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Fox Run Management’s Impinj PI Stock Holding History

Fox Run Management’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
-1,961
Closed -$354K – 1179
2025
Q3 		$354K Buy
+1,961
New +$309K 0.06% 622
2025
Q1 		– Sell
-6,340
Closed -$921K – 1151
2024
Q4 		$921K Buy
+6,340
New +$1.2M 0.17% 182
2023
Q4 		– Sell
-7,652
Closed -$421K – 959
2023
Q3 		$421K Sell
7,652
-855
-10% -$58K 0.12% 323
2023
Q2 		$763K Buy
+8,507
New +$906K 0.21% 156
2023
Q1 		– Sell
-4,908
Closed -$536K – 866
2022
Q4 		$536K Buy
+4,908
New +$517K 0.22% 152

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

Fox Run Management's PI Position: Q4 2025 in Review

Fox Run Management sold out of Impinj (PI) in Q4 2025, closing a stake of 1,961 shares — an estimated $354K sold.

Fox Run Management first reported a position in PI in Q4 2022 and held it in 5 quarters. The position peaked at $921K in Q4 2024. 328 funds tracked by Wall St. Rank hold PI as of Q4 2025.

  • Fox Run Management reported no remaining Impinj position as of Q4 2025 after selling out during the quarter.
  • Fox Run Management sold 1,961 Impinj shares in Q4 2025, an estimated $354K.
  • Fox Run Management first reported a position in Impinj in Q4 2022 and held it in 5 quarters.
  • Fox Run Management's Impinj position peaked at $921K in Q4 2024.
  • 328 funds tracked by Wall St. Rank held Impinj as of Q4 2025.

Based on Fox Run Management's 13F filing for Q4 2025, filed 11 Feb 2026.