California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Impinj PI Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$3.48M Buy
33,902
+7,678
+29% +$1.02M ﹤0.01% 1226
2025
Q4 		$4.56M Buy
26,224
+1,650
+7% +$294K ﹤0.01% 976
2025
Q3 		$4.44M Sell
24,574
-2,870
-10% -$453K ﹤0.01% 994
2025
Q2 		$3.05M Buy
27,444
+395
+1% +$39.3K ﹤0.01% 1132
2025
Q1 		$2.45M Buy
27,049
+4,769
+21% +$534K ﹤0.01% 1225
2024
Q4 		$3.24M Buy
22,280
+40
+0.2% +$7.58K ﹤0.01% 1116
2024
Q3 		$4.82M Sell
22,240
-638
-3% -$108K 0.01% 932
2024
Q2 		$3.59M Sell
22,878
-156
-0.7% -$23.2K ﹤0.01% 1035
2024
Q1 		$2.96M Sell
23,034
-1,142
-5% -$120K ﹤0.01% 1176
2023
Q4 		$2.18M Sell
24,176
-915
-4% -$65.7K ﹤0.01% 1388
2023
Q3 		$1.38M Sell
25,091
-2,124
-8% -$144K ﹤0.01% 1609
2023
Q2 		$2.44M Sell
27,215
-122
-0.4% -$13K ﹤0.01% 1377
2023
Q1 		$3.7M Sell
27,337
-166
-0.6% -$21.2K 0.01% 1105
2022
Q4 		$3M Buy
27,503
+639
+2% +$67.3K ﹤0.01% 1235
2022
Q3 		$2.15M Sell
26,864
-96
-0.4% -$8K ﹤0.01% 1389
2022
Q2 		$1.58M Buy
26,960
+3,350
+14% +$168K ﹤0.01% 1642
2022
Q1 		$1.5M Sell
23,610
-2,096
-8% -$151K ﹤0.01% 1804
2021
Q4 		$2.28M Buy
25,706
+880
+4% +$63.9K ﹤0.01% 1662
2021
Q3 		$1.42M Sell
24,826
-891
-3% -$45.5K ﹤0.01% 1928
2021
Q2 		$1.33M Sell
25,717
-135
-0.5% -$6.95K ﹤0.01% 2024
2021
Q1 		$1.47M Sell
25,852
-78
-0.3% -$4.59K ﹤0.01% 1909
2020
Q4 		$1.09M Sell
25,930
-8
-0% -$279 ﹤0.01% 1985
2020
Q3 		$683K Hold
25,938
– – ﹤0.01% 2098
2020
Q2 		$713K Hold
25,938
– – ﹤0.01% 2055
2020
Q1 		$433K Buy
25,938
+299
+1% +$8.06K ﹤0.01% 2133
2019
Q4 		$663K Buy
25,639
+2,619
+11% +$81.4K ﹤0.01% 2193
2019
Q3 		$710K Buy
23,020
+274
+1% +$9.57K ﹤0.01% 2131
2019
Q2 		$651K Sell
22,746
-2,260
-9% -$55.2K ﹤0.01% 2209
2019
Q1 		$419K Sell
25,006
-1,073
-4% -$17.8K ﹤0.01% 2404
2018
Q4 		$379K Buy
26,079
+1,232
+5% +$24.2K ﹤0.01% 2450
2018
Q3 		$617K Sell
24,847
-3,783
-13% -$83.5K ﹤0.01% 2334
2018
Q2 		$633K Buy
28,630
+479
+2% +$8.11K ﹤0.01% 2327
2018
Q1 		$367K Sell
28,151
-558
-2% -$9.3K ﹤0.01% 2523
2017
Q4 		$647K Sell
28,709
-134
-0.5% -$3.85K ﹤0.01% 2255
2017
Q3 		$1.2M Sell
28,843
-3,057
-10% -$129K ﹤0.01% 1897
2017
Q2 		$1.55M Buy
31,900
+19,500
+157% +$819K ﹤0.01% 1762
2017
Q1 		$375K Sell
12,400
-200
-2% -$6.29K ﹤0.01% 2632
2016
Q4 		$445K Buy
12,600
+800
+7% +$24.5K ﹤0.01% 2578
2016
Q3 		$442K Buy
+11,800
New +$309K ﹤0.01% 2568

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

California State Teachers Retirement System (CalSTRS)'s PI Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Impinj (PI) stake by 29% in Q1 2026, buying an estimated $1.02M and bringing the position to 33,902 shares worth $3.48M. The position accounts for ﹤0.01% of the portfolio, ranked #1226.

California State Teachers Retirement System (CalSTRS) first reported a position in PI in Q3 2016 and has held it in 39 quarters since. The position peaked at $4.82M in Q3 2024. 290 funds tracked by Wall St. Rank hold PI as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 33,902 shares of Impinj worth $3.48M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 7,678 Impinj shares in Q1 2026, an estimated $1.02M.
  • Impinj made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1226 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Impinj in Q3 2016 and has held it in 39 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Impinj position peaked at $4.82M in Q3 2024.
  • 290 funds tracked by Wall St. Rank held Impinj as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.