AdvisorCensus / Financial advisors / Michigan / Flint / Mainstay Capital Management, LLC
Mainstay Capital Management, LLC is an SEC-registered investment advisory firm in Grand Blanc, MI, registered since 2000, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated July 15, 2026.
Quick answers
From the filingHow is Mainstay Capital Management, LLC compensated?
On its Form ADV (Item 5.E, October 2026), Mainstay Capital Management, LLC reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees).
Where is Mainstay Capital Management, LLC located?
Mainstay Capital Management, LLC's principal office is in Grand Blanc, MI, according to its Form ADV; the August 2026 filing also lists 4 other offices (Schedule D, Section 1.F).
Is Mainstay Capital Management, LLC registered with the SEC or a state?
Mainstay Capital Management, LLC is an SEC-registered investment advisory firm, registered since 2000. Status as filed: Approved. CRD 109528.
How much does Mainstay Capital Management, LLC manage?
Mainstay Capital Management, LLC reports $5,307,611,903 in regulatory assets under management in its Form ADV filing dated July 15, 2026 (88% discretionary).
How have Mainstay Capital Management, LLC's assets and staff changed since 2021?
In the Form ADV data for Mainstay Capital Management, LLC: Regulatory assets under management: $3,778,213,813 in the October 2021 data and $5,307,611,903 in the October 2026 data, up 40%. Total employees: 29 in October 2021 and 33 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Mainstay Capital Management, LLC serve?
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (1,790); high net worth individuals (1,664).
Which custodians does Mainstay Capital Management, LLC use?
Mainstay Capital Management, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. and Pershing Advisor Solutions LLC as custodians holding 10% or more of its separately managed account assets.
Does Mainstay Capital Management, 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/109528
What changed in Mainstay Capital Management, LLC's recent Form ADV filings?
In the May 2026 filing data: Employees performing advisory functions went from 20 to 19.
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 firm's brochure (dated January 23, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$5,307,611,903 as of October 2026, filing dated July 15, 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
- Educational seminars/workshops
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2000 (25 years)
- Employees
- Total: 33. Performing investment advisory functions: 19.
- 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.
- Other offices (Schedule D, Section 1.F)
-
4 other offices, as of the August 2026 filing
- States registered or notice-filed
-
52 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 | $5,307,611,903 | 33 | July 15, 2026 |
| October 2025 | $4,516,416,783 | 34 | July 23, 2025 |
| October 2024 | $4,024,422,798 | 31 | August 29, 2024 |
| October 2023 | $3,607,756,689 | 29 | July 19, 2023 |
| October 2022 | $3,858,741,129 | 29 | February 15, 2022 |
| October 2021 | $3,778,213,813 | 29 | July 20, 2021 |
Regulatory assets under management: $3,778,213,813 in the October 2021 data and $5,307,611,903 in the October 2026 data, up 40%.
Total employees: 29 in October 2021 and 33 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- May 2026
- Employees performing advisory functions went from 20 to 19.
- February 2026
- Updated its list of owners and control persons (Schedule A).
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. Mainstay Capital Management, LLC (CRD 109528): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/mainstay-capital-management-llc-grand-blanc-mi-109528