AUMdb

Windrock Wealth Management Llc

SEC-registered Wealth Manager · Small ($100M–$1B) CRD 166124 · SEC file 801-106722 · Naperville, IL · WWW.FACEBOOK.COM
☆ Save with Pro ADV data as of Mar 17, 2026
Regulatory AUM
$363M
Discretionary
$363M
Clients
83
Avg AUM / client
$4.4M
Accounts
583
Employees
5

AUM over time

$124M $415M
Sep 25, 2015 Mar 17, 2026

Reported AUM from Form ADV filings, plotted by filing date · as of Mar 17, 2026

Who they serve

Client typeClientsAUM% of AUM
Individuals (non-high net worth) 32 $20.8M 5.72%
High net worth individuals 51 $342M 94.3%

Private funds (1)

Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $0 combined gross assets

FundTypeDomicileGross assetsOwners
Scm Opportunity I Llc Private Equity Fund Arizona $0 39

People (4)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
Brett Kristian Rentmeester Managing Member/Chief Compliance Officer CFA Aug 2008 (18y) ≈ 56.25% – 100% via Declaration Of Trust Of Brett K. Rentmeester Dated August 14, 2008
Christopher Patrick Casey Registered representative CFA Jan 2016 (11y)
Brandy C Maben Registered representative Jul 2022 (4y)
Austin Miller Kent Registered representative Jul 2025 (1y)

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Declaration Of Trust Of Brett K. Rentmeester Dated August 14, 2008 Member Sep 2012 A 75% or more
Oceanrock, Llc Owner Dec 2020 A 75% or more
Declaration Trust Of Brent K. Rentmeester Dated August 14, 2008 Owner Dec 2020 B ≈ 56.25% – 100% via Oceanrock, Llc

Estimated effective ownership (look-through of filed bands):

  • Brett Kristian Rentmeester: 75% – 100% of Declaration Of Trust Of Brett K. Rentmeester Dated August 14, 2008 × 75% – 100% direct ≈ 56.25% – 100% of the firm
  • Declaration Trust Of Brent K. Rentmeester Dated August 14, 2008: 75% – 100% of Oceanrock, Llc × 75% – 100% direct ≈ 56.25% – 100% of the firm

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (1, $0 gross assets)

FundTypeGross assetsMin. investmentOwners
Scm Opportunity I Llc Private Equity Fund $0 $50.0K 39

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/17/2026 1.19 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Percentage of assets under management
  • Hourly charges
  • Fixed fees
  • Performance-based fees

Services

  • Portfolio management for individuals/small businesses
  • Selection of other advisers
  • Publication of periodicals or newsletters

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports it does not have custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 17, 2026.

View current Form ADV (SEC/IAPD) ↗