Impinj Inc (PI) stock
Close on Nov 11, 2026Market cap $5.39BP/E –Yield –
Impinj Inc grew revenue 7.7% to $387.55M over the twelve months to Sep 30, 2026. Free cash flow was $65.62M, up 61.0% from a year earlier. At the latest close the market valued the company at $5.39B.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $5.39B
- P/E ratio
- –
- Price to sales
- 13.90
- Price to book
- 17.82
- Dividend yield
- –
- Free cash flow yield
- 1.22%
Fundamentals
- Revenue
- $387.55M
- Net income
- -$9.50M
- EPS, diluted
- -$0.33
- Free cash flow
- $65.62M
- Book value per share
- $9.60
- Diluted shares
- 31M
Trading
- Next earnings
- Feb 4, 2027 (estimated, after the close)
- Previous close
- $171.81
- Open
- $178.96
- Day's range
- $172.04 – $178.96
- Volume
- 185,208
- Average volume (20 days)
- 441,091
- Index membership
- S&P SmallCap 600 (since Nov 2024), Russell 2000, Russell 3000
- Beta (5 years)
- 2.02
- 52-week range
- $87.36 – $215.25
- RSI (14 days)
- 48.5
- Volatility (1 year)
- 68.3%
- Relative volume
- 0.44×
- WACC
- 14.6%
Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2016, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | PI | S&P 500 | Difference | PI per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -7.9% | -2.4% | −5.5 pts | ||
| 3 months | +0.2% | -1.2% | +1.4 pts | ||
| Year to date | +0.3% | +12.3% | −12.0 pts | ||
| 1 year | +12.5% | +12.4% | +0.1 pts | ||
| 3 years | +143.3% | +78.8% | +64.5 pts | +34.5% | +21.4% |
| 5 years | +133.1% | +75.2% | +57.9 pts | +18.4% | +11.9% |
| 10 years | +467.3% | +311.1% | +156.2 pts | +19.0% | +15.2% |
Thirteen years at a glance
Fiscal years 2013 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Impinj filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- News
- Results
- Results
- News
- Results
About Impinj
Electronic Components, NEC
Impinj, Inc. designs and sells a platform that provides wireless item-to-cloud connectivity using RAIN RFID technology. The company develops endpoint integrated circuits, reader ICs, and systems that enable item visibility, tracking, and operational efficiency across multiple industries. Its solutions serve enterprise end users across sectors including retail, supply chain and logistics, food service, airlines, automotive manufacturing, and healthcare. Impinj reaches its market primarily through a global ecosystem of partners, including inlay manufacturers, distributors, and system integrators.
Company profile, executives and historyImpinj stock: common questions
What is Impinj's stock price?
PI closed at $174.56 on Nov 11, 2026, up 1.60% on the day. Over the past 52 weeks it traded between $87.36 and $215.25.
What is Impinj's market cap?
Impinj was worth $5.39B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is PI's P/E ratio?
Impinj lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.33), so it has no meaningful P/E ratio.
How much revenue does Impinj make?
Impinj reported revenue of $387.55M for the twelve months to Sep 30, 2026, up 7.7% from a year earlier.
Does Impinj pay a dividend?
No. Impinj has not paid a cash dividend over the last twelve months.
When does Impinj report earnings next?
Impinj is expected to report Q4 FY2026 results on Feb 4, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has PI stock performed over the past year?
Including dividends, PI returned +12.5% over the past year, against +12.4% for the S&P 500.
How many PI shares are sold short?
2M shares were sold short at the latest FINRA report, 8.27% of the float, or 4.6 days of average trading volume.
Who are Impinj's competitors?
Companies most similar to Impinj by business, industry and size include NLST, NSYS, INDI, AMBA, SLAB.
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