Personalis (PSNL)
Whole-genome liquid biopsy tests that track cancer recurrence at the molecular level.
$16.34
vs last close+0.10 (+0.62%)
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13F · 13D/G · Form 4
| Institutions | ≈ 79.05% | 84.43M shares | |
|---|---|---|---|
| 169 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 0.79% | 843.6K shares | |
| 10 holders · as of Jul 15, 2026 | |||
| Strategic holders | 12.21% | 13.04M shares | |
| 1 holder · as of Jul 21, 2026 | |||
| Other | ≈ 7.95% | 8.49M shares | |
| remainder | |||
106.80M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
169 holders · 84.43M shares · 43 new positions · 113 increased · 34 reduced · 25 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Merck & Co., Inc. | 14.04M | 13.15% | 0 | Aug 7, 2026 |
| Ark Investment Management LLC | 8.27M | 7.74% | +327.2K | Aug 14, 2026 |
| BlackRock, Inc. | 7.08M | 6.63% | +1.69M | Aug 7, 2026 |
| Lightspeed Management Company, L.L.C. | 6.10M | 5.71% | −2.06M | Aug 14, 2026 |
| Ameriprise Financial Inc | 6.09M | 5.70% | −1.51M | Aug 14, 2026 |
| Deep Track Capital, LP | 4.00M | 3.75% | +1.00M | Aug 14, 2026 |
| Abrdn PLC | 3.75M | 3.51% | +259.0K | Jul 31, 2026 |
| Vanguard Capital Management LLC | 3.01M | 2.82% | +141.7K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Tempus AI, Inc. | 12.50% | 13.04M | 13D | Jul 21, 2026 |
| ARK Investment Management LLC | 8.14% | 7.19M | 13G | May 14, 2025 |
| Ameriprise Financial, Inc. | 7.10% | 6.29M | 13G | Feb 17, 2026 |
| BlackRock, Inc. | 5.90% | 6.17M | 13G | Jul 29, 2026 |
| Deep Track Capital, LP | 5.51% | 5.76M | 13G | May 12, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jul 15, 2026 | Richard Chenofficer: President and CMO | Sale | 100,000 | $15.15 | 173,880 |
| Jul 9, 2026 | Christopher M. Halldirector, officer: Chief Executive Officer | Sale | 100,000 | $15.08 | 235,986 |
| Jun 29, 2026 | Aaron Tachibanaofficer: CFO AND COO | Sale | 4,982 | $14.00 | 198,833 |
| Jun 26, 2026 | Christopher M. Halldirector, officer: Chief Executive Officer | Sale | 100,000 | $13.15 | 235,986 |
| Jun 26, 2026 | Aaron Tachibanaofficer: CFO AND COO | Sale | 51,251 | $13.18 | 198,833 |
| Jun 4, 2026 | Aaron Tachibanaofficer: CFO AND COO | Sale | 40,000 | $12.01 | 198,833 |
| May 29, 2026 | Aaron Tachibanaofficer: CFO AND COO | Sale | 38,799 | $11.58 | 198,833 |
| May 29, 2026 | Christopher M. Halldirector, officer: Chief Executive Officer | Sale | 80,091 | $11.02 | 235,986 |
| Nov 18, 2025 | Tempus AI, Inc.10 percent owner | Purchase | 64,750 | $7.67 | 12,783,550 |
| Nov 19, 2025 | Tempus AI, Inc.10 percent owner | Purchase | 30,645 | $8.12 | 12,814,195 |
House and Senate disclosures
Not reported.