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JK

Jason C. Kastner

WEATHERHELM CAPITAL MANAGEMENT
Cambridge, NY 12816
Some features on this profile are disabled
CRD#: 3268079
JK

Professional summary

Jason Clark Kastner, who also goes by J C Kastner, J Clark Kastner, Jason C Kastner, is a registered financial advisor currently at WEATHERHELM CAPITAL MANAGEMENT LLC located in Cambridge, New York.

Jason is registered as an IAR (Investment Advisor Representative) and started their career in finance in 1999. Jason has worked at 7 firms and has passed the Series 65, Series 63, Series 3, SIE and Series 7 exams.

Question & Answer

Are you a "fiduciary"?
Yes

Aliases

J C Kastner | J Clark Kastner | Jason C Kastner

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Jason Clark Kastner's CRS (Customer Relationship Summary).
CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
None

Experience

Current

March 27, 2015 - Present

WEATHERHELM CAPITAL MANAGEMENT LLC

Office #1: 5 Washington Street Suite 1, Cambridge, NY 12816
RIA
CRD#: 175019
Cambridge, NY
Past

March 9, 2011 - January 20, 2015

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

RIA
CRD#: 7691
MANCHESTER CENTER, VT
Past

February 10, 2011 - January 20, 2015

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

BD
CRD#: 7691
MANCHESTER CENTER, VT
Past

August 17, 2009 - September 21, 2010

JEFFERIES LLC

BD
CRD#: 2347
NEW YORK, NY
Past

November 8, 2005 - March 24, 2008

BARCLAYS CAPITAL INC.

BD
CRD#: 19714
NEW YORK, NY
Past

October 16, 2000 - November 21, 2000

CREDIT SUISSE SECURITIES (USA) LLC

BD
CRD#: 816
NEW YORK, NY
Past

October 11, 2000 - June 1, 2004

NATWEST MARKETS SECURITIES INC.

BD
CRD#: 11707
STAMFORD, CT
Past

November 22, 1999 - October 16, 2000

PERSHING LLC

BD
CRD#: 7560
JERSEY CITY, NJ

Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
WC
WEATHERHELM CAPITAL MANAGEMENT LLC
WEATHERHELM CAPITAL MANAGEMENT LLC

CRD#: 175019 / SEC#: 801-81110

RIA
Registered Investment Advisory firm - (3/12/2015 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

Highlighted states indicate IAR registrations

IAR
Florida
(3/24/2026)
IAR
New York
(3/25/2021)
IAR
Rhode Island
(3/20/2024)
IAR
Texas
(6/16/2025)

Exams

State Security Law Exam
IAR
Series 65
Date: 2/17/2011
Uniform Investment Adviser Law Examination
State Security Law Exam
RR
Series 63
Date: 11/17/1999
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
Series 3
Date: 10/20/2022
National Commodity Futures Examination
General Industry/Product Exam
RR
SIE
Date: 1/20/2015
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 7
Date: 11/20/1999
General Securities Representative Examination

Current Firm

WC
WEATHERHELM CAPITAL MANAGEMENT LLC
WEATHERHELM CAPITAL MANAGEMENT LLC

CRD#: 175019 / SEC#: 801-81110

RIA
Registered Investment Advisory firm - (3/12/2015 Approved)
PREMIUM
Stay ahead of every change that matters. Proactive intelligence on your advisors, before issues escalate.
Biweekly Pulse, AutomaticallyScheduled alerts keep you informed without lifting a finger.
Catch Firm Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.
Trends, Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

Contact information

Main Address
5 Washington Street Suite 1, Cambridge, NY 12816
Mailing Address
Phone number
(518) 407-3886
Established
Firm type
Fiscal year end
# of Employees
4

SEC notice filing (11 States and Territories)

Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

DISCLOSURE BROCHURE (3/18/2026)

Regulatory assets under management

Total Number of Accounts211
AUM (Assets Under Management)$ 90,630,554

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

Company Information

WEATHERHELM CAPITAL MANAGEMENT LLC

CRD#: 175019Cambridge, NY 12816

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