PersonalisPSNL
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 109 institutions reported holding Personalis Inc. (PSNL) in their 13F filings, up 4 from Q2 2025. 20 opened new positions and 16 sold out. The largest holders were Merck & Co., Inc. ($91.6M), Lightspeed Management Company, L.L.C. ($53.2M) and ARK Investment Management ($51.6M). 3 famous investors held it, including Cathie Wood (0.3% of ARK Investment Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Personalis Inc.
- CUSIP
- 71535D106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $4.5M |
| Exits | 16 | $6.3M |
All 13F filers, Q2 2025 → Q3 2025: 6,939,471 shares bought and 2,693,309 shares sold, net +4,246,162 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 109 holders
| Merck & Co., Inc. | 40.16% | No change | 14,044,943 | $91.6M |
| Lightspeed Management Company, L.L.C. | 16.53% | No change | 8,160,734 | $53.2M |
| ARK Investment Management | 0.31% | Add +11.3% | 7,910,191 | $51.6M |
| BlackRock, Inc. | 0.00% | Add +8.5% | 5,644,799 | $36.8M |
| AIGH Capital Management LLC | 8.89% | Add +4.5% | 3,892,101 | $25.4M |
| Vanguard Group Inc. | 0.00% | Reduce -4.2% | 3,006,410 | $19.6M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Add +128.1% | 2,883,576 | $18.8M |
| Aberdeen Group plc | 0.02% | Add +35.7% | 2,387,947 | $15.6M |
| Kennedy Capital Management LLC | 0.28% | Add +196.2% | 1,935,078 | $12.6M |
| Blue Water Life Science Advisors, LP | 9.97% | No change | 1,676,300 | $10.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.4% | 1,333,541 | $8.7M |
| Millennium Management | 0.01% | Add +11.0% | 1,210,754 | $7.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +24.1% | 973,655 | $6.3M |
| State Street Corp. | 0.00% | Add +34.7% | 926,347 | $6.0M |
| Amova Asset Management Americas, Inc. | 0.04% | Reduce -6.8% | 590,996 | $3.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -7.7% | 590,996 | $3.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +173.8% | 573,981 | $3.7M |
| State of Michigan Retirement System | 0.02% | No change | 493,798 | $3.2M |
| Renaissance Technologies | 0.00% | Reduce -19.6% | 453,043 | $3.0M |
| Northern Trust Corp. | 0.00% | Reduce -1.6% | 393,784 | $2.6M |
| Morgan Stanley | 0.00% | Reduce -45.4% | 342,055 | $2.2M |
| Howland Capital Management LLC | 0.08% | Add +15.9% | 330,673 | $2.2M |
| Nuveen, LLC | 0.00% | Reduce -51.4% | 308,680 | $2.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -9.3% | 299,025 | $1.9M |
| UBS Group AG | 0.00% | Add +146.7% | 295,564 | $1.9M |
| Wellington Shields & Co., LLC | 0.50% | No change | 292,489 | $1.9M |
| Wellington Shields Capital Management, LLC | 0.29% | Reduce -31.5% | 292,135 | $1.9M |
| Bruce & Co., Inc. | 0.51% | No change | 253,000 | $1.6M |
| Perkins Capital Management Inc. | 1.45% | No change | 252,500 | $1.6M |
| Oracle Investment Management Inc. | 1.04% | New | 229,435 | $1.5M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.08% | Add +99.3% | 185,036 | $1.2M |
| JBF Capital, Inc. | 0.15% | New | 166,104 | $1.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.6% | 158,142 | $1.0M |
| Royal Bank of Canada | 0.00% | Add +3.0% | 154,377 | $1.0M |
| LPL Financial LLC | 0.00% | Reduce -3.8% | 134,092 | $874K |
| Williams Jones Wealth Management, LLC. | 0.01% | No change | 134,072 | $874K |
| Bank of New York Mellon Corp | 0.00% | Add +5.4% | 125,312 | $817K |
| Barclays PLC | 0.00% | Reduce -18.2% | 114,803 | $749K |
| American Century Companies Inc. | 0.00% | Add +24.9% | 112,010 | $730K |
| Susquehanna Fundamental Investments, LLC | 0.03% | Reduce -25.7% | 108,951 | $710K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 101,146 | $660K |
| XTX Topco Ltd | 0.03% | New | 82,709 | $539K |
| Rhumbline Advisers | 0.00% | Reduce -6.5% | 74,115 | $483K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -7.5% | 64,665 | $422K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Add +29.0% | 61,844 | $403K |
| Two Sigma Investments, LP | 0.00% | Reduce -0.2% | 56,758 | $370K |
| TD Asset Management Inc | 0.00% | New | 54,584 | $356K |
| HSBC Holdings PLC | 0.00% | Reduce -5.7% | 51,441 | $320K |
| Stifel Financial Corp. | 0.00% | Reduce -4.0% | 48,001 | $313K |
| Wells Fargo & Company | 0.00% | Add +22.0% | 46,929 | $306K |
| Gsa Capital Partners LLP | 0.03% | Reduce -62.8% | 46,193 | $301K |
| Susquehanna International Group, LLP | 0.00% | Reduce -31.7% | 43,548 | $284K |
| Invesco Ltd. | 0.00% | Add +8.4% | 40,213 | $262K |
| Sanctuary Advisors, LLC | 0.00% | New | 39,974 | $261K |
| Deutsche Bank AG | 0.00% | Add +13.1% | 37,172 | $242K |
| Bank of America Corp. | 0.00% | Reduce -84.7% | 33,899 | $221K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.2% | 29,793 | $194K |
| Alliancebernstein L.P. | 0.00% | No change | 28,700 | $187K |
| Green Alpha Advisors, LLC | 0.18% | Reduce -10.8% | 28,391 | $185K |
| Janney Montgomery Scott LLC | 0.00% | New | 25,000 | $163K |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.8% | 24,833 | $162K |
| Ieq Capital, LLC | 0.00% | No change | 22,000 | $143K |
| Squarepoint Ops LLC | 0.00% | New | 18,886 | $123K |
| Atom Investors LP | 0.01% | New | 18,043 | $118K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -7.0% | 17,450 | $114K |
| Parallel Advisors, LLC | 0.00% | No change | 16,522 | $108K |
| Intech Investment Management LLC | 0.00% | Reduce -37.3% | 16,491 | $108K |
| New York State Common Retirement Fund | 0.00% | No change | 15,800 | $103K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -12.4% | 15,544 | $101K |
| Brevan Howard Capital Management LP | 0.00% | New | 14,855 | $97K |
| BNP Paribas Financial Markets | 0.00% | Add +129.4% | 14,796 | $96K |
| Focus Partners Wealth | 0.00% | No change | 13,527 | $88K |
| FourThought Financial Partners, LLC | 0.01% | New | 13,145 | $86K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +13.1% | 12,974 | $85K |
| Creative Planning | 0.00% | New | 12,558 | $82K |
| ProShare Advisors LLC | 0.00% | Reduce -13.6% | 11,733 | $76K |
| Raymond James Financial Inc. | 0.00% | Add +9.4% | 11,600 | $76K |
| Farther Finance Advisors, LLC | 0.00% | New | 10,069 | $66K |
| Simplex Trading, LLC | 0.00% | New | 6,076 | $39K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 5,120 | $33K |
| Legal & General Group Plc | 0.00% | No change | 4,572 | $30K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -51.0% | 4,153 | $27K |
| Osaic Holdings, Inc. | 0.00% | Add +32.9% | 5,045 | $26K |
| Berbice Capital Management LLC | 0.02% | New | 320 | $26K |
| Sterling Capital Management LLC | 0.00% | Add +155.5% | 3,460 | $23K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.5% | 3,428 | $22K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 3,132 | $20K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -59.5% | 2,598 | $17K |
| FMR LLC | 0.00% | Add +1015.6% | 2,354 | $15K |
| Citigroup Inc. | 0.00% | Reduce -98.8% | 2,290 | $15K |
| Group One Trading LLC | 0.00% | Add +76.9% | 2,142 | $14K |
| Caitong International Asset Management Co., Ltd | 0.01% | Reduce -11.6% | 1,944 | $13K |
| GF Fund Management Co. LTD. | 0.00% | Add +5.5% | 1,908 | $12K |
| Amalgamated Bank | 0.00% | No change | 1,713 | $11K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -30.8% | 1,265 | $8K |
| GPS Wealth Strategies Group, LLC | 0.00% | No change | 1,000 | $7K |
| Rockefeller Capital Management L.P. | 0.00% | New | 700 | $5K |
| Ancora Advisors LLC | 0.00% | New | 690 | $4K |
| Daiwa Securities Group Inc. | 0.00% | No change | 400 | $3K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 437 | $3K |
"% of holder's portfolio" is PSNL's weight in each manager's 13F, not the share of Personalis Inc. the manager owns.