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
2025 Q3	–	Sell	-6,500	Closed	-$1.02M	–	209
2025 Q2	$722K	Buy	+6,500	New	+$646K	0.02%	132
2023 Q2	–	Sell	-109,084	Closed	-$11.6M	–	165
2023 Q1	$14.8M	Sell	109,084 -79,917	-42%	-$10.2M	0.61%	57
2022 Q4	$20.6M	Buy	189,001 +60,063	+47%	+$6.33M	1.3%	34
2022 Q3	$10.3M	Buy	+128,938	New	+$10.7M	0.53%	62

Other funds holding PI

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Sylebra Capital Palo Alto, California $774M AUM 56.69% 1-Year Est. Return

WRCM

Whale Rock Capital Management Boston, Massachusetts $7.74B AUM 180.85% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Summit Partners Public Asset Management's PI Position: Q3 2025 in Review

Summit Partners Public Asset Management sold out of Impinj (PI) in Q3 2025, closing a stake of 6,500 shares — an estimated $1.02M sold.

Summit Partners Public Asset Management first reported a position in PI in Q3 2022 and held it in 4 quarters. The position peaked at $20.6M in Q4 2022. 322 funds tracked by Wall St. Rank hold PI as of Q3 2025.

Summit Partners Public Asset Management reported no remaining Impinj position as of Q3 2025 after selling out during the quarter.
Summit Partners Public Asset Management sold 6,500 Impinj shares in Q3 2025, an estimated $1.02M.
Summit Partners Public Asset Management first reported a position in Impinj in Q3 2022 and held it in 4 quarters.
Summit Partners Public Asset Management's Impinj position peaked at $20.6M in Q4 2022.
322 funds tracked by Wall St. Rank held Impinj as of Q3 2025.

Based on Summit Partners Public Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.