Impinj
Connects physical items through RAIN RFID chips, readers, gateways, software, and partners.
$170.17
At close+2.10 (+1.25%)
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Breakdown13F · Form 4
Institutions 124.29%Insiders 5.18%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 30.55M · Float 29.57M · 96.8% free float
Institutions13F, as of Jun 30, 2026
333 holders · 37.97M shares · 65 new positions · 180 increased · 90 reduced · 42 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| FMR LLC | 4.56M | 14.93% | +282.2K | Aug 13, 2026 |
| BlackRock, Inc. | 4.45M | 14.56% | +135.9K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 2.19M | 7.18% | +54.1K | Aug 13, 2026 |
| State Street Corp | 1.70M | 5.57% | +215.7K | Aug 7, 2026 |
| Capital International Investors | 1.44M | 4.72% | +91.1K | Aug 12, 2026 |
| Vanguard Capital Management LLC | 1.28M | 4.20% | +17.0K | Aug 13, 2026 |
| Capital World Investors | 1.12M | 3.68% | +108.0K | Aug 12, 2026 |
| Millennium Management LLC | 834.4K | 2.73% | +732.1K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Portfolio Management | 7.15% | 2.16M | 13G | Apr 29, 2026 ↗ |
| State Street Corporation | 5.60% | 1.70M | 13G | Aug 7, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Sylebra Capital LLC | director | 782.9K | 2.56% | Jun 10, 2026 |
| Chris Ph.d. Diorio | director, officer: CHIEF EXECUTIVE OFFICER | 563.8K | 1.85% | Aug 21, 2026 |
| Cary Baker | officer: CHIEF FINANCIAL OFFICER | 89.3K | 0.29% | Aug 21, 2026 |
| Hussein Mecklai | officer: CHIEF OPERATING OFFICER | 75.9K | 0.25% | Apr 14, 2025 |
| Daniel Patrick Gibson | director | 23.0K | 0.08% | May 29, 2026 |
| Steve Sanghi | director | 13.3K | 0.04% | May 29, 2026 |
| Meera Rao | director | 11.3K | 0.04% | May 29, 2026 |
| Cathal G. Phelan | director, officer: CHIEF INNOVATION OFFICER | 10.4K | 0.03% | May 21, 2025 |
| Umesh Padval | director | 6.7K | 0.02% | May 29, 2026 |
| Miron Washington | director | 5.2K | 0.02% | May 29, 2026 |
2 ten-percent owners hold 5.02M shares by Form 4, outside the officers-and-directors figure above · 9 people have not refiled in the last 18 months (333.7K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 10, 2026 | Cary Bakerofficer: CHIEF FINANCIAL OFFICER | Sale | 1,429 | $185.00 | 88,226 |
| Jun 9, 2026 | Sylebra Capital LLCdirector | Sale · 2 lots | 31,210 | $127.36 | 775,943 |
| Jun 8, 2026 | Sylebra Capital LLCdirector | Sale · 2 lots | 45,528 | $128.94 | 795,048 |
| Jun 5, 2026 | Sylebra Capital LLCdirector | Sale · 2 lots | 47,479 | $124.06 | 840,576 |
| Jun 4, 2026 | Sylebra Capital LLCdirector | Sale | 33,412 | $136.84 | 888,055 |
| Jun 3, 2026 | Sylebra Capital LLCdirector | Sale | 6,313 | $139.17 | 921,467 |
| Jun 2, 2026 | Sylebra Capital LLCdirector | Sale | 38,724 | $142.31 | 927,780 |
| Jun 1, 2026 | Sylebra Capital LLCdirector | Sale | 7,163 | $144.29 | 966,504 |
| May 29, 2026 | Sylebra Capital LLCdirector | Sale | 48,504 | $150.78 | 973,667 |
| May 11, 2026 | Sylebra Capital LLCdirector | Sale · 4 lots | 73,664 | $154.46 | 1,022,171 |
CongressHouse and Senate disclosures
Not reported.