Impinj PI Institutional Ownership

NASDAQ PI

$160.95 -4.59 (-2.77%)

As of: Aug 24, 2026 · 3:59 PM EDT

Institutions by Trading Activity

287 Institutions

Increased 171 59.6%

Unchanged 36 12.5%

Reduced 80 27.9%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

105.06%

▼-3.36 pp QoQ

Shares Held by Institutions

31.82Mn

of 30.29Mn outstanding

▲+19.77% QoQ

Shares Outstanding

30.29Mn

-1.53Mn held outside 13F filers

Institutional Investors

287

filed 13F for Mar 2026

▼-33 vs prior quarter

Net Shares Added (QoQ)

+5.25Mn

accumulated since last quarter

Value of Holdings

$5.35Bn

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 31 Mar, 2026

Impinj Inc (NASDAQ:PI) showed up in the 13F filings of 287 institutional investors as of March 2026.

These investors held 105.1% of outstanding shares in March 2026, down from 108.4% in December 2025.
They increased total shares held in PI by 19.77% quarter over quarter, and investors in Impinj increased 3.24% from a year ago.
During the quarter, 171 of these 287 funds increased positions in PI, 80 reduced exposure, and 36 held steady.
Institutional investors collectively held 31.82Mn shares in Impinj as of March 2026, up by 5.25Mn shares quarter on quarter, and down 1.5Mn shares year over year.
BlackRock, Inc. is the top holder of Impinj as of March 31, 2026, with 4.31Mn shares representing 14.24% of outstanding stock.
The most significant purchases of PI for the quarter ending March 2026 came from VANGUARD PORTFOLIO MANAGEMENT LLC (2.14Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.27Mn), Alyeska Investment Group, L.P. (734.79K), MANUFACTURERS LIFE INSURANCE COMPANY, THE (409.18K), PRICE T ROWE ASSOCIATES INC /MD/ (305.73K).
Top sellers of PI stock for the quarter ending March 2026 included Invesco Ltd. (1.2Mn), Whale Rock Capital Management LLC (482.03K), Goldman Sachs Group Inc (298.01K), FMR LLC (219.53K), Capital International Investors (211.87K).
Per Business Quant, the top 10 investors in PI for the quarter ending March 2026 include BlackRock, Inc. (4.31Mn), FMR LLC (4.28Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.14Mn), State Street Corp (1.48Mn), Capital International Investors (1.35Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.27Mn), SYLEBRA CAPITAL LLC (1.13Mn), Capital World Investors (1.02Mn), Ameriprise Financial Inc (858.28K), AMERICAN CENTURY COMPANIES INC (817.99K).

Form 13F Holdings

287 Institutional Holders

Report period 31 Mar, 2026

Total shares held 31.82Mn

Of outstanding 105.06%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	4,313,504	14.24%	▲46,535	+1.09%	$443.00Mn
2	FMR LLC	0000315066	4,280,553	14.13%	▼219,531	-4.88%	$439.61Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,140,158	7.07%	▲2,140,158	0.00%	$219.79Mn
4	State Street Corp	0000093751	1,484,868	4.90%	▲207,975	+16.29%	$152.50Mn
5	Capital International Investors	0001562230	1,352,380	4.46%	▼211,871	-13.54%	$138.89Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,265,710	4.18%	▲1,265,710	0.00%	$129.99Mn
7	SYLEBRA CAPITAL LLC	0002003074	1,132,152	3.74%	0	0.00%	$116.27Mn
8	Capital World Investors	0001422849	1,016,052	3.35%	▲261,706	+34.69%	$104.35Mn
9	Ameriprise Financial Inc	0000820027	858,281	2.83%	▲17,221	+2.05%	$88.15Mn
10	AMERICAN CENTURY COMPANIES INC	0000748054	817,992	2.70%	▲138,407	+20.37%	$84.01Mn
11	Alyeska Investment Group, L.P.	0001453072	734,787	2.43%	▲734,787	0.00%	$75.46Mn
12	Chevy Chase Trust Holdings, LLC	0001462020	728,395	2.40%	▲46,480	+6.82%	$74.81Mn
13	GEODE CAPITAL MANAGEMENT, LLC	0001214717	681,968	2.25%	▲14,321	+2.14%	$70.05Mn
14	UBS Group AG	0001610520	518,074	1.71%	▲189,102	+57.48%	$53.21Mn
15	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	517,826	1.71%	▲167,998	+48.02%	$53.18Mn
16	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	425,945	1.41%	▲409,182	+2,440.98%	$43.74Mn
17	Whale Rock Capital Management LLC	0001387322	405,244	1.34%	▼482,028	-54.33%	$41.62Mn
18	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	305,729	1.01%	▲305,729	0.00%	$31.40K
19	T. Rowe Price Investment Management, Inc.	0001897612	300,080	0.99%	▲104,577	+53.49%	$30.82K
20	Nuveen, LLC	0001871926	297,522	0.98%	▲82,661	+38.47%	$30.56Mn

Showing 1 to 20 of 287 holders