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Rock Creek Group

SEC-registered adviser since 2003Washington, DCCRD 125409

41
Clients
26
Advisory staff

From Form ADV filed 29 May 2026 · data retrieved 15 October 2026SEC record

Rock Creek Group is an investment adviser headquartered in Washington, District of Columbia, and registered with the SEC since 2003. Its clients include state or municipal government entities, other clients and pooled investment vehicles.

Its services include portfolio management for investment companies, portfolio management for pooled vehicles and portfolio management for institutions. Fee arrangements include a percentage of assets under management, fixed fees and performance-based fees. Brown Advisory Management LLC owns 75% or more of Rock Creek Group.

Clients

Rock Creek Group serves 41 clients, 12 of them pooled investment vehicles. The average client has about $448 million with the firm.

Regulatory assets by client type
  • Pooled investment vehicles12 clients14%
  • Pension and profit-sharing plans4 clients3%
  • Charitable organizations10 clients12%
  • State or municipal government entities5 clients47%
  • Other8 clients23%
  • OtherInvestment companies, Insurance companies1%
Show client breakdown
Investment companies
Clients
1
Regulatory AUM
$86,666,100
Share
0.5%
Avg. per client
$86.7M
Pooled investment vehicles
Clients
12
Regulatory AUM
$2,514,061,132
Share
13.7%
Avg. per client
$209.5M
Pension and profit-sharing plans
Clients
4
Regulatory AUM
$535,973,343
Share
2.9%
Avg. per client
$134.0M
Charitable organizations
Clients
10
Regulatory AUM
$2,271,534,450
Share
12.4%
Avg. per client
$227.2M
State or municipal government entities
Clients
5
Regulatory AUM
$8,731,243,950
Share
47.5%
Avg. per client
$1.75B
Insurance companies
Clients
1
Regulatory AUM
$33,710,223
Share
0.2%
Avg. per client
$33.7M
Other
Clients
8
Regulatory AUM
$4,211,418,804
Share
22.9%
Avg. per client
$526.4M

Total

Clients
41
Regulatory AUM
$18,384,608,002
Share
100%
Avg. per client
$448.4M

What it does

Rock Creek Group provides portfolio management for investment companies, portfolio management for pooled vehicles, portfolio management for institutions and other activities. It is paid through a percentage of assets, fixed fees and performance-based fees.

Rock Creek Group advises 12 private funds.

77.5% of assets ($14.24B across 58 accounts) are managed with discretion; $4.14B across 7 accounts are not. 24% of clients are outside the U.S., and 0 clients received advice without assets under management last fiscal year.

What the accounts hold

Separately managed account assets by class, year end
  • Stocks1%
  • Funds93%
    • Pooled vehicles84%
    • Registered funds9%
  • Bonds1%
  • Cash4%

Filed values cover 99%. The neutral 1% gap has no reported category.

Custodians

Rock Creek Group’s client accounts are held mainly at Northern Trust, with 15% of managed assets. Rock Creek Group has custody of $1.61B for 7 clients.

Managed account assets by custodian
  • Northern TrustNorthern Trust Company · Chicago, IL · $2.72B15%
  • All other custodians$15.67B85%

Ownership and leadership

Brown Advisory Management LLC owns 75% or more of Rock Creek Group.

Who owns the firm
Rock Creek Group LLC· the adviser
  • Brown Advisory Management LLC

    Control person · since May 2026

    Owns 75% or more of Rock Creek Group LLC

Leadership

  • Sherri Rossoff
    General Counsel & Chief Operating Officer
  • Roderick Cruz
    Chief Compliance Officer & Managing Director
  • Afsaneh Beschloss
    Founder and CEO

Staff

  • 62 employees
  • 26 in advisory functions

Reported holdings

Rock Creek Group’s reported 13F holdings total $993.7M across 57 positions, and the ten largest make up 72.7% of it.

$993.7M
Reported 13F value
57
Positions
72.7%
In the 10 largest
+0.6%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. iShares Core S&P Total U.S. · Core S&P Ttl Stk11.2%
  2. EA Series Rockcreek Global Equalit · Rockcreek Global9.2%
  3. Invesco SP 500 Equal Weighted ETF · S&P500 Eql Wgt8.5%
  4. iShares 1 3 Year Intl Trs BD · 3yrtb ETF8.3%
  5. Choice Hotels Intl Inc.7.3%
  6. JP Morgan Ultra Short Income ETF · Ultra Shrt Inc.6.6%
  7. SPDR Gold Shares ETF · Gold Shs6.5%
  8. iShares Core U.S. Aggregate Bond ETF · Core US Aggbd ET5.9%
  9. iShares Core MSCI International Developed Markets ETF · Core MSCI Intl4.6%
  10. Rbb FD Inc. · FM Ultrashort TR4.6%

Together, the ten largest are 72.7% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 3 August 2026

A 13F covers only exchange-traded long positions the firm holds with discretion, so this $993.7M is not its $18.38B in regulatory assets and does not represent any individual client's portfolio.

Fees

Rock Creek Group is paid through a percentage of assets under management, fixed fees (other than subscription fees) and performance-based fees.

Rock Creek Group’s fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Rock Creek Group has 1 office, with 2 listed addresses across 2 states.

Listed office addresses by state

District of Columbia · 1 listed address

  • 1133 Connecticut Ave., N.W., Suite #500, WashingtonHQ

Registration details

Legal name
Rock Creek Group LLC
Headquarters
1133 Connecticut Ave., N.W., Suite #500, Washington, DC 20036
Website
Not reported
SEC file
801-61844
Structure
Delaware LLC
Fiscal year end
December

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. See this firm's record on adviserinfo.sec.gov

Common questions

How many clients does Rock Creek Group have?

Rock Creek Group has 41 clients and manages $18.4 billion for them, as of May 2026. They include 12 pooled investment vehicles, 10 charitable organizations and 8 other clients.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 29 May 2026

What services does Rock Creek Group offer?

Rock Creek Group provides portfolio management for investment companies, portfolio management for pooled vehicles, portfolio management for institutions and other activities.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

Which custodians does Rock Creek Group use?

Rock Creek Group’s separately managed account assets are held at Northern Trust Company (Chicago, IL), with $2,716,100,000. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 29 May 2026

How many financial advisors does Rock Creek Group have?

Rock Creek Group has 0 investment adviser representatives registered with state securities authorities, out of 62 employees, and 26 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Rock Creek Group invest in?

At the end of its last fiscal year, Rock Creek Group’s separately managed accounts held 84% pooled vehicles (private funds and similar), 9% registered funds (mutual funds, ETFs, BDCs), 4% cash and equivalents, 1% exchange-traded equities and 1% U.S. government and agency bonds. It advises 12 private funds.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Rock Creek Group?

Rock Creek Group is owned through a holding company by Brown Advisory Group Holdings LLC. Its direct owner is Brown Advisory Management LLC (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 29 May 2026

How does Rock Creek Group get paid?

Rock Creek Group is paid through a percentage of assets under management, fixed fees and performance-based fees. Its Form ADV lists no commissions among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

Sources

  1. Form ADV Part 1A, amendment filed 29 May 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 125409.
  3. Form 13F-HR, filed 3 August 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since.

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This profile is compiled from public regulatory filings and is provided for informational purposes only. Niva Wealth is not affiliated with Rock Creek Group LLC and makes no representation about the quality of its services. Figures reflect the filing dates shown and may have changed. Ownership percentages are the bands reported to the SEC, not exact figures.