Impinj PI Institutional Ownership

NASDAQ PI

$174.39 +1.30 (+0.75%)

As of: Sep 15, 2026 · 3:59 PM EDT

Institutions by Trading Activity

317 Institutions

Increased 187 59.0%

Unchanged 44 13.9%

Reduced 86 27.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

108.41%

▲+3.34 pp QoQ

Shares Held by Institutions

33.04Mn

of 30.48Mn outstanding

▲+8.40% QoQ

Shares Outstanding

30.48Mn

-2.56Mn held outside 13F filers

Institutional Investors

317

filed 13F for Jun 2026

▲+28 vs prior quarter

Net Shares Added (QoQ)

+2.56Mn

accumulated since last quarter

Value of Holdings

$5.84Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Impinj Inc (NASDAQ:PI) appears in 317 institutional 13F filings for the quarter ending June 2026.

They owned 108.4% of outstanding stock in June 2026, up from 105.1% the prior quarter.
Their total shares held in PI increased 8.4% from the prior quarter, while the number of investors in Impinj increased 9.31% year over year.
Of these 317 funds, 187 grew their exposure to Impinj, 86 cut back, and 44 maintained positions.
The aggregate institutional position in Impinj amounted to 33.04Mn shares as of June 2026, up by 2.56Mn shares quarter on quarter, and down 9.66Mn shares year over year.
As of June 30, 2026, FMR LLC held the largest stake in Impinj with 4.56Mn shares, accounting for 14.97% of total shares outstanding.
The largest buyers of Impinj for the quarter ending June 2026 were MILLENNIUM MANAGEMENT LLC (732.11K), Broad Bay Capital Management, LP (328.7K), FMR LLC (282.25K), Sixth Street Partners Management Company, L.P. (277.54K), WESTFIELD CAPITAL MANAGEMENT CO LP (270.65K).
The largest sellers of Impinj for the quarter ending June 2026 were UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (413.11K), SYLEBRA CAPITAL LLC (356.21K), Ameriprise Financial Inc (327.36K), T. Rowe Price Investment Management, Inc. (107.13K), UBS Group AG (103.66K).
Business Quant data shows the 10 biggest positions in Impinj as of June 2026 are held by FMR LLC (4.56Mn), BlackRock, Inc. (4.45Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.19Mn), State Street Corp (1.7Mn), Capital International Investors (1.44Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.28Mn), Capital World Investors (1.12Mn), MILLENNIUM MANAGEMENT LLC (834.38K), AMERICAN CENTURY COMPANIES INC (804.34K), SYLEBRA CAPITAL LLC (775.94K).

Form 13F Holdings

317 Institutional Holders

Report period 30 Jun, 2026

Total shares held 33.04Mn

Of outstanding 108.41%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	4,562,799	14.97%	▲282,246	+6.59%	$653.53Mn
2	BlackRock, Inc.	0002012383	4,449,389	14.60%	▲135,885	+3.15%	$637.29Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,194,236	7.20%	▲54,078	+2.53%	$314.28Mn
4	State Street Corp	0000093751	1,700,585	5.58%	▲215,717	+14.53%	$243.57Mn
5	Capital International Investors	0001562230	1,443,452	4.74%	▲91,072	+6.73%	$206.75Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,282,667	4.21%	▲16,957	+1.34%	$183.72Mn
7	Capital World Investors	0001422849	1,124,066	3.69%	▲108,014	+10.63%	$161.00Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	834,376	2.74%	▲732,108	+715.87%	$119.51Mn
9	AMERICAN CENTURY COMPANIES INC	0000748054	804,335	2.64%	▼13,657	-1.67%	$115.21Mn
10	SYLEBRA CAPITAL LLC	0002003074	775,943	2.55%	▼356,209	-31.46%	$111.14Mn
11	Chevy Chase Trust Holdings, LLC	0001462020	737,138	2.42%	▲8,743	+1.20%	$105.58Mn
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	733,594	2.41%	▲51,626	+7.57%	$105.09Mn
13	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	669,324	2.20%	▲243,379	+57.14%	$95.87Mn
14	Ameriprise Financial Inc	0000820027	530,926	1.74%	▼327,355	-38.14%	$76.04Mn
15	UBS Group AG	0001610520	414,418	1.36%	▼103,656	-20.01%	$59.36Mn
16	Point72 Asset Management, L.P.	0001603466	408,333	1.34%	▲119,202	+41.23%	$58.49Mn
17	Whale Rock Capital Management LLC	0001387322	405,244	1.33%	0	0.00%	$58.04Mn
18	Goldman Sachs Group Inc	0000886982	388,783	1.28%	▲114,063	+41.52%	$55.69Mn
19	Morgan Stanley	0000895421	360,534	1.18%	▲89,057	+32.80%	$51.64Mn
20	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	357,059	1.17%	▲51,330	+16.79%	$51.14K

Showing 1 to 20 of 317 holders