AdvisorCensus / Financial advisors / Massachusetts / Boston / Foster Dykema Cabot & Partners, LLC
Foster Dykema Cabot & Partners, LLC is an SEC-registered investment advisory firm in Waltham, MA, registered since 2019, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 27, 2026.
Quick answers
From the filingHow is Foster Dykema Cabot & Partners, LLC compensated?
On its Form ADV (Item 5.E, October 2026), Foster Dykema Cabot & Partners, LLC reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees).
Where is Foster Dykema Cabot & Partners, LLC located?
Foster Dykema Cabot & Partners, LLC's principal office is in Waltham, MA, according to its Form ADV.
Is Foster Dykema Cabot & Partners, LLC registered with the SEC or a state?
Foster Dykema Cabot & Partners, LLC is an SEC-registered investment advisory firm, registered since 2019. Status as filed: Approved. CRD 300282.
How much does Foster Dykema Cabot & Partners, LLC manage?
Foster Dykema Cabot & Partners, LLC reports $2,223,188,313 in regulatory assets under management in its Form ADV filing dated March 27, 2026 (100% discretionary).
How have Foster Dykema Cabot & Partners, LLC's assets and staff changed since 2021?
In the Form ADV data for Foster Dykema Cabot & Partners, LLC: Regulatory assets under management: $1,512,169,413 in the October 2021 data and $2,223,188,313 in the October 2026 data, up 47%. Total employees: 15 in October 2021 and 21 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Foster Dykema Cabot & Partners, LLC serve?
By number of clients on Form ADV Item 5.D: high net worth individuals (718); individuals (other than high net worth individuals) (78); corporations or other businesses not listed above (32).
Which custodians does Foster Dykema Cabot & Partners, LLC use?
Foster Dykema Cabot & Partners, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Fidelity and JPMorgan Chase as custodians holding 10% or more of its separately managed account assets.
Does Foster Dykema Cabot & Partners, LLC 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/300282
Does Foster Dykema Cabot & Partners, LLC state an account minimum?
Its Form ADV Part 2A brochure dated March 27, 2026 says: "We require a minimum portfolio of $20,000,000 of investable assets but this minimum may be waived at FDC’s sole discretion."
What changed in Foster Dykema Cabot & Partners, LLC's recent Form ADV filings?
In the April 2026 filing data: Regulatory assets under management went from $1,995,237,359 to $2,223,188,313 (+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
- Fixed fees (other than subscription fees)
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: $20,000,000 (the brochure says it may be waived or negotiated)
The brochure's wording
We require a minimum portfolio of $20,000,000 of investable assets but this minimum may be waived at FDC’s sole discretion.
As stated in the firm's Form ADV Part 2A brochure dated March 27, 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$2,223,188,313 as of October 2026, filing dated March 27, 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 pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Selection of other advisers (including private fund managers)
- Other
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2019 (7 years)
- Employees
- Total: 21. Performing investment advisory functions: 8.
- 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
-
8 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 | $2,223,188,313 | 21 | March 27, 2026 |
| October 2025 | $1,995,237,359 | 19 | April 25, 2025 |
| October 2024 | $1,709,196,789 | 18 | April 30, 2024 |
| October 2023 | $1,546,147,051 | 18 | September 28, 2023 |
| October 2022 | $1,728,179,603 | 16 | March 30, 2022 |
| October 2021 | $1,512,169,413 | 15 | April 22, 2021 |
Regulatory assets under management: $1,512,169,413 in the October 2021 data and $2,223,188,313 in the October 2026 data, up 47%.
Total employees: 15 in October 2021 and 21 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 $1,995,237,359 to $2,223,188,313 (+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. Foster Dykema Cabot & Partners, LLC (CRD 300282): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/foster-dykema-cabot-and-partners-llc-waltham-ma-300282