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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, Q3 2023

Institutional positions in Personalis, Inc. as of Sep 30, 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
63
−3 vs. Q2 2023
Shares held
24.7M
−1.40M (−5.4%) vs. Q2 2023
Total value
$30.0M
−$19.0M (−38.8%) vs. Q2 2023
New holders
6
11 more added
Sold out
9
24 more reduced

Compare with Q2 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 holdersQ3 2023: 63 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 heldQ3 2023: $30.0M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q2 2023.

Institutions holding PSNL in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest5,719,427$6.92M0.05%−16,736−0.3%Reduced
JPMorgan Chase & Co3,536,117$4.28M0.00%−50,277−1.4%Reduced
BlackRock Inc.3,329,878$4.03M0.00%−65,048−1.9%Reduced
Vanguard Group Inc2,065,601$2.50M0.00%00.0%Unchanged
Alyeska Investment Group, L.P.1,245,668$1.51M0.01%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.1,083,685$1.31M0.00%00.0%Unchanged
Nikko Asset Management Americas, Inc.1,083,685$1.31M0.02%00.0%Unchanged
Wellington Shields Capital Management, LLC657,737$795.9K0.11%−221,451−25.2%Reduced
Wellington Shields & Co., LLC604,267$731.2K0.18%−13,144−2.1%Reduced
Renaissance Technologies LLC552,475$668.0K0.00%+100,275+22.2%Added
Jacobs Levy Equity Management, Inc444,903$538.3K0.00%−62,658−12.3%Reduced
State of Michigan Retirement System443,798$537.0K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.386,341$467.5K0.00%−31,321−7.5%Reduced
Acadian Asset Management LLC375,137$452.0K0.00%−127,759−25.4%Reduced
Geode Capital Management, LLC371,898$450.1K0.00%+6,179+1.7%Added
Pacific Heights Asset Management LLC310,000$375.1K0.04%00.0%Unchanged
Dimensional Fund Advisors LP217,338$263.0K0.00%−111,155−33.8%Reduced
LPL Financial LLC194,139$234.9K0.00%−6,442−3.2%Reduced
Bridgeway Capital Management, LLC154,500$186.9K0.00%00.0%Unchanged
Bruce & Co., Inc.150,000$181.5K0.06%00.0%Unchanged
Gsa Capital Partners LLP137,358$166.0K0.01%+106,824+349.9%Added
State Street Corp130,242$157.6K0.00%00.0%Unchanged
Green Alpha Advisors, LLC127,164$153.9K0.12%+77,255+154.8%Added
Two Sigma Advisers, LP123,600$149.6K0.00%−39,500−24.2%Reduced
Citadel Advisors LLC122,306$148.0K0.00%−42,712−25.9%Reduced
Millennium Management LLC114,894$139.0K0.00%+69,054+150.6%Added
Ameriprise Financial Inc108,707$131.5K0.00%−5,783−5.1%Reduced
Morgan Stanley107,290$129.8K0.00%−29,625−21.6%Reduced
Man Group plc–$128.8K0.00%––
Northern Trust Corp86,591$104.8K0.00%−2,886−3.2%Reduced
Royal Bank of Canada75,891$92.0K0.00%−18,932−20.0%Reduced
Price T Rowe Associates Inc60,100$73.0K0.00%00.0%Unchanged
HSBC Holdings PLC45,465$54.6K0.00%00.0%Unchanged
Barclays PLC45,024$54.5K0.00%00.0%Unchanged
Goldman Sachs Group Inc44,811$54.2K0.00%−2,496−5.3%Reduced
Howland Capital Management LLC37,844$45.8K0.00%+17,644+87.3%Added
Pathstone Family Office, LLC37,081$44.9K0.00%+22,204+149.3%Added
Prime Capital Investment Advisors, LLC29,409$35.6K0.00%+29,409New
Prudential Financial Inc28,150$34.1K0.00%+28,150New
Bank of New York Mellon Corp27,973$33.8K0.00%−353−1.2%Reduced
Board of Trustees of The Leland Stanford Junior University25,262$30.6K0.00%00.0%Unchanged
Russell Investments Group, Ltd.23,854$28.9K0.00%−1,308−5.2%Reduced
Charles Schwab Investment Management Inc22,941$27.8K0.00%00.0%Unchanged
Ieq Capital, LLC22,000$26.6K0.00%00.0%Unchanged
Two Sigma Investments, LP21,600$26.1K0.00%−26,800−55.4%Reduced
UBS Group AG20,610$24.9K0.00%+2,996+17.0%Added
HRT Financial LP18,441$22.0K0.00%−1,463−7.4%Reduced
Virtu Financial LLC18,201$22.0K0.00%+18,201New
Parallel Advisors, LLC16,522$20.0K0.00%00.0%Unchanged
Hoylecohen, LLC15,373$18.6K0.00%00.0%Unchanged
Bank of America Corp13,593$16.4K0.00%−20,982−60.7%Reduced
Bragg Financial Advisors, Inc12,644$15.3K0.00%00.0%Unchanged
Squarepoint Ops LLC12,299$14.9K0.00%+12,299New
Advisor Group Holdings, Inc.6,701$8.11K0.00%+487+7.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)5,613$6.79K0.00%−475−7.8%Reduced
Rhumbline Advisers3,709$4.49K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)3,129$3.79K0.00%−218−6.5%Reduced
WR Wealth Planners, LLC1,200$1.45K0.00%00.0%Unchanged
Wells Fargo & Company283$3420.00%+7+2.5%Added
Comerica Bank205$2480.00%+205New
BNP Paribas Arbitrage, SA135$1630.00%+3+2.3%Added
Qube Research & Technologies Ltd9$110.00%+9New
Group One Trading, L.P.1$10.00%00.0%Unchanged
Fred Alger Management, LLC0$00.00%−584,779−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−107,358−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−13,072−100.0%Sold out
BSW Wealth Partners0$00.00%−10,078−100.0%Sold out
FMR LLC0$00.00%−3,221−100.0%Sold out
First Horizon Advisors, Inc.0$00.00%−900−100.0%Sold out
Bogart Wealth, LLC0$00.00%−31−100.0%Sold out
Sofos Investments, Inc.0$00.00%−2−100.0%Sold out
Simplex Trading, LLC0$00.00%−385−100.0%Sold out