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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 2024

Institutional positions in Personalis, Inc. as of Sep 30, 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
83
+16 vs. Q2 2024
Shares held
29.3M
+10.7M (+57.2%) vs. Q2 2024
Total value
$157.6M
+$135.8M (+622.3%) vs. Q2 2024
New holders
24
17 more added
Sold out
8
28 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 83 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 2024: $157.6M
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 2024

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q2 2024.

Institutions holding PSNL in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest7,085,523$38.1M0.35%+723,637+11.4%Added
AIGH Capital Management LLC3,999,064$21.5M10.07%+3,999,064New
BlackRock, Inc.2,915,683$15.7M0.00%+2,915,683New
Millennium Management LLC2,435,352$13.1M0.01%+2,314,488+1,915.0%Added
Vanguard Group Inc1,970,597$10.6M0.00%+66,432+3.5%Added
Blue Water Life Science Advisors, LLC1,000,000$5.38M4.73%+1,000,000New
Renaissance Technologies LLC931,111$5.01M0.01%−98,200−9.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.792,608$4.26M0.00%−92,809−10.5%Reduced
Nikko Asset Management Americas, Inc.792,608$4.26M0.05%−92,809−10.5%Reduced
Acadian Asset Management LLC508,140$2.73M0.01%−549,816−52.0%Reduced
Geode Capital Management, LLC498,470$2.68M0.00%+83,068+20.0%Added
State of Michigan Retirement System493,798$2.66M0.01%00.0%Unchanged
Marshall Wace, LLP456,976$2.46M0.00%+347,124+316.0%Added
Wellington Shields Capital Management, LLC432,181$2.33M0.40%−4,750−1.1%Reduced
Jacobs Levy Equity Management, Inc405,670$2.18M0.01%−329,335−44.8%Reduced
Bruce & Co., Inc.300,000$1.61M0.47%00.0%Unchanged
Wellington Shields & Co., LLC292,489$1.57M0.48%00.0%Unchanged
Howland Capital Management LLC262,608$1.41M0.06%00.0%Unchanged
Perkins Capital Management Inc257,307$1.38M1.30%00.0%Unchanged
Bank of America Corp243,001$1.31M0.00%+227,494+1,467.0%Added
State Street Corp175,142$942.3K0.00%+44,900+34.5%Added
Dimensional Fund Advisors LP167,942$903.4K0.00%+92,569+122.8%Added
Walleye Capital LLC166,788$897.3K0.01%+166,788New
Jane Street Group, LLC164,281$883.8K0.00%+99,671+154.3%Added
Cubist Systematic Strategies, LLC157,239$845.9K0.01%+157,239New
Susquehanna International Group, LLP154,761$832.6K0.00%+16,201+11.7%Added
LPL Financial LLC150,688$810.7K0.00%−40,540−21.2%Reduced
EAM Investors, LLC143,397$771.5K0.12%+143,397New
Qube Research & Technologies Ltd130,784$703.6K0.00%+130,675+119,885.3%Added
Gsa Capital Partners LLP124,082$668.0K0.05%−302,794−70.9%Reduced
Morgan Stanley108,825$585.5K0.00%−17,621−13.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.108,788$585.3K0.00%+53,965+98.4%Added
Price T Rowe Associates Inc95,000$512.0K0.00%00.0%Unchanged
Northern Trust Corp93,445$502.7K0.00%+37,329+66.5%Added
Bridgeway Capital Management, LLC85,600$460.5K0.01%−50,000−36.9%Reduced
Two Sigma Investments, LP78,259$421.0K0.00%+78,259New
Royal Bank of Canada77,476$418.0K0.00%+1,585+2.1%Added
Citigroup Inc75,849$408.1K0.00%+75,849New
Centiva Capital, LP70,614$379.9K0.02%+70,614New
Semanteon Capital Management, LP69,631$374.6K0.26%+69,631New
Green Alpha Advisors, LLC65,511$352.4K0.28%−43,080−39.7%Reduced
Barclays PLC65,468$352.2K0.00%+20,444+45.4%Added
Goldman Sachs Group Inc42,493$228.6K0.00%−2,322−5.2%Reduced
Man Group plc42,405$228.1K0.00%−60,046−58.6%Reduced
HSBC Holdings PLC40,918$218.1K0.00%−4,547−10.0%Reduced
Quantbot Technologies LP38,958$209.6K0.01%+38,958New
Algert Global LLC35,970$193.5K0.01%+35,970New
Citadel Advisors LLC34,990$188.2K0.00%−320,251−90.2%Reduced
Engineers Gate Manager LP29,822$160.4K0.00%+29,822New
Arrowstreet Capital, Limited Partnership27,460$147.7K0.00%+27,460New
Two Sigma Advisers, LP27,300$146.9K0.00%−61,100−69.1%Reduced
Prime Capital Investment Advisors, LLC26,626$143.2K0.00%−1,047−3.8%Reduced
American Century Companies Inc25,310$136.2K0.00%+25,310New
Ameriprise Financial Inc24,872$133.8K0.00%−4,000−13.9%Reduced
AJOVista, LLC24,529$132.0K0.56%+24,529New
Charles Schwab Investment Management Inc22,941$123.4K0.00%00.0%Unchanged
Ieq Capital, LLC22,000$118.4K0.00%00.0%Unchanged
Graham Capital Management, L.P.21,222$114.2K0.00%+21,222New
Stifel Financial Corp20,000$107.6K0.00%−10,000−33.3%Reduced
Jefferies Financial Group Inc.19,400$104.4K0.00%+19,400New
Prudential Financial Inc18,350$98.7K0.00%−15,400−45.6%Reduced
Squarepoint Ops LLC17,020$91.6K0.00%+17,020New
Parallel Advisors, LLC16,522$88.9K0.00%00.0%Unchanged
Russell Investments Group, Ltd.16,504$88.8K0.00%−2,140−11.5%Reduced
Colony Group, LLC15,533$83.6K0.00%+15,533New
Williams Jones Wealth Management, LLC.15,500$83.4K0.00%+15,500New
Davy Global Fund Management Ltd15,103$81.3K0.01%+4,504+42.5%Added
Pathstone Holdings, LLC14,905$80.2K0.00%−20,623−58.0%Reduced
nVerses Capital, LLC7,400$39.8K0.02%+7,400New
Public Employees Retirement System of Ohio7,226$38.9K0.00%−1,897−20.8%Reduced
UBS Group AG7,077$38.1K0.00%−80,882−92.0%Reduced
US Bancorp4,600$24.7K0.00%−500−9.8%Reduced
Rhumbline Advisers3,709$20.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)3,206$17.2K0.00%−1,138−26.2%Reduced
Advisor Group Holdings, Inc.1,951$10.5K0.00%00.0%Unchanged
WR Wealth Planners, LLC1,200$6.46K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,037$5.58K0.00%−25,468−96.1%Reduced
Ancora Advisors, LLC800$4.30K0.00%+800New
Wells Fargo & Company243$1.31K0.00%+243New
JPMorgan Chase & Co200$1.08K0.00%00.0%Unchanged
Principal Securities, Inc.195$1.05K0.00%−10−4.9%Reduced
BNP Paribas Arbitrage, SA135$7260.00%00.0%Unchanged
International Assets Investment Management, LLC20,982––+17,082+438.0%Added
D. E. Shaw & Co., Inc.0$00.00%−195,352−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−65,895−100.0%Sold out
XTX Topco Ltd0$00.00%−28,912−100.0%Sold out
Board of Trustees of The Leland Stanford Junior University0$00.00%−15,790−100.0%Sold out
Banque Cantonale Vaudoise0$00.00%−15,000−100.0%Sold out
Eqis Capital Management, Inc.0$00.00%−12,502−100.0%Sold out
Redwood Wealth Management Group, LLC0$00.00%−100−100.0%Sold out
Group One Trading, L.P.0$00.00%−1−100.0%Sold out
BlackRock Inc.––––Not filed
Hoylecohen, LLC––––Not filed