Personalis, Inc.

PSNLNASDAQ

$16.40+0.12 (+0.74% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Personalis, Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+127.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Merck & Co., Inc.	13.20%	$188M	35.75%	Not reported
ARK Investment Management LLC	7.78%	$111M	0.72%	Add 4.12%
BlackRock, Inc.	6.66%	$94.9M	0.00%	Not reported
Lightspeed Management Company, L.L.C.	5.74%	$81.8M	3.40%	Reduce 25.23%
Ameriprise Financial Inc	5.72%	$81.6M	0.02%	Not reported
Deep Track Capital, LP	3.76%	$53.6M	0.78%	Add 33.33%
Aberdeen Group plc	3.52%	$50.2M	0.07%	Add 7.42%
Vanguard Capital Management LLC	2.83%	$40.3M	0.00%	Not reported
Casdin Capital, LLC	2.40%	$34.2M	1.71%	Add 59.38%
Kennedy Capital Management LLC	2.22%	$31.7M	0.56%	Add 8.28%
Geode Capital Management, LLC	1.71%	$24.4M	0.00%	Not reported
Bank of America Corp	1.71%	$24.4M	0.00%	Not reported
AIGH Capital Management LLC	1.61%	$23M	1.45%	Reduce 40.86%
Blue Water Life Science Advisors, LP	1.58%	$22.5M	14.15%	Not reported
Dimensional Fund Advisors LP	1.41%	$20.1M	0.00%	Not reported
State Street Corp	1.40%	$19.9M	0.00%	Not reported
Morgan Stanley	1.19%	$17M	0.00%	Not reported
Goldman Sachs Group Inc	0.88%	$12.5M	0.00%	Not reported
Nuveen, LLC	0.71%	$10.1M	0.00%	Not reported
Jane Street Group, LLC	0.69%	$9.89M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.62%	$8.84M	0.00%	Not reported
Northern Trust Corp	0.59%	$8.48M	0.00%	Not reported
Trexquant Investment LP	0.56%	$8.04M	0.05%	Not reported
Howland Capital Management LLC	0.52%	$7.45M	0.27%	Add 1.56%
State of Michigan Retirement System	0.46%	$6.62M	0.03%	Not reported
Vanguard Fiduciary Trust Co	0.43%	$6.07M	0.00%	Not reported
Millennium Management LLC	0.42%	$6.03M	0.00%	Not reported
Sumitomo Mitsui Trust Group, Inc.	0.39%	$5.59M	0.00%	Reduce 13.79%
Amova Asset Management Americas, Inc.	0.39%	$5.59M	0.07%	Reduce 13.79%
BNP Paribas Financial Markets	0.34%	$4.89M	0.00%	Not reported
IQ EQ FUND MANAGEMENT (IRELAND) Ltd	0.33%	$4.71M	0.30%	Add 8.77%
Wellington Shields Capital Management, LLC	0.32%	$4.55M	0.58%	Not reported
Wellington Shields & Co., LLC	0.28%	$3.92M	0.88%	Not reported
Militia Capital Management LLC	0.27%	$3.91M	0.12%	New Not reported
Gilder Gagnon Howe & Co LLC	0.26%	$3.73M	0.04%	New Not reported
Tudor Investment Corp Et Al	0.26%	$3.68M	0.01%	Not reported
Stempoint Capital LP	0.23%	$3.32M	0.57%	Not reported
Perkins Capital Management Inc	0.22%	$3.2M	2.41%	Not reported
Bruce & Co., Inc.	0.22%	$3.12M	0.85%	Not reported
First Manhattan Co. LLC.	0.22%	$3.09M	0.01%	Not reported
Charles Schwab Investment Management Inc	0.20%	$2.8M	0.00%	Not reported
Bank of New York Mellon Corp	0.18%	$2.53M	0.00%	Not reported
Fred Alger Management, LLC	0.16%	$2.22M	0.01%	New Not reported
UBS Group AG	0.15%	$2.21M	0.00%	Not reported
Nano Cap New Millennium Growth Fund L P	0.15%	$2.11M	1.62%	Reduce 32.98%
Citadel Advisors LLC	0.14%	$1.94M	0.00%	Not reported
Swiss National Bank	0.13%	$1.83M	0.00%	Not reported
Williams Jones Wealth Management, LLC.	0.13%	$1.8M	0.02%	Not reported
LPL Financial LLC	0.12%	$1.78M	0.00%	Not reported
Jump Financial, LLC	0.12%	$1.75M	0.01%	Not reported

50 of 148 holders

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