PersonalisPSNL
13F holders, Q2 2026 (June 30)158holders +18
41new positions
22sold out
5famous investors
$13.42avg. 13F price*
At the end of Q2 2026, 158 institutions reported holding Personalis Inc. (PSNL) in their 13F filings, up 18 from Q1 2026. 41 opened new positions and 22 sold out. The largest holders were Merck & Co., Inc. ($188.2M), ARK Investment Management ($110.8M) and BlackRock, Inc. ($94.9M). 5 famous investors held it, including Cathie Wood (0.7% of ARK Investment Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Personalis Inc.
- CUSIP
- 71535D106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $50.7M |
| Exits | 22 | $48.9M |
All 13F filers, Q1 2026 → Q2 2026: 15,407,012 shares bought and 15,056,275 shares sold, net +350,737 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 158 holders
| Merck & Co., Inc. | 35.75% | No change | 14,044,943 | $188.2M |
| ARK Investment Management | 0.72% | Add +4.1% | 8,271,339 | $110.8M |
| BlackRock, Inc. | 0.00% | Add +31.4% | 7,082,491 | $94.9M |
| Lightspeed Management Company, L.L.C. | 3.40% | Reduce -25.2% | 6,101,850 | $81.8M |
| Ameriprise Financial Inc. | 0.02% | Reduce -19.8% | 6,086,315 | $81.6M |
| Deep Track Capital, LP | 0.79% | Add +33.3% | 4,000,000 | $53.6M |
| Aberdeen Group plc | 0.07% | Add +7.4% | 3,747,290 | $50.2M |
| Vanguard Capital Management LLC | 0.00% | Add +4.9% | 3,010,150 | $40.3M |
| Casdin Capital, LLC | 1.71% | Add +59.4% | 2,550,000 | $34.2M |
| Kennedy Capital Management LLC | 0.56% | Add +8.3% | 2,364,282 | $31.7M |
| Geode Capital Management, LLC | 0.00% | Add +40.4% | 1,822,445 | $24.4M |
| Bank of America Corp. | 0.00% | Add +1535.6% | 1,820,541 | $24.4M |
| AIGH Capital Management LLC | 2.08% | Reduce -40.9% | 1,715,000 | $23.0M |
| Blue Water Life Science Advisors, LP | 14.15% | No change | 1,676,300 | $22.5M |
| Dimensional Fund Advisors LP | 0.00% | Add +40.4% | 1,496,983 | $20.1M |
| State Street Corp. | 0.00% | Add +31.1% | 1,487,077 | $19.9M |
| Morgan Stanley | 0.00% | Add +435.6% | 1,270,946 | $17.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +26.3% | 931,031 | $12.5M |
| HRT Financial LP | 0.02% | Add +345.6% | 930,816 | $12.5M |
| Nuveen, LLC | 0.00% | Add +119.2% | 753,004 | $10.1M |
| Jane Street Group, LLC | 0.01% | New | 738,241 | $9.9M |
| Vanguard Portfolio Management LLC | 0.00% | Add +17.7% | 659,834 | $8.8M |
| Northern Trust Corp. | 0.00% | Add +55.9% | 632,803 | $8.5M |
| Trexquant Investment LP | 0.05% | New | 600,216 | $8.0M |
| Howland Capital Management LLC | 0.27% | Add +1.6% | 555,641 | $7.4M |
| State of Michigan Retirement System | 0.03% | No change | 493,798 | $6.6M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +33.5% | 453,257 | $6.1M |
| Millennium Management | 0.00% | Add +7.4% | 450,160 | $6.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -13.8% | 417,488 | $5.6M |
| Amova Asset Management Americas, Inc. | 0.07% | Reduce -13.8% | 417,488 | $5.6M |
| BNP Paribas Financial Markets | 0.00% | Add +2575.4% | 364,764 | $4.9M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.30% | Add +8.8% | 351,741 | $4.7M |
| Wellington Shields Capital Management, LLC | 0.58% | No change | 339,733 | $4.6M |
| Wellington Shields & Co., LLC | 0.88% | No change | 292,489 | $3.9M |
| Militia Capital Management LLC | 0.71% | New | 291,881 | $3.9M |
| Gilder Gagnon Howe & Co. LLC | 0.04% | New | 278,490 | $3.7M |
| Tudor Investment Corporation | 0.02% | Add +30.7% | 274,321 | $3.7M |
| Stempoint Capital LP | 0.57% | New | 247,783 | $3.3M |
| Perkins Capital Management Inc. | 2.41% | No change | 239,000 | $3.2M |
| Bruce & Co., Inc. | 0.84% | No change | 233,000 | $3.1M |
| First Manhattan Co. Llc. | 0.01% | No change | 230,600 | $3.1M |
| Udine Wealth Management, Inc. | 1.19% | New | 50,030 | $2.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +44.7% | 209,320 | $2.8M |
| Bank of New York Mellon Corp | 0.00% | Add +51.7% | 189,065 | $2.5M |
| Fred Alger Management, LLC | 0.01% | New | 165,579 | $2.2M |
| UBS Group AG | 0.00% | Reduce -57.0% | 164,761 | $2.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -90.4% | 158,838 | $2.1M |
| Nano Cap New Millennium Growth Fund L P | 1.62% | Reduce -33.0% | 157,500 | $2.1M |
| Citadel Advisors | 0.00% | New | 144,998 | $1.9M |
| Swiss National Bank | 0.00% | Add +29.5% | 136,500 | $1.8M |
| Williams Jones Wealth Management, LLC. | 0.02% | No change | 134,072 | $1.8M |
| LPL Financial LLC | 0.00% | Add +0.5% | 132,602 | $1.8M |
| Jump Financial, LLC | 0.02% | New | 130,294 | $1.7M |
| Russell Investments Group, Ltd. | 0.00% | Add +24.3% | 126,670 | $1.7M |
| Susquehanna Portfolio Strategies, LLC | 0.03% | Add +97.9% | 121,299 | $1.6M |
| Engineers Gate Manager LP | 0.02% | New | 115,842 | $1.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +78.4% | 105,225 | $1.4M |
| Janney Montgomery Scott LLC | 0.00% | Add +40.0% | 105,001 | $1.4M |
| American Century Companies Inc. | 0.00% | Reduce -12.7% | 100,094 | $1.3M |
| Brevan Howard Capital Management LP | 0.02% | New | 99,542 | $1.3M |
| Kercheville Advisors, LLC | 0.38% | New | 93,800 | $1.3M |
| Citigroup Inc. | 0.00% | Add +1165.8% | 92,708 | $1.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +7822.5% | 87,068 | $1.2M |
| Susquehanna International Group, LLP | 0.00% | Reduce -41.8% | 86,982 | $1.2M |
| Rhumbline Advisers | 0.00% | Add +36.8% | 86,321 | $1.2M |
| Tidal Investments LLC | 0.00% | New | 85,504 | $1.1M |
| Invesco Ltd. | 0.00% | Add +32.9% | 83,368 | $1.1M |
| AlphaCentric Advisors LLC | 0.90% | Add +23.3% | 78,924 | $1.1M |
| California State Teachers Retirement System | 0.00% | Add +2673.3% | 75,266 | $1.0M |
| Green Alpha Advisors, LLC | 0.61% | Add +1.6% | 67,467 | $904K |
| Wells Fargo & Company | 0.00% | Add +130.5% | 66,775 | $895K |
| Deutsche Bank AG | 0.00% | Add +89.7% | 66,188 | $887K |
| Royal Bank of Canada | 0.00% | Reduce -18.8% | 63,947 | $857K |
| XTX Topco Ltd | 0.01% | Add +268.8% | 59,143 | $793K |
| Two Sigma Investments, LP | 0.00% | Reduce -36.9% | 57,258 | $767K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +58.9% | 56,427 | $756K |
| Barclays PLC | 0.00% | Add +3.6% | 53,437 | $716K |
| Sei Investments Co. | 0.00% | Reduce -62.6% | 52,033 | $697K |
| Cerity Partners LLC | 0.00% | Add +44.5% | 49,264 | $660K |
| ExodusPoint Capital Management, LP | 0.01% | New | 49,256 | $660K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 48,989 | $656K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +51.1% | 47,022 | $630K |
| JPMorgan Chase & Co. | 0.00% | Reduce -92.6% | 42,569 | $585K |
| Gsa Capital Partners LLP | 0.04% | Reduce -47.4% | 43,244 | $579K |
| Qube Research & Technologies Ltd | 0.00% | New | 40,842 | $547K |
| Atom Investors LP | 0.05% | New | 40,763 | $546K |
| MetLife Investment Management, LLC | 0.00% | Add +42.0% | 39,769 | $533K |
| Pathstone Holdings, LLC | 0.00% | Add +1.5% | 39,015 | $520K |
| Dynamic Technology Lab Private Ltd | 0.11% | New | 38,394 | $514K |
| AlpInvest Partners B.V. | 0.84% | New | 37,703 | $505K |
| WINTON GROUP Ltd | 0.02% | New | 37,013 | $496K |
| Legal & General Group Plc | 0.00% | Add +31.5% | 36,419 | $488K |
| Alliancebernstein L.P. | 0.00% | Add +156.8% | 73,700 | $469K |
| Entropy Technologies, LP | 0.02% | New | 30,420 | $408K |
| Jupiter Topco LLC | 0.00% | — | 30,200 | $405K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -19.9% | 28,015 | $375K |
| Ieq Capital, LLC | 0.00% | New | 27,327 | $366K |
| Marshall Wace, LLP | 0.00% | New | 26,730 | $358K |
| Voleon Capital Management LP | 0.01% | New | 26,502 | $355K |
| Captrust Financial Advisors | 0.00% | Add +8.8% | 25,591 | $343K |
"% of holder's portfolio" is PSNL's weight in each manager's 13F, not the share of Personalis Inc. the manager owns.