PI
Impinj, Inc. · Technology · Semiconductors
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 107 | +3 | 25.42M | $3.64B | +11 | −7 |
| Q1 2026 | 106 | -5 | 24.72M | $2.54B | +8 | −14 |
| Q4 2025 | 112 | +2 | 26.42M | $4.61B | +5 | −2 |
| Q3 2025 | 17 | -1 | 16.24M | $2.94B | +2 | −4 |
| Q2 2025 | 16 | 0 | 15.36M | $1.71B | +2 | −2 |
| Q1 2025 | 13 | -3 | 3.95M | $358.59M | +1 | −4 |
| Q4 2024 | 16 | +5 | 3.70M | $537.06M | +5 | — |
| Q3 2024 | 10 | 0 | 1.87M | $404.99M | +3 | −3 |
| Q2 2024 | 10 | — | 1.82M | $285.10M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 546.35K | — | $85.65M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 535.25K | — | $83.93M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 535.25K | — | $83.93M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Two Sigma Investments ✦ | 201.28K | — | $31.55M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 192.10K | — | $30.12M | 0.1% | n/c | 1 | SEC ↗ |
| 6 | Millennium Management ✦ | 169.48K | — | $26.57M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 132.07K | — | $20.71M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 132.07K | — | $20.71M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 14.77K | — | $2.32M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 13.93K | — | $2.18M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 13.93K | — | $2.18M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 13.93K | — | $2.18M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Marshall Wace ✦ | 7.92K | — | $1.24M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 5.31K | — | $831,822 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 286 holders, 31.72M shares, $3.18B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 1.43K sh · $264,365
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology