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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, Q1 2023

Institutional positions in Personalis, Inc. as of Mar 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
63
−16 vs. Q4 2022
Shares held
27.1M
−393.0K (−1.4%) vs. Q4 2022
Total value
$75.0M
+$20.6M (+37.8%) vs. Q4 2022
New holders
5
27 more added
Sold out
21
18 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 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 heldQ1 2023: $75.0M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q4 2022.

Institutions holding PSNL in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest5,780,364$16.0M0.11%+279,964+5.1%Added
JPMorgan Chase & Co3,627,721$10.0M0.00%+124,482+3.6%Added
BlackRock Inc.3,410,815$9.41M0.00%−148,098−4.2%Reduced
Vanguard Group Inc2,065,601$5.70M0.00%+30,601+1.5%Added
Alyeska Investment Group, L.P.1,245,668$3.44M0.03%+83,996+7.2%Added
Sumitomo Mitsui Trust Holdings, Inc.1,018,713$2.81M0.00%+128,843+14.5%Added
Wellington Shields & Co., LLC1,013,313$2.80M0.63%00.0%Unchanged
Balyasny Asset Management LLC1,004,610$2.77M0.01%+1,004,610New
Nikko Asset Management Americas, Inc.1,018,713$2.75M0.03%+128,843+14.5%Added
Wellington Shields Capital Management, LLC882,938$2.44M0.29%+19,800+2.3%Added
Acadian Asset Management LLC647,224$1.78M0.01%+108,360+20.1%Added
Renaissance Technologies LLC447,200$1.23M0.00%−195,711−30.4%Reduced
State of Michigan Retirement System443,798$1.22M0.01%00.0%Unchanged
D. E. Shaw & Co., Inc.406,891$1.12M0.00%−328,262−44.7%Reduced
Geode Capital Management, LLC386,501$1.07M0.00%+18,156+4.9%Added
Pacific Heights Asset Management LLC310,000$855.6K0.08%00.0%Unchanged
Jacobs Levy Equity Management, Inc291,120$803.5K0.00%+89,895+44.7%Added
UBS Group AG264,080$728.9K0.00%+2,820+1.1%Added
Two Sigma Advisers, LP223,400$616.6K0.00%−67,100−23.1%Reduced
Citadel Advisors LLC218,831$604.0K0.00%−17,329−7.3%Reduced
Dimensional Fund Advisors LP214,141$590.7K0.00%+54,750+34.3%Added
Fred Alger Management, LLC209,152$577.3K0.00%+520.0%Added
LPL Financial LLC183,392$506.2K0.00%+45,542+33.0%Added
Bruce & Co., Inc.150,000$414.0K0.11%+100,000+200.0%Added
Millennium Management LLC149,469$413.0K0.00%−708,178−82.6%Reduced
Ameriprise Financial Inc142,810$394.2K0.00%+15,045+11.8%Added
State Street Corp130,242$359.5K0.00%+12,100+10.2%Added
Bridgeway Capital Management, LLC115,500$318.8K0.01%00.0%Unchanged
Man Group plc–$290.3K0.00%––
Susquehanna International Group, LLP97,479$269.0K0.00%+53,201+120.2%Added
Jane Street Group, LLC90,494$249.8K0.00%+65,442+261.2%Added
Northern Trust Corp87,669$242.0K0.00%+3,469+4.1%Added
Royal Bank of Canada75,891$209.0K0.00%−1,717−2.2%Reduced
Goldman Sachs Group Inc75,579$208.6K0.00%−13,647−15.3%Reduced
Barclays PLC75,533$208.5K0.00%+30,509+67.8%Added
Green Alpha Advisors, LLC70,526$194.7K0.14%+3,910+5.9%Added
Price T Rowe Associates Inc60,100$166.0K0.00%−28,800−32.4%Reduced
Two Sigma Investments, LP58,600$161.7K0.00%+7,635+15.0%Added
Morgan Stanley56,860$156.9K0.00%−8,568−13.1%Reduced
HSBC Holdings PLC53,240$152.8K0.00%00.0%Unchanged
Bank of America Corp43,888$121.1K0.00%−4,237−8.8%Reduced
Bank of New York Mellon Corp28,421$78.4K0.00%+13,422+89.5%Added
Russell Investments Group, Ltd.24,188$66.8K0.00%−682−2.7%Reduced
Charles Schwab Investment Management Inc22,941$63.3K0.00%00.0%Unchanged
Ieq Capital, LLC22,000$60.7K0.00%00.0%Unchanged
Howland Capital Management LLC20,200$55.8K0.00%00.0%Unchanged
Parallel Advisors, LLC16,522$45.6K0.00%00.0%Unchanged
Pathstone Family Office, LLC15,768$43.5K0.00%−1,541−8.9%Reduced
Hoylecohen, LLC15,373$42.4K0.00%00.0%Unchanged
FMR LLC13,437$37.1K0.00%+4,523+50.7%Added
Engineers Gate Manager LP12,942$35.7K0.00%−2,219−14.6%Reduced
Board of Trustees of The Leland Stanford Junior University12,631$34.9K0.00%−12,631−50.0%Reduced
Tower Research Capital LLC (TRC)9,977$28.0K0.00%−6,823−40.6%Reduced
BSW Wealth Partners10,009$27.6K0.01%+10,009New
Zurcher Kantonalbank (Zurich Cantonalbank)6,582$18.2K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.5,953$16.4K0.00%+2,496+72.2%Added
WR Wealth Planners, LLC1,700$4.69K0.00%+1,700New
Simplex Trading, LLC1,051$2.00K0.00%−1,289−55.1%Reduced
Wells Fargo & Company261$7200.00%+4+1.6%Added
BNP Paribas Arbitrage, SA132$3640.00%−438−76.8%Reduced
Bogart Wealth, LLC31$860.00%+31New
Group One Trading, L.P.1$30.00%+1New
IFP Advisors, Inc124––00.0%Unchanged
Marshall Wace, LLP0$00.00%−221,823−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−156,574−100.0%Sold out
Bank of Montreal0$00.00%−139,800−100.0%Sold out
B. Riley Asset Management, LLC0$00.00%−125,670−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−114,512−100.0%Sold out
Anson Funds Management LP0$00.00%−104,972−100.0%Sold out
Prosight Management, LP0$00.00%−58,668−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−51,129−100.0%Sold out
Ergoteles LLC0$00.00%−37,962−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−28,674−100.0%Sold out
Caxton Associates LP0$00.00%−24,524−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−22,979−100.0%Sold out
Algert Global LLC0$00.00%−20,254−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−16,926−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−12,074−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−10,443−100.0%Sold out
Federated Hermes, Inc.0$00.00%−2,966−100.0%Sold out
Quantbot Technologies LP0$00.00%−1,144−100.0%Sold out
Citigroup Inc0$00.00%−578−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−100−100.0%Sold out
Sofos Investments, Inc.0$00.00%−2−100.0%Sold out
Monarch Partners Asset Management LLC––––Not filed