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, Q4 2025
Institutional positions in Personalis, Inc. as of Dec 31, 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
- 126
- +17 vs. Q3 2025
- Shares held
- 81.0M
- +16.3M (+25.2%) vs. Q3 2025
- Total value
- $644.8M
- +$222.9M (+52.8%) vs. Q3 2025
- New holders
- 31
- 37 more added
- Sold out
- 14
- 38 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Merck & Co., Inc. | 14,044,943 | $111.8M | 40.47% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 10,780,290 | $85.8M | 0.05% | +7,896,714+273.9% | Added |
| Lightspeed Management Company, L.L.C. | 8,160,734 | $65.0M | 4.65% | 00.0% | Unchanged |
| ARK Investment Management LLCSuperinvestorARK Invest | 7,879,087 | $62.7M | 0.42% | −31,104−0.4% | Reduced |
| Ameriprise Financial Inc | 6,287,151 | $50.0M | 0.01% | +5,988,126+2,002.6% | Added |
| BlackRock, Inc. | 5,319,508 | $42.3M | 0.00% | −325,291−5.8% | Reduced |
| Vanguard Group Inc | 3,253,797 | $25.9M | 0.00% | +247,387+8.2% | Added |
| Standard Life Aberdeen plc | 3,249,895 | $25.9M | 0.04% | +861,948+36.1% | Added |
| AIGH Capital Management LLC | 2,900,000 | $23.1M | 6.82% | −992,101−25.5% | Reduced |
| Kennedy Capital Management, Inc. | 1,712,652 | $13.6M | 0.29% | −222,426−11.5% | Reduced |
| Blue Water Life Science Advisors, LLC | 1,676,300 | $13.3M | 8.37% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 1,448,585 | $11.5M | 0.00% | +1,347,439+1,332.2% | Added |
| Geode Capital Management, LLC | 1,297,807 | $10.3M | 0.00% | −35,734−2.7% | Reduced |
| State Street Corp | 1,050,590 | $8.36M | 0.00% | +124,243+13.4% | Added |
| Dimensional Fund Advisors LP | 983,174 | $7.83M | 0.00% | +9,519+1.0% | Added |
| PFM Health Sciences, LP | 805,817 | $6.41M | 0.65% | +805,817 | New |
| Next Century Growth Investors LLC | 624,363 | $4.97M | 0.35% | +624,363 | New |
| Howland Capital Management LLC | 547,115 | $4.36M | 0.17% | +216,442+65.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 518,441 | $4.13M | 0.00% | −72,555−12.3% | Reduced |
| Nikko Asset Management Americas, Inc. | 518,441 | $4.13M | 0.05% | −72,555−12.3% | Reduced |
| State of Michigan Retirement System | 493,798 | $3.93M | 0.02% | 00.0% | Unchanged |
| Portolan Capital Management, LLC | 379,197 | $3.02M | 0.16% | +379,197 | New |
| First Manhattan Co | 373,822 | $2.98M | 0.01% | +373,822 | New |
| Northern Trust Corp | 354,918 | $2.83M | 0.00% | −38,866−9.9% | Reduced |
| Goldman Sachs Group Inc | 342,475 | $2.73M | 0.00% | −231,506−40.3% | Reduced |
| Wellington Shields Capital Management, LLC | 340,000 | $2.71M | 0.39% | +47,865+16.4% | Added |
| Oracle Investment Management Inc | 339,343 | $2.70M | 1.77% | +109,908+47.9% | Added |
| Nuveen, LLC | 308,680 | $2.46M | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 306,568 | $2.44M | 0.00% | +11,004+3.7% | Added |
| Wellington Shields & Co., LLC | 292,489 | $2.33M | 0.57% | 00.0% | Unchanged |
| Nano Cap New Millennium Growth Fund L P | 290,000 | $2.31M | 1.97% | +290,000 | New |
| TD Asset Management Inc | 271,876 | $2.16M | 0.00% | +217,292+398.1% | Added |
| Davy Global Fund Management Ltd | 267,674 | $2.13M | 0.15% | +82,638+44.7% | Added |
| Perkins Capital Management Inc | 239,000 | $1.90M | 1.51% | −13,500−5.3% | Reduced |
| Bruce & Co., Inc. | 233,000 | $1.85M | 0.58% | −20,000−7.9% | Reduced |
| Morgan Stanley | 224,563 | $1.79M | 0.00% | −117,492−34.3% | Reduced |
| Jane Street Group, LLC | 171,166 | $1.36M | 0.00% | +171,166 | New |
| Charles Schwab Investment Management Inc | 158,170 | $1.26M | 0.00% | +280.0% | Added |
| D.A. Davidson & Co. | 145,507 | $1.16M | 0.01% | +145,507 | New |
| Williams Jones Wealth Management, LLC. | 134,072 | $1.07M | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 132,343 | $1.05M | 0.00% | −1,749−1.3% | Reduced |
| Bank of New York Mellon Corp | 122,951 | $978.7K | 0.00% | −2,361−1.9% | Reduced |
| Barclays PLC | 119,951 | $954.8K | 0.00% | +5,148+4.5% | Added |
| American Century Companies Inc | 114,001 | $907.4K | 0.00% | +1,991+1.8% | Added |
| Susquehanna Fundamental Investments, LLC | 108,951 | $867.3K | 0.03% | 00.0% | Unchanged |
| HRT Financial LP | 97,772 | $778.0K | 0.00% | +97,772 | New |
| Renaissance Technologies LLC | 92,994 | $740.2K | 0.00% | −360,049−79.5% | Reduced |
| Citadel Advisors LLC | 92,162 | $733.6K | 0.00% | +92,162 | New |
| Royal Bank of Canada | 79,310 | $631.0K | 0.00% | −75,067−48.6% | Reduced |
| Green Alpha Advisors, LLC | 68,517 | $545.4K | 0.50% | +40,126+141.3% | Added |
| Wells Fargo & Company | 64,251 | $511.4K | 0.00% | +17,322+36.9% | Added |
| Rhumbline Advisers | 64,181 | $510.9K | 0.00% | −9,934−13.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 61,844 | $492.3K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 60,033 | $477.9K | 0.00% | +26,134+77.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 56,834 | $452.4K | 0.00% | −7,831−12.1% | Reduced |
| SEI Investments Co | 56,006 | $445.8K | 0.00% | +56,006 | New |
| Verition Fund Management LLC | 51,804 | $412.4K | 0.00% | +51,804 | New |
| Polen Capital Management LLC | 50,705 | $403.6K | 0.00% | +50,705 | New |
| AlphaCentric Advisors LLC | 47,796 | $380.5K | 0.38% | +47,796 | New |
| SG Americas Securities, LLC | 44,678 | $356.0K | 0.00% | +44,678 | New |
| Invesco Ltd. | 39,875 | $317.4K | 0.00% | −338−0.8% | Reduced |
| XTX Topco Ltd | 39,412 | $313.7K | 0.01% | −43,297−52.3% | Reduced |
| Pathstone Holdings, LLC | 39,015 | $310.6K | 0.00% | +39,015 | New |
| Deutsche Bank AG | 38,827 | $309.1K | 0.00% | +1,655+4.5% | Added |
| Two Sigma Investments, LP | 32,476 | $258.5K | 0.00% | −24,282−42.8% | Reduced |
| Susquehanna International Group, LLP | 30,967 | $246.5K | 0.00% | −12,581−28.9% | Reduced |
| Janney Montgomery Scott LLC | 30,000 | $239.0K | 0.00% | +5,000+20.0% | Added |
| Alliancebernstein L.P. | 28,700 | $228.5K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 27,608 | $219.8K | 0.00% | +25,318+1,105.6% | Added |
| JPMorgan Chase & Co | 26,716 | $212.7K | 0.00% | +1,883+7.6% | Added |
| Intech Investment Management LLC | 20,342 | $161.9K | 0.00% | +3,851+23.4% | Added |
| US Bancorp | 20,062 | $159.7K | 0.00% | +20,062 | New |
| MetLife Investment Management | 18,658 | $148.5K | 0.00% | −11,135−37.4% | Reduced |
| New York State Common Retirement Fund | 15,800 | $125.8K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 15,768 | $125.5K | 0.00% | +3,210+25.6% | Added |
| Manufacturers Life Insurance Company, The | 15,745 | $125.3K | 0.00% | −1,705−9.8% | Reduced |
| Axq Capital, LP | 14,965 | $119.1K | 0.03% | +14,965 | New |
| China Universal Asset Management Co., Ltd. | 14,471 | $115.2K | 0.01% | −1,073−6.9% | Reduced |
| Stifel Financial Corp | 13,933 | $110.9K | 0.00% | −34,068−71.0% | Reduced |
| Guggenheim Capital LLC | 13,578 | $108.1K | 0.00% | +13,578 | New |
| Colony Group, LLC | 13,527 | $107.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 13,456 | $107.1K | 0.00% | −1,340−9.1% | Reduced |
| ProShare Advisors LLC | 13,081 | $104.1K | 0.00% | +1,348+11.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 12,974 | $103.3K | 0.00% | 00.0% | Unchanged |
| Scientech Research LLC | 12,402 | $98.7K | 0.06% | +12,402 | New |
| Skopos Labs, Inc. | 12,045 | $95.5K | 0.00% | +12,045 | New |
| Raymond James Financial Inc | 11,600 | $92.3K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 10,923 | $86.9K | 0.00% | +4,847+79.8% | Added |
| HSBC Holdings PLC | 10,474 | $84.1K | 0.00% | −40,967−79.6% | Reduced |
| DRW Securities, LLC | 10,483 | $83.4K | 0.01% | +10,483 | New |
| AQR Capital Management LLC | 10,240 | $81.5K | 0.00% | +10,240 | New |
| Advisor Group Holdings, Inc. | 6,495 | $51.7K | 0.00% | +1,450+28.7% | Added |
| Quest Partners LLC | 5,007 | $39.9K | 0.00% | +5,007 | New |
| Legal & General Group Plc | 4,572 | $36.4K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 4,315 | $34.3K | 0.00% | +887+25.9% | Added |
| Ameritas Investment Partners, Inc. | 4,235 | $33.7K | 0.00% | −885−17.3% | Reduced |
| Russell Investments Group, Ltd. | 4,184 | $33.3K | 0.00% | +31+0.7% | Added |
| International Assets Investment Management, LLC | 3,900 | $31.0K | 0.00% | +3,900 | New |
| Caitong International Asset Management Co., Ltd | 3,423 | $27.2K | 0.01% | +1,479+76.1% | Added |
| FMR LLC | 3,391 | $27.0K | 0.00% | +1,037+44.1% | Added |