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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, Q2 2024

Institutional positions in Personalis, Inc. as of Jun 30, 2024. 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
69
−2 vs. Q1 2024
Shares held
22.0M
−314.4K (−1.4%) vs. Q1 2024
Total value
$25.7M
−$7.49M (−22.6%) vs. Q1 2024
New holders
7
12 more added
Sold out
9
29 more reduced

Compare with Q1 2024: 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 holdersQ2 2024: 69 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 heldQ2 2024: $25.7M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q1 2024.

Institutions holding PSNL in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest6,361,886$7.44M0.07%+296,413+4.9%Added
BlackRock Inc.3,292,113$3.85M0.00%+11,392+0.3%Added
Vanguard Group Inc1,904,165$2.23M0.00%00.0%Unchanged
Acadian Asset Management LLC1,057,956$1.24M0.00%+66,128+6.7%Added
Renaissance Technologies LLC1,029,311$1.20M0.00%−68,200−6.2%Reduced
Sumitomo Mitsui Trust Holdings, Inc.885,417$1.04M0.00%−92,217−9.4%Reduced
Nikko Asset Management Americas, Inc.885,417$1.04M0.01%−92,217−9.4%Reduced
Jacobs Levy Equity Management, Inc735,005$860.0K0.00%−86,652−10.5%Reduced
State of Michigan Retirement System493,798$577.7K0.00%00.0%Unchanged
Wellington Shields Capital Management, LLC436,931$511.2K0.09%00.0%Unchanged
Gsa Capital Partners LLP426,876$499.0K0.03%+6,735+1.6%Added
Geode Capital Management, LLC415,402$486.1K0.00%+20,380+5.2%Added
Citadel Advisors LLC355,241$415.6K0.00%−152,296−30.0%Reduced
Bruce & Co., Inc.300,000$351.0K0.12%00.0%Unchanged
Wellington Shields & Co., LLC292,489$342.2K0.11%−1,608−0.5%Reduced
Howland Capital Management LLC262,608$307.3K0.01%+51,490+24.4%Added
Perkins Capital Management Inc257,307$301.0K0.28%+257,307New
D. E. Shaw & Co., Inc.195,352$228.6K0.00%+14,057+7.8%Added
LPL Financial LLC191,228$223.7K0.00%−19,800−9.4%Reduced
Susquehanna International Group, LLP138,560$162.1K0.00%+121,256+700.7%Added
Bridgeway Capital Management, LLC135,600$158.7K0.00%00.0%Unchanged
State Street Corp130,242$152.4K0.00%00.0%Unchanged
Morgan Stanley126,446$147.9K0.00%+6,540+5.5%Added
Millennium Management LLC120,864$141.4K0.00%−112,873−48.3%Reduced
Marshall Wace, LLP109,852$128.5K0.00%−101,050−47.9%Reduced
Green Alpha Advisors, LLC108,591$127.1K0.10%−10,362−8.7%Reduced
Man Group plc102,451$119.9K0.00%−189,718−64.9%Reduced
Price T Rowe Associates Inc95,000$112.0K0.00%00.0%Unchanged
Two Sigma Advisers, LP88,400$103.4K0.00%−16,500−15.7%Reduced
UBS Group AG87,959$102.9K0.00%+76,748+684.6%Added
Royal Bank of Canada75,891$89.0K0.00%00.0%Unchanged
Dimensional Fund Advisors LP75,373$88.2K0.00%−10,217−11.9%Reduced
Balyasny Asset Management LLC65,895$77.1K0.00%+65,895New
Jane Street Group, LLC64,610$75.6K0.00%+1,059+1.7%Added
Northern Trust Corp56,116$65.7K0.00%−18,442−24.7%Reduced
Connor, Clark & Lunn Investment Management Ltd.54,823$64.1K0.00%−9,590−14.9%Reduced
HSBC Holdings PLC45,465$54.1K0.00%00.0%Unchanged
Barclays PLC45,024$52.7K0.00%00.0%Unchanged
Goldman Sachs Group Inc44,815$52.4K0.00%−27,558−38.1%Reduced
Pathstone Holdings, LLC35,528$41.6K0.00%−485−1.3%Reduced
Prudential Financial Inc33,750$39.5K0.00%00.0%Unchanged
Stifel Financial Corp30,000$35.1K0.00%+30,000New
XTX Topco Ltd28,912$33.8K0.00%−100,646−77.7%Reduced
Ameriprise Financial Inc28,872$33.8K0.00%−11,076−27.7%Reduced
Prime Capital Investment Advisors, LLC27,673$32.4K0.00%−441−1.6%Reduced
Tower Research Capital LLC (TRC)26,505$31.0K0.00%+1,479+5.9%Added
Charles Schwab Investment Management Inc22,941$26.8K0.00%00.0%Unchanged
Ieq Capital, LLC22,000$25.7K0.00%00.0%Unchanged
Russell Investments Group, Ltd.18,644$21.8K0.00%−2,500−11.8%Reduced
Parallel Advisors, LLC16,522$19.3K0.00%00.0%Unchanged
Board of Trustees of The Leland Stanford Junior University15,790$18.5K0.00%−3,158−16.7%Reduced
Bank of America Corp15,507$18.1K0.00%−605−3.8%Reduced
Banque Cantonale Vaudoise15,000$18.0K0.00%00.0%Unchanged
Hoylecohen, LLC15,373$18.0K0.00%00.0%Unchanged
Eqis Capital Management, Inc.12,502$14.6K0.00%+12,502New
Davy Global Fund Management Ltd10,599$12.4K0.00%+10,599New
Public Employees Retirement System of Ohio9,123$10.7K0.00%−10,577−53.7%Reduced
US Bancorp5,100$5.97K0.00%−4,000−44.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)4,344$5.08K0.00%−679−13.5%Reduced
International Assets Investment Management, LLC3,900$4.56K0.00%+3,900New
Rhumbline Advisers3,709$4.34K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,951$2.28K0.00%−1,500−43.5%Reduced
WR Wealth Planners, LLC1,200$1.40K0.00%00.0%Unchanged
Principal Securities, Inc.205$2400.00%−26−11.3%Reduced
JPMorgan Chase & Co200$2340.00%00.0%Unchanged
BNP Paribas Arbitrage, SA135$1580.00%00.0%Unchanged
Qube Research & Technologies Ltd109$1280.00%−3,107−96.6%Reduced
Redwood Wealth Management Group, LLC100$1170.00%+100New
Group One Trading, L.P.1$10.00%00.0%Unchanged
Squarepoint Ops LLC0$00.00%−81,542−100.0%Sold out
HRT Financial LP0$00.00%−42,409−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−36,976−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−30,962−100.0%Sold out
Virtu Financial LLC0$00.00%−27,664−100.0%Sold out
Wells Fargo & Company0$00.00%−307−100.0%Sold out
Comerica Bank0$00.00%−283−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−100−100.0%Sold out
Citigroup Inc0$00.00%−85−100.0%Sold out