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Impinj Inc

PI
Exchange
Nasdaq
Industry
Electronic Components, NEC
SEC CIK
0001114995

In the last 90 days, Impinj Inc insiders filed 0 open-market purchases and 4 sales; 319 institutions reported holding it in 13F filings for Q2 2026, worth $4.69B in total; Soros Fund Management is the only superinvestor holding it.

Key figures

Market capClose on Nov 10, 2026
$5.30B
Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $18.8M in total
4
13F holdersQ2 2026, +29 vs. previous quarter
319
13F valueReported value at the end of Q2 2026
$4.69B
Superinvestors holdingAt the end of Q2 2026
1

Price chart

From SEC filings, in USD.

Revenue, FY2025
$361.1M
−1.4% year over year
Net income, FY2025
-$10.8M
−126.6% year over year
Free cash flow, FY2025
$45.9M
−58.7% year over year
Revenue, Q3 FY2026
$112.1M
+16.7% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Net loss for FY2025: $10.8M (3.0% of revenue).

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
2.33M
Shares sold short
Change
−165.4K
−6.6% vs. previous
Days to cover
4.59
At average daily volume

Superinvestors holding PI, Q2 2026

Go to the superinvestors tab

1 superinvestor reports holding Impinj Inc on Form 13F. Percentages are the stock's share of each portfolio.

Soros Fund Management

George Soros

<0.1%

Impinj Inc's share of the portfolio

Shares
2,129
Value
$304.9K

Latest insider trades

See all insider trades

Open-market purchases and sales by Impinj Inc insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 5, 2026 (view filing)4:32 PM ETNov 3-42 daysSylebra Capital LLCDirectorSSale−90.2K$184.78−$16.7M−11.6%685.8K after2 lots
Oct 30, 2026 (view filing)5:08 PM ETOct 291 dayRao MeeraDirectorSSale−1.73K$201.60−$348.6K−15.3%9.59K after10b5-1
Sep 21, 2026 (view filing)5:50 PM ETSep 21Same dayBaker CaryCHIEF FINANCIAL OFFICERSSale−8.89K$185.00−$1.65M−10.0%80.4K after10b5-1
Sep 16, 2026 (view filing)4:31 PM ETSep 151 dayWashington MironDirectorSSale−800$173.26−$138.6K−15.5%4.35K after
Aug 12, 2026 (view filing)4:50 PM ETAug 102 daysBaker CaryCHIEF FINANCIAL OFFICERSSale−1.43K$185.00−$264.4K−1.6%88.2K after10b5-1
Jun 10, 2026 (view filing)Jun 8-92 daysSylebra Capital LLCDirectorSSale−64.6K$128.47−$8.30M−7.7%775.9K afterAmended3 lots
Jun 9, 2026 (view filing)Jun 54 daysSylebra Capital LLCDirectorSSale−47.5K$124.06−$5.89M−5.3%840.6K after2 lots
Jun 8, 2026 (view filing)Jun 44 daysSylebra Capital LLCDirectorSSale−33.4K$136.84−$4.57M−3.6%888.1K after
Jun 4, 2026 (view filing)Jun 2-32 daysSylebra Capital LLCDirectorSSale−45.0K$141.87−$6.39M−4.7%921.5K after2 lots
Jun 2, 2026 (view filing)May 29-Jun 14 daysSylebra Capital LLCDirectorSSale−55.7K$149.94−$8.35M−5.4%966.5K after2 lots

Top 10 13F holders, Q2 2026

See all 319 holders

The largest institutional positions in Impinj Inc at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding PI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC4,562,799$653.5M0.03%+282,246+6.6%Added
BlackRock, Inc.4,449,389$637.3M0.01%+135,885+3.2%Added
Vanguard Portfolio Management LLC2,194,236$314.3M0.01%+54,078+2.5%Added
State Street Corp1,700,585$243.6M0.01%+215,717+14.5%Added
Capital International Investors1,443,452$206.7M0.04%+91,072+6.7%Added
Vanguard Capital Management LLC1,282,667$183.7M0.00%+16,957+1.3%Added
Capital World Investors1,124,066$161.0M0.02%+108,014+10.6%Added
Millennium Management LLC834,376$119.5M0.08%+732,108+715.9%Added
American Century Companies Inc804,335$115.2M0.05%−13,657−1.7%Reduced
Sylebra Capital LLC775,943$111.1M11.77%−356,209−31.5%Reduced

Holders of 5% or more of PI

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Impinj Inc.

Largest holders of PI from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A14.70%4.50M shares–Oct 7, 20242 filingsOct 27, 2026SEC
Vanguard Portfolio Management LLC13G7.15%2.16M sharesNewApr 29, 20261 filingApr 29, 2026SEC
State Street Corp13G5.60%1.70M sharesNewAug 7, 20261 filingAug 7, 2026SEC

2 members of Congress reported 8 trades in Impinj Inc since 2020. Newest filings:

  1. Marjorie Taylor Greene

    House · GA · May 19, 2025

    Buy$1K-$15K

  2. Marjorie Taylor Greene

    House · GA · May 6, 2025

    Buy$1K-$15K

  3. Marjorie Taylor Greene

    House · GA · Apr 7, 2025

    Buy$1K-$15K

  4. Marjorie Taylor Greene

    House · GA · Mar 9, 2025

    Buy$1K-$15K

  5. Donald S. Beyer, Jr.

    House · VA · Mar 3, 2022

    Sell$15K-$50K