PSNL
Personalis, Inc. · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers):
holder breadth +12.5% ·
share flow +30.0% ·
net new positions +11.1%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 68 | +6 | 44.71M | $598.60M | +11 | −5 |
| Q1 2026 | 65 | +1 | 39.38M | $250.81M | +9 | −8 |
| Q4 2025 | 64 | +1 | 35.38M | $281.65M | +2 | −1 |
| Q3 2025 | 13 | 0 | 21.61M | $140.91M | — | — |
| Q2 2025 | 10 | -1 | 19.31M | $126.70M | — | −1 |
| Q1 2025 | 8 | -2 | 10.69M | $37.54M | — | −2 |
| Q4 2024 | 10 | 0 | 10.13M | $58.56M | — | — |
| Q3 2024 | 9 | +1 | 11.64M | $62.64M | +2 | −1 |
| Q2 2024 | 8 | — | 8.68M | $10.16M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | ARK Investment Management ✦ | 7.09M | +11.4% | $38.12M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 2 | Millennium Management ✦ | 2.44M | +1915.0% | $13.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 931.11K | -9.5% | $5.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 498.47K | +20.0% | $2.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 498.47K | +20.0% | $2.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Marshall Wace ✦ | 456.98K | +316.0% | $2.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Marshall Wace ✦ | 456.98K | +316.0% | $2.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 95.00K | 0.0% | $512,000 | 0.0% | Held | 2 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 78.26K | New | $421,033 | 0.0% | New | 1 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 34.99K | -90.2% | $188,246 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Arrowstreet Capital ✦ | 27.46K | New | $147,735 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $421,033 | 0.0% |
| Arrowstreet Capital | $147,735 | 0.0% |
Exited
| D. E. Shaw & Co. | $228,562 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 140 holders, 84.04M shares, $493.33M 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.