AMG Pantheon Infrastructure Fund, LLC is reported with a 20.4% beneficial position, representing 4,933,746.14 Class S units. The Schedule 13D classification identifies the stake as activist, while the reporting persons say they have no present plan or proposal involving the listed corporate matters, a key stated condition for investors assessing intent.

Key Highlights

  • Pantheon Infrastructure (QP) holds 15.7% and its TE Onshore series holds 4.7%.
  • BlueArc Capital Management, BlueArc Core Alternatives Management and Ronald Zazworsky, Jr. are listed among the reporting persons.
  • The ownership percentages were confirmed by AMG Pantheon Infrastructure Fund, LLC on August 21, 2026.

AMG Pantheon Infrastructure Fund, LLC is reported with a 20.4% beneficial position in its Class S units, covering 4,933,746.14 units (4.93 million). The position is classified through a Schedule 13D, identifying activist intent. The reporting persons state that they have no present plan or proposal relating to the matters listed in subsections (a) through (j) of Item 4.

Ownership Split Across Entities

BlueArc Capital Management, LLC and BlueArc Core Alternatives Management, LLC are each listed with 4,933,746.14 units and a 20.4% beneficial ownership interest. Ronald Zazworsky, Jr. is also listed with 4,933,746.14 units and 20.4%.

Voting And Disposition Rights

Each reporting person disclaims beneficial ownership of the securities reported, except to the extent of any pecuniary interest. AMG Pantheon Infrastructure Fund, LLC confirmed the ownership basis on August 21, 2026.

Activist Classification, No Present Proposal

The Schedule 13D classification places the position in the activist category. The reporting persons include BlueArc Capital Management, LLC, BlueArc Core Alternatives Management, LLC, Pantheon Infrastructure (QP), Pantheon Infrastructure (QP) (TE Onshore) and Ronald Zazworsky, Jr. The joint filing agreement was dated September 2, 2026.