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WEATHERHELM CAPITAL MANAGEMENT LLC

SEC Registered

We help you achieve your financial goals while taking the least amount of risk necessary.

CAMBRIDGE, NYhttps://weatherhelm.com518-407-3886
Assets Under Management
Under $100M
Employees
4
Office Locations
2 offices
Total Accounts
211

About the firm

Weatherhelm Capital Management is an independent, fiduciary investment advisory firm located in Cambridge, NY. The firm emphasizes serving clients' best interests and is not sales-driven.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

High Net WorthCharitable OrganizationsState/Municipal

Areas of expertise

FiduciaryIndependent AdvisoryInvestment ManagementRisk Management

Services

Fiduciary investment advisory services with access to 10,000+ investment options and 24/7 availability and support

Who they serve

Unique households seeking financial goal achievement with minimal risk

Client segmentClientsAssets managed
Individuals (Non-HNW)65$18M
High Net Worth Individuals12$71M
Investment Companies0
Pooled Investment Vehicles0$0
Pension/Profit Sharing Plans0$0
State/Municipal Entities0
Insurance Companies0
Sovereign Wealth Funds0
Corporations0$0

3 total clients reported on Form ADV.

Leadership

Jason Clark Kastner
MANAGING DIRECTOR & CHIEF COMPLIANCE OFFICER
Jason Clark Kastner
OWNER
Lynn Marie Kastner
OWNER

Office locations

2 offices in 2 states
NY
CAMBRIDGEHQ
AZ
SCOTTSDALE

Advisors at this firm

2 advisors in the directory

Regulatory & compliance

CRD number
#175019
SEC Number
801-81110
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Hourly / Performance-based

Data as of March 18, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. WEATHERHELM CAPITAL MANAGEMENT LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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