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Summit Partners Public Asset Management’s Impinj PI Stock Holding History

Summit Partners Public Asset 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
2026
Q2 		$4.3M Buy
+30,000
New +$3.91M 0.08% 141
2023
Q3 		– Sell
-101,000
Closed -$9.05M – 166
2023
Q2 		$9.05M Buy
+101,000
New +$10.8M 0.34% 84

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 Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
SC
Sylebra Capital Palo Alto, California $945M AUM 22.34% 1-Year Est. Return

Summit Partners Public Asset Management's PI Position: Q2 2026 in Review

Summit Partners Public Asset Management opened a new position in Impinj (PI) in Q2 2026: 61,500 shares worth $8.81M. The stake represents 0.15% of the portfolio and ranks #112 among its holdings. This is a return to the name: Summit Partners Public Asset Management previously reported a position in PI as recently as Q2 2025.

Summit Partners Public Asset Management first reported a position in PI in Q3 2022 and has held it in 5 quarters since. The position peaked at $20.6M in Q4 2022. 316 funds tracked by Wall St. Rank hold PI as of Q2 2026.

  • Summit Partners Public Asset Management held 61,500 shares of Impinj worth $8.81M as of Q2 2026.
  • Impinj was a new Summit Partners Public Asset Management position in Q2 2026.
  • Impinj made up 0.15% of Summit Partners Public Asset Management's portfolio in Q2 2026, its #112 holding.
  • Summit Partners Public Asset Management first reported a position in Impinj in Q3 2022 and has held it in 5 quarters since.
  • Summit Partners Public Asset Management's Impinj position peaked at $20.6M in Q4 2022.
  • 316 funds tracked by Wall St. Rank held Impinj as of Q2 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.