Skip to main content

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 2024

Institutional positions in Personalis, Inc. as of Mar 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
71
+2 vs. Q4 2023
Shares held
22.3M
+296.9K (+1.4%) vs. Q4 2023
Total value
$33.2M
−$12.9M (−28.0%) vs. Q4 2023
New holders
8
26 more added
Sold out
6
24 more reduced

Compare with Q4 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 holdersQ1 2024: 71 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 2024: $33.2M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Personalis, Inc.; share changes are against Q4 2023.

Institutions holding PSNL in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest6,065,473$9.04M0.06%−606,072−9.1%Reduced
BlackRock Inc.3,280,721$4.89M0.00%−34,547−1.0%Reduced
Vanguard Group Inc1,904,165$2.84M0.00%−165,929−8.0%Reduced
Renaissance Technologies LLC1,097,511$1.64M0.00%+256,700+30.5%Added
Acadian Asset Management LLC991,828$1.48M0.01%+471,646+90.7%Added
Sumitomo Mitsui Trust Holdings, Inc.977,634$1.46M0.00%−106,051−9.8%Reduced
Nikko Asset Management Americas, Inc.977,634$1.46M0.01%−106,051−9.8%Reduced
Jacobs Levy Equity Management, Inc821,657$1.22M0.01%+485,822+144.7%Added
Citadel Advisors LLC507,537$756.2K0.00%+75,392+17.4%Added
State of Michigan Retirement System493,798$735.8K0.00%+50,000+11.3%Added
Wellington Shields Capital Management, LLC436,931$651.0K0.12%−40,900−8.6%Reduced
Gsa Capital Partners LLP420,141$626.0K0.05%+24,498+6.2%Added
Geode Capital Management, LLC395,022$588.7K0.00%+5,313+1.4%Added
Bruce & Co., Inc.300,000$447.0K0.15%00.0%Unchanged
Wellington Shields & Co., LLC294,097$438.2K0.15%00.0%Unchanged
Man Group plc292,169$435.3K0.00%+235,629+416.7%Added
Millennium Management LLC233,737$348.3K0.00%−33,160−12.4%Reduced
Howland Capital Management LLC211,118$314.6K0.02%+168,274+392.8%Added
LPL Financial LLC211,028$314.4K0.00%+18,075+9.4%Added
Marshall Wace, LLP210,902$314.2K0.00%+59,221+39.0%Added
D. E. Shaw & Co., Inc.181,295$270.1K0.00%−283,947−61.0%Reduced
Bridgeway Capital Management, LLC135,600$202.0K0.00%+6,100+4.7%Added
State Street Corp130,242$194.1K0.00%00.0%Unchanged
XTX Topco Ltd129,558$193.0K0.03%+10,153+8.5%Added
Morgan Stanley119,906$178.7K0.00%−3,466−2.8%Reduced
Green Alpha Advisors, LLC118,953$177.2K0.13%−352−0.3%Reduced
Two Sigma Advisers, LP104,900$156.3K0.00%−1,400−1.3%Reduced
Price T Rowe Associates Inc95,000$142.0K0.00%+34,900+58.1%Added
Dimensional Fund Advisors LP85,590$127.5K0.00%−21,972−20.4%Reduced
Squarepoint Ops LLC81,542$121.5K0.00%+37,344+84.5%Added
Royal Bank of Canada75,891$113.0K0.00%−18,300−19.4%Reduced
Northern Trust Corp74,558$111.1K0.00%−24,001−24.4%Reduced
Goldman Sachs Group Inc72,373$107.8K0.00%−21,671−23.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.64,413$96.0K0.00%+49,340+327.3%Added
Jane Street Group, LLC63,551$94.7K0.00%+44,111+226.9%Added
HSBC Holdings PLC45,465$67.7K0.00%00.0%Unchanged
Barclays PLC45,024$67.1K0.00%00.0%Unchanged
HRT Financial LP42,409$63.0K0.00%+31,670+294.9%Added
Ameriprise Financial Inc39,948$59.5K0.00%+39,948New
Cubist Systematic Strategies, LLC36,976$55.1K0.00%+25,886+233.4%Added
Pathstone Holdings, LLC36,013$53.7K0.00%−383−1.1%Reduced
Prudential Financial Inc33,750$50.3K0.00%+5,600+19.9%Added
Bank of New York Mellon Corp30,962$46.1K0.00%−28,549−48.0%Reduced
Prime Capital Investment Advisors, LLC28,114$41.9K0.00%+348+1.3%Added
Virtu Financial LLC27,664$41.0K0.00%+27,664New
Tower Research Capital LLC (TRC)25,026$37.3K0.00%+25,026New
Charles Schwab Investment Management Inc22,941$34.2K0.00%00.0%Unchanged
Ieq Capital, LLC22,000$32.8K0.00%00.0%Unchanged
Russell Investments Group, Ltd.21,144$31.5K0.00%−1,090−4.9%Reduced
Public Employees Retirement System of Ohio19,700$29.4K0.00%+19,700New
Board of Trustees of The Leland Stanford Junior University18,948$28.2K0.00%−3,157−14.3%Reduced
Susquehanna International Group, LLP17,304$25.8K0.00%−22,099−56.1%Reduced
Parallel Advisors, LLC16,522$24.6K0.00%00.0%Unchanged
Bank of America Corp16,112$24.0K0.00%+2,568+19.0%Added
Hoylecohen, LLC15,373$22.9K0.00%00.0%Unchanged
Banque Cantonale Vaudoise15,000$22.0K0.00%+5,000+50.0%Added
UBS Group AG11,211$16.7K0.00%+981+9.6%Added
US Bancorp9,100$13.6K0.00%+9,100New
Zurcher Kantonalbank (Zurich Cantonalbank)5,023$7.48K0.00%−167−3.2%Reduced
Rhumbline Advisers3,709$5.53K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.3,451$5.14K0.00%−755−18.0%Reduced
Qube Research & Technologies Ltd3,216$4.79K0.00%+100+3.2%Added
WR Wealth Planners, LLC1,200$1.79K0.00%+1,200New
Wells Fargo & Company307$4570.00%+5+1.7%Added
Comerica Bank283$4220.00%00.0%Unchanged
Principal Securities, Inc.231$3440.00%−19−7.6%Reduced
JPMorgan Chase & Co200$2980.00%−686−77.4%Reduced
BNP Paribas Arbitrage, SA135$2010.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC100$1490.00%+100New
Citigroup Inc85$1270.00%+85New
Group One Trading, L.P.1$10.00%00.0%Unchanged
Pacific Heights Asset Management LLC0$00.00%−310,000−100.0%Sold out
Quadrature Capital Ltd0$00.00%−73,001−100.0%Sold out
Scientech Research LLC0$00.00%−11,455−100.0%Sold out
Baader Bank INC0$00.00%−10,701−100.0%Sold out
Simplex Trading, LLC0$00.00%−513−100.0%Sold out
FMR LLC0$00.00%−220−100.0%Sold out