Impinj
PI
191.04
+6.88
+3.74%
Impinj
US · PI
#1959 by market cap
Listed 2016
191.04
+6.88
+3.74%
Live - 5344 symbols - heartbeat 484s ago
· 2026-10-08 06:38
Pre-market
190.01
-0.54%
After-hours
192.30
+0.66%
- Market cap
- 5.84B
- P/E (TTM)i
- -209.93
- P/Bi
- 25.21
- EPSi
- -0.37
- Div yieldi
- 0.00%
- 52W posi
- 65%
Reader sentiment
Are you bullish or bearish on PI?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions increased by 1 in the most recent period (2026/Q3).
- Total institutional ownership fell 0.2 percentage points.
Institutional ownership
- Held by institutions
- 108.81% -0.20pp
- Institutions
- 379 +1
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund92.36%
Hedge Fund10.77%
Public Company3.24%
Individual/Insider3.06%
Government Pension Fund1.10%
Sovereign Wealth Fund0.61%
Private Company0.32%
Family Office/Trust0.19%
Insurance Company0.16%
Top holders as of 2026-06-30
FMR
14.93% · 4.56M sh
BlackRock
14.56% · 4.45M sh
Capital Research
8.40% · 2.57M sh
Vanguard Portfolio Management, LLC
7.18% · 2.19M sh
State Street Global Advisors
5.57% · 1.70M sh
Vanguard Capital Management, LLC
4.84% · 1.48M sh
Millennium Management LLC
2.73% · 834.38K sh
American Century Investment Management
2.63% · 804.34K sh
Sylebra Capital Limited
2.54% · 775.94K sh
Chevy Chase Trust Company
2.41% · 737.14K sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 25 buys · 25 sells
| Name | Role | Stake |
|---|---|---|
| Chris Diorio | Vice Chairperson & CEO | 1.82% |
| Jeffrey Dossett | Chief Revenue Officer | 0.42% |
| Cary Baker | Chief Financial Officer | 0.27% |
| Hussein Mecklai | Chief Operating Officer | 0.18% |
| Stephen Sanghi | Independent Chairperson | 0.18% |
| Daniel Gibson | Independent Director | 0.08% |
| Cathal Phelan | Chief Innovation Officer & Director | 0.05% |
| Meera Rao | Independent Director | 0.04% |
| Umesh Padval | Independent Director | 0.02% |
| Miron Washington | Independent Director | 0.01% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-22 | Chris Diorio | Vice Chairperson & CEO | Derivative Exercise and Sale | -1,197 | $177.20 |
| 2026-09-22 | Chris Diorio | Vice Chairperson & CEO | Derivative Exercise and Retained | +1,844 | -- |
| 2026-09-22 | Cary Baker | Chief Financial Officer | Derivative Exercise and Sale | -424 | $177.20 |
| 2026-09-22 | Cary Baker | Chief Financial Officer | Derivative Exercise and Retained | +651 | -- |
| 2026-09-20 | Cary Baker | Chief Financial Officer | Automatic Disposition | -8,892 | $185.00 |
| 2026-09-14 | Miron Washington | Independent Director | Open Market Disposition | -800 | $173.26 |
| 2026-09-13 | Chris Diorio | Vice Chairperson & CEO | Other Disposition | -10,000 | -- |
| 2026-08-19 | Chris Diorio | Vice Chairperson & CEO | Derivative Exercise and Sale | -1,477 | $159.73 |
| 2026-08-19 | Chris Diorio | Vice Chairperson & CEO | Derivative Exercise and Retained | +2,276 | -- |
| 2026-08-19 | Cary Baker | Chief Financial Officer | Derivative Exercise and Sale | -685 | $159.73 |
| 2026-08-19 | Cary Baker | Chief Financial Officer | Derivative Exercise and Retained | +1,054 | -- |
| 2026-08-16 | Chris Diorio | Vice Chairperson & CEO | Other Disposition | -10,000 | -- |
| 2026-08-09 | Cary Baker | Chief Financial Officer | Automatic Disposition | -1,429 | $185.00 |
| 2026-07-12 | Chris Diorio | Vice Chairperson & CEO | Other Disposition | -10,000 | -- |
| 2026-06-22 | Chris Diorio | Vice Chairperson & CEO | Derivative Exercise and Sale | -1,197 | $125.22 |
| 2026-06-22 | Chris Diorio | Vice Chairperson & CEO | Derivative Exercise and Retained | +1,843 | -- |
| 2026-06-22 | Cary Baker | Chief Financial Officer | Derivative Exercise and Sale | -424 | $125.22 |
| 2026-06-22 | Cary Baker | Chief Financial Officer | Derivative Exercise and Retained | +652 | -- |
| 2026-06-14 | Chris Diorio | Vice Chairperson & CEO | Other Disposition | -10,000 | -- |
| 2026-06-08 | Sylebra Capital Limited | -- | Open Market Disposition | -64,633 | $125.97–130.07 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 06:38:39 · For reference only, not investment advice and not tailored to your situation.