PersonalisPSNL
13F holders, Q4 2025 (December 31)126holders +17
28new positions
14sold out
4famous investors
$7.96avg. 13F price*
At the end of Q4 2025, 126 institutions reported holding Personalis Inc. (PSNL) in their 13F filings, up 17 from Q3 2025. 28 opened new positions and 14 sold out. The largest holders were Merck & Co., Inc. ($111.8M), T. Rowe Price Investment Management, Inc. ($85.8M) and Lightspeed Management Company, L.L.C. ($65.0M). 4 famous investors held it, including Cathie Wood (0.4% of ARK Investment Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Personalis Inc.
- CUSIP
- 71535D106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $24.2M |
| Exits | 14 | $10.2M |
All 13F filers, Q3 2025 → Q4 2025: 20,340,755 shares bought and 4,382,939 shares sold, net +15,957,816 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 126 holders
| Merck & Co., Inc. | 40.47% | No change | 14,044,943 | $111.8M |
| T. Rowe Price Investment Management, Inc. | 0.05% | Add +273.9% | 10,780,290 | $85.8M |
| Lightspeed Management Company, L.L.C. | 4.65% | No change | 8,160,734 | $65.0M |
| ARK Investment Management | 0.42% | Reduce -0.4% | 7,879,087 | $62.7M |
| Ameriprise Financial Inc. | 0.01% | Add +2002.5% | 6,287,151 | $50.0M |
| BlackRock, Inc. | 0.00% | Reduce -5.8% | 5,319,508 | $42.3M |
| Vanguard Group Inc. | 0.00% | Add +8.2% | 3,253,797 | $25.9M |
| Aberdeen Group plc | 0.04% | Add +36.1% | 3,249,895 | $25.9M |
| AIGH Capital Management LLC | 6.82% | Reduce -25.5% | 2,900,000 | $23.1M |
| Kennedy Capital Management LLC | 0.29% | Reduce -11.5% | 1,712,652 | $13.6M |
| Blue Water Life Science Advisors, LP | 8.37% | No change | 1,676,300 | $13.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +1332.2% | 1,448,585 | $11.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.7% | 1,297,807 | $10.3M |
| State Street Corp. | 0.00% | Add +13.4% | 1,050,590 | $8.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +1.0% | 983,174 | $7.8M |
| PFM Health Sciences, LP | 0.66% | New | 805,817 | $6.4M |
| Next Century Growth Investors LLC | 0.35% | New | 624,363 | $5.0M |
| Howland Capital Management LLC | 0.17% | Add +65.5% | 547,115 | $4.4M |
| Amova Asset Management Americas, Inc. | 0.05% | Reduce -12.3% | 518,441 | $4.1M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -12.3% | 518,441 | $4.1M |
| State of Michigan Retirement System | 0.02% | No change | 493,798 | $3.9M |
| Portolan Capital Management, LLC | 0.16% | New | 379,197 | $3.0M |
| First Manhattan Co. Llc. | 0.01% | New | 373,822 | $3.0M |
| Northern Trust Corp. | 0.00% | Reduce -9.9% | 354,918 | $2.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -40.3% | 342,475 | $2.7M |
| Wellington Shields Capital Management, LLC | 0.39% | Add +16.4% | 340,000 | $2.7M |
| Oracle Investment Management Inc. | 1.77% | Add +47.9% | 339,343 | $2.7M |
| Nuveen, LLC | 0.00% | No change | 308,680 | $2.5M |
| UBS Group AG | 0.00% | Add +3.7% | 306,568 | $2.4M |
| Wellington Shields & Co., LLC | 0.57% | No change | 292,489 | $2.3M |
| Nano Cap New Millennium Growth Fund L P | 1.97% | — | 290,000 | $2.3M |
| TD Asset Management Inc | 0.00% | Add +398.1% | 271,876 | $2.2M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.15% | Add +44.7% | 267,674 | $2.1M |
| Perkins Capital Management Inc. | 1.51% | Reduce -5.3% | 239,000 | $1.9M |
| Bruce & Co., Inc. | 0.57% | Reduce -7.9% | 233,000 | $1.9M |
| Morgan Stanley | 0.00% | Reduce -34.4% | 224,563 | $1.8M |
| Jane Street Group, LLC | 0.00% | New | 171,166 | $1.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.0% | 158,170 | $1.3M |
| D.A. Davidson & Co. | 0.01% | New | 145,507 | $1.2M |
| Williams Jones Wealth Management, LLC. | 0.01% | No change | 134,072 | $1.1M |
| LPL Financial LLC | 0.00% | Reduce -1.3% | 132,343 | $1.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.9% | 122,951 | $979K |
| Barclays PLC | 0.00% | Add +4.5% | 119,951 | $955K |
| American Century Companies Inc. | 0.00% | Add +1.8% | 114,001 | $907K |
| Susquehanna Fundamental Investments, LLC | 0.03% | No change | 108,951 | $867K |
| HRT Financial LP | 0.00% | New | 97,772 | $778K |
| Renaissance Technologies | 0.00% | Reduce -79.5% | 92,994 | $740K |
| Citadel Advisors | 0.00% | New | 92,162 | $734K |
| Royal Bank of Canada | 0.00% | Reduce -48.6% | 79,310 | $631K |
| Green Alpha Advisors, LLC | 0.50% | Add +141.3% | 68,517 | $545K |
| Wells Fargo & Company | 0.00% | Add +36.9% | 64,251 | $511K |
| Rhumbline Advisers | 0.00% | Reduce -13.4% | 64,181 | $511K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | No change | 61,844 | $492K |
| Bank of America Corp. | 0.00% | Add +77.1% | 60,033 | $478K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -12.1% | 56,834 | $452K |
| Sei Investments Co. | 0.00% | New | 56,006 | $446K |
| Verition Fund Management LLC | 0.00% | New | 51,804 | $412K |
| Polen Capital Management LLC | 0.00% | New | 50,705 | $404K |
| AlphaCentric Advisors LLC | 0.38% | — | 47,796 | $380K |
| SG Americas Securities, LLC | 0.00% | New | 44,678 | $356K |
| Invesco Ltd. | 0.00% | Reduce -0.8% | 39,875 | $317K |
| XTX Topco Ltd | 0.01% | Reduce -52.4% | 39,412 | $314K |
| Pathstone Holdings, LLC | 0.00% | New | 39,015 | $311K |
| Deutsche Bank AG | 0.00% | Add +4.5% | 38,827 | $309K |
| Two Sigma Investments, LP | 0.00% | Reduce -42.8% | 32,476 | $259K |
| Susquehanna International Group, LLP | 0.00% | Reduce -28.9% | 30,967 | $246K |
| Janney Montgomery Scott LLC | 0.00% | Add +20.0% | 30,000 | $239K |
| Alliancebernstein L.P. | 0.00% | No change | 28,700 | $228K |
| Citigroup Inc. | 0.00% | Add +1105.6% | 27,608 | $220K |
| JPMorgan Chase & Co. | 0.00% | Add +7.6% | 26,716 | $213K |
| Intech Investment Management LLC | 0.00% | Add +23.4% | 20,342 | $162K |
| US Bancorp \de | 0.00% | New | 20,062 | $160K |
| MetLife Investment Management, LLC | 0.00% | Reduce -37.4% | 18,658 | $149K |
| New York State Common Retirement Fund | 0.00% | No change | 15,800 | $126K |
| Creative Planning | 0.00% | Add +25.6% | 15,768 | $126K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -9.8% | 15,745 | $125K |
| Axq Capital, LP | 0.03% | New | 14,965 | $119K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -6.9% | 14,471 | $115K |
| Stifel Financial Corp. | 0.00% | Reduce -71.0% | 13,933 | $111K |
| Guggenheim Capital LLC | 0.00% | New | 13,578 | $108K |
| Focus Partners Wealth | 0.00% | No change | 13,527 | $108K |
| BNP Paribas Financial Markets | 0.00% | Reduce -9.1% | 13,456 | $107K |
| ProShare Advisors LLC | 0.00% | Add +11.5% | 13,081 | $104K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 12,974 | $103K |
| Scientech Research LLC | 0.06% | New | 12,402 | $99K |
| Brooklyn Investment Group | 0.00% | New | 12,045 | $96K |
| Raymond James Financial Inc. | 0.00% | No change | 11,600 | $92K |
| Simplex Trading, LLC | 0.00% | Add +79.8% | 10,923 | $87K |
| HSBC Holdings PLC | 0.00% | Reduce -79.6% | 10,474 | $84K |
| DRW Securities, LLC | 0.01% | New | 10,483 | $83K |
| AQR Capital Management | 0.00% | New | 10,240 | $82K |
| Osaic Holdings, Inc. | 0.00% | Add +28.7% | 6,495 | $52K |
| AlphaQuest LLC | 0.00% | New | 5,007 | $40K |
| Legal & General Group Plc | 0.00% | No change | 4,572 | $36K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +25.9% | 4,315 | $34K |
| Ameritas Investment Partners, Inc. | 0.00% | Reduce -17.3% | 4,235 | $34K |
| Russell Investments Group, Ltd. | 0.00% | Add +0.8% | 4,184 | $33K |
| International Assets Investment Management, LLC | 0.00% | New | 3,900 | $31K |
| Caitong International Asset Management Co., Ltd | 0.01% | Add +76.1% | 3,423 | $27K |
| FMR LLC | 0.00% | Add +44.0% | 3,391 | $27K |
"% of holder's portfolio" is PSNL's weight in each manager's 13F, not the share of Personalis Inc. the manager owns.