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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 2024

Institutional positions in Personalis, Inc. as of Dec 31, 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
107
+25 vs. Q3 2024
Shares held
51.6M
+22.3M (+76.1%) vs. Q3 2024
Total value
$298.2M
+$140.8M (+89.4%) vs. Q3 2024
New holders
31
24 more added
Sold out
6
36 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 107 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 2024: $298.2M
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 2024

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q3 2024.

Institutions holding PSNL in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Merck & Co., Inc.14,044,943$81.2M31.46%+14,044,943New
Lightspeed Management Company, L.L.C.8,160,734$47.2M16.63%+8,160,734New
ARK Investment Management LLCSuperinvestorARK Invest6,775,435$39.2M0.33%−310,088−4.4%Reduced
AIGH Capital Management LLC3,799,064$22.0M8.27%−200,000−5.0%Reduced
BlackRock, Inc.2,955,170$17.1M0.00%+39,487+1.4%Added
Vanguard Group Inc1,734,886$10.0M0.00%−235,711−12.0%Reduced
Millennium Management LLC1,317,296$7.61M0.01%−1,118,056−45.9%Reduced
Blue Water Life Science Advisors, LLC1,132,900$6.55M5.80%+132,900+13.3%Added
Renaissance Technologies LLC920,868$5.32M0.01%−10,243−1.1%Reduced
Susquehanna International Group, LLP873,097$5.05M0.01%+718,336+464.2%Added
Sumitomo Mitsui Trust Holdings, Inc.733,313$4.24M0.00%−59,295−7.5%Reduced
Nikko Asset Management Americas, Inc.733,313$4.23M0.05%−59,295−7.5%Reduced
Geode Capital Management, LLC498,093$2.88M0.00%−377−0.1%Reduced
State of Michigan Retirement System493,798$2.85M0.01%00.0%Unchanged
Wellington Shields Capital Management, LLC431,181$2.49M0.44%−1,000−0.2%Reduced
Acadian Asset Management LLC415,906$2.40M0.01%−92,234−18.2%Reduced
Dimensional Fund Advisors LP410,083$2.37M0.00%+242,141+144.2%Added
Jane Street Group, LLC401,314$2.32M0.00%+237,033+144.3%Added
Qube Research & Technologies Ltd398,521$2.30M0.00%+267,737+204.7%Added
Jacobs Levy Equity Management, Inc388,522$2.25M0.01%−17,148−4.2%Reduced
Standard Life Aberdeen plc297,889$1.72M0.00%+297,889New
Wellington Shields & Co., LLC292,489$1.69M0.52%00.0%Unchanged
Howland Capital Management LLC262,608$1.52M0.07%00.0%Unchanged
Perkins Capital Management Inc257,307$1.49M1.32%00.0%Unchanged
Bruce & Co., Inc.253,000$1.46M0.47%−47,000−15.7%Reduced
Morgan Stanley249,748$1.44M0.00%+140,923+129.5%Added
Bank of America Corp212,527$1.23M0.00%−30,474−12.5%Reduced
State Street Corp198,363$1.15M0.00%+23,221+13.3%Added
Goldman Sachs Group Inc182,720$1.06M0.00%+140,227+330.0%Added
Two Sigma Investments, LP145,662$841.9K0.00%+67,403+86.1%Added
LPL Financial LLC143,915$831.8K0.00%−6,773−4.5%Reduced
Williams Jones Wealth Management, LLC.134,072$774.9K0.01%+118,572+765.0%Added
683 Capital Management, LLC134,000$774.5K0.08%+134,000New
Barclays PLC109,368$632.1K0.00%+43,900+67.1%Added
Connor, Clark & Lunn Investment Management Ltd.103,586$598.7K0.00%−5,202−4.8%Reduced
Jump Financial, LLC101,732$588.0K0.01%+101,732New
Citadel Advisors LLC99,027$572.4K0.00%+64,037+183.0%Added
Price T Rowe Associates Inc95,000$550.0K0.00%00.0%Unchanged
Squarepoint Ops LLC91,684$529.9K0.00%+74,664+438.7%Added
Northern Trust Corp89,005$514.4K0.00%−4,440−4.8%Reduced
Gsa Capital Partners LLP86,334$499.0K0.04%−37,748−30.4%Reduced
Bridgeway Capital Management, LLC85,600$494.8K0.01%00.0%Unchanged
Omers Administration Corp81,400$470.5K0.00%+81,400New
Royal Bank of Canada75,946$439.0K0.00%−1,530−2.0%Reduced
BNP Paribas Arbitrage, SA71,856$415.3K0.00%+71,721+53,126.7%Added
Marshall Wace, LLP70,010$404.7K0.00%−386,966−84.7%Reduced
Balyasny Asset Management LLC60,127$347.5K0.00%+60,127New
American Century Companies Inc50,321$290.9K0.00%+25,011+98.8%Added
Citigroup Inc48,230$278.8K0.00%−27,619−36.4%Reduced
EntryPoint Capital, LLC47,513$274.6K0.12%+47,513New
Dynamic Technology Lab Private Ltd43,685$252.0K0.04%+43,685New
UBS Group AG41,927$242.3K0.00%+34,850+492.4%Added
Centiva Capital, LP40,372$233.3K0.01%−30,242−42.8%Reduced
HSBC Holdings PLC40,918$230.0K0.00%00.0%Unchanged
Jefferies Financial Group Inc.39,600$228.9K0.00%+20,200+104.1%Added
Green Alpha Advisors, LLC38,982$225.3K0.18%−26,529−40.5%Reduced
Susquehanna Fundamental Investments, LLC37,666$217.7K0.00%+37,666New
Ameriprise Financial Inc34,407$198.9K0.00%+9,535+38.3%Added
Two Sigma Advisers, LP34,300$198.3K0.00%+7,000+25.6%Added
Algert Global LLC33,940$196.2K0.00%−2,030−5.6%Reduced
XTX Topco Ltd33,469$193.5K0.02%+33,469New
Cubist Systematic Strategies, LLC25,686$148.5K0.00%−131,553−83.7%Reduced
Davy Global Fund Management Ltd25,168$145.5K0.02%+10,065+66.6%Added
Stifel Financial Corp25,000$144.5K0.00%+5,000+25.0%Added
ExodusPoint Capital Management, LP23,054$133.0K0.00%+23,054New
Charles Schwab Investment Management Inc22,941$132.6K0.00%00.0%Unchanged
Trexquant Investment LP22,155$128.1K0.00%+22,155New
Ieq Capital, LLC22,000$127.2K0.00%00.0%Unchanged
Prudential Financial Inc18,350$106.1K0.00%00.0%Unchanged
Engineers Gate Manager LP17,346$100.3K0.00%−12,476−41.8%Reduced
Parallel Advisors, LLC16,522$95.5K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.14,980$86.6K0.01%+14,980New
Russell Investments Group, Ltd.14,557$84.1K0.00%−1,947−11.8%Reduced
Schonfeld Strategic Advisors LLC14,360$83.0K0.00%+14,360New
Invesco Ltd.14,190$82.0K0.00%+14,190New
Colony Group, LLC13,527$78.2K0.00%−2,006−12.9%Reduced
Man Group plc12,708$73.5K0.00%−29,697−70.0%Reduced
Boothbay Fund Management, LLC12,560$72.6K0.00%+12,560New
Walleye Capital LLC11,848$68.5K0.00%−154,940−92.9%Reduced
Prime Capital Investment Advisors, LLC11,772$68.0K0.00%−14,854−55.8%Reduced
Arrowstreet Capital, Limited Partnership11,482$66.4K0.00%−15,978−58.2%Reduced
Raymond James Financial Inc11,100$64.2K0.00%+11,100New
SG Americas Securities, LLC10,829$63.0K0.00%+10,829New
Alpine Global Management, LLC10,412$60.2K0.02%+10,412New
Keebeck Alpha, LP10,284$59.4K0.06%+10,284New
Pathstone Holdings, LLC10,215$59.1K0.00%−4,690−31.5%Reduced
JPMorgan Chase & Co5,854$33.8K0.00%+5,654+2,827.0%Added
Point72 Asia (Singapore) Pte. Ltd.4,880$28.2K0.01%+4,880New
Rhumbline Advisers3,709$21.4K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.2,354$13.8K0.00%+2,354New
Group One Trading, L.P.2,281$13.2K0.00%+2,281New
Advisor Group Holdings, Inc.1,951$11.3K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,483$8.57K0.00%+1,483New
Public Employees Retirement System of Ohio1,226$7.09K0.00%−6,000−83.0%Reduced
WR Wealth Planners, LLC1,200$6.94K0.00%00.0%Unchanged
US Bancorp1,000$5.78K0.00%−3,600−78.3%Reduced
Ancora Advisors, LLC800$4.62K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd688$3.98K0.00%+688New
Point72 (DIFC) Ltd531$3.07K0.00%+531New
Wells Fargo & Company522$3.02K0.00%+279+114.8%Added