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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 2021

Institutional positions in Personalis, Inc. as of Dec 31, 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
108
−12 vs. Q3 2021
Shares held
32.2M
+746.9K (+2.4%) vs. Q3 2021
Total value
$456.2M
−$148.0M (−24.5%) vs. Q3 2021
New holders
11
43 more added
Sold out
23
36 more reduced

Compare with Q3 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 holdersQ4 2021: 108 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 heldQ4 2021: $456.2M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q3 2021.

Institutions holding PSNL in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Shields Capital Management, LLC922,990$13.2M1.69%+12,204+1.3%Added
Sumitomo Mitsui Trust Holdings, Inc.1,080,140$15.4M0.01%−4,886−0.5%Reduced
Swedbank AB1,347,250$19.2M0.03%+49,864+3.8%Added
Millennium Management LLC1,350,852$19.3M0.02%+1,137,636+533.6%Added
Vanguard Group Inc2,074,523$29.6M0.00%+140,123+7.2%Added
JPMorgan Chase & Co4,280,383$61.1M0.01%−76,040−1.7%Reduced
BlackRock Inc.4,389,333$62.6M0.00%+857,372+24.3%Added
ARK Investment Management LLCSuperinvestorARK Invest4,888,115$69.8M0.21%−277,245−5.4%Reduced
Renaissance Technologies LLC0$00.00%−487,713−100.0%Sold out
Pura Vida Investments, LLC0$00.00%−479,651−100.0%Sold out
Pier Capital, LLC0$00.00%−302,786−100.0%Sold out
Principal Financial Group Inc0$00.00%−114,428−100.0%Sold out
Bank of Montreal0$00.00%−73,990−100.0%Sold out
DekaBank Deutsche Girozentrale0$00.00%−23,800−100.0%Sold out
First Trust Advisors LP0$00.00%−20,315−100.0%Sold out
PEAK6 Investments LLC0$00.00%−17,951−100.0%Sold out
Caption Management, LLC0$00.00%−13,500−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−12,700−100.0%Sold out
Gladstone Institutional Advisory LLC0$00.00%−11,500−100.0%Sold out
Vigilare Wealth Management0$00.00%−10,440−100.0%Sold out
AQR Capital Management LLC0$00.00%−10,277−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−5,393−100.0%Sold out
Exane Derivatives0$00.00%−4,134−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−3,515−100.0%Sold out
Penserra Capital Management LLC0$00.00%−1,015−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−750−100.0%Sold out
NEXT Financial Group, Inc0$00.00%−380−100.0%Sold out
Brewin Dolphin Ltd0$00.00%−154−100.0%Sold out
Signaturefd, LLC0$00.00%−84−100.0%Sold out
Harbour Investments, Inc.0$00.00%−35−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−59−100.0%Sold out