# FITHIAN LLC

FITHIAN LLC of NEW YORK, NY is an SEC-registered investment adviser.

## Registration

- CRD: 287509
- Type: SEC-registered investment adviser
- SEC file number: 801-111059
- Location: 654 MADISON AVENUE, SUITE 1603, NEW YORK, NY, 10065
- Phone: 212-593-2828
- Latest filing: 2026-03-27
- Regulatory AUM: $136.2M
- Discretionary AUM: $135.4M
- Non-discretionary AUM: $742K
- Clients: 6
- Accounts: 74

## Business model

- Compensation: % of AUM, Performance
- Clients served: High net worth, Pooled vehicles

## Officers, owners & control persons (7)

| Name | Role | Location |
| --- | --- | --- |
| Matthew Tambellini | CHIEF FINANCIAL OFFICER AND CHIEF OPERATING OFFICER | New York, NY |
| Tatiana Boldyreff Pouschine | FOUNDER, PORTFOLIO MANAGER, AND MANAGING MEMBER | — |
| Stephen Andrew Baranowski | CHIEF COMPLIANCE OFFICER | — |
| POUSCHINE TATIANA BOLDYREFF | CHIEF EXECUTIVE OFFICER, PORTFOLIO MANAGER, AND GENERAL PARTNER; FOUNDER, PORTFOLIO MANAGER, AND GENERAL PARTNER; FOUNDER, PORTFOLIO MANAGER, AND MANAGING MEMBER | — |
| OURUSOFF ALEXANDRA NMN | CHIEF COMPLIANCE OFFICER AND CHIEF OPERATING OFFICER; CHIEF COMPLIANCE OFFICER, CHIEF OPERATING OFFICER AND CHIEF FINANCIAL OFFICER | — |
| Tambellini Matthew | CHIEF COMPLIANCE OFFICER AND CHIEF OPERATING OFFICER; CHIEF COMPLIANCE OFFICER, CHIEF OPERATING OFFICER, AND CHIEF FINANCIAL OFFICER | — |
| Matthew George Tambellini | CHIEF FINANCIAL OFFICER AND CHIEF OPERATING OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/287509/brochure
- Similar advisers: https://search.stillhousedata.com/firm/287509/similar
- Related entities: https://search.stillhousedata.com/firm/287509/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/287509

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.