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, Q2 2025
Institutional positions in Personalis, Inc. as of Jun 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
- 105
- +2 vs. Q1 2025
- Shares held
- 60.5M
- +5.63M (+10.3%) vs. Q1 2025
- Total value
- $396.6M
- +$204.2M (+106.1%) vs. Q1 2025
- New holders
- 33
- 35 more added
- Sold out
- 31
- 24 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AIGH Capital Management LLC | 3,723,958 | $24.4M | 11.46% | −244,990−6.2% | Reduced |
| BlackRock, Inc. | 5,203,993 | $34.1M | 0.00% | +2,205,471+73.6% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 7,107,923 | $46.6M | 0.34% | −80,274−1.1% | Reduced |
| Lightspeed Management Company, L.L.C. | 8,160,734 | $53.5M | 22.42% | 00.0% | Unchanged |
| Merck & Co., Inc. | 14,044,943 | $92.1M | 42.73% | 00.0% | Unchanged |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −696,286−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −247,012−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −202,490−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −177,094−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −122,959−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −114,531−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −83,628−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −82,666−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −76,729−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −75,200−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −58,083−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −50,527−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −44,939−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −43,777−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −39,600−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −30,600−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −28,495−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −24,920−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −24,232−100.0% | Sold out |
| Massar Capital Management, LP | 0 | $0 | 0.00% | −23,973−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −21,924−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −20,800−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −19,966−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −18,490−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −18,444−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −18,350−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −16,316−100.0% | Sold out |
| Prime Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −11,468−100.0% | Sold out |
| Asset Dedication, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Berbice Capital Management LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |