# PECONIC PARTNERS LLC

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

## Registration

- CRD: 108857
- Type: SEC-registered investment adviser
- SEC file number: 801-54372
- Location: 599 LEXINGTON AVENUE, 46TH FLOOR, NEW YORK, NY, 10022
- Phone: 212-904-0440
- Latest filing: 2026-03-17
- Regulatory AUM: $2.7B
- Discretionary AUM: $2.7B
- Clients: 12
- Accounts: 8

## Business model

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

## Officers, owners & control persons (15)

| Name | Role | Location |
| --- | --- | --- |
| William Francis Harnisch | MANAGING MEMBER | — |
| Richard Harvey Adelaar | EXECUTIVE VICE PRESIDENT | — |
| Wook Nmn Lee | CHIEF COMPLIANCE OFFICER/CHIEF OPERATING OFFICER/ CHIEF TECHNOLOGY OFFICER | — |
| MARIANI KRISTIN BRETT | DIRECTOR OF COMPLIANCE | — |
| GALVIN THOMAS A | EXECUTIVE VICE PRESIDENT; SENIOR VICE PRESIDENT | — |
| COOK MICHAEL | SENIOR VICE PRESIDENT | — |
| POTTER WILLIAM L | SENIOR VICE PRESIDENT | — |
| HARNISCH WILLIAM FRANCIS | MANAGER; MANAGING MEMBER | — |
| SULLIVAN JOSEPH WILLIAM | CFO AND VICE PRESIDENT; CHIEF COMPLIANCE OFFICER, EVP, TREASURER & SECRETARY; EVP, TREASURER & SECRETARY | — |
| ADELAAR RICHARD HARVEY | EXECUTIVE VICE PRESIDENT; MANAGER | — |
| LEFF JOEL BASIL | MANAGER | — |
| WOO MAYRA | EXECUTIVE VICE PRESIDENT | — |
| CALVIN THOMAS A | SENIOR VICE PRESIDENT | — |
| LEE WOOK | CHIEF COMPLIANCE OFFICER/CHIEF OPERATING OFFICER/ CHIEF TECHNOLOGY OFFICER | — |
| LEE KAHYEONG NMN | CHIEF COMPLIANCE OFFICER/CHIEF OPERATING OFFICER/ CHIEF TECHNOLOGY OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/108857/brochure
- Similar advisers: https://search.stillhousedata.com/firm/108857/similar
- Related entities: https://search.stillhousedata.com/firm/108857/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/108857

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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.