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William F. Koster

ONE DAY IN JULY LLC
Vergennes, VT 05491
Some features on this profile are disabled
CRD#: 1452809
WK

Professional summary


William Frank Koster, who also goes by William Koster, is a registered financial advisor currently at ONE DAY IN JULY LLC located in Vergennes, Vermont.

William is registered as an IAR (Investment Advisor Representative) and started their career in finance in 1986. William has worked at 7 firms and has passed the Series 65, Series 63, Series 7, Series 3, Series 15 and Series 5 exams.

top-8-questions

Question & Answer


Are you a "fiduciary"?
Yes

Aliases


William Koster

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.
William Frank Koster voluntarily serves on the Board of Directors for the Lake Champlain Maritime Museum (located at 4472 Basin Harbor Rd., Vergennes, VT 05491), a position he has held since 2019. Beginning in March 2021, his Board of Directors role at the Museum expanded to include that of Treasurer, and, beginning in November 2021, his role includes managing investments for the Museum's endowment. William Frank Koster does not receive any compensation for this position, and he devotes approximately five hours per month to the work, two of which may be during securities trading hours. One Day In July LLC does not believe that William Frank Koster's role at the Museum represents any conflict of interest to our firm or our clients.

Blog Corner


CRS (Client Relationship Summary) - RIA


Click below to view William Frank Koster'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

September 4, 2019 - Present

ONE DAY IN JULY LLC

Office #1: 206 Main Street, Vergennes, VT 05491
RIA
CRD#: 284335
Vergennes, VT
Past

September 8, 2005 - October 27, 2005

ALLSPRING GLOBAL INVESTMENTS, LLC

RIA
CRD#: 104973
SAN FRANCISCO, CA
Past

May 20, 1999 - December 31, 2004

STRONG CAPITAL MANAGEMENT INC

RIA
CRD#: 106638
MENOMONEE FALLS, WI
Past

April 13, 1999 - December 18, 2003

STRONG INVESTMENTS, INC.

BD
CRD#: 15658
MENOMONEE FALLS, WI
Past

January 10, 1992 - March 30, 1999

PERSHING LLC

BD
CRD#: 7560
JERSEY CITY, NJ
Past

March 15, 1988 - September 5, 1989

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

BD
CRD#: 7691
NEW YORK, NY
Past

January 21, 1986 - March 29, 1988

GOLDMAN SACHS & CO. LLC

BD
CRD#: 361

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".
OD
ONE DAY IN JULY LLC
ONE DAY IN JULY LLC | SHELBURNE FIDUCIARY PARTNERS, LLC

CRD#: 284335 / SEC#: 801-113839

RIA
Registered Investment Advisory firm - (8/15/2018 Approved)
Massachusetts
Registered Investment Advisory firm - (9/7/2018 Terminated)
New Hampshire
Registered Investment Advisory firm - (10/5/2018 Terminated)
Texas
Registered Investment Advisory firm - (9/7/2018 Terminated)
Vermont
Registered Investment Advisory firm - (9/11/2018 Terminated)

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
Vermont
(9/4/2019)

Exams


State Security Law Exam
IAR
Series 65
Date: 6/7/2019
Uniform Investment Adviser Law Examination
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
RR
Series 15
Date: 6/4/1986
Foreign Currency Options Examination
General Industry/Product Exam
RR
Series 5
Date: 5/28/1986
Interest Rate Options Examination

Current Firm


OD
ONE DAY IN JULY LLC
ONE DAY IN JULY LLC | SHELBURNE FIDUCIARY PARTNERS, LLC

CRD#: 284335 / SEC#: 801-113839

RIA
Registered Investment Advisory firm - (8/15/2018 Approved)
Massachusetts
Registered Investment Advisory firm - (9/7/2018 Terminated)
New Hampshire
Registered Investment Advisory firm - (10/5/2018 Terminated)
Texas
Registered Investment Advisory firm - (9/7/2018 Terminated)
Vermont
Registered Investment Advisory firm - (9/11/2018 Terminated)
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Contact information


Main Address
77 College St. #3a, Burlington, VT 05401
Mailing Address
Phone number
(802) 503-8280
Established
Firm type
Fiscal year end
# of Employees
20

SEC notice filing (14 States and Territories)


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Documents


Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

ADV PART 2A - ONE DAY IN JULY LLC (FIRM BROCHURE) (9/4/2025)

Regulatory assets under management


Total Number of Accounts3,737
AUM (Assets Under Management)$ 1,089,449,663

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


ONE DAY IN JULY LLC

CRD#: 284335Vergennes, VT 05491

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