Impinj Inc (PI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

29,283,000Shares Outstanding

31,708,576Shares held by institutions

$3,751,758,712Value of institutional holdings

108.28%Institutional ownership %

3.35%Shares Changed QoQ

318No. 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.

These investors collectively held 107.0% of Impinj's outstanding shares in December 2025, down from 148.6% in September 2025.
Their total shares held in PI increased 2.39% quarter over quarter, and separately, investors owning Impinj increased 0.32% from a year ago.
Among the 318 funds, 184 bought more Impinj shares, 90 sold down, and 44 held their ground.
The aggregate institutional position in Impinj amounted to 31.33Mn shares as of 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.
The biggest buyers of Impinj for the quarter ending December 2025 included NORGES BANK (317.31K), Goldman Sachs Group Inc (304.89K), AMERICAN CENTURY COMPANIES INC (298.99K), DRIEHAUS CAPITAL MANAGEMENT LLC (222.97K), Ameriprise Financial Inc (173.47K).
The largest sales of PI for the quarter ending December 2025 came from 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).
Impinj's 10 largest shareholders as of 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) per Business Quant data.

318 Institutional Holders

31,708,576 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	4,500,084	161,539	3.72%	$783,059,566.00
BlackRock, Inc.	31 Dec, 2025	4,266,969	168,617	4.11%	$742,495,275.00
VANGUARD GROUP INC	31 Dec, 2025	3,465,949	85,882	2.54%	$603,109,786.00
Capital International Investors	31 Dec, 2025	1,564,251	0	0.00%	$272,195,317.00
Invesco Ltd.	31 Dec, 2025	1,287,879	78,587	6.50%	$224,103,824.00
State Street Corp	31 Dec, 2025	1,276,893	124,792	10.83%	$222,192,151.00
SYLEBRA CAPITAL LLC	31 Dec, 2025	1,132,152	-697,108	-38.11%	$197,005,770.00
Whale Rock Capital Management LLC	31 Dec, 2025	887,272	-337,313	-27.55%	$154,394,201.00
Ameriprise Financial Inc	31 Dec, 2025	841,060	173,468	25.98%	$146,353,171.00
Capital World Investors	31 Dec, 2025	754,346	0	0.00%	$131,263,747.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	737,474	222,974	43.34%	$128,327,851.00
Chevy Chase Trust Holdings, LLC	31 Dec, 2025	681,915	-9,379	-1.36%	$118,660,027.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	679,585	298,992	78.56%	$118,255,014.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	667,647	42,792	6.85%	$116,195,337.00
Goldman Sachs Group Inc	31 Dec, 2025	572,728	304,886	113.83%	$99,660,500.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	349,828	-9,532	-2.65%	$60,873,571.00
UBS Group AG	31 Dec, 2025	328,972	-21,678	-6.18%	$57,244,418.00
NORGES BANK	31 Dec, 2025	317,313	317,313	0.00%	$55,215,635.00
Northern Trust Corp	31 Dec, 2025	288,974	-17,806	-5.80%	$50,284,366.00
Morgan Stanley	31 Dec, 2025	271,748	-408,954	-60.08%	$47,287,095.00

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