Impinj Inc (PI)
Who owns Impinj Inc (PI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.7% of the shares are freely tradable; institutional investors hold 107.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.16 | 4,313,504 | +1.1 | 03/31/2026 |
| FMR Inc | 14.05 | 4,280,553 | -4.9 | 03/31/2026 |
| Vanguard Group Inc | 11.38 | 3,465,949 | +2.5 | 12/31/2025 |
| Vanguard Portfolio Management, LLC | 7.03 | 2,140,158 | +0.0 | 03/31/2026 |
| State Street Corp | 4.87 | 1,484,868 | +16.3 | 03/31/2026 |
| Capital Research & Mgmt Co - Division 3 | 4.44 | 1,352,380 | -13.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.16 | 1,265,710 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds SMALLCAP World A | 7.75 | 2,360,099 | +1.8 | 03/31/2026 |
| iShares Core S&P Small-Cap ETF | 5.36 | 1,632,093 | +0.0 | 05/29/2026 |
| Fidelity Growth Compy Commingled Pl S | 4.18 | 1,274,540 | +0.4 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 13. Jul 2026 | Diorio Chris Ph.d. | CHIEF EXECUTIVE OFFICER | Other | 10,000 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.