Personalis, Inc. (PSNL) ownership: insiders 13% · institutions 69% · index and ETF funds 12% (13F 2026-03-31). Insider activity, 90 days: Routine (12 sales, 0 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Merck & Co., Inc. | 14044943.00 | $89.47M | 13.2% | 2026-03-31 |
| Lightspeed Management Company, L.l.c. | 8160734.00 | $51.98M | 7.6% | 2026-03-31 |
| ARK Investment Management LLC | 7944112.00 | $50.60M | 7.4% | 2026-03-31 |
| Ameriprise (Columbia) | 7592807.00 | $48.37M | 7.1% | 2026-03-31 |
| BlackRock | 5389885.00 | $34.33M | 5.0% | 2026-03-31 |
| T. Rowe Price | 4758091.00 | $30.31M | 4.5% | 2026-03-31 |
| Vanguard | 3855120.00 | $24.56M | 3.6% | 2026-03-31 |
| abrdn | 3488308.00 | $22.22M | 3.3% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-06-29 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.