How many institutional investors hold ALTS?

2 tracked institutional investors disclosed a position in ALTS (ALT5 SIGMA CORP) in their most recent 13F filing.

Who is the largest institutional holder of ALTS?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in ALTS, valued at $2M.

Where does this ALTS 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.

ALTS — ALT5 SIGMA CORP

Name: ALT5 SIGMA CORP (ALTS) — 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 ALTS?

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

Confidence

Institutional Conviction

Strong distribution · 0 buying vs 2 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

Of 2 tracked investors who changed their ALTS position last quarter, 0 bought and 2 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).

Supporting evidence

+2 tracked investors reported holding ALTS at their latest filing
+Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource

Contradicting evidence — always shown

−2 tracked investors reduced or exited last quarter (2 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 ALT5 SIGMA CORP (ALTS)

ALT5 SIGMA CORP (ALTS) appears in the most recent 13F filings of 2 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $2M. Across recent filings, tracked investors recorded 3 new positions, 2 increased, 2 reduced, and 2 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ALTS

/100

Mixed Activity

Added / Increased5

Reduced2

Exited2

BearishBullish

Crowded Trade Score™

How many top investors track ALTS

/100

Undiscovered

2investors

Only 2 tracked investors report this position.

UndiscoveredCrowded

151015+

ALTS Ownership Composition

How ALT5 SIGMA CORP 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

$335.6K

combined 13F value

Multi-Strategy / Quant100.0%

Multi-Strategy / Quant(2)

100.0%

Tracked investors currently reporting ALTS

1 tracked investor has since exited this position — listed separately below.

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	228.2K	$133.5K	0.00%	Jun 30, 2026
Izzy Englander	Millennium Management	345.4K	$202.1K	0.00%	Jun 30, 2026

Ken GriffinJun 30, 2026
Citadel Advisors
Shares
228.2K
Value
$133.5K
% Portfolio
0.00%
Izzy EnglanderJun 30, 2026
Millennium Management
Shares
345.4K
Value
$202.1K
% Portfolio
0.00%

Previously held ALTS

These investors reported ALTS in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

Investor	Firm	Last reported shares	Value then	Last held
Steve Cohen	Point72 Asset Management	400K	$1.1M	Sep 30, 2025

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	New	—	$211.4K	Feb 17, 2026
Izzy Englander	Increased	685.29%	$1.7M	May 15, 2026
Izzy Englander	Reduced	-77.11%	$202.1K	Aug 14, 2026
Ken Griffin	New	—	$1.1M	Aug 14, 2025
Ken Griffin	Increased	372.10%	$2M	Nov 14, 2025
Ken Griffin	Sold	-100.00%	$0	Feb 17, 2026
Ken Griffin	Reduced	-86.17%	$133.5K	Aug 14, 2026
Steve Cohen	New	—	$1.1M	Nov 14, 2025
Steve Cohen	Sold	-100.00%	$0	Feb 17, 2026

Izzy Englander
New
$211.4KFeb 17, 2026
Izzy Englander
Increased
$1.7M(685.29%)May 15, 2026
Izzy Englander
Reduced
$202.1K(-77.11%)Aug 14, 2026
Ken Griffin
New
$1.1MAug 14, 2025
Ken Griffin
Increased
$2M(372.10%)Nov 14, 2025
Ken Griffin
Sold
$0(-100.00%)Feb 17, 2026
Ken Griffin
Reduced
$133.5K(-86.17%)Aug 14, 2026
Steve Cohen
New
$1.1MNov 14, 2025
Steve Cohen
Sold
$0(-100.00%)Feb 17, 2026

Frequently asked questions

How many institutional investors hold ALTS?: 2 tracked institutional investors disclosed a position in ALTS (ALT5 SIGMA CORP) in their most recent 13F filing.
Who is the largest institutional holder of ALTS?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in ALTS, valued at $2M.
Did institutional ownership of ALTS increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 2 increased, 2 reduced, and 2 fully exited ALTS.
Where does this ALTS 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.