CIK 1334952
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.
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) |
|---|---|---|---|
| ZASKE, ARTHUR, EDWARD | SHAREHOLDER · CHIEF COMPLIANCE OFFICER | 2018-03 | — not seen at a tracked firm |
| DANZIG, DAN | DIRECTOR,CHIEF OPERATING OFFICER, CHIEF COMPLIANCE OFFICER · CHIEF OPERATING OFFICER | 2016-09 | — not seen at a tracked firm |
| NATHAN, JOSEPH, ANTHONY | SHAREHOLDER | 2016-06 | — not seen at a tracked firm |
| ROSENAU, FREDERICK, S. | SHAREHOLDER | 2014-03 | — not seen at a tracked firm |
| ROSSEN, HAROLD, FRANKLIN | SHAREHOLDER | 2014-03 |
| — not seen at a tracked firm |
| MARGULIS, R., RALPH | SHAREHOLDER | 2013-03 | — not seen at a tracked firm |
| MARGULIS, BRUCE, A. | SHAREHOLDER | 2013-03 | — not seen at a tracked firm |
| ABOULJOUD, TAREK, MUSTAPHA | SHAREHOLDER | 2011-11 | — not seen at a tracked firm |
| JENKINS, WILLIAM, KEVIN | SHAREHOLDER | 2011-11 | — 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.
