Skip to main content

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, Q3 2021

Institutional positions in Personalis, Inc. as of Sep 30, 2021. 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
120
−16 vs. Q2 2021
Shares held
31.4M
−533.7K (−1.7%) vs. Q2 2021
Total value
$604.2M
−$203.7M (−25.2%) vs. Q2 2021
New holders
9
48 more added
Sold out
25
37 more reduced

Compare with Q2 2021: 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.

Institutional holdersQ3 2021: 120 institutions
Q1 2021: 134 institutionsQ2 2021: 136 institutionsQ3 2021: 120 institutionsQ4 2021: 108 institutionsQ1 2022: 125 institutionsQ2 2022: 99 institutionsQ3 2022: 81 institutionsQ4 2022: 80 institutionsQ1 2023: 63 institutionsQ2 2023: 66 institutionsQ3 2023: 63 institutionsQ4 2023: 69 institutionsQ1 2024: 71 institutionsQ2 2024: 69 institutionsQ3 2024: 83 institutionsQ4 2024: 107 institutionsQ1 2025: 104 institutionsQ2 2025: 105 institutionsQ3 2025: 109 institutionsQ4 2025: 126 institutionsQ1 2026: 140 institutionsQ2 2026: 158 institutions
Value heldQ3 2021: $604.2M
Q1 2021: $763.1MQ2 2021: $807.9MQ3 2021: $604.2MQ4 2021: $456.2MQ1 2022: $265.3MQ2 2022: $105.6MQ3 2022: $83.9MQ4 2022: $55.0MQ1 2023: $75.0MQ2 2023: $49.0MQ3 2023: $30.0MQ4 2023: $46.1MQ1 2024: $33.2MQ2 2024: $25.7MQ3 2024: $157.6MQ4 2024: $298.2MQ1 2025: $192.4MQ2 2025: $396.6MQ3 2025: $421.8MQ4 2025: $644.8MQ1 2026: $538.8MQ2 2026: $1.14B
Institutions holding PSNL and their total value by quarter
QuarterHoldersValue
Q2 2026158$1.14B
Q1 2026140$538.8M
Q4 2025126$644.8M
Q3 2025109$421.8M
Q2 2025105$396.6M
Q1 2025104$192.4M
Q4 2024107$298.2M
Q3 202483$157.6M
Q2 202469$25.7M
Q1 202471$33.2M
Q4 202369$46.1M
Q3 202363$30.0M
Q2 202366$49.0M
Q1 202363$75.0M
Q4 202280$55.0M
Q3 202281$83.9M
Q2 202299$105.6M
Q1 2022125$265.3M
Q4 2021108$456.2M
Q3 2021120$604.2M
Q2 2021136$807.9M
Q1 2021134$763.1M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q2 2021.

Institutions holding PSNL in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Alyeska Investment Group, L.P.334,826$6.44M0.08%−100,000−23.0%Reduced
Candriam Luxembourg S.C.A.341,867$6.58M0.04%+20,000+6.2%Added
Northern Trust Corp364,136$7.01M0.00%+3,503+1.0%Added
Two Sigma Investments, LP420,255$8.09M0.02%−15,376−3.5%Reduced
Two Sigma Advisers, LP426,600$8.21M0.02%−77,300−15.3%Reduced
State of Michigan Retirement System443,798$8.54M0.05%00.0%Unchanged
Pura Vida Investments, LLC479,651$9.23M0.70%+4,643+1.0%Added
Renaissance Technologies LLC487,713$9.38M0.01%+13,913+2.9%Added
Geode Capital Management, LLC571,369$11.0M0.00%+27,419+5.0%Added
State Street Corp645,013$12.4M0.00%+38,139+6.3%Added
Wellington Shields Capital Management, LLC910,786$17.5M2.39%+701+0.1%Added
Wellington Shields & Co., LLC920,478$17.7M6.18%00.0%Unchanged
Nikko Asset Management Americas, Inc.1,085,026$20.5M0.09%+12,309+1.1%Added
Sumitomo Mitsui Trust Holdings, Inc.1,085,026$20.9M0.01%+2,111+0.2%Added
Marshall Wace, LLP1,292,248$24.9M0.12%−1,979−0.2%Reduced
Swedbank AB1,297,386$25.0M0.05%−50.0%Reduced
Vanguard Group Inc1,934,400$37.2M0.00%+116,022+6.4%Added
BlackRock Inc.3,531,961$68.0M0.00%+45,996+1.3%Added
JPMorgan Chase & Co4,356,423$83.8M0.01%+262,127+6.4%Added
ARK Investment Management LLCSuperinvestorARK Invest5,165,360$99.4M0.24%+223,396+4.5%Added
Tekla Capital Management LLC0$00.00%−179,731−100.0%Sold out
RTW Investments, LP0$00.00%−127,501−100.0%Sold out
Parian Global Management LP0$00.00%−111,605−100.0%Sold out
DuPont Capital Management Corp0$00.00%−33,585−100.0%Sold out
Cinctive Capital Management LP0$00.00%−30,000−100.0%Sold out
Jump Financial, LLC0$00.00%−29,433−100.0%Sold out
Capital Fund Management S.A.0$00.00%−25,178−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−22,600−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−20,400−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−13,700−100.0%Sold out
Quadrature Capital Ltd0$00.00%−12,663−100.0%Sold out
Victory Capital Management Inc0$00.00%−11,626−100.0%Sold out
Wedbush Securities Inc0$00.00%−9,518−100.0%Sold out
Squarepoint Ops LLC0$00.00%−9,434−100.0%Sold out
Arizona State Retirement System0$00.00%−8,908−100.0%Sold out
Cresset Asset Management, LLC0$00.00%−8,100−100.0%Sold out
Vident Investment Advisory, LLC0$00.00%−8,013−100.0%Sold out
SlateStone Wealth, LLC0$00.00%−8,000−100.0%Sold out
Banque Cantonale Vaudoise0$00.00%−1,500−100.0%Sold out
Cutler Group LP0$00.00%−500−100.0%Sold out
Carroll Financial Associates, Inc.0$00.00%−200−100.0%Sold out
IFP Advisors, Inc0$00.00%−100−100.0%Sold out
Adirondack Trust Co0$00.00%−75−100.0%Sold out
Toronto Dominion Bank0$00.00%−30−100.0%Sold out
Advisory Services Network, LLC0$00.00%−32−100.0%Sold out