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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 2022

Institutional positions in Personalis, Inc. as of Dec 31, 2022. 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
80
0 vs. Q3 2022
Shares held
27.8M
−566.1K (−2.0%) vs. Q3 2022
Total value
$55.0M
−$28.9M (−34.4%) vs. Q3 2022
New holders
15
27 more added
Sold out
15
27 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 80 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 2022: $55.0M
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 2022

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q3 2022.

Institutions holding PSNL in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest5,500,400$10.9M0.09%+53,888+1.0%Added
BlackRock Inc.3,558,913$7.05M0.00%+273,368+8.3%Added
JPMorgan Chase & Co3,503,239$6.94M0.00%−270,159−7.2%Reduced
Vanguard Group Inc2,035,000$4.03M0.00%−28,888−1.4%Reduced
Alyeska Investment Group, L.P.1,161,672$2.30M0.02%+50,907+4.6%Added
Wellington Shields & Co., LLC1,013,313$2.01M0.46%+86,947+9.4%Added
Sumitomo Mitsui Trust Holdings, Inc.889,870$1.76M0.00%−60,231−6.3%Reduced
Nikko Asset Management Americas, Inc.889,870$1.76M0.03%−60,231−6.3%Reduced
Wellington Shields Capital Management, LLC863,138$1.71M0.21%−112,227−11.5%Reduced
Millennium Management LLC857,647$1.70M0.00%−630,315−42.4%Reduced
D. E. Shaw & Co., Inc.735,153$1.46M0.00%+257,266+53.8%Added
Renaissance Technologies LLC642,911$1.27M0.00%−45,424−6.6%Reduced
Acadian Asset Management LLC538,864$1.06M0.01%+258,461+92.2%Added
State of Michigan Retirement System443,798$878.7K0.01%00.0%Unchanged
Geode Capital Management, LLC368,345$729.0K0.00%+6,379+1.8%Added
Monarch Partners Asset Management LLC321,406$636.4K0.19%+2,343+0.7%Added
Pacific Heights Asset Management LLC310,000$613.8K0.06%00.0%Unchanged
Two Sigma Advisers, LP290,500$575.2K0.00%−19,600−6.3%Reduced
UBS Group AG261,260$517.3K0.00%+100,471+62.5%Added
Citadel Advisors LLC236,160$467.6K0.00%+27,945+13.4%Added
Marshall Wace, LLP221,823$439.2K0.00%−215,698−49.3%Reduced
Fred Alger Management, LLC209,100$414.0K0.00%−150.0%Reduced
Jacobs Levy Equity Management, Inc201,225$398.4K0.00%−74,828−27.1%Reduced
Dimensional Fund Advisors LP159,391$315.0K0.00%+51,987+48.4%Added
Gsa Capital Partners LLP156,574$310.0K0.04%+5,898+3.9%Added
Bank of Montreal139,800$278.2K0.00%+139,800New
Man Group plc138,214$273.7K0.00%+138,214New
LPL Financial LLC137,850$272.9K0.00%+58,013+72.7%Added
Ameriprise Financial Inc127,765$253.0K0.00%+18,332+16.8%Added
B. Riley Asset Management, LLC125,670$248.8K0.11%+125,670New
State Street Corp118,142$233.9K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC115,500$228.7K0.01%00.0%Unchanged
Tudor Investment Corp Et Al114,512$227.0K0.01%+23,870+26.3%Added
Anson Funds Management LP104,972$207.8K0.07%+104,972New
Goldman Sachs Group Inc89,226$176.7K0.00%+8,740+10.9%Added
Price T Rowe Associates Inc88,900$176.0K0.00%00.0%Unchanged
Northern Trust Corp84,200$166.7K0.00%−373−0.4%Reduced
Royal Bank of Canada77,608$153.0K0.00%+1,714+2.3%Added
Green Alpha Advisors, LLC66,616$132.0K0.11%+977+1.5%Added
Morgan Stanley65,428$129.5K0.00%−134,546−67.3%Reduced
Prosight Management, LP58,668$116.2K0.06%+58,668New
HSBC Holdings PLC53,240$104.3K0.00%+23,165+77.0%Added
Boothbay Fund Management, LLC51,129$101.2K0.00%+51,129New
Two Sigma Investments, LP50,965$100.9K0.00%−54,045−51.5%Reduced
Bruce & Co., Inc.50,000$99.0K0.03%+50,000New
Bank of America Corp48,125$95.3K0.00%+12,492+35.1%Added
Barclays PLC45,024$89.1K0.00%+3,707+9.0%Added
Susquehanna International Group, LLP44,278$87.7K0.00%+28,719+184.6%Added
Ergoteles LLC37,962$75.2K0.00%+37,962New
Cubist Systematic Strategies, LLC28,674$56.8K0.00%−6,385−18.2%Reduced
Board of Trustees of The Leland Stanford Junior University25,262$50.0K0.01%00.0%Unchanged
Jane Street Group, LLC25,052$49.6K0.00%−6,412−20.4%Reduced
Russell Investments Group, Ltd.24,870$49.2K0.00%+13,640+121.5%Added
Caxton Associates LP24,524$48.6K0.00%−61,670−71.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.22,979$45.5K0.00%−41,456−64.3%Reduced
Charles Schwab Investment Management Inc22,941$45.4K0.00%+22,941New
Ieq Capital, LLC22,000$43.6K0.00%00.0%Unchanged
Algert Global LLC20,254$40.1K0.00%−36,620−64.4%Reduced
Howland Capital Management LLC20,200$40.0K0.00%00.0%Unchanged
Pathstone Family Office, LLC17,309$34.3K0.00%−456−2.6%Reduced
Tower Research Capital LLC (TRC)16,800$34.0K0.00%−11,602−40.8%Reduced
Public Employees Retirement System of Ohio16,926$34.0K0.00%−8,565−33.6%Reduced
Parallel Advisors, LLC16,522$32.7K0.00%00.0%Unchanged
Hoylecohen, LLC15,373$30.4K0.00%00.0%Unchanged
Engineers Gate Manager LP15,161$30.0K0.00%+15,161New
Bank of New York Mellon Corp14,999$29.7K0.00%−2,514−14.4%Reduced
Prelude Capital Management, LLC12,074$23.9K0.00%−3,400−22.0%Reduced
Brinker Capital Investments, LLC10,443$20.7K0.00%+10,443New
FMR LLC8,914$17.6K0.00%+8,914New
Zurcher Kantonalbank (Zurich Cantonalbank)6,582$13.0K0.00%−33−0.5%Reduced
Advisor Group Holdings, Inc.3,457$7.09K0.00%+691+25.0%Added
Federated Hermes, Inc.2,966$5.87K0.00%+1,391+88.3%Added
Simplex Trading, LLC2,340$4.00K0.00%−15,617−87.0%Reduced
Quantbot Technologies LP1,144$2.27K0.00%+1,144New
Citigroup Inc578$1.14K0.00%+28+5.1%Added
BNP Paribas Arbitrage, SA570$1.13K0.00%+203+55.3%Added
Wells Fargo & Company257$5090.00%−4,939−95.1%Reduced
Steward Partners Investment Advisory, LLC100$1980.00%00.0%Unchanged
Sofos Investments, Inc.2$80.00%+2New
IFP Advisors, Inc124––+124New
Swedbank AB0$00.00%−400,250−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−115,035−100.0%Sold out
Gabelli Funds LLC0$00.00%−72,200−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−42,376−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−39,879−100.0%Sold out
Shelton Capital Management0$00.00%−37,624−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−28,923−100.0%Sold out
PDT Partners, LLC0$00.00%−25,847−100.0%Sold out
LMR Partners LLP0$00.00%−17,127−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−14,700−100.0%Sold out
Great West Life Assurance Co0$00.00%−1,282−100.0%Sold out
US Bancorp0$00.00%−737−100.0%Sold out
China Universal Asset Management Co., Ltd.0$00.00%−430−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−152−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−1−100.0%Sold out
American Portfolios Advisors––––Not filed