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Aura Minerals Inc. (AUGO) is the subject of an amended ownership report by Kapitalo Investimentos Ltda. and individual reporting persons Carlos Leonhard da Rocha Woelz, Bruno Sousa Mauad, Hegler Jose Horta Barbosa Filho and Bruno Carvalho Cordeiro. Each reports shared voting and dispositive power over 4,111,703 common shares, or 4.9%, as of December 31, 2025.
The accompanying comment says Kapitalo Ciclo Gestora de Recursos Financeiros Ltda. merged into Kapitalo Investimentos on December 31, 2025, and that shares for which Ciclo previously held shared voting and dispositive power are reported under Kapitalo. Separately, it states that Kapitalo had shared voting and dispositive power over 5,792,535 shares as of that date, while the ownership table lists 4,111,703 for each reporting person. The shares are directly owned by advisory clients; none is reported to beneficially own more than 5%.
Key Figures
Beneficial ownership:4,111,703 common sharesPercentage of class:4.9%Shared voting and dispositive power:5,792,535 common shares
3 metrics
Beneficial ownership4,111,703 common sharesOwnership table amount reported by each reporting person as of December 31, 2025
Percentage of class4.9%Reported by each reporting person
Shared voting and dispositive power5,792,535 common sharesKapitalo amount stated as of December 31, 2025
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
shared voting powerregulatory
"Shared Voting Power 4,111,703"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerregulatory
"Shared Dispositive Power 4,111,703"
pecuniary interestregulatory
"except to the extent of his, her or its pecuniary interest therein"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many AUGO shares does Kapitalo report?
Kapitalo Investimentos Ltda. reports beneficial ownership of 4,111,703 Aura Minerals common shares, or 4.9% of the class, with shared voting and dispositive power.
What happened to Kapitalo Ciclo’s AUGO shares?
Kapitalo Ciclo Gestora de Recursos Financeiros Ltda. merged into Kapitalo Investimentos Ltda. on December 31, 2025. The accompanying comment says Ciclo no longer has beneficial ownership of Aura Minerals common shares and that shares for which it previously held shared voting and dispositive power are reported under Kapitalo.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Aura Minerals Inc.
(Name of Issuer)
Common Shares, no par value
(Title of Class of Securities)
G06973112
(CUSIP Number)
12/31/2025
(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
CUSIP Number(s):
G06973112
1
Names of Reporting Persons
Kapitalo Investimentos Ltda
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
BRAZIL
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
4,111,703.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,111,703.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,111,703.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.9 %
12
Type of Reporting Person (See Instructions)
CO, FI
Comment for Type of Reporting Person: On December 31, 2025, Kapitalo Ciclo Gestora de Recursos Financeiros Ltda. ("Ciclo") merged into Kapitalo Investimentos Ltda. and the Common Shares, no par value for which Ciclo previously held shared voting and dispositive power are reported under Kapitalo Investimentos Ltda. As of such date, Kapitalo Investimentos Ltda. had shared voting and dispositive power over 5,792,535 Common Shares, no par value. Ciclo no longer has beneficial ownership over any Common Shares, no par value.
SCHEDULE 13G
CUSIP Number(s):
G06973112
1
Names of Reporting Persons
Carlos Leonhard da Rocha Woelz
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
BRAZIL
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
4,111,703.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,111,703.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,111,703.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.9 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
G06973112
1
Names of Reporting Persons
Bruno Sousa Mauad
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
BRAZIL
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
4,111,703.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,111,703.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,111,703.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.9 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
G06973112
1
Names of Reporting Persons
Hegler Jose Horta Barbosa Filho
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
BRAZIL
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
4,111,703.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,111,703.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,111,703.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.9 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
G06973112
1
Names of Reporting Persons
Bruno Carvalho Cordeiro
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
BRAZIL
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
4,111,703.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,111,703.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,111,703.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.9 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Aura Minerals Inc.
(b)
Address of issuer's principal executive offices:
c/o Aura Technical Services Inc., 3390 Mary St., Suite 116, Coconut Grove, Florida 33133, United States
Item 2.
(a)
Name of person filing:
Kapitalo Investimentos Ltda.
Carlos Leonhard da Rocha Woelz
Bruno Sousa Mauad
Hegler Jose Horta Barbosa Filho
Bruno Carvalho Cordeiro
(b)
Address or principal business office or, if none, residence:
Kapitalo Investimentos Ltda.
Avenida Brigadeiro Faria Lima
3144, 11th Floor
Sao Paulo, Brazil, 01451-000
Carlos Leonhard da Rocha Woelz
Avenida Brigadeiro Faria Lima
3144, 11th Floor
Sao Paulo, Brazil, 01451-000
Bruno Sousa Mauad
Avenida Brigadeiro Faria Lima
3144, 11th Floor
Sao Paulo, Brazil, 01451-000
Hegler Jose Horta Barbosa Filho
Avenida Brigadeiro Faria Lima
3144, 11th Floor
Sao Paulo, Brazil, 01451-000
Bruno Carvalho Cordeiro
Avenida Brigadeiro Faria Lima
3144, 11th Floor
Sao Paulo, Brazil, 01451-000
(c)
Citizenship:
Kapitalo Investimentos Ltda. - Brazil
Carlos Leonhard da Rocha Woelz - Brazil
Bruno Sousa Mauad - Brazil
Hegler Jose Horta Barbosa Filho - Brazil
Bruno Carvalho Cordeiro - Brazil
(d)
Title of class of securities:
Common Shares, no par value
(e)
CUSIP No.:
G06973112
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
Kapitalo Investimentos Ltda. - 4,111,703
Carlos Leonhard da Rocha Woelz - 4,111,703
Bruno Sousa Mauad - 4,111,703
Hegler Jose Horta Barbosa Filho - 4,111,703
Bruno Carvalho Cordeiro - 4,111,703
(b)
Percent of class:
Kapitalo Investimentos Ltda. - 4.9%
Carlos Leonhard da Rocha Woelz - 4.9%
Bruno Sousa Mauad - 4.9%
Hegler Jose Horta Barbosa Filho - 4.9%
Bruno Carvalho Cordeiro - 4.9%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Kapitalo Investimentos Ltda. - 0
Carlos Leonhard da Rocha Woelz - 0
Bruno Sousa Mauad - 0
Hegler Jose Horta Barbosa Filho - 0
Bruno Carvalho Cordeiro - 0
(ii) Shared power to vote or to direct the vote:
Kapitalo Investimentos Ltda. - 4,111,703
Carlos Leonhard da Rocha Woelz - 4,111,703
Bruno Sousa Mauad - 4,111,703
Hegler Jose Horta Barbosa Filho - 4,111,703
Bruno Carvalho Cordeiro - 4,111,703
(iii) Sole power to dispose or to direct the disposition of:
Kapitalo Investimentos Ltda. - 0
Carlos Leonhard da Rocha Woelz - 0
Bruno Sousa Mauad - 0
Hegler Jose Horta Barbosa Filho - 0
Bruno Carvalho Cordeiro - 0
(iv) Shared power to dispose or to direct the disposition of:
Kapitalo Investimentos Ltda. - 4,111,703
Carlos Leonhard da Rocha Woelz - 4,111,703
Bruno Sousa Mauad - 4,111,703
Hegler Jose Horta Barbosa Filho - 4,111,703
Bruno Carvalho Cordeiro - 4,111,703
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
All of the securities reported in this Schedule 13G amendment are directly owned by advisory clients of Kapitalo Investimentos Ltda. None of those advisory clients may be deemed to beneficially own more than 5% of the Common Shares, no par value.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
Not Applicable
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Comments accompanying signature: * Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
To the extent that "ownership of 5 percent or less of a class" was indicated in Item 5, such response only applies to the Reporting Person(s) that indicated elsewhere herein that it beneficially owns five percent (5%) or less of the class.
