Stocks › PI
IMPINJ INC
PI·Nasdaq·
United States·USD
United States·USD$184.16
-1.03 (-0.56%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
PI
IMPINJ INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PIS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of PI by members of U.S. Congress · 9 on record
Whale Activity
Position changes in PI reported for 2026-06-30 by 8 tracked institutional filers
- Increased7
- New0
- Held1
- Decreased0
- Closed0
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 4.4M | $637.3M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $314.3M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $183.7M | increased |
| MILLENNIUM MANAGEMENT LLC | 834.4K | $119.5M | increased |
| Point72 Asset Management, L.P. | 408.3K | $58.5M | increased |
| CITADEL ADVISORS LLC | 62.1K | $8.9M | increased |
| CITADEL ADVISORS LLC | 1.1M | $1.6M | held |
| D. E. Shaw & Co., Inc. | 7,620 | $1.1M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by PI insiders, by quarter · Form 4
Recent Insider Transactions
1,494 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Baker CaryCHIEF FINANCIAL OFFICER | Sale | −8,892 | $185.00 | $1.6M | Sep 21, 2026 | Form 4 ↗ |
| WASHINGTON MIRONDirector · Director | Sale | −800 | $173.26 | $139K | Sep 15, 2026 | Form 4 ↗ |
| Baker CaryCHIEF FINANCIAL OFFICER | Sale | −1,429 | $185.00 | $264K | Aug 10, 2026 | Form 4 ↗ |
| Baker CaryCHIEF FINANCIAL OFFICER | Tax withholding | −424 | $125.22 | $53K | Jun 23, 2026 | Form 4 ↗ |
| Baker CaryCHIEF FINANCIAL OFFICER | Option exercise | +597 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Baker CaryCHIEF FINANCIAL OFFICER | Option exercise | +479 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · Director | Tax withholding | −1,197 | $125.22 | $150K | Jun 23, 2026 | Form 4 ↗ |
| DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · Director | Option exercise | +1,817 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · Director | Option exercise | +1,223 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| DIORIO CHRIS PH.D.CHIEF EXECUTIVE OFFICER · Director | Gift | −10.0K | $0.00 | $0 | Jun 15, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale Amended | −19.1K | $127.36 | $2.4M | Jun 9, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −12.1K | $127.36 | $1.5M | Jun 9, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale Amended | −33.0K | $130.07 | $4.3M | Jun 8, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale Amended | −12.5K | $125.97 | $1.6M | Jun 8, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −33.0K | $130.07 | $4.3M | Jun 8, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −12.5K | $125.97 | $1.6M | Jun 8, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −35.9K | $122.50 | $4.4M | Jun 5, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −11.6K | $128.87 | $1.5M | Jun 5, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −33.4K | $136.84 | $4.6M | Jun 4, 2026 | Form 4 ↗ |
| SYLEBRA CAPITAL LLCDirector | Sale | −6,313 | $139.17 | $879K | Jun 3, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding PI · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| SMALLCAP World Fund Inc | 2.4M | $345.5M | 0.37% | Jun 30, 2026 |
| iShares Core S&P Small-Cap ETF iShares Trust | 1.6M | $233.9M | 0.21% | Jun 30, 2026 |
| Select Semiconductors Portfolio Fidelity Select Portfolios | 1.1M | $169.5M | 0.33% | May 31, 2026 |
| Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 1.0M | $153.3M | 0.16% | May 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 918.5K | $131.6M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 751.2K | $107.6M | 0.13% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 646.9K | $97.7M | 0.06% | May 31, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 663.9K | $95.1M | 0.05% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P(R) Semiconductor ETF SPDR SERIES TRUST | 594.9K | $85.2M | 2.45% | Jun 30, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 382.4K | $54.8M | 0.12% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list PI's shares (CUSIP 453204109), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming IMPINJ INC as client
No lobbying filings found naming IMPINJ INC as the client.
Government Contracts
Federal awards to IMPINJ INC · USAspending
No federal contract awards found for IMPINJ INC.
U.S. Patents
Recent USPTO applications naming IMPINJ INC
No USPTO patent applications found for IMPINJ INC.
Annual Financials
From PI's 10-K filings · XBRL
No annual XBRL figures on record for PI. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in PI's price history.
About IMPINJ INC
From SEC EDGAR company records
Industry (SIC 3679)Electronic Components, NEC
SectorTechnology
HeadquartersSEATTLE, WA
IncorporatedDE
SEC CIK0001114995 ↗
Former namesIMPINJ INC