How many institutional investors hold PSNL?

4 tracked institutional investors disclosed a position in PSNL (PERSONALIS INC) in their most recent 13F filing.

Who is the largest institutional holder of PSNL?

Cathie Wood, ARK Investment Management, holds the largest disclosed position in PSNL, valued at $63M.

Where does this PSNL ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

PSNL — PERSONALIS INC

Name: PERSONALIS INC (PSNL) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying PSNL?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Net accumulation · 1 buying vs 0 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their PSNL position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).

Supporting evidence

+1 tracked investor added or increased positions last quarter (Cathie Wood)
+4 tracked investors reported holding PSNL at their latest filing

Contradicting evidence — always shown

−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About PERSONALIS INC (PSNL)

PERSONALIS INC (PSNL) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Cathie Wood (ARK Investment Management), valued at $63M. Across recent filings, tracked investors recorded 1 new positions, 1 increased, 1 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in PSNL

/100

Mixed Activity

Added / Increased2

Reduced1

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track PSNL

/100

Emerging Interest

4investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

PSNL Ownership Composition

How PERSONALIS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Growth Funds

92% of tracked value

Institutions

tracked investors

Total Reported

$54.9M

combined 13F value

Growth Funds92.2%
Other7.8%

Growth Funds(1)

92.2%

Other(3)

7.8%

Tracked investors reporting PSNL

Investor	Firm	Shares	Market value	% of portfolio	As of
Cathie Wood	ARK Investment Management	7.9M	$50.6M	0.39%	Mar 31, 2026
Izzy Englander	Millennium Management	419.1K	$2.7M	0.00%	Mar 31, 2026
Paul Tudor Jones	Tudor Investment Corp	209.8K	$1.3M	0.00%	Mar 31, 2026
Ken Griffin	Citadel Advisors	39.8K	$253.5K	0.00%	Mar 31, 2026

Cathie WoodMar 31, 2026
ARK Investment Management
Shares
7.9M
Value
$50.6M
% Portfolio
0.39%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
419.1K
Value
$2.7M
% Portfolio
0.00%
Paul Tudor JonesMar 31, 2026
Tudor Investment Corp
Shares
209.8K
Value
$1.3M
% Portfolio
0.00%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
39.8K
Value
$253.5K
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Cathie Wood	Increased	0.83%	$50.6M	May 12, 2026
Ken Griffin	Sold	-100.00%	$0	Feb 17, 2026
Cathie Wood	Reduced	-0.39%	$62.7M	Feb 11, 2026
Cathie Wood	New	—	$51.6M	Nov 12, 2025

Cathie Wood
Increased
$50.6M(0.83%)May 12, 2026
Ken Griffin
Sold
$0(-100.00%)Feb 17, 2026
Cathie Wood
Reduced
$62.7M(-0.39%)Feb 11, 2026
Cathie Wood
New
$51.6MNov 12, 2025

Frequently asked questions

How many institutional investors hold PSNL?: 4 tracked institutional investors disclosed a position in PSNL (PERSONALIS INC) in their most recent 13F filing.
Who is the largest institutional holder of PSNL?: Cathie Wood, ARK Investment Management, holds the largest disclosed position in PSNL, valued at $63M.
Did institutional ownership of PSNL increase or decrease?: Across recent 13F filings, tracked investors recorded 1 new positions, 1 increased, 1 reduced, and 1 fully exited PSNL.
Where does this PSNL ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.