CIK 1727012
Long positions in SEC Section 13(f) securities (US-listed stocks, ADRs and ETFs), largest first · Δ vs 2025-Q4. A lagged quarterly snapshot (filed ≤45 days after quarter-end); excludes shorts, options, cash, and shares listed only on non-US exchanges — foreign companies held via a US listing or ADR (e.g. Alibaba, TSMC) ARE included.
| Name | Title (as filed) | Since | Ownership |
|---|---|---|---|
| CARVALHO, JOSEPH, ALEXANDER | CO-HEAD & PARTNER | 2023-06 | <5% ·◆ |
| COHN, MICHAEL, JOSHUA | CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL | 2024-08 | <5% ·◆ |
| GILMARTIN, MATTHEW, GERARD | CHIEF FINANCIAL OFFICER AND CHIEF OPERATING OFFICER | 2019-07 | <5% ·◆ |
| GOODWIN, SCOTT, KREITLER | CO-FOUNDER,MANAGING MEMBER AND LIMITED PARTNER | 2016-11 | <5% ·◆ |
| LEWINSOHN, JONATHAN, NMN | CO-FOUNDER,MANAGING MEMBER AND LIMITED PARTNER | 2016-11 | <5% ·◆ |
| PASTERNACK, BENJAMIN, DAVID | CO-HEAD & PARTNER | 2023-06 | <5% ·◆ |
| DIAMETER CAPITAL PARTNERS LPentity |
| SOLE MEMBER |
| 2020-11 |
| 75%+ ·◆ |
| DIAMETER CLO ADVISORS LLCentity | SOLE MEMBER | 2025-01 | 75%+ ·◆ |
| DIAMETER PRINCIPAL FINANCE FEEDER LPentity | LIMITED PARTNER | 2022-06 | 75%+ ·◆ |
| DIAMETER MANAGEMENT INTERMEDIATE LPentity | LIMITED PARTNER | 2021-07 | 25–50% ·◆ |
| SG DIAMETER LLCentity | LIMITED PARTNER | 2021-07 | 25–50% ·◆ |
| DIAMETER CAPITAL PARTNERS GP LLCentity | GENERAL PARTNER | 2016-11 | <5% ·◆ |
| DIAMETER PRINCIPAL FINANCE HOLDINGS LLCentity | GENERAL PARTNER | 2022-06 | <5% ·◆ |
Direct owners and executive officers as filed on the adviser's Form ADV Schedule A (as-filed titles; ADV updates annually and on material change). This lists officers and 5%+ owners — not necessarily the full portfolio-management team.
Signed this manager's latest 13F (2026-Q1). The filing's authorized signatory — frequently a compliance officer, general counsel, or CFO — not necessarily the portfolio manager or firm leadership.
| Name | Role (as filed) | Departed after | Now at (if tracked) |
|---|---|---|---|
| RAO, SHAILINI | CO-CHIEF OPERATING OFFICER, GENERAL COUNSEL & CHIEF COMPLIANCE OFFICER · CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL | 2024-03 | — not seen at a tracked firm |
| SULLIVAN, CHRISTOPHER, HENRY | CHIEF OPERATING OFFICER · CHIEF COMPLIANCE OFFICER AND CHIEF OPERATING OFFICER | 2020-02 | CastleKnight Management LP |
Named owners/officers on a past Form ADV Schedule A who are gone from the firm's latest filing. “Departed after” is the last dated filing they appear on. A landing shows only when the destination is another SEC-registered adviser we track.
