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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 2021

Institutional positions in Personalis, Inc. as of Dec 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
108
−12 vs. Q3 2021
Shares held
32.2M
+746.9K (+2.4%) vs. Q3 2021
Total value
$456.2M
−$148.0M (−24.5%) vs. Q3 2021
New holders
11
43 more added
Sold out
23
36 more reduced

Compare with Q3 2021: 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 2021: 108 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 2021: $456.2M
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 2021

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q3 2021.

Institutions holding PSNL in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest4,888,115$69.8M0.21%−277,245−5.4%Reduced
BlackRock Inc.4,389,333$62.6M0.00%+857,372+24.3%Added
JPMorgan Chase & Co4,280,383$61.1M0.01%−76,040−1.7%Reduced
Vanguard Group Inc2,074,523$29.6M0.00%+140,123+7.2%Added
Millennium Management LLC1,350,852$19.3M0.02%+1,137,636+533.6%Added
Swedbank AB1,347,250$19.2M0.03%+49,864+3.8%Added
Sumitomo Mitsui Trust Holdings, Inc.1,080,140$15.4M0.01%−4,886−0.5%Reduced
Wellington Shields Capital Management, LLC922,990$13.2M1.69%+12,204+1.3%Added
Wellington Shields & Co., LLC920,478$13.1M2.62%00.0%Unchanged
Nikko Asset Management Americas, Inc.1,080,140$13.0M0.07%−4,886−0.5%Reduced
Marshall Wace, LLP761,325$10.9M0.02%−530,923−41.1%Reduced
Alyeska Investment Group, L.P.755,084$10.8M0.12%+420,258+125.5%Added
State Street Corp697,034$9.95M0.00%+52,021+8.1%Added
Geode Capital Management, LLC649,374$9.27M0.00%+78,005+13.7%Added
Ameriprise Financial Inc452,540$6.46M0.00%+364,497+414.0%Added
State of Michigan Retirement System443,798$6.33M0.03%00.0%Unchanged
Two Sigma Investments, LP388,757$5.55M0.01%−31,498−7.5%Reduced
Two Sigma Advisers, LP360,300$5.14M0.01%−66,300−15.5%Reduced
Northern Trust Corp356,945$5.09M0.00%−7,191−2.0%Reduced
Candriam Luxembourg S.C.A.352,500$5.03M0.03%+10,633+3.1%Added
Pacific Heights Asset Management LLC310,000$4.42M0.37%+50,000+19.2%Added
Charles Schwab Investment Management Inc254,867$3.64M0.00%+5,066+2.0%Added
Morgan Stanley237,998$3.40M0.00%−58,772−19.8%Reduced
Nordea Investment Management AB215,778$3.15M0.00%−3,056−1.4%Reduced
Fred Alger Management, LLC214,412$3.06M0.01%+62,943+41.6%Added
Point72 Asset Management, L.P.201,713$2.88M0.01%+40,872+25.4%Added
Monarch Partners Asset Management LLC190,098$2.71M0.55%−69,299−26.7%Reduced
Goldman Sachs Group Inc177,079$2.53M0.00%−32,980−15.7%Reduced
Citadel Advisors LLC154,516$2.21M0.00%−78,632−33.7%Reduced
Voloridge Investment Management, LLC140,804$2.01M0.01%+16,640+13.4%Added
Mirae Asset Global Investments Co., Ltd.133,060$1.90M0.00%−58,569−30.6%Reduced
Nuveen Asset Management, LLC145,127$1.87M0.00%−8,344−5.4%Reduced
Bank of New York Mellon Corp122,381$1.75M0.00%−2,581−2.1%Reduced
Norges Bank99,800$1.42M0.00%00.0%Unchanged
Dimensional Fund Advisors LP97,732$1.40M0.00%−8,727−8.2%Reduced
Shelton Capital Management97,000$1.38M0.05%+12,000+14.1%Added
Gabelli Funds LLC96,071$1.37M0.01%−30,000−23.8%Reduced
Bank of America Corp93,649$1.34M0.00%+40,368+75.8%Added
Gsa Capital Partners LLP89,140$1.27M0.16%+39,776+80.6%Added
Royal Bank of Canada84,247$1.20M0.00%+3,401+4.2%Added
Susquehanna Fundamental Investments, LLC76,196$1.09M0.03%+10,642+16.2%Added
Engineers Gate Manager LP72,834$1.04M0.05%+751+1.0%Added
Swiss National Bank72,200$1.03M0.00%00.0%Unchanged
Barclays PLC70,708$1.01M0.00%+41,788+144.5%Added
Cubist Systematic Strategies, LLC62,997$899.0K0.01%+25,502+68.0%Added
BNP Paribas Arbitrage, SA56,825$810.9K0.00%+47,768+527.4%Added
Panagora Asset Management Inc54,903$783.0K0.00%+30,661+126.5%Added
California State Teachers Retirement System47,642$680.0K0.00%+1,465+3.2%Added
Rhumbline Advisers46,861$669.0K0.00%−1,488−3.1%Reduced
Algert Global LLC43,646$623.0K0.08%+10,610+32.1%Added
Susquehanna International Group, LLP42,411$605.0K0.00%+27,571+185.8%Added
Citigroup Inc40,260$575.0K0.00%+4,629+13.0%Added
Cinctive Capital Management LP40,000$571.0K0.03%+40,000New
UBS Asset Management Americas Inc36,328$518.4K0.00%−3,008−7.6%Reduced
UBS Group AG34,181$487.0K0.00%+29,219+588.9%Added
Alliancebernstein L.P.33,500$478.0K0.00%00.0%Unchanged
Green Alpha Advisors, LLC30,255$432.0K0.29%+4,169+16.0%Added
New York State Common Retirement Fund25,722$367.0K0.00%−34−0.1%Reduced
Credit Suisse AG25,455$363.0K0.00%+343+1.4%Added
Board of Trustees of The Leland Stanford Junior University25,262$360.0K0.02%00.0%Unchanged
Deutsche Bank AG24,989$357.0K0.00%−8,555−25.5%Reduced
Jane Street Group, LLC24,305$347.0K0.00%+24,305New
Wells Fargo & Company23,401$333.0K0.00%−20,416−46.6%Reduced
Price T Rowe Associates Inc22,889$327.0K0.00%+22,889New
Skandinaviska Enskilda Banken AB (publ)22,821$325.0K0.00%00.0%Unchanged
Legal & General Group Plc22,069$315.0K0.00%+8,208+59.2%Added
Ieq Capital, LLC22,000$314.0K0.01%−24−0.1%Reduced
Aristides Capital LLC21,260$303.0K0.17%+21,260New
Manufacturers Life Insurance Company, The19,687$281.0K0.00%+245+1.3%Added
American International Group, Inc.19,137$273.0K0.00%−573−2.9%Reduced
PDT Partners, LLC18,463$263.0K0.02%−12,858−41.1%Reduced
Parallel Advisors, LLC17,274$246.0K0.01%+730+4.4%Added
IndexIQ Advisors LLC17,160$245.0K0.01%−1,109−6.1%Reduced
HSBC Holdings PLC15,448$224.0K0.00%+15,448New
Hoylecohen, LLC15,373$219.0K0.02%00.0%Unchanged
Parametric Portfolio Associates LLC15,105$216.0K0.00%+1,632+12.1%Added
State Board of Administration of Florida Retirement System14,759$211.0K0.00%+509+3.6%Added
STRS Ohio14,600$208.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)14,549$208.0K0.00%+2,866+24.5%Added
ProShare Advisors LLC14,171$202.0K0.00%+70+0.5%Added
Invesco Ltd.14,045$200.0K0.00%−3,675−20.7%Reduced
Voya Investment Management LLC13,818$197.0K0.00%−123−0.9%Reduced
MetLife Investment Management13,385$191.0K0.00%00.0%Unchanged
Vident Investment Advisory, LLC12,818$183.0K0.00%+12,818New
Raymond James & Associates12,183$174.0K0.00%−30,905−71.7%Reduced
Allegheny Financial Group LTD10,233$146.0K0.06%+10,233New
SG Americas Securities, LLC10,052$143.0K0.00%−16,701−62.4%Reduced
Metropolitan Life Insurance Co9,858$140.7K0.00%−390−3.8%Reduced
Allspring Global Investments Holdings, LLC7,933$113.0K0.00%+7,933New
Advisor Group Holdings, Inc.4,206$61.0K0.00%+286+7.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main3,747$53.4K0.00%00.0%Unchanged
Quantbot Technologies LP3,464$49.0K0.00%−5,036−59.2%Reduced
Ameritas Investment Partners, Inc.2,791$40.0K0.00%00.0%Unchanged
Great West Life Assurance Co1,682$24.0K0.00%+297+21.4%Added
Macquarie Group Ltd1,395$20.0K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,500$17.0K0.00%−2,000−57.1%Reduced
Migdal Insurance & Financial Holdings Ltd.1,225$17.0K0.00%−740−37.7%Reduced
Simplex Trading, LLC1,108$15.0K0.00%+1,108New
Tower Research Capital LLC (TRC)1,003$14.0K0.00%−1,788−64.1%Reduced
US Bancorp760$11.0K0.00%+473+164.8%Added