Personalis, Inc.
PSNL- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0001527753
In the last 90 days, Personalis, Inc. insiders filed 0 open-market purchases and 6 sales; 158 institutions reported holding it in 13F filings for Q2 2026, worth $1.14B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Personalis, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 109
- +4 vs. Q2 2025
- Shares held
- 64.7M
- +4.25M (+7.0%) vs. Q2 2025
- Total value
- $421.8M
- +$25.2M (+6.4%) vs. Q2 2025
- New holders
- 20
- 31 more added
- Sold out
- 16
- 35 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PSNL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 158 | $1.14B |
| Q1 2026 | 140 | $538.8M |
| Q4 2025 | 126 | $644.8M |
| Q3 2025 | 109 | $421.8M |
| Q2 2025 | 105 | $396.6M |
| Q1 2025 | 104 | $192.4M |
| Q4 2024 | 107 | $298.2M |
| Q3 2024 | 83 | $157.6M |
| Q2 2024 | 69 | $25.7M |
| Q1 2024 | 71 | $33.2M |
| Q4 2023 | 69 | $46.1M |
| Q3 2023 | 63 | $30.0M |
| Q2 2023 | 66 | $49.0M |
| Q1 2023 | 63 | $75.0M |
| Q4 2022 | 80 | $55.0M |
| Q3 2022 | 81 | $83.9M |
| Q2 2022 | 99 | $105.6M |
| Q1 2022 | 125 | $265.3M |
| Q4 2021 | 108 | $456.2M |
| Q3 2021 | 120 | $604.2M |
| Q2 2021 | 136 | $807.9M |
| Q1 2021 | 134 | $763.1M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Standard Life Aberdeen plc | 2,387,947 | $15.6M | 0.02% | +628,450+35.7% | Added |
| T. Rowe Price Investment Management, Inc. | 2,883,576 | $18.8M | 0.01% | +1,619,121+128.0% | Added |
| Vanguard Group Inc | 3,006,410 | $19.6M | 0.00% | −130,651−4.2% | Reduced |
| AIGH Capital Management LLC | 3,892,101 | $25.4M | 8.89% | +168,143+4.5% | Added |
| BlackRock, Inc. | 5,644,799 | $36.8M | 0.00% | +440,806+8.5% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 7,910,191 | $51.6M | 0.31% | +802,268+11.3% | Added |
| Lightspeed Management Company, L.L.C. | 8,160,734 | $53.2M | 16.53% | 00.0% | Unchanged |
| Merck & Co., Inc. | 14,044,943 | $91.6M | 40.16% | 00.0% | Unchanged |
| Berbice Capital Management LLC | 320 | – | – | +320 | New |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −437,369−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −116,162−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −71,700−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −68,679−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −49,373−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −48,822−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −39,629−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −39,158−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −25,200−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −19,237−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −16,386−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −14,036−100.0% | Sold out |
| Alpha Wealth Funds, LLC | 0 | $0 | 0.00% | −10,034−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −1,869−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −158−100.0% | Sold out |