FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * BlueArc Capital Management, LLC (Last) (First) (Middle) ONE BUCKHEAD PLAZA, 3060 PEACHTREE ROAD SUITE 1120 (Street) ATLANTA GA 30305 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 08/29/2025	3. Issuer Name and Ticker or Trading Symbol AMG Pantheon Infrastructure Fund, LLC [ PBLSX ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class S units of beneficial interest	2,487,562.189	D (1) (2) (3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This Form 3 is filed on behalf of (i) BlueArc Capital Management, LLC (the "Advisor"), (ii) BlueArc Core Alternatives Management, LLC (the "Managing Member"), (iii) Pantheon Infrastructure (QP), a series of BlueArc Core Alternatives, LLC, (iv) Pantheon Infrastructure (QP) (TE Onshore), a series of BlueArc Core Alternatives, LLC (together with Pantheon Infrastructure (QP), the "Funds"), and (v) Ronald Zazworsky, Jr. (collectively with the Advisor, the Managing Member, and the Funds, the "Reporting Persons"). The Managing Member is the managing member of the Funds and the Advisor is both the investment advisor to the Funds and the sole member of the Managing Member, and each of the Managing Member and the Advisor may be deemed to have a pecuniary interest in the securities reported herein.

2. (Continued from Note 1) Mr. Zazworsky is the managing director and Chief Executive Officer of both the Advisor and the Managing Member and may be deemed to have a pecuniary interest in the securities reported herein. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of its or his pecuniary interest therein, if any.

3. Represents 1,915,016.429 Class S units of AMG Pantheon Infrastructure Fund, LLC (the "Issuer") directly held by Pantheon Infrastructure (QP) and 572,545.760 Class S units of the Issuer directly held by Pantheon Infrastructure (QP) (TE Onshore).

	/s/ Ronald Zazworsky, Jr., on behalf of BlueArc Capital Management, LLC as Chief Executive Officer	09/02/2026
	** Signature of Reporting Person	Date
	/s/ Ronald Zazworsky, Jr., on behalf of BlueArc Core Alternatives Management, LLC as Chief Executive Officer	09/02/2026
	** Signature of Reporting Person	Date
	/s/ Ronald Zazworsky, Jr., on behalf of Pantheon Infrastructure (QP), a series of BlueArc Core Alternatives, LLC, as Chief Executive Officer of its managing member	09/02/2026
	** Signature of Reporting Person	Date
	/s/ Ronald Zazworsky, Jr., on behalf of Pantheon Infrastructure (QP) (TE Onshore), a series of BlueArc Core Alternatives, LLC, as Chief Executive Officer of its managing member	09/02/2026
	** Signature of Reporting Person	Date
	/s/ Ronald Zazworsky, Jr.	09/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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