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 Q4	–	Sell	-4,000	Closed	-$723K	–	192
2025 Q3	$723K	Buy	+4,000	New	+$631K	0.02%	163
2023 Q1	–	Sell	-92,300	Closed	-$10.1M	–	127
2022 Q4	$10.1M	Sell	92,300 -30,700	-25%	-$3.23M	0.64%	54
2022 Q3	$9.84M	Buy	+123,000	New	+$10.2M	0.51%	66

Other funds holding PI

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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.