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Round Rock Advisors

Wealth managementRIA

Wilton, CTCRD 286007Updated

Round Rock Advisors is an investment adviser based in Wilton, CT, registered with the SEC since 2017. It provides financial planning and investment management. Its clients include high-net-worth individuals, individual clients and pooled investment vehicles. Its regulatory assets under management total $907 million, as filed on 22 June 2026.

647
Clients
$1.17M
AUM per individual client
12
Advisory staff
2
Offices
See fees
Annual fee

From Form ADV filed 22 June 2026SEC record

Services and clients

Round Rock Advisors provides financial planning, portfolio management for individuals and small businesses, portfolio management for pooled vehicles, pension consulting, selecting other managers, education planning, and insurance. Financial planning was provided to 101–250 clients last fiscal year.

Round Rock Advisors reports 647 clients. They include 420 individual clients, 202 high-net-worth individuals and 11 other clients. Of its assets, 100.0% ($907M across 1,935 accounts) are managed with discretion. Of its clients, 1% are outside the U.S.

Clients and assets by client type
Clients647 clients reported
Assets$907M
Share of clients and assets by client type
Client typeClientsAssets
Individuals (other than HNW)65%15%
High-net-worth individuals31%66%
Pooled investment vehicles<1%8%
Pension and profit-sharing plansFewer than 52%
Charitable organizations<1%<1%
Other client typesCorporations and other businesses; Other3%8%

Client shares use reported counts. Client types without a reported count are excluded from that total.

Client breakdown and activity details
Individuals (other than HNW)
Clients
420
Regulatory AUM
$134M
AUM share
14.8%
Avg. per client
$319K
High-net-worth individuals
Clients
202
Regulatory AUM
$595M
AUM share
65.7%
Avg. per client
$2.95M
Pooled investment vehicles
Clients
1
Regulatory AUM
$72.1M
AUM share
8.0%
Avg. per client
$72.1M
Pension and profit-sharing plans
Clients
Fewer than 5
Regulatory AUM
$22.6M
AUM share
2.5%
Avg. per client
—
Charitable organizations
Clients
5
Regulatory AUM
$5.94M
AUM share
0.7%
Avg. per client
$1.19M
Corporations and other businesses
Clients
8
Regulatory AUM
$22.1M
AUM share
2.4%
Avg. per client
$2.76M
Other
Clients
11
Regulatory AUM
$54.8M
AUM share
6.0%
Avg. per client
$4.98M

Total

Clients
647
Regulatory AUM
$907M
AUM share
100%
Avg. per client
—
Clients outside the U.S.
1%
Clients advised without assets under management last fiscal year
0
Private funds advised
0
Financial planning clients last fiscal year
101–250

Fees and minimums

Round Rock Advisors is paid through a percentage of assets under management and fixed fees (other than subscription fees). The reviewed brochures do not disclose an asset-based fee rate. Read the SEC-filed brochure. The brochure also prices 3 other services, listed under fee details.

Fee details and sources

Other fees

Armstrong Shaw Division Portfolio Management
ASD standard fee is 1% of the first $10 million, 0.75% on the next $15 million and 0.5% above, paid quarterly in arrears; may vary.
Financial Planning
Stand-alone financial planning is an annual fee of up to $5,000, negotiable, estimated before engagement.
Retirement Plan Services
Retirement plan advisory is an annual asset-based fee of up to 1.25%, billed in advance or arrears per the plan provider; negotiable.

Ownership and people

Bert Bowler owns 50% to 75% of Round Rock Advisors. It has 22 employees, 12 of them in advisory roles.

Leadership

Staff

  • 22 employees
  • 12 in advisory functions
  • 11 state-registered reps
  • 7 insurance agents
Who owns the firm
Round Rock Advisors LLC· the adviser
  • Bert Bowler

    Control person · since April 2017

    Owns 50% to 75% of Round Rock Advisors LLC
  • Craig Jensen

    Control person · since November 2023

    Owns 50% to 75% of Round Rock Advisors LLC

Growth and acquisitions

Round Rock Advisors’ regulatory assets grew 3.5× from $261M (February 2021) to $907M (June 2026); clients rose from 503 to 647 and employees from 11 to 22.

By annual filing
Measure
Figures from each annual filing
Round Rock Advisors figures from each annual Form ADV filing
FiledRegulatory AUMClientsEmployeesOffices
June 2026$907M647222
July 2025$815M698243
March 2024$673M625193
August 2023$485M589163
April 2022$493M458133
February 2021$261M503111

Offices and registration details

Besides its headquarters, Round Rock Advisors has 1 office, with 2 listed addresses in Connecticut and New York.

Listed office addresses by state

Connecticut · 1 listed address

  • 187 Danbury Road, Suite 201, WiltonHQ

Other business names

Round Rock Advisors has reported 2 other business names to the SEC.

  • Armstrong Shaw
  • Thomson, Horstmann & Bryant Asset Management

Contact and registration details

Legal name
Round Rock Advisors LLC
Headquarters
187 Danbury Road, Suite 201, Wilton, CT 06897
SEC file
801-108989
Founded
2017
Structure
Connecticut LLC
Fiscal year end
December

Custodians

Round Rock Advisors uses Charles Schwab ($655M) as custodian for its separately managed accounts. Round Rock Advisors has custody of $169M in client assets for 335 clients.

Reported separately managed account assets by custodian
$655M
named custodians
  • Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $655M100%

Investments and reported holdings

At year end, Round Rock Advisors’ separately managed accounts were mostly in funds (67%) and stocks (24%). Its reported 13F holdings for the quarter ended 30 June 2026 total $776M across 318 positions; the largest are Invesco Qqq TR (7.9%), Vaneck ETF Trust (7.1%) and Vanguard Whitehall Fds (6.6%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks24%
  • Funds67%
    • Registered funds63%
    • Pooled vehicles4%
  • Bonds7%
    • U.S. government and agency bonds3%
    • Investment grade corporate bonds3%
    • State and local bonds1%
  • Cash2%

Reported 13F holdings

$776M
Reported 13F value
318
Positions
46.6%
In the 10 largest
+18.8%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Invesco Qqq TR · Unit Ser 17.9%
  2. Vaneck ETF Trust · Semiconductr ETF7.1%
  3. Vanguard Whitehall Fds · High Div Yld6.6%
  4. J P Morgan Exchange Traded F · Ultra Shrt ETF6.2%
  5. iShares TR · Core S&P Scp ETF4.7%
  6. Vanguard Index Fds · Mid Cap ETF4.1%
  7. Select Sector SPDR TR · ST Str Indl ETF2.8%
  8. Apple Inc.2.5%
  9. iShares TR · Select Divid ETF2.4%
  10. Select Sector SPDR TR · ST Str Care ETF2.4%

Together, the ten largest are 46.6% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 12 August 2026

Common questions

How many clients does Round Rock Advisors have?

Round Rock Advisors has 647 clients and manages $907 million for them, as of June 2026. They include 420 individual clients, 202 high-net-worth individuals and 11 other clients.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 22 June 2026

What services does Round Rock Advisors offer?

Round Rock Advisors provides financial planning, portfolio management for individuals and small businesses, portfolio management for pooled vehicles, pension consulting, selecting other managers, education planning, and insurance.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file; Part 2A brochure, Item 4

Which custodians does Round Rock Advisors use?

Round Rock Advisors’ separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $655M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 22 June 2026

How many financial advisors does Round Rock Advisors have?

Round Rock Advisors has 11 investment adviser representatives registered with state securities authorities, out of 22 employees, and 12 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 7 employees are 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 Round Rock Advisors invest in?

At the end of its last fiscal year, Round Rock Advisors’ separately managed accounts held 63% registered funds (mutual funds, ETFs, BDCs), 24% exchange-traded equities, 4% pooled vehicles (private funds and similar), 3% U.S. government and agency bonds, 3% investment grade corporate bonds, 2% cash and equivalents and 1% state and local bonds.

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

Who owns Round Rock Advisors?

Round Rock Advisors’ direct owners are Bert Bowler (50% to 75%) and Craig Jensen (50% to 75%).

Source: Form ADV Part 1A, Schedules A and B, filed 22 June 2026

How does Round Rock Advisors get paid?

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

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

How do I contact Round Rock Advisors?

Round Rock Advisors’ main office is at 187 Danbury Road, Suite 201, Wilton, CT 06897. Its phone number is 203-920-4774. Its website is roundrockadvisors.com.

Source: Form ADV Part 1A, Item 1.F, filed 22 June 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 22 June 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. ROUND ROCK ADVISORS DISCLOSURE BROCHURE, submitted 30 March 2026.
  3. IAPD firm record, CRD 286007.
  4. SEC registered adviser data, annual Form ADV amendments filed 17 February 2021 to 22 June 2026. Items 1.F and 5.
  5. SEC investment adviser representative register, as of 9 October 2026; loaded 10 October 2026.
  6. Form 13F-HR, filed 12 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. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. The logo is reproduced for identification from Round Rock Advisors LLC, website.

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