PI
Impinj, Inc. Common Stock
Nasdaq · usd
Impinj, Inc. Common Stock (PI) trades at $175.23 (+4.88%) as of 2:22:24 PM EDT on Oct 26, 2026, -2.02% over the past month. Market cap is $5.1B, with 6.6 days to cover in short interest.
Stock performance
How Impinj, Inc. Common Stock (PI) stock has performed from one day to one year, with its 52-week range.
- 1D
- +4.55%
- 1W
- -0.61%
- 1M
- -2.02%
- YTD
- +0.38%
- 1Y
- -26.57%
- 52-wk range
- $87.36 – $245.93
Key statistics
Today's trading snapshot for PI: day range, open, previous close, volume and market cap.
- Day range
- $166.13 – $175.38
- Open
- $168.46
- Prev close
- $167.07
- Volume
- 99.32K
- Market cap
- $5.1B
- Shares out
- 30.55M
Valuation and profitability ratios: P/E, P/S, ROE
Valuation and profitability ratios for Impinj, Inc. Common Stock: P/E, P/S, P/B, ROE and more.
- P/E
- —
- P/S
- 13.74
- P/B
- 22.04
- P/FCF
- 81.04
- ROE
- -11.7%
- ROA
- -5.1%
- Debt/Equity
- 1.04
- Div yield
- 0.00%
As of Oct 23, 2026
8-K filings
Material corporate events Impinj, Inc. Common Stock has disclosed to the SEC on Form 8-K.
- Warrant or conversionSep 11, 2026
The Company agreed to exchange approximately $56.5 million in cash and approximately 188,451 shares of common stock based on the Reference Price for $56.3 million in aggregate principal amount of the outstanding 1.125% Convertible Senior Notes due 2027. The shares are issued in connection with the exchange of convertible notes, although the filing describes an exchange transaction rather than a conventional conversion or warrant exercise.
- Quarterly earningsApr 29, 2026
On April 29, 2026, Impinj, Inc. (the "Company") issued a press release announcing its financial results for the first quarter ended March 31, 2026. A copy of the press release, entitled "Impinj Reports First Quarter 2026 Financial Results" is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein.
- Debt retirementMar 16, 2026
Impinj entered into separate, privately negotiated repurchase agreements with certain holders of its 1.125% Convertible Notes due 2027 (the "Notes") to repurchase for cash (the "Repurchases") approximately $40.2 million aggregate principal amount of the Notes for a total repurchase cost (including accrued and unpaid interest) of approximately $47.2 million.
- Preliminary resultsJan 13, 2026
On January 13, 2026, Impinj, Inc. (the "Company") issued a press release announcing certain preliminary unaudited financial information for the fourth quarter ended December 31, 2025... The Company's actual results for the fourth quarter ended December 31, 2025 are still being finalized; therefore, such preliminary unaudited financial information is subject to further review and actual results could differ materially from management's expectations.
- Executive compensation changeDec 22, 2025
On December 19, 2025, Impinj, Inc. entered into a Second Amendment to Employment Agreement with Chris Diorio, Ph.D., the Company's Chief Executive Officer, which modifies Dr. Diorio's eligibility for severance payments and benefits in the event of certain qualifying terminations of employment.
PI short interest
How heavily PI is shorted: shares short, days to cover and average daily volume.
- Days to cover
- 6.6
- Short interest
- 2.7M
- Avg volume
- 410.04K
As of · reported to FINRA twice monthly.
PI news
The latest news and headlines about Impinj, Inc. Common Stock (PI).
- Large Impinj Investor Trims Position by $11.3 MillionneutralThe Motley Fool· Jun 5, 2026
- This Fund Bet $20 Million on an IoT Stock Last Quarter. Shares Have Tanked Nearly 50% This YearnegativeThe Motley Fool· Mar 12, 2026
- The Security Reset: Why Protecting Infrastructure is Driving a New Growth CyclepositiveBenzinga· Jan 22, 2026
- Top 5 Stocks To Own In 2026: Dan Niles Bets On Apple, Cisco, Boeing And MorepositiveBenzinga· Jan 21, 2026
- Why Impinj Stock Dropped TodaynegativeThe Motley Fool· Jan 14, 2026
Frequently asked questions
What is the Impinj, Inc. Common Stock (PI) stock price today?
Impinj, Inc. Common Stock (PI) is trading at $175.23 (+4.88% on the day) as of 2:22:24 PM EDT on Oct 26, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.
What is Impinj, Inc. Common Stock?
Impinj Inc operates a platform that enables wireless connectivity to everyday items by delivering each item's identity, location, and authenticity to business and consumer applications.
What is the short interest in PI?
As of Sep 30, 2026, PI has 2.7M shares short and 6.6 days to cover.
What exchange is PI listed on?
Impinj, Inc. Common Stock (PI) trades on Nasdaq in USD, in the ELECTRONIC COMPONENTS, NEC industry.
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