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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 2023

Institutional positions in Personalis, Inc. as of Dec 31, 2023. 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
+7 vs. Q3 2023
Shares held
22.0M
−2.67M (−10.8%) vs. Q3 2023
Total value
$46.1M
+$16.2M (+54.0%) vs. Q3 2023
New holders
14
20 more added
Sold out
7
18 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 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 heldQ4 2023: $46.1M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q3 2023.

Institutions holding PSNL in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest6,671,545$14.0M0.08%+952,118+16.6%Added
BlackRock Inc.3,315,268$6.96M0.00%−14,610−0.4%Reduced
Vanguard Group Inc2,070,094$4.35M0.00%+4,493+0.2%Added
Sumitomo Mitsui Trust Holdings, Inc.1,083,685$2.28M0.00%00.0%Unchanged
Nikko Asset Management Americas, Inc.1,083,685$2.25M0.02%00.0%Unchanged
Renaissance Technologies LLC840,811$1.77M0.00%+288,336+52.2%Added
Acadian Asset Management LLC520,182$1.09M0.00%+145,045+38.7%Added
Wellington Shields Capital Management, LLC477,831$1.00M0.13%−179,906−27.4%Reduced
D. E. Shaw & Co., Inc.465,242$977.0K0.00%+78,901+20.4%Added
State of Michigan Retirement System443,798$932.0K0.01%00.0%Unchanged
Citadel Advisors LLC432,145$907.5K0.00%+309,839+253.3%Added
Gsa Capital Partners LLP395,643$831.0K0.07%+258,285+188.0%Added
Geode Capital Management, LLC389,709$818.6K0.00%+17,811+4.8%Added
Jacobs Levy Equity Management, Inc335,835$705.3K0.00%−109,068−24.5%Reduced
Pacific Heights Asset Management LLC310,000$651.0K0.06%00.0%Unchanged
Bruce & Co., Inc.300,000$630.0K0.22%+150,000+100.0%Added
Wellington Shields & Co., LLC294,097$617.6K0.23%−310,170−51.3%Reduced
Millennium Management LLC266,897$560.5K0.00%+152,003+132.3%Added
LPL Financial LLC192,953$405.2K0.00%−1,186−0.6%Reduced
Marshall Wace, LLP151,681$318.5K0.00%+151,681New
State Street Corp130,242$273.5K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC129,500$271.9K0.01%−25,000−16.2%Reduced
Morgan Stanley123,372$259.1K0.00%+16,082+15.0%Added
XTX Topco Ltd119,405$250.8K0.05%+119,405New
Green Alpha Advisors, LLC119,305$250.5K0.18%−7,859−6.2%Reduced
Dimensional Fund Advisors LP107,562$226.1K0.00%−109,776−50.5%Reduced
Two Sigma Advisers, LP106,300$223.2K0.00%−17,300−14.0%Reduced
Northern Trust Corp98,559$207.0K0.00%+11,968+13.8%Added
Royal Bank of Canada94,191$198.0K0.00%+18,300+24.1%Added
Goldman Sachs Group Inc94,044$197.5K0.00%+49,233+109.9%Added
Quadrature Capital Ltd73,001$152.2K0.00%+73,001New
Price T Rowe Associates Inc60,100$127.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp59,511$125.0K0.00%+31,538+112.7%Added
Man Group plc56,540$118.7K0.00%––
Barclays PLC45,024$94.6K0.00%00.0%Unchanged
Squarepoint Ops LLC44,198$92.8K0.00%+31,899+259.4%Added
HSBC Holdings PLC45,465$92.7K0.00%00.0%Unchanged
Howland Capital Management LLC42,844$90.0K0.00%+5,000+13.2%Added
Susquehanna International Group, LLP39,403$82.7K0.00%+39,403New
Pathstone Holdings, LLC36,396$76.4K0.00%+36,396New
Prudential Financial Inc28,150$59.1K0.00%00.0%Unchanged
Prime Capital Investment Advisors, LLC27,766$58.3K0.00%−1,643−5.6%Reduced
Charles Schwab Investment Management Inc22,941$48.2K0.00%00.0%Unchanged
Russell Investments Group, Ltd.22,234$46.7K0.00%−1,620−6.8%Reduced
Board of Trustees of The Leland Stanford Junior University22,105$46.4K0.00%−3,157−12.5%Reduced
Ieq Capital, LLC22,000$46.2K0.00%00.0%Unchanged
Jane Street Group, LLC19,440$40.8K0.00%+19,440New
Parallel Advisors, LLC16,522$34.7K0.00%00.0%Unchanged
Hoylecohen, LLC15,373$32.3K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.15,073$31.7K0.00%+15,073New
Bank of America Corp13,544$28.4K0.00%−49−0.4%Reduced
Scientech Research LLC11,455$23.9K0.02%+11,455New
Cubist Systematic Strategies, LLC11,090$23.3K0.00%+11,090New
HRT Financial LP10,739$22.0K0.00%−7,702−41.8%Reduced
UBS Group AG10,230$21.5K0.00%−10,380−50.4%Reduced
Banque Cantonale Vaudoise10,000$21.0K0.00%+10,000New
Baader Bank INC10,701$16.7K0.00%+10,701New
Zurcher Kantonalbank (Zurich Cantonalbank)5,190$10.9K0.00%−423−7.5%Reduced
Advisor Group Holdings, Inc.4,206$8.83K0.00%−2,495−37.2%Reduced
Rhumbline Advisers3,709$7.79K0.00%00.0%Unchanged
Qube Research & Technologies Ltd3,116$6.54K0.00%+3,107+34,522.2%Added
JPMorgan Chase & Co886$1.86K0.00%−3,535,231−100.0%Reduced
Simplex Trading, LLC513$1.00K0.00%+513New
Wells Fargo & Company302$6340.00%+19+6.7%Added
Comerica Bank283$5940.00%+78+38.0%Added
Principal Securities, Inc.250$5250.00%+250New
FMR LLC220$4620.00%+220New
BNP Paribas Arbitrage, SA135$2840.00%00.0%Unchanged
Group One Trading, L.P.1$20.00%00.0%Unchanged
Alyeska Investment Group, L.P.0$00.00%−1,245,668−100.0%Sold out
Ameriprise Financial Inc0$00.00%−108,707−100.0%Sold out
Two Sigma Investments, LP0$00.00%−21,600−100.0%Sold out
Virtu Financial LLC0$00.00%−18,201−100.0%Sold out
Bragg Financial Advisors, Inc0$00.00%−12,644−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,129−100.0%Sold out
WR Wealth Planners, LLC0$00.00%−1,200−100.0%Sold out
Pathstone Family Office, LLC––––Not filed