STOCK TITAN

Citadel entities and Kenneth Griffin disclose sub-1% stakes in Atlas Critical Minerals (ATCX)

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(Neutral)
Form Type
SCHEDULE 13G/A

Rhea-AI Filing Summary

Atlas Critical Minerals Corporation Schedule 13G/A reports that Citadel-related entities and Kenneth Griffin may be deemed to beneficially own small, shared stakes in the issuer. Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC is reported with 43,750 shares (0.9%). The filing cites 4,997,445 Shares outstanding as of January 12, 2026 as the basis for the percentage. The statement is jointly filed and notes that such ownership "is being jointly filed" and "shall not be construed as an admission" of beneficial ownership beyond the securities actually owned.

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Insights

Cerified passive ownership disclosure from Citadel group showing sub-1% shared positions.

The filing lists shared beneficial ownership of 43,750 shares for each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC, representing 0.9% of the class using the issuer's outstanding share count of 4,997,445 as of January 12, 2026. The positions are described as shared voting and dispositive powers.

Timing and cash-flow treatment are not detailed here; subsequent filings would show any change. The filing is a standard passive/beneficial ownership disclosure under the joint-filing framework.

Joint filing clarifies entity relationships and control links without asserting sole ownership.

The statement outlines the reporting chain: CAH is sole member of Citadel Advisors; CGP is general partner of CAH; Mr. Griffin controls CGP and CSGP. It expressly disclaims admission of beneficial ownership beyond securities actually owned by each Reporting Person.

Investor impact is informational: this documents ownership structure and shared voting/dispositive powers; no material change to control is indicated because each position is below 5%.

Shares outstanding 4,997,445 shares as of January 12, 2026
Citadel Advisors reported shares 43,750 shares beneficially owned by Citadel Advisors LLC / CAH / CGP
Kenneth Griffin reported shares 43,834 shares beneficially owned by Mr. Griffin
Citadel Securities reported shares 84 shares beneficially owned by Citadel Securities LLC / related entities
Schedule 13G/A regulatory
"This is being jointly filed by Citadel Advisors LLC"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
beneficially own financial
"may be deemed to beneficially own 43,750 Shares"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
shared dispositive power regulatory
"Shared Dispositive Power 43,750.00"
power of attorney legal
"Seth Levy is signing on behalf of Kenneth Griffin as attorney-in-fact"
A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What stake does Citadel report in Atlas Critical Minerals (ATCX)?

Citadel entities report shared beneficial ownership of 43,750 shares each, representing 0.9% of the class using the issuer's outstanding count of 4,997,445 shares as of January 12, 2026. The filing is a joint Schedule 13G/A disclosure.

Does Kenneth Griffin personally hold Atlas Critical Minerals shares?

The filing states Mr. Griffin may be deemed to beneficially own 43,834 shares (0.9%). It clarifies reporting relationships and includes a power-of-attorney signature; it does not assert sole ownership beyond securities actually owned by each reporting person.

What basis is used to calculate the percentage ownership?

The percentages are based on 4,997,445 Shares outstanding as of January 12, 2026, per the issuer's Form 6-K referenced in the filing. Percentages shown (e.g., 0.9%) use that outstanding share figure as the denominator.

Are these holdings considered controlling or above 5%?

No. The filing is captioned "Ownership of 5 Percent or Less of a Class" and each reported position is under 5%, so the filing indicates sub-5% shared holdings rather than control positions.





G5211G200

(CUSIP Number)
03/31/2026

(Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person: The percentages reported in this Schedule 13G are based upon 4,997,445 Shares outstanding as of January 12, 2026 (according to the issuer's Form 6-K as filed with the Securities and Exchange Commission on January 12, 2026).


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SCHEDULE 13G



Citadel Advisors LLC
Signature:/s/ Seth Levy
Name/Title:Seth Levy, Authorized Signatory
Date:05/15/2026
Citadel Advisors Holdings LP
Signature:/s/ Seth Levy
Name/Title:Seth Levy, Authorized Signatory
Date:05/15/2026
Citadel GP LLC
Signature:/s/ Seth Levy
Name/Title:Seth Levy, Authorized Signatory
Date:05/15/2026
Citadel Securities LLC
Signature:/s/ Seth Levy
Name/Title:Seth Levy, Authorized Signatory
Date:05/15/2026
Citadel Securities Group LP
Signature:/s/ Seth Levy
Name/Title:Seth Levy, Authorized Signatory
Date:05/15/2026
Citadel Securities GP LLC
Signature:/s/ Seth Levy
Name/Title:Seth Levy, Authorized Signatory
Date:05/15/2026
Kenneth Griffin
Signature:/s/ Seth Levy
Name/Title:Seth Levy, attorney-in-fact*
Date:05/15/2026

Comments accompanying signature: * Seth Levy is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant to a power of attorney previously filed with the Securities and Exchange Commission, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Advisors LLC on Schedule 13G for Allakos Inc. on October 13, 2023.