# WEATHERHELM CAPITAL MANAGEMENT LLC

WEATHERHELM CAPITAL MANAGEMENT LLC of CAMBRIDGE, NY is an SEC-registered investment adviser.

## Registration

- CRD: 175019
- Type: SEC-registered investment adviser
- SEC file number: 801-81110
- Location: 5 WASHINGTON STREET, SUITE 1, CAMBRIDGE, NY, 12816
- Phone: 518-407-3886
- Latest filing: 2026-03-18
- Regulatory AUM: $90.6M
- Discretionary AUM: $87.5M
- Non-discretionary AUM: $3.1M
- Clients: 4
- Accounts: 211

## Business model

- Compensation: % of AUM, Hourly, Performance
- Clients served: High net worth, Pensions, Charities

## Officers, owners & control persons (5)

| Name | Role | Location |
| --- | --- | --- |
| [Jason Clark Kastner](https://search.stillhousedata.com/person/702737) | MANAGING DIRECTOR; MEMBER & CHIEF COMPLIANCE OFFICER | — |
| [Lynn Marie Kastner](https://search.stillhousedata.com/person/702738) | DIRECTOR | — |
| [KASTNER JASON CLARK](https://search.stillhousedata.com/person/818757) | MANAGING DIRECTOR; MANAGING DIRECTOR & CHIEF COMPLIANCE OFFICER; MANAGING MEMBER & CHIEF COMPLIANCE OFFICER (+2 more) | — |
| [KASTNER J C](https://search.stillhousedata.com/person/831444) | MANAGING MEMBER & CCO | — |
| [KASTNER LYNN MARIE](https://search.stillhousedata.com/person/851529) | DIRECTOR; OWNER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/175019/brochure
- Similar advisers: https://search.stillhousedata.com/firm/175019/similar
- Related entities: https://search.stillhousedata.com/firm/175019/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/175019

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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.