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Fairfield, Bush & Co.

Wealth managementRIA

Darien, CTCRD 105970Updated

Fairfield, Bush & Co. is an investment adviser based in Darien, CT, registered with the SEC since 1973. It provides investment management. Its clients include high-net-worth individuals, individual clients and charitable organizations. Its regulatory assets under management total $589 million, as filed on 17 March 2026.

253
Clients
$2.39M
AUM per individual client
3
Advisory staff
1
Offices
0.50–1.00%
Annual fee

From Form ADV filed 17 March 2026SEC record

Services and clients

Fairfield, Bush & Co. provides portfolio management for individuals and small businesses and portfolio management for institutions.

Fairfield, Bush & Co. reports 253 clients. They include 184 individual clients, 57 high-net-worth individuals and 7 charitable organizations. Of its assets, 42.5% ($251M across 249 accounts) are managed with discretion; $338M across 4 accounts are not.

Clients and assets by client type
Clients253 clients
Assets$589M
Share of clients and assets by client type
Client typeClientsAssets
Individuals (other than HNW)73%10%
High-net-worth individuals23%88%
Charitable organizations3%1%
Corporations and other businesses2%<1%
Client breakdown and activity details
Individuals (other than HNW)
Clients
184
Regulatory AUM
$58.6M
AUM share
9.9%
Avg. per client
$318K
High-net-worth individuals
Clients
57
Regulatory AUM
$518M
AUM share
88.0%
Avg. per client
$9.09M
Charitable organizations
Clients
7
Regulatory AUM
$8.14M
AUM share
1.4%
Avg. per client
$1.16M
Corporations and other businesses
Clients
5
Regulatory AUM
$4M
AUM share
0.7%
Avg. per client
$800K

Total

Clients
253
Regulatory AUM
$589M
AUM share
100%
Avg. per client
$2.33M
Clients outside the U.S.
0%
Clients advised without assets under management last fiscal year
0
Private funds advised
0
Financial planning clients last fiscal year
0

Fairfield, Bush & Co. fees and minimums

Fairfield, Bush & Co. charges 0.50%–1.00% a year for its Portfolio management services. The fee is billed in advance and has a $5,000 annual minimum.

Who owns Fairfield, Bush & Co.

Charles Krause owns 75% or more of Fairfield, Bush & Co.. The leadership team of Fairfield, Bush & Co. includes Chief Compliance Officer Charles Krause. It has 5 employees, 3 of them in advisory roles.

Leadership

Investment adviser representatives

3 representatives listed in the SEC register as of 9 October 2026.

Staff

  • 5 employees
  • 3 in advisory functions
  • 3 state-registered reps
Ownership chain
Fairfield, Bush & Co.· the adviser
  • Charles Krause

    Control person · since December 1998

    Owns 75% or more of Fairfield, Bush & Co.

Growth and acquisitions

Fairfield, Bush & Co.’s regulatory assets grew from $413M (June 2021) to $589M (March 2026); clients rose from 227 to 253 and employees fell from 6 to 5.

By annual filing
Measure
Figures from each annual filing
Fairfield, Bush & Co. figures from each annual Form ADV filing
FiledRegulatory AUMClientsEmployeesOffices
March 2026$589M25351
March 2025$521M23851
March 2024$449M23351
May 2023$365M22561
March 2022$416M22061
June 2021$413M22761

Offices and registration details

Besides its headquarters, Fairfield, Bush & Co. has 0 offices, with 1 listed address in Connecticut.

Listed office addresses in Connecticut
Darien

Connecticut · 1 listed address

  • 320 Boston Post Road, Suite 150, DarienHQ

Contact and registration details

Legal name
Fairfield, Bush & Co.
Headquarters
320 Boston Post Road, Suite 150, Darien, CT 06820
SEC file
801-9532
Founded
1973
Structure
Connecticut corporation
Fiscal year end
December

Custodians

Fairfield, Bush & Co. uses J.P. Morgan ($344M, 61%), Charles Schwab ($132M, 23%) and Pershing ($89.6M, 16%) as custodians for its separately managed accounts. Fairfield, Bush & Co. does not have custody of client assets.

Reported separately managed account assets by custodian
$565M
named custodians
  • PershingPershing Advisor Solutions LLC · Jersey City, NJ · $89.6M16%
  • Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $132M23%
  • J.P. MorganJ.P. Morgan Securities LLC · New York, NY · $344M61%

Investments and reported holdings

At year end, Fairfield, Bush & Co.’s separately managed accounts were mostly in stocks (87%). Its reported 13F holdings for the quarter ended 30 June 2026 total $203M across 126 positions; the largest are Taiwan Semiconductor Manufact Sponsored ADS (5.3%), Alphabet Inc. Cap Stk CL C (5.1%) and Archer Daniels Midland CO (5.0%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks87%
  • Funds2%
  • Bonds7%
  • Cash4%

Reported 13F holdings

$203M
Reported 13F value
126
Positions
39.0%
In the 10 largest
—
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Taiwan Semiconductor Manufact Sponsored ADS · ADR5.3%
  2. Alphabet Inc. Cap Stk CL C5.1%
  3. Archer Daniels Midland CO5.0%
  4. Amazon Com Inc.4.6%
  5. Microsoft Corp.4.3%
  6. Broadcom Inc.4.2%
  7. Apple Inc.2.8%
  8. JPMORGAN Chase & CO2.7%
  9. Oracle Corp.2.7%
  10. ASML Hldg NV N Y Registry Shs · ADR2.2%

Together, the ten largest are 39.0% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 13 August 2026

Common questions

How many clients does Fairfield, Bush & Co. have?

Fairfield, Bush & Co. has 253 clients and manages $589 million for them, as of March 2026. They include 184 individual clients, 57 high-net-worth individuals and 7 charitable organizations.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 17 March 2026

What services does Fairfield, Bush & Co. offer?

Fairfield, Bush & Co. provides portfolio management for individuals and small businesses and portfolio management for institutions.

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

How much does Fairfield, Bush & Co. charge?

Fairfield, Bush & Co. charges 0.50%–1.00% a year for its Portfolio management services. The fee is billed in advance and has a $5,000 annual minimum.

Source: FAIRFIELD, BUSH & CO. PART 2A - BROCHURE, filed 17 March 2026

Which custodians does Fairfield, Bush & Co. use?

Fairfield, Bush & Co.’s separately managed account assets are held at J.P. Morgan Securities LLC (New York, NY), with $344M, Charles Schwab & Co., Inc. (San Francisco, CA), with $132M and Pershing Advisor Solutions LLC (Jersey City, NJ), with $89.6M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 17 March 2026

How many financial advisors does Fairfield, Bush & Co. have?

Fairfield, Bush & Co. has 3 investment adviser representatives registered with state securities authorities, out of 5 employees, and 3 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 Fairfield, Bush & Co. invest in?

At the end of its last fiscal year, Fairfield, Bush & Co.’s separately managed accounts held 87% exchange-traded equities, 7% U.S. government and agency bonds, 4% cash and equivalents and 2% registered funds (mutual funds, ETFs, BDCs).

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

Who owns Fairfield, Bush & Co.?

Fairfield, Bush & Co.’s direct owner is Charles Krause (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 17 March 2026

How does Fairfield, Bush & Co. get paid?

Fairfield, Bush & Co. 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

Is Fairfield, Bush & Co. registered with the SEC?

Yes, Fairfield, Bush & Co. has been registered with the SEC as an investment adviser since 24 September 1973. Its CRD number is 105970 and its SEC file number is 801-9532.

Source: Form ADV Part 1A, Item 1, filed 17 March 2026; IAPD firm record

How do I contact Fairfield, Bush & Co.?

Fairfield, Bush & Co.’s main office is at 320 Boston Post Road, Suite 150, Darien, CT 06820. Its phone number is 203-777-5900. Its website is fairfieldbush.com.

Source: Form ADV Part 1A, Item 1.F, filed 17 March 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 17 March 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. FAIRFIELD, BUSH & CO. PART 2A - BROCHURE, submitted 17 March 2026.
  3. IAPD firm record, CRD 105970.
  4. SEC registered adviser data, annual Form ADV amendments filed 3 June 2021 to 17 March 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 13 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 Fairfield, Bush & Co., website.

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