Firm profile

Stonebrook Private LLC

NORTHVILLE, MICRD 325434Registration Status: ApprovedEffective since April 7, 2023SEC # 801-127617Latest ADV May 13, 2026

Stonebrook Private LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Northville, MI. Its latest Form ADV filing, dated May 13, 2026, reports $937M in regulatory assets under management, 11 employees, 2 offices, and 4,146 accounts.

Assets Under Management
$937M
Employees
11
Offices
2 offices
Total Clients
596

Associated firm names

2 names listed
  • STONEBROOK PRIVATE INC.
  • STONEBROOK PRIVATE LLC

Leadership

2 roles identified
CCORoseann Higgins
CIOSpencer J. Knickerbocker

Advisory services offered

3 types reported
Financial Planning Services
Portfolio management for individuals and small businesses
Selection of other advisers

Fee models offered

2 types reported
Asset based fees
Fixed fees

Offices & Contact

Primary office

NORTHVILLE, Michigan, United States

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Primary office regionOther reported regions

Shading shows states and countries with reported offices. Cities are listed below; shading does not indicate service coverage.

Michigan

NORTHVILLEPrimary office

1 office records listed · 2 total offices reported. 1 additional office addresses are undisclosed and are not mapped. Counts can use different reporting dates. SEC filers may list only their largest 25 additional offices.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$937Mas of May 13, 2026
Discretionary93.6%
$877M
94% of total RAUM93.6%
Non-discretionary6.4%
$60M
6% of total RAUM6.4%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Client Coverage Demographics

Top client segmentIndividuals represent 53.5% of total clients.
Top client categories% of clientsClients
1
Individuals
53.5%
319
2
HNWI
44.1%
263
3
Charitable
1.5%
9
4
Pension Plans
0.5%
3
5
Corporations
0.3%
2

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total AUM$937M
Total Accounts4,146
10Y AUM Change+$937M

Private Funds

Private funds reported by Stonebrook Private LLC

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Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees11
Clients per Employee54:1
10Y Employee Change+6 (+120.0%)

Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.


Ownership

Reported direct and indirect ownership ranges

Each range applies to a separate reported relationship and should not be added together.

Reported ownership ranges

Highlighted bands show the percentage range reported in Form ADV.

0%25%50%75%100%
TODD DUNCAN KNICKERBOCKERDirect owner · Schedule AInterest in STONEBROOK PRIVATE LLC
75%+
Spencer James KnickerbockerDirect owner · Schedule AInterest in STONEBROOK PRIVATE LLC
10% to < 25%
ELEVATION POINT LLCDirect owner · Schedule AInterest in STONEBROOK PRIVATE LLC
10% to < 25%
JOHN LEONARD SABREIndirect owner · Schedule BInterest in DALTON-MYCG, LLC
75%+
DALTON-MYCG, LLCIndirect owner · Schedule BInterest in ELEVATION POINT LLC
50% to < 75%
GREG DAVID ANDERSONIndirect owner · Schedule BInterest in ELEVATION POINT LLC
25% to < 50%
LYNN VIRGINIA SABREIndirect owner · Schedule BInterest in DALTON-MYCG, LLC
25% to < 50%

Bars represent the reported range at that individual ownership step, not an estimated percentage of the advisory firm. Indirect relationships may refer to intermediate entities rather than directly to Stonebrook Private LLC.

Reported ownership and control details

Form ADV · Filing date 2026-05-13 · Schedules A and B

8 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1TODD DUNCAN KNICKERBOCKERMANAGING MEMBER / MANAGING PARTNERIndividualSTONEBROOK PRIVATE LLC75% or moreCode EYesMANAGING MEMBER / MANAGING PARTNER02/2023Schedule APDF page 19
2Spencer James KnickerbockerMEMBER / PARTNER / CHIEF INVESTMENT OFFICERIndividualSTONEBROOK PRIVATE LLC10% to less than 25%Code BYesMEMBER / PARTNER / CHIEF INVESTMENT OFFICER02/2023Schedule APDF page 19
3ROSEANN HIGGINSCHIEF COMPLIANCE OFFICERIndividualSTONEBROOK PRIVATE LLCLess than 5%Code NANoCHIEF COMPLIANCE OFFICER01/2024Schedule APDF page 19
4ELEVATION POINT LLCMEMBERDomestic entitySTONEBROOK PRIVATE LLC10% to less than 25%Code BNoMEMBER01/2025Schedule APDF page 19
5DALTON-MYCG, LLCMANAGING MEMBERDomestic entityELEVATION POINT LLC50% to less than 75%Code DYesMANAGING MEMBER01/2025Schedule BPDF page 19
6GREG DAVID ANDERSONMEMBERIndividualELEVATION POINT LLC25% to less than 50%Code CYesMEMBER01/2025Schedule BPDF page 19
7JOHN LEONARD SABREMANAGING MEMBERIndividualDALTON-MYCG, LLC75% or moreCode EYesMANAGING MEMBER01/2025Schedule BPDF page 19
8LYNN VIRGINIA SABREMANAGING MEMBERIndividualDALTON-MYCG, LLC25% to less than 50%Code CYesMANAGING MEMBER01/2025Schedule BPDF page 19

Less than 5% may include zero. Code F identifies a role without specifying a percentage. Reported interests may overlap and may not include every owner. Total indirect ownership is not calculated.

Compliance & Disclosures

Filing dated 5/13/2026 11:31:19 AM

Responses were selected by the RIA in its filing. Questions are shortened for readability; “you” refers to the reporting firm, and some questions also cover advisory affiliates.

RIA or supervised-person involvementThe RIA reported that none of the events below involve the firm or its supervised persons.RIA responseNo
AFelonies2 No

In the past ten years, have you or any advisory affiliate:

  • A1Been convicted of or pleaded guilty or no contest to a felony?No
  • A2Been charged with a felony?No
BMisdemeanors2 No

In the past ten years, have you or any advisory affiliate:

  • B1Been convicted of or pleaded guilty or no contest to a misdemeanor involving investments, an investment-related business, fraud, false statements or omissions, wrongful taking of property, bribery, perjury, forgery, counterfeiting, or extortion?No
  • B2Been charged with a misdemeanor of the kind listed above?No
CSEC or CFTC actions5 No

Has the SEC or CFTC ever:

  • C1Found you or an advisory affiliate made a false statement or omission?No
  • C2Found you or an advisory affiliate violated SEC or CFTC regulations or statutes?No
  • C3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • C4Entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • C5Imposed a civil money penalty on you or an advisory affiliate, or ordered you or an advisory affiliate to cease and desist from any activity?No
DOther regulatory actions5 No

Has any other federal regulatory agency, state regulatory agency, or foreign financial regulatory authority ever:

  • D1Found you or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?No
  • D2Found you or an advisory affiliate violated investment-related regulations or statutes?No
  • D3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • D4In the past ten years, entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • D5Denied, suspended, or revoked your or an advisory affiliate’s registration or license, or otherwise prevented association with an investment-related business or restricted activities?No
ESelf-regulatory organization actions4 No

Has a self-regulatory organization or commodities exchange ever:

  • E1Found you or an advisory affiliate made a false statement or omission?No
  • E2Found you or an advisory affiliate violated its rules, other than a violation designated as a minor rule violation under an SEC-approved plan?No
  • E3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • E4Disciplined you or an advisory affiliate by expulsion, suspension, barring association with other members, or otherwise restricting activities?No
FProfessional authorizations1 No
  • FHas an authorization to act as an attorney, accountant, or federal contractor granted to you or an advisory affiliate ever been revoked or suspended?No
GPending regulatory proceedings1 No
  • GAre you or any advisory affiliate now the subject of a regulatory proceeding that could result in a “Yes” answer to any part of C, D, or E?No
HCivil judicial actions and proceedings4 No

(1) Court actions

Has a domestic or foreign court:

  • H(1)(a)In the past ten years, enjoined you or an advisory affiliate in connection with investment-related activity?No
  • H(1)(b)Found that you or an advisory affiliate violated investment-related statutes or regulations?No
  • H(1)(c)Dismissed, pursuant to a settlement agreement, an investment-related civil action brought against you or an advisory affiliate by a state or foreign financial regulatory authority?No

(2) Pending civil proceedings

  • H(2)Are you or any advisory affiliate now the subject of a civil proceeding that could result in a “Yes” answer to any part of H(1)?No

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.