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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 2021

Institutional positions in Personalis, Inc. as of Mar 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
134
No complete 13F data for Q4 2020
Shares held
30.9M
No complete 13F data for Q4 2020
Total value
$763.1M
No complete 13F data for Q4 2020

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 2021: 134 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 2021: $763.1M
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 2021

Shares, value and share of portfolio for each institution holding Personalis, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding PSNL in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest5,705,827$140.4M0.28%––
JPMorgan Chase & Co3,635,289$89.5M0.01%––
BlackRock Inc.2,604,306$64.1M0.00%––
Vanguard Group Inc1,631,177$40.1M0.00%––
Swedbank AB1,287,285$31.7M0.07%––
Sumitomo Mitsui Trust Holdings, Inc.1,222,678$30.1M0.02%––
Nikko Asset Management Americas, Inc.1,222,678$30.1M0.15%––
Wellington Shields & Co., LLC920,478$22.7M8.12%––
Wellington Shields Capital Management, LLC909,569$22.4M2.13%––
Two Sigma Investments, LP751,809$18.5M0.06%––
Morgan Stanley706,466$17.4M0.00%––
Renaissance Technologies LLC673,100$16.6M0.02%––
Marshall Wace, LLP550,536$13.5M0.07%––
Pura Vida Investments, LLC548,052$13.5M0.93%––
Two Sigma Advisers, LP490,800$12.1M0.03%––
State Street Corp467,348$11.5M0.00%––
Geode Capital Management, LLC460,427$11.3M0.00%––
State of Michigan Retirement System443,798$10.9M0.07%––
Dimensional Fund Advisors LP387,950$9.57M0.00%––
Voloridge Investment Management, LLC373,759$9.20M0.07%––
Millennium Management LLC355,989$8.76M0.01%––
Citadel Advisors LLC346,475$8.53M0.01%––
Northern Trust Corp310,990$7.65M0.00%––
Pier Capital, LLC305,259$7.51M0.71%––
Candriam Luxembourg S.C.A.211,316$7.43M0.06%––
Alyeska Investment Group, L.P.284,826$7.01M0.09%––
Goldman Sachs Group Inc252,682$6.22M0.00%––
Pacific Heights Asset Management LLC185,000$4.55M0.42%––
Charles Schwab Investment Management Inc184,749$4.55M0.00%––
Tekla Capital Management LLC179,731$4.42M0.15%––
Mirae Asset Global Investments Co., Ltd.150,625$3.71M0.01%––
PDT Partners, LLC139,541$3.43M0.25%––
Premier Fund Managers Ltd150,119$3.43M0.13%––
Fred Alger Management, LLC137,419$3.38M0.01%––
Cubist Systematic Strategies, LLC130,139$3.20M0.04%––
RTW Investments, LP127,501$3.14M0.05%––
Citigroup Inc125,475$3.09M0.00%––
Sectoral Asset Management Inc120,500$2.97M0.22%––
Gabelli Funds LLC117,071$2.88M0.02%––
Parian Global Management LP116,550$2.87M1.34%––
Panagora Asset Management Inc110,220$2.71M0.02%––
Bank of America Corp106,791$2.63M0.00%––
Engineers Gate Manager LP102,157$2.51M0.12%––
Nuveen Asset Management, LLC100,068$2.46M0.00%––
Bank of New York Mellon Corp90,434$2.23M0.00%––
Royal Bank of Canada82,096$2.02M0.00%––
Moore Capital Management, LP64,037$1.58M0.03%––
Swiss National Bank63,200$1.55M0.00%––
Ameriprise Financial Inc61,318$1.51M0.00%––
Deutsche Bank AG59,315$1.46M0.00%––
Susquehanna International Group, LLP51,409$1.26M0.00%––
Shelton Capital Management50,000$1.23M0.04%––
California Public Employees Retirement System48,200$1.19M0.00%––
Barclays PLC46,064$1.13M0.00%––
Principal Financial Group Inc41,942$1.03M0.00%––
Jump Financial, LLC41,729$1.03M0.10%––
Bank of Montreal44,214$1.02M0.00%––
California State Teachers Retirement System39,745$978.0K0.00%––
HRT Financial LP35,722$879.0K0.01%––
Jane Street Group, LLC31,128$766.0K0.00%––
UBS Asset Management Americas Inc29,700$730.9K0.00%––
UBS Group AG26,001$639.0K0.00%––
Rhumbline Advisers25,554$629.0K0.00%––
Board of Trustees of The Leland Stanford Junior University25,262$622.0K0.05%––
Trexquant Investment LP24,300$598.0K0.05%––
Migdal Insurance & Financial Holdings Ltd.23,514$579.0K0.01%––
Wells Fargo & Company23,046$568.0K0.00%––
New York State Common Retirement Fund22,700$559.0K0.00%––
Victory Capital Management Inc22,053$543.0K0.00%––
DekaBank Deutsche Girozentrale23,800$540.0K0.00%––
STRS Ohio21,500$529.0K0.00%––
Dynamic Technology Lab Private Ltd20,160$496.0K0.06%––
Qube Research & Technologies Ltd19,901$490.0K0.01%––
Alliancebernstein L.P.19,200$473.0K0.00%––
Allianz Asset Management GmbH18,512$456.0K0.00%––
Parametric Portfolio Associates LLC18,470$455.0K0.00%––
Algert Global LLC18,058$444.0K0.14%––
IndexIQ Advisors LLC17,596$433.0K0.02%––
Credit Suisse AG16,648$410.0K0.00%––
Parallel Advisors, LLC16,643$410.0K0.02%––
Quantbot Technologies LP15,877$390.0K0.04%––
American International Group, Inc.15,358$378.0K0.00%––
Hoylecohen, LLC15,373$378.0K0.04%––
Manufacturers Life Insurance Company, The15,135$372.0K0.00%––
Capital Fund Management S.A.14,453$355.7K0.01%––
Summit Global Investments13,800$340.0K0.02%––
State of Wisconsin Investment Board13,700$337.0K0.00%––
Wedbush Securities Inc13,600$335.0K0.02%––
Aigen Investment Management, LP13,324$328.0K0.04%––
ProShare Advisors LLC13,103$322.0K0.00%––
Walleye Capital LLC12,475$307.0K0.02%––
ETF Managers Group, LLC12,995$296.0K0.01%––
Gladstone Institutional Advisory LLC12,000$295.0K0.05%––
Zurcher Kantonalbank (Zurich Cantonalbank)11,225$276.0K0.00%––
Voya Investment Management LLC11,000$271.0K0.00%––
MetLife Investment Management9,566$235.4K0.00%––
State Board of Administration of Florida Retirement System9,330$230.0K0.00%––
Invesco Ltd.9,126$224.0K0.00%––
Ergoteles LLC9,036$222.0K0.01%––
SlateStone Wealth, LLC8,800$217.0K0.05%––