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Castlekeep Investment Advisors
Filed as CASTLEKEEP INVESTMENT ADVISORS · Legal name Castlekeep Investment Advisors LLC
Castlekeep Investment Advisors is an SEC-registered investment advisory firm in Westport, CT, registered since 2001, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated March 18, 2026.
Quick answers
From the filingHow is Castlekeep Investment Advisors compensated?
On its Form ADV (Item 5.E, October 2026), Castlekeep Investment Advisors reports these compensation arrangements: a percentage of assets under its management; hourly charges.
Where is Castlekeep Investment Advisors located?
Castlekeep Investment Advisors' principal office is in Westport, CT, according to its Form ADV.
Is Castlekeep Investment Advisors registered with the SEC or a state?
Castlekeep Investment Advisors is an SEC-registered investment advisory firm, registered since 2001. Status as filed: Approved. CRD 111656.
How much does Castlekeep Investment Advisors manage?
Castlekeep Investment Advisors reports $920,751,806 in regulatory assets under management in its Form ADV filing dated March 18, 2026 (36% discretionary).
How have Castlekeep Investment Advisors' assets and staff changed since 2021?
In the Form ADV data for Castlekeep Investment Advisors: Regulatory assets under management: $618,944,689 in the October 2021 data and $920,751,806 in the October 2026 data, up 49%. Total employees: 4 in October 2021 and 5 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Castlekeep Investment Advisors serve?
By number of clients on Form ADV Item 5.D: high net worth individuals (66); individuals (other than high net worth individuals) (50); corporations or other businesses not listed above (32).
Which custodians does Castlekeep Investment Advisors use?
Castlekeep Investment Advisors' most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc., Citibank NA and J.P. Morgan Securities LLC as custodians holding 10% or more of its separately managed account assets.
Does Castlekeep Investment Advisors report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/111656
Does Castlekeep Investment Advisors state an account minimum?
Its Form ADV Part 2A brochure dated March 18, 2026 says: "CastleKeep Investment Advisors LLC requires a minimum account size of $250,000 which may be negotiable under certain circumstances."
What changed in Castlekeep Investment Advisors' recent Form ADV filings?
In the April 2026 filing data: Regulatory assets under management went from $827,741,951 to $920,751,806 (+11%).
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Hourly charges
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2AThe brochure lists different fees for different services or strategies; see the brochure for them.
Account minimum: $250,000 (the brochure says it may be waived or negotiated)
The brochure's wording
CastleKeep Investment Advisors LLC requires a minimum account size of $250,000 which may be negotiable under certain circumstances.
As stated in the firm's Form ADV Part 2A brochure dated March 18, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site
Regulatory assets under management
Item 5.F$920,751,806 as of October 2026, filing dated March 18, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for businesses (other than small businesses) or institutional clients
- Selection of other advisers (including private fund managers)
- Publication of periodicals or newsletters
Registration and firm details
Items 1, 2, 5- Legal name
- Castlekeep Investment Advisors LLC
- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2001 (25 years)
- Employees
- Total: 5. Performing investment advisory functions: 2.
- Wrap fee program participation
- No.
- Custodians (Schedule D, Section 5.K(3))
-
Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.
- States registered or notice-filed
-
7 states or jurisdictions
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $920,751,806 | 5 | March 18, 2026 |
| October 2025 | $827,741,951 | 6 | June 9, 2025 |
| October 2024 | $762,424,454 | 7 | June 6, 2024 |
| October 2023 | $636,398,456 | 5 | March 28, 2023 |
| October 2022 | $691,833,804 | 4 | March 29, 2022 |
| October 2021 | $618,944,689 | 4 | March 31, 2021 |
Regulatory assets under management: $618,944,689 in the October 2021 data and $920,751,806 in the October 2026 data, up 49%.
Total employees: 4 in October 2021 and 5 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- April 2026
- Regulatory assets under management went from $827,741,951 to $920,751,806 (+11%).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Castlekeep Investment Advisors (CRD 111656): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/castlekeep-investment-advisors-westport-ct-111656