FIL Limited reports 10,466,217 ERO shares (10%)

ERO Copper Corp ownership disclosure: FIL Limited reports beneficial ownership of 10,466,217 shares of ERO Copper Corp common stock, representing 10.0% of the class as of 03/31/2026.

Rhea-AI Filing Summary

ERO Copper Corp ownership disclosure: FIL Limited reports beneficial ownership of 10,466,217 shares of ERO Copper Corp common stock, representing 10.0% of the class as of 03/31/2026. The filing states FIL Limited holds sole dispositive power over the shares and identifies Pandanus Partners, L.P. and Pandanus Associates, Inc. as related entities. The filing references an exhibit for subsidiary/agent details and incorporates a power of attorney executed April 13, 2026.

Insights

Institutional Ownership Analyst

FIL Limited reports a 10.0% stake in ERO Copper Corp.

FIL Limited is disclosed as beneficial owner of 10,466,217 shares with sole dispositive power, a level that commonly triggers investor attention but can be passive or strategic depending on intent. The filing lists related entities Pandanus Partners, L.P. and Pandanus Associates, Inc..

Shareholders should note the filing references Exhibit 99 for a 13d-1(k)(1) agreement and a power of attorney; subsequent filings may clarify voting intent or arrangements.

Corporate Governance Specialist

Regulatory formality with entity attribution and POA cited.

The schedule 13G/A structure and incorporated power of attorney indicate delegated signing authority rather than a direct managerial statement. The cover identifies sole dispositive power and zero shared voting power in the submitted responses.

Material governance implications depend on any agreements in Exhibit 99; the excerpt shows that supporting exhibits contain the operative terms.

Key Figures

Beneficial ownership: 10,466,217 shares Percent of class: 10.0% Sole voting power: 9,430,573 shares +2 more

5 metrics

Beneficial ownership 10,466,217 shares Reported beneficially owned as of <date>03/31/2026</date>

Percent of class 10.0% Percent of common stock as reported on the schedule

Sole voting power 9,430,573 shares Sole voting power reported on the cover responses

CUSIP 296006109 Identifier for ERO Copper Corp common stock

Power of attorney date April 13, 2026 Power of attorney effective date referenced in signatures

Key Terms

Schedule 13G/A, beneficially owned, dispositive power, 13d-1(k)(1) agreement

4 terms

Schedule 13G/A regulatory

"Ownership disclosure form filed by investors holding more than 5%"

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 owned financial

"Amount beneficially owned: 10466217.00"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 10466217.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

13d-1(k)(1) agreement regulatory

"Please see Exhibit 99 for 13d-1(k) (1) agreement."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does FIL Limited report in ERO Copper Corp (ERO)?

FIL Limited reports beneficial ownership of 10,466,217 shares, equal to 10.0% of ERO Copper Corp common stock as of 03/31/2026. The filing states FIL has sole dispositive power over those shares.

Which related entities are named in the ERO Copper ownership filing?

The filing names Pandanus Partners, L.P. and Pandanus Associates, Inc. as related entities. Each is shown with dispositive power over 10,466,217 shares representing 10.0%.

Does the filing indicate who can vote the shares in ERO Copper?

The filing reports sole voting power 9,430,573 and zero shared voting power on the cover responses, with sole dispositive power over 10,466,217 shares. Specific vote arrangements may be detailed in exhibits.

Are there supporting agreements attached to the ERO Copper ownership disclosure?

Yes. The schedule references Exhibit 99 for a 13d-1(k)(1) agreement and incorporates a power of attorney effective 04/13/2026. Those exhibits contain further terms and attributions.

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

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Accepted by SEC EDGAR 05/06/2026 - 10:51 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

ERO COPPER CORP

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

296006109

(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

CUSIP Number(s): 296006109

1

Names of Reporting Persons

FIL Limited

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

BERMUDA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 9,430,573.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 10,466,217.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,466,217.00

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)

10.0 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP Number(s): 296006109

1

Names of Reporting Persons

Pandanus Partners, L.P.

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 10,466,217.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,466,217.00

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)

10.0 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): 296006109

1

Names of Reporting Persons

Pandanus Associates, Inc.

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 10,466,217.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,466,217.00

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)

10.0 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ERO COPPER CORP
(b)	Address of issuer's principal executive offices: 625 HOWE STREET,SUITE 1050,VANCOUVER,A1,CA,V6C 2T6
Item 2.
(a)	Name of person filing: FIL Limited
(b)	Address or principal business office or, if none, residence: Pembroke Hall, 42 Crow Lane, Hamilton, Bermuda, HM19
(c)	Citizenship: Not applicable
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP No.: 296006109
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).
	Please see Exhibit 99.
Item 4.	Ownership
(a)	Amount beneficially owned: 10466217.00
(b)	Percent of class: 10.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Please see the responses to Items 5 and 6 on the cover page.
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 10466217.00
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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. One or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the COMMON STOCK of ERO COPPER CORP. No one other person's interest in the COMMON STOCK of ERO COPPER CORP is more than five percent of the total outstanding COMMON STOCK.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See attached Exhibit 99.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

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.

FIL Limited

Signature:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by and on behalf of FIL Limited and its direct and indirect subsidiaries*
Date:	05/05/2026

Pandanus Partners, L.P.

Signature:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by Pandanus Associates, Inc. on behalf of Pandanus Partners, L.P.*
Date:	05/05/2026

Pandanus Associates, Inc.

Signature:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by and on behalf of Pandanus Associates, Inc.*
Date:	05/05/2026

Comments accompanying signature: * This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FIL Limited on April 29,2026, accession number: 0000318989-26-000050.

Exhibit Information

Please see Exhibit 99 for 13d-1(k) (1) agreement.