Impinj Inc (PI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

3,141,493Shares held by institutions

$301,897,477Value of institutional holdings

144.00%Institutional ownership %

40.04%Shares Changed QoQ

290No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Impinj Inc (NASDAQ:PI) is held by 318 institutional investors per 13F filings through December 2025.

Collectively, these holders controlled 107.0% of Impinj's outstanding shares in December 2025, down from 148.6% in September 2025.
They increased total shares held in Impinj by 2.39% from the prior quarter, while the number of investors in PI increased 0.32% year over year.
Among the 318 funds, 184 bought more Impinj shares, 90 sold down, and 44 held their ground.
Altogether, these fund groups held 31.33Mn shares in PI by December 2025, up by 729.97K shares quarter on quarter, and down 3.96Mn shares year over year.
FMR LLC leads ownership in PI with 4.5Mn shares as of December 31, 2025, equal to 15.37% of outstanding shares.
Leading buyers of Impinj shares for the quarter ending December 2025 were NORGES BANK (317.31K), AMERICAN CENTURY COMPANIES INC (298.99K), DRIEHAUS CAPITAL MANAGEMENT LLC (222.97K), Ameriprise Financial Inc (173.47K), BlackRock, Inc. (168.62K).
The biggest sellers of Impinj for the quarter ending December 2025 included SYLEBRA CAPITAL LLC (697.11K), Morgan Stanley (408.95K), Whale Rock Capital Management LLC (337.31K), Janus Henderson Group Plc (230.5K), Royal Bank Of Canada (89.52K).
Per Business Quant, the top 10 investors in PI for the quarter ending December 2025 include FMR LLC (4.5Mn), BlackRock, Inc. (4.27Mn), VANGUARD GROUP INC (3.47Mn), Capital International Investors (1.56Mn), Invesco Ltd. (1.29Mn), State Street Corp (1.28Mn), SYLEBRA CAPITAL LLC (1.13Mn), Whale Rock Capital Management LLC (887.27K), Ameriprise Financial Inc (841.06K), Capital World Investors (754.35K).

318 Institutional Holders

3,141,493 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	168,617	4.11%	$0.00
FMR LLC	31 Dec, 2025	161,539	3.72%	$0.00
SYLEBRA CAPITAL LLC	31 Dec, 2025	-697,108	-38.11%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	94,152	105.61%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	85,882	2.54%	$0.00
UBS Group AG	31 Dec, 2025	-21,678	-6.18%	$0.00
Barclays Plc	31 Dec, 2025	-35,729	-45.09%	$0.00
Capital International Investors	31 Dec, 2025	0	0.00%	$0.00
Nuveen, LLC	31 Dec, 2025	-34,048	-13.68%	$0.00
Invesco Ltd.	31 Dec, 2025	78,587	6.50%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	11,398	5.68%	$0.00
State Street Corp	31 Dec, 2025	124,792	10.83%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	32,012	19.58%	$0.00
Whale Rock Capital Management LLC	31 Dec, 2025	-337,313	-27.55%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	-2,345	-1.36%	$0.00
Ameriprise Financial Inc	31 Dec, 2025	173,468	25.98%	$0.00
Aperture Investors, LLC	31 Dec, 2025	117,118	0.00%	$0.00
Capital World Investors	31 Dec, 2025	0	0.00%	$0.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	222,974	43.34%	$0.00
Squarepoint Ops LLC	31 Dec, 2025	74,832	0.00%	$0.00

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