsin Investment Board sold 3,042 Impinj shares in Q1 2026, an estimated $405K.
  • Impinj made up 0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #924 holding.
  • State of Wisconsin Investment Board first reported a position in Impinj in Q4 2019 and has held it in 26 quarters since.
  • State of Wisconsin Investment Board's Impinj position peaked at $10.3M in Q4 2025.
  • 290 funds tracked by Wall St. Rank held Impinj as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.