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Joel Greenblatt’s Impinj PI Stock Holding History

Joel Greenblatt’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
2025
Q4 		– Sell
-1,364
Closed -$247K – 1803
2025
Q3 		$247K Buy
+1,364
New +$215K ﹤0.01% 1558
2025
Q1 		– Sell
-1,497
Closed -$217K – 1633
2024
Q4 		$217K Sell
1,497
-167
-10% -$31.7K ﹤0.01% 1345
2024
Q3 		$360K Buy
+1,664
New +$282K ﹤0.01% 1186
2023
Q2 		– Sell
-2,507
Closed -$340K – 1395
2023
Q1 		$340K Sell
2,507
-3,788
-60% -$483K 0.01% 1092
2022
Q4 		$687K Buy
+6,295
New +$663K 0.02% 799
2022
Q1 		– Sell
-4,100
Closed -$364K – 1215
2021
Q4 		$364K Buy
+4,100
New +$297K 0.01% 893
2020
Q3 		– Sell
-12,851
Closed -$353K – 1112
2020
Q2 		$353K Sell
12,851
-10,002
-44% -$234K 0.01% 829
2020
Q1 		$382K Sell
22,853
-12,021
-34% -$324K 0.01% 772
2019
Q4 		$902K Sell
34,874
-10,501
-23% -$326K 0.02% 648
2019
Q3 		$1.4M Buy
+45,375
New +$1.58M 0.02% 512

Other funds holding PI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
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
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SC
Sylebra Capital Palo Alto, California $945M AUM 22.34% 1-Year Est. Return
WRCM
Whale Rock Capital Management Boston, Massachusetts $12.5B AUM 306.52% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Joel Greenblatt's PI Position: Q4 2025 in Review

Joel Greenblatt sold out of Impinj (PI) in Q4 2025, closing a stake of 1,364 shares — an estimated $247K sold.

Joel Greenblatt first reported a position in PI in Q3 2019 and held it in 10 quarters. The position peaked at $1.4M in Q3 2019. 328 funds tracked by Wall St. Rank hold PI as of Q4 2025.

  • Joel Greenblatt reported no remaining Impinj position as of Q4 2025 after selling out during the quarter.
  • Joel Greenblatt sold 1,364 Impinj shares in Q4 2025, an estimated $247K.
  • Joel Greenblatt first reported a position in Impinj in Q3 2019 and held it in 10 quarters.
  • Joel Greenblatt's Impinj position peaked at $1.4M in Q3 2019.
  • 328 funds tracked by Wall St. Rank held Impinj as of Q4 2025.

Based on Gotham Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.