IMPINJ INC

PINASDAQ

$189.61+5.74 (+3.12%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

IMPINJ INC price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+3.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
FMR LLC	14.94%	$654M	0.03%	Not reported
BlackRock, Inc.	14.56%	$637M	0.01%	Not reported
Vanguard Portfolio Management LLC	7.18%	$314M	0.01%	Not reported
State Street Corp	5.57%	$244M	0.01%	Not reported
Capital International Investors	4.72%	$207M	0.04%	Add 6.73%
Vanguard Capital Management LLC	4.20%	$184M	0.00%	Not reported
Capital World Investors	3.68%	$161M	0.02%	Add 10.63%
Millennium Management LLC	2.73%	$120M	0.04%	Not reported
American Century Companies Inc	2.63%	$115M	0.05%	Not reported
Sylebra Capital LLC	2.54%	$111M	11.77%	Reduce 31.46%
Chevy Chase Trust Holdings, LLC	2.41%	$106M	0.27%	Not reported
Geode Capital Management, LLC	2.40%	$105M	0.01%	Not reported
Manufacturers Life Insurance Company, the	2.19%	$95.9M	0.07%	Not reported
Ameriprise Financial Inc	1.74%	$76M	0.02%	Not reported
UBS Group AG	1.36%	$59.4M	0.01%	Not reported
Point72 Asset Management, L.P.	1.34%	$58.5M	0.06%	Not reported
Whale Rock Capital Management LLC	1.33%	$58M	0.47%	Not reported
Goldman Sachs Group Inc	1.27%	$55.7M	0.00%	Not reported
Morgan Stanley	1.18%	$51.6M	0.00%	Not reported
Nuveen, LLC	1.14%	$49.8M	0.01%	Not reported
Broad Bay Capital Management, LP	1.08%	$47.1M	4.40%	New Not reported
Northern Trust Corp	1.05%	$45.8M	0.01%	Not reported
William Blair Investment Management, LLC	0.97%	$42.5M	0.13%	Add 15.85%
Charles Schwab Investment Management Inc	0.91%	$39.8M	0.01%	Not reported
Westfield Capital Management Co LP	0.89%	$38.8M	0.13%	New Not reported
Royce & Associates LP	0.66%	$29.1M	0.23%	Not reported
Vanguard Fiduciary Trust Co	0.65%	$28.3M	0.01%	Not reported
T. Rowe Price Investment Management, Inc.	0.63%	$27.6M	0.02%	Reduce 35.70%
Norges Bank	0.61%	$26.7M	0.00%	Not reported
Rockefeller Capital Management L.P.	0.59%	$26M	0.04%	Not reported
Emerald Advisers, LLC	0.58%	$25.3M	0.60%	Reduce 2.66%
Voya Investment Management LLC	0.56%	$24.4M	0.02%	Not reported
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	0.54%	$23.6M	0.02%	Add 2.41%
Bank of New York Mellon Corp	0.53%	$23.2M	0.00%	Not reported
Fred Alger Management, LLC	0.52%	$22.9M	0.08%	Reduce 25.60%
Raymond James Financial Inc	0.51%	$22.4M	0.01%	Not reported
Baillie Gifford & Co	0.51%	$22.3M	0.02%	Reduce 10.42%
Aberdeen Group plc	0.50%	$22M	0.03%	Reduce 1.44%
Principal Financial Group Inc	0.43%	$19M	0.01%	Not reported
Squarepoint Ops LLC	0.38%	$16.7M	0.02%	Not reported
Fiera Capital Corp	0.38%	$16.6M	0.06%	Reduce 42.88%
Emerald Mutual Fund Advisers Trust	0.36%	$15.9M	0.56%	Not reported
Tidal Investments LLC	0.36%	$15.8M	0.03%	Add 15.80%
Jennison Associates LLC	0.35%	$15.1M	0.01%	Reduce 2.98%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.34%	$15M	0.00%	Not reported
Deutsche Bank Ag\	0.34%	$14.9M	0.00%	Not reported
JPMorgan Chase & Co	0.33%	$13.8M	0.00%	Not reported
Bank of America Corp	0.31%	$13.7M	0.00%	Not reported
Public Sector Pension Investment Board	0.30%	$13.3M	0.03%	Reduce 3.46%
Invesco Ltd.	0.30%	$13.3M	0.00%	Not reported

50 of 297 holders

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