Impinj Inc (PI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

28,475,000Shares Outstanding

2,698,941Shares held by institutions

$340,417,428Value of institutional holdings

101.01%Institutional ownership %

5.14%Shares Changed QoQ

305No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Impinj Inc (NASDAQ:PI) is held by 305 institutional firms.

The percentage of Impinj owned by institutions changed from 149.3% in September 2025 to 101.0% in December 2025, marking a slight down trend.
In percentage terms, this reflects as a holdings change of 5.14% quarter on quarter, and a decrease of 3.48% year over year.
A review of institutional activity for Impinj shows 172 of 305 filers increasing their positions, while 90 reduced their stake, and 43 remained unchanged.
The total number of shares held by institutions in Impinj increased to 28.76Mn as of December 2025, a net change of up by 1.41Mn shares quarter on quarter, and down 2.07Mn shares year over year.
The top institutional stake in Impinj as of December 31, 2025 belongs to FMR LLC, which owns 4.50Mn shares, or 15.80% of the company.
Among the most significant buyers of Impinj during 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).
Leading sellers of Impinj stock in December 2025 included MORGAN STANLEY (408.95K), Whale Rock Capital Management LLC (337.31K), JANUS HENDERSON GROUP PLC (230.50K), T. Rowe Price Investment Management, Inc. (151.66K), ROYAL BANK OF CANADA (89.52K).
The top 10 institutional holders of Impinj for the quarter ending December 2025 included FMR LLC (4.50Mn), BlackRock, Inc. (4.27Mn), VANGUARD GROUP INC (3.47Mn), Capital International Investors (1.56Mn), STATE STREET CORP (1.28Mn), Whale Rock Capital Management LLC (887.27K), AMERIPRISE FINANCIAL INC (841.06K), Capital World Investors (754.35K), DRIEHAUS CAPITAL MANAGEMENT LLC (737.47K), Chevy Chase Trust Holdings, LLC (681.91K).

305 Institutional Holders

2,698,941 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
STATE STREET CORP	31 Dec, 2025	1,276,893	124,792	10.83%	$222,192,151.00
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
UBS Group AG	31 Dec, 2025	471,092	120,442	34.35%	$81,974,719.00
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
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
GOLDMAN SACHS GROUP INC	31 Dec, 2025	286,364	18,522	6.92%	$49,830,250.00
MORGAN STANLEY	31 Dec, 2025	271,748	-408,954	-60.08%	$47,287,095.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	266,040	9,882	3.86%	$46,293,620.00
JENNISON ASSOCIATES LLC	31 Dec, 2025	242,504	-5,041	-2.04%	$42,198,124.00

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