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For asset managers

SEC-registered independent wealth management RIA

Nichols & Pratt Advisers LLP

As of its Form ADV filed August 26, 2026, Nichols & Pratt Advisers LLP, an SEC-registered independent wealth management RIA in Boston, Massachusetts, reported $2.4 billion in regulatory assets under management across 642 accounts, ranking #32 among independent RIAs in Massachusetts by assets.

Registration

Main office
Boston, MA
Registration
SEC-registered, Approved
CRD number
107113
SEC file number
801-47618
Registered since
October 11, 1994
Latest Form ADV filing
August 26, 2026
Organized as
Limited Liability Partnership
Fiscal year ends
December
Other offices
0

Key figures

Regulatory assets under management
$2.4 billion
Discretionary
$2.2 billion (89.7%)
Non-discretionary
$249.2 million
Accounts
642 (562 discretionary)
Clients
106, approximate as reported
Employees
20
Advisory staff
10 performing investment advisory functions
Average account
$3.8 million
Asset growth, 1 year
4.7% (from $2.3 billion a year earlier)
Asset growth, 3-year annual rate
7.7% (from $1.9 billion three years earlier)
Asset growth, 5-year annual rate
4.9% (from $1.9 billion five years earlier)
Client growth, 1 year
-1.9% (from 108)

Independent wealth management RIA: individual and high net worth clients hold at least half of its regulatory assets, it offers financial planning or portfolio management for individuals, and it is not a broker-dealer, a bank or part of one by the directory's rules. How firms are classed.

Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.

Rankings

Among independent wealth management RIAs.

Assets over time

Nichols & Pratt Advisers LLP: regulatory assets under managementThe SEC's yearly snapshots and the latest filing. Years of state registration are not in the SEC files.RAUM the firm reported in each snapshot, October 1, 2010 to October 2, 2026.
$0$1B$2B$3B201020132016202020232026$2.4BOctober 1, 2010: $1.3 billionOctober 3, 2011: $1.4 billionOctober 1, 2012: $1.4 billionOctober 1, 2013: $1.4 billionOctober 1, 2014: $1.6 billionOctober 1, 2015: $1.7 billionOctober 3, 2016: $1.6 billionOctober 2, 2017: $1.6 billionOctober 1, 2018: $1.7 billionOctober 1, 2019: $1.6 billionOctober 1, 2020: $1.9 billionOctober 4, 2021: $1.9 billionOctober 3, 2022: $2.2 billionOctober 5, 2023: $1.9 billionOctober 1, 2024: $2.2 billionSeptember 2, 2025: $2.3 billionOctober 2, 2026: $2.4 billion
Data table
Nichols & Pratt Advisers LLP: regulatory assets under management
As ofRAUM
October 1, 2010$1.3 billion
October 3, 2011$1.4 billion
October 1, 2012$1.4 billion
October 1, 2013$1.4 billion
October 1, 2014$1.6 billion
October 1, 2015$1.7 billion
October 3, 2016$1.6 billion
October 2, 2017$1.6 billion
October 1, 2018$1.7 billion
October 1, 2019$1.6 billion
October 1, 2020$1.9 billion
October 4, 2021$1.9 billion
October 3, 2022$2.2 billion
October 5, 2023$1.9 billion
October 1, 2024$2.2 billion
September 2, 2025$2.3 billion
October 2, 2026$2.4 billion

Clients and services

Client mix

Regulatory assets by client typeForm ADV Item 5.D, as reported. Client counts are approximate.
MeasureBarRAUM
High net worth individuals 85 clients $2.2 billion
Other fewer than 5 clients $232.5 million
Individuals (other than high net worth) 21 clients $21.8 million

How the firm is paid

  • A percentage of assets under management
  • Hourly charges
  • Fixed fees
  • Other

Advisory services

  • Portfolio management for individuals or small businesses

Wrap fee program sponsor or portfolio manager: no.

Other business, affiliations and custody

Other business activities (Item 6.A)

None reported.

Financial industry affiliations (Item 7.A)

  • Lawyer or law firm

Custody (Item 9)

The firm reported custody of client cash or securities, $2.1 billion in total.

Investment adviser representatives

IARs registered with the firm
2
Also registered through a broker-dealer
0
Employees who are IARs (Form ADV 5.B(3))
0

Designations held by the firm's IARs: CFA 2.

0 of the firm's 2 IARs are registered in jurisdictions that require IAR CE. IAR CE requirements by state.

Counts only. AdvisorIQ does not list individual people.

Disclosures

On Form ADV Item 11 the firm answered yes to 0 disclosure questions. See the detail on IAPD.

Succession and acquired firms

On Form ADV Item 4 the firm did not report succeeding to another adviser's business.

Succession and M&A for advisors

Similar-sized firms in Massachusetts

The five independent RIAs nearest in regulatory assets with a main office in the same state.

Firm data as of October 2, 2026, from ia100226.zip. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.

Data as of October 2, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.