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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, Q1 2026

Institutional positions in Personalis, Inc. as of Mar 31, 2026. 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
140
+16 vs. Q4 2025
Shares held
84.6M
+7.21M (+9.3%) vs. Q4 2025
Total value
$538.8M
−$77.4M (−12.6%) vs. Q4 2025
New holders
36
47 more added
Sold out
20
36 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 140 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 heldQ1 2026: $538.8M
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, Q1 2026

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q4 2025.

Institutions holding PSNL in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Police & Firemen's Retirement System of New Jersey12,974$82.6K0.00%00.0%Unchanged
Raymond James Financial Inc12,800$81.5K0.00%+1,200+10.3%Added
Axq Capital, LP12,350$78.7K0.01%−2,615−17.5%Reduced
ProShare Advisors LLC11,950$76.1K0.00%−1,131−8.6%Reduced
KLP Kapitalforvaltning AS11,700$74.5K0.00%+11,700New
Advisor Group Holdings, Inc.11,495$73.2K0.00%+5,000+77.0%Added
Intech Investment Management LLC10,945$69.7K0.00%−9,397−46.2%Reduced
Citigroup Inc7,324$46.7K0.00%−20,284−73.5%Reduced
Mirae Asset Global Investments Co., Ltd.5,458$34.8K0.00%+1,143+26.5%Added
Ameritas Investment Partners, Inc.4,235$27.0K0.00%00.0%Unchanged
International Assets Investment Management, LLC3,900$25.6K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC3,600$22.9K0.00%+3,600New
Opal Wealth Advisors, LLC3,500$22.3K0.01%+3,500New
California State Teachers Retirement System2,714$17.3K0.00%−373−12.1%Reduced
Farther Finance Advisors, LLC2,311$15.2K0.00%−178−7.2%Reduced
Quantbot Technologies LP2,239$14.3K0.00%+2,239New
GF Fund Management Co. Ltd.1,982$12.6K0.00%+238+13.6%Added
Northwestern Mutual Wealth Management Co1,977$12.6K0.00%+1,977New
Sterling Capital Management LLC1,661$10.6K0.00%−1,226−42.5%Reduced
UBS Asset Management Americas Inc1,099$7.00K0.00%+1,052+2,238.3%Added
The PNC Financial Services Group, Inc.1,061$6.76K0.00%00.0%Unchanged
Ancora Advisors, LLC690$4.39K0.00%00.0%Unchanged
Great West Life Assurance Co701$4.00K0.00%+701New
GAMMA Investing LLC596$3.80K0.00%+424+246.5%Added
UMA Financial Services, Inc.437$2.78K0.00%00.0%Unchanged
Jones Financial Companies LLLP289$1.83K0.00%00.0%Unchanged
CWM, LLC235$1.50K0.00%+211+879.2%Added
Sound Income Strategies, LLC200$1.31K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC172$1.10K0.00%+7+4.2%Added
SBI Securities Co., Ltd.162$1.03K0.00%−25−13.4%Reduced
Huntington National Bank144$9170.00%+144New
Keating Financial Advisory Services, Inc.100$6370.00%00.0%Unchanged
Rothschild Investment LLC85$5410.00%+85New
Allworth Financial LP80$5100.00%+3+3.9%Added
Caitong International Asset Management Co., Ltd77$4900.00%−3,346−97.8%Reduced
Twin Peaks Wealth Advisors, LLC72$4590.00%+72New
Harbour Investments, Inc.53$3420.00%+53New
MAI Capital Management31$1980.00%−69−69.0%Reduced
Swiss Life Asset Management Ltd30,116––+30,116New
Berbice Capital Management LLC100––−220−68.8%Reduced
Next Century Growth Investors LLC0$00.00%−624,363−100.0%Sold out
Jane Street Group, LLC0$00.00%−171,166−100.0%Sold out
D.A. Davidson & Co.0$00.00%−145,507−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−108,951−100.0%Sold out
Citadel Advisors LLC0$00.00%−92,162−100.0%Sold out
Verition Fund Management LLC0$00.00%−51,804−100.0%Sold out
Polen Capital Management LLC0$00.00%−50,705−100.0%Sold out
Stifel Financial Corp0$00.00%−13,933−100.0%Sold out
Colony Group, LLC0$00.00%−13,527−100.0%Sold out
Skopos Labs, Inc.0$00.00%−12,045−100.0%Sold out
Simplex Trading, LLC0$00.00%−10,923−100.0%Sold out
HSBC Holdings PLC0$00.00%−10,474−100.0%Sold out
DRW Securities, LLC0$00.00%−10,483−100.0%Sold out
Quest Partners LLC0$00.00%−5,007−100.0%Sold out
Amalgamated Bank0$00.00%−1,575−100.0%Sold out
MCF Advisors LLC0$00.00%−800−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−200−100.0%Sold out
Signaturefd, LLC0$00.00%−57−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−36−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−9−100.0%Sold out
Vanguard Group Inc––––Not filed
Oracle Investment Management Inc––––Not filed