How many institutional investors hold ATOM?

3 tracked institutional investors disclosed a position in ATOM (ATOMERA INC) in their most recent 13F filing.

Who is the largest institutional holder of ATOM?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in ATOM, valued at $6M.

Where does this ATOM 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.

ATOM — ATOMERA INC

Name: ATOMERA INC (ATOM) — 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 ATOM?

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

Confidence

Institutional Conviction

Mixed · 2 buying vs 1 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

Of 3 tracked investors who changed their ATOM position last quarter, 2 bought and 1 sold (67% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).

Supporting evidence

+2 tracked investors added or increased positions last quarter (Izzy Englander, Steve Cohen)
+3 tracked investors reported holding ATOM at their latest filing
+Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource

Contradicting evidence — always shown

−1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
−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 8/20/2026.

About ATOMERA INC (ATOM)

ATOMERA INC (ATOM) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $6M. Across recent filings, tracked investors recorded 3 new positions, 5 increased, 3 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ATOM

/100

Institutional Accumulation

Added / Increased8

Reduced3

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track ATOM

/100

Emerging Interest

3investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

ATOM Ownership Composition

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

Dominant Type

Multi-Strategy / Quant

100% of tracked value

Institutions

tracked investors

Total Reported

$7.1M

combined 13F value

Multi-Strategy / Quant100.0%

Multi-Strategy / Quant(3)

100.0%

Tracked investors currently reporting ATOM

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	643.8K	$5.6M	0.00%	Jun 30, 2026
Izzy Englander	Millennium Management	156.6K	$1.4M	0.00%	Jun 30, 2026
Steve Cohen	Point72 Asset Management	10.6K	$92.6K	0.00%	Jun 30, 2026

Ken GriffinJun 30, 2026
Citadel Advisors
Shares
643.8K
Value
$5.6M
% Portfolio
0.00%
Izzy EnglanderJun 30, 2026
Millennium Management
Shares
156.6K
Value
$1.4M
% Portfolio
0.00%
Steve CohenJun 30, 2026
Point72 Asset Management
Shares
10.6K
Value
$92.6K
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	Reduced	-44.52%	$311.8K	Nov 14, 2024
Izzy Englander	Increased	33.06%	$1.8M	Feb 14, 2025
Izzy Englander	Increased	154.65%	$1.6M	May 15, 2025
Izzy Englander	Reduced	-20.68%	$1.6M	Aug 14, 2025
Izzy Englander	New	—	$1.4M	Aug 14, 2026
Ken Griffin	Increased	38.91%	$370.4K	Nov 14, 2024
Ken Griffin	Increased	173.01%	$1.8M	May 15, 2025
Ken Griffin	Increased	1.66%	$2.3M	Aug 14, 2025
Ken Griffin	Sold	-100.00%	$0	Nov 14, 2025
Ken Griffin	Reduced	-43.93%	$5.6M	Aug 14, 2026
Steve Cohen	New	—	$92.6K	Aug 14, 2026
Ken Griffin	New	—	$386.3K	Aug 14, 2024

Izzy Englander
Reduced
$311.8K(-44.52%)Nov 14, 2024
Izzy Englander
Increased
$1.8M(33.06%)Feb 14, 2025
Izzy Englander
Increased
$1.6M(154.65%)May 15, 2025
Izzy Englander
Reduced
$1.6M(-20.68%)Aug 14, 2025
Izzy Englander
New
$1.4MAug 14, 2026
Ken Griffin
Increased
$370.4K(38.91%)Nov 14, 2024
Ken Griffin
Increased
$1.8M(173.01%)May 15, 2025
Ken Griffin
Increased
$2.3M(1.66%)Aug 14, 2025
Ken Griffin
Sold
$0(-100.00%)Nov 14, 2025
Ken Griffin
Reduced
$5.6M(-43.93%)Aug 14, 2026
Steve Cohen
New
$92.6KAug 14, 2026
Ken Griffin
New
$386.3KAug 14, 2024

Frequently asked questions

How many institutional investors hold ATOM?: 3 tracked institutional investors disclosed a position in ATOM (ATOMERA INC) in their most recent 13F filing.
Who is the largest institutional holder of ATOM?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in ATOM, valued at $6M.
Did institutional ownership of ATOM increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 5 increased, 3 reduced, and 1 fully exited ATOM.
Where does this ATOM 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.