CIK 1048462
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 |
|---|---|---|---|
| DAVIDSON, CHARLES, EUGENE | LIMITED PARTNER, CHAIRMAN AND CHIEF INVESTMENT OFFICER | 1996-01 | 50–75% ·◆ |
| JACOBS, JOSEPH, MICHAEL | LIMITED PARTNER AND PRESIDENT | 1996-01 | 25–50% ·◆ |
| AHERN, MARK, EDWARD | CHIEF COMPLIANCE OFFICER AND SECRETARY | 2025-06 | <5% |
| LOPEZ-ONA, FERNANDO | LIMITED PARTNER | 2020-06 | <5% |
| MEYER, AARON, SETH | LIMITED PARTNER | 2018-01 | <5% |
| RYAN, SARAH, NOELLE | CHIEF FINANCIAL OFFICER | 2025-01 | <5% |
| ZAND, MARK, DANA | LIMITED PARTNER | 2002-01 | <5% |
| WEXFORD GP LLC |
| GENERAL PARTNER |
| 2009-03 |
| <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) |
|---|---|---|---|
| MECCA, STEVEN, ANTHONY | CHIEF OPERATING OFFICER AND CHIEF FINANCIAL OFFICER | 2024-03 | — not seen at a tracked firm |
| WEINER, DANIEL, JACOB | MANAGING DIRECTOR, CHIEF COMPLIANCE OFFICER, SECRETARY, AND GENERAL COUNSEL | 2024-03 | COMPASS ROSE ASSET MANAGEMENT, LP |
| AMRON, ARTHUR, HARRIS | LIMITED PARTNER, CHIEF COMPLIANCE OFFICER, SECRETARY AND GENERAL COUNSEL | 2023-03 | — not seen at a tracked firm |
| RUBIN, JAMES, LAWRENCE | LIMITED PARTNER | 2022-03 | — not seen at a tracked firm |
| PALUMBO, KENNETH, FRANCIS | LIMITED PARTNER, CHIEF OPERATING OFFICER AND ASSISTANT SECRETARY | 2020-07 | Ardmore Road Asset Management LP |
| SITES, JOHN, CLIFTON | LIMITED PARTNER | 2020-07 | — not seen at a tracked firm |
| SHAPRIO, RICHARD, ALAN | LIMITED PARTNER | 2020-07 | — not seen at a tracked firm |
| Braunstein, Philip, Bryan | LIMITED PARTNER | 2020-07 | — not seen at a tracked firm |
| SCIULLA, AUGUSTUS, VINCENT | LIMITED PARTNER | 2020-07 | — not seen at a tracked firm |
| RUBIN, KENNETH, ALAN | LIMITED PARTNER | 2019-03 | — not seen at a tracked firm |
| JACOBI, PAUL, MICHAEL | LIMITED PARTNER | 2019-03 | — not seen at a tracked firm |
| Domenichelli, Dante, Joseph | LIMITED PARTNER, CHIEF OPERATING OFFICER AND ASSISTANT SECRETARY | 2019-03 | — not seen at a tracked firm |
| MCCARTHY, MARC, THOMAS | LIMITED PARTNER | 2019-03 | — not seen at a tracked firm |
| WEST, STEVEN, EMORY | LIMITED PARTNER, CHIEF FINACIAL OFFICER · LIMITED PARTNER | 2016-11 | — not seen at a tracked firm |
| HOLTZ, ROBERT, HARRIS | LIMITED PARTNER | 2014-01 | — not seen at a tracked firm |
| MAYMUDES, JAY, LESLIE | LIMITED PARTNER, CHIEF FINANCIAL OFFICER | 2013-06 | — not seen at a tracked firm |
| DOYLE, JOHN, VINCENT | LIMITED PARTNER | 2013-06 | — not seen at a tracked firm |
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.
