DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

The names on this page are hidden. Create a free account and they fill in. No card, and every figure, date and source on this page is public either way.

SEC-registered adviser

S••••••••• A••••••• L••

Asset manager (funds and pooled vehicles)Wilton, ConnecticutCRD 134017SEC 801-63899websiteIAPD
Latest filing Mar 18, 2026
First filing on the tape Mar 29, 2012 · 35 filings
SEC status approved since Feb 18, 2005
RAUM
$12B
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
1.0%
$119M individuals and HNW
Advisors
5
registered through the firm on IAPD
RAUM per advisor
$2.4B
derived; firm RAUM over IAPD count
Employees
15
9 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
0
reported on Schedule D
History
35 filings and snapshots on the tape
RAUM$12B as of Mar 18, 2026
Mar 29, 2012$837M then
HNW client RAUM$50.8M as of Mar 18, 2026
Mar 1, 2018$436M then
State-registered IARs (5.B.3)5 as of Mar 18, 2026
Mar 20, 20135 then
Employees (5.A)15 as of Mar 18, 2026
Mar 20, 201310 then
Private funds: no history
RAUM +9.2% over the last fiscal year+4.0% a year over threeIARs 8 to 5
Practice profile
derived from the filing of Mar 18, 2026; every figure names its basis
RAUM per advisor
$2.4BderivedRAUM over IAPD advisors; not a book size
Clients per advisor
44derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$4.6MderivedHNW RAUM over HNW clients
Average account
$3.2MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.9%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
3.0derivedItem 5.A over advisors
Advisors per office
5.0derived1 offices incl. principal (1.F.5)
RAUM growth, one year
+9.2%derivedbetween the last two annual amendments
Advisor growth, one year
-38%derivedItem 5.B.3 between annual amendments
Client growth, one year
-11%derived
Compensation
percentage of assetsreportedItem 5.E
Advisory activities
portfolio management for individuals, portfolio management for businesses and institutions, portfolio management for investment companiesreportedItem 5.G
Wrap fee program
participatesreportedItem 5.I
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • buys or sells securities as principal to or from clients (8.A.2)
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • receives research or other products from a broker-dealer, soft dollars (8.E)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Investment companies$10B87%
  • Other investment advisers$1.3B11%
  • Pension and profit-sharing plans$72.1M0.6%
  • Individuals$68.0M0.6%
  • High-net-worth individuals$50.8M0.4%
  • Charitable organizations$33.3M0.3%
  • Corporations and businesses$14.4M0.1%
Individual clients
210reported
HNW clients
11reported
Pension plan clients
11reported
Charitable clients
7reported
Accounts
3,739reported
Financial planning clients
reported
Wrap fee programs
$0 sponsored, $1.6B managedreported
Custody of client assets
noreported
Compensation
% of AUMreported
Class basis
private_client_share=0.01 fund_share=0.98 institutional_share=0.01 related_bd=true related_bank=true bd_reps=1.0derived
Advisors registered through the firm
5 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
R••••• A•••• W•••Wilton, CtAug 24, 200625 y0
E••• D•••• W•••••Wilton, CtDec 23, 201316 y0
C••••• S•••••• F••••••Wilton, CtJan 16, 201512 y0
S••••• V••••Wilton, CtSep 16, 201511 y0
M••••••••• M••••Wilton, CtNov 21, 201611 y0
Advisor movement
0 left, 0 joined in 12 months
Private funds
No private fund reported.
Owners and control persons
Schedule A and B, latest filing
  • A••••••••• S••••••• · Chief Compliance Officer & Counselcontrol
    since 06/2024 · owns less than 5%
  • B••••• J••••• A•••• · Chairman Of The Boardcontrol
    since 12/2004 · owns less than 5%
  • D••••• J••••• M••••• · Chief Financial Officercontrol
    since 01/2016 · owns less than 5%
  • F••••••• S••••• T••••• · Chief Executive Officercontrol
    since 12/2004 · owns less than 5%
  • J••••••• W••••••• S•••• · Secretarycontrol
    since 12/2004 · owns less than 5%
  • M••••••• D••••• G••••• · Directorcontrol
    since 01/2016 · owns less than 5%
  • P•••••••• C••••• S•••••• · Directorcontrol
    since 07/2007 · owns less than 5%
  • B••••• J••••• A•••• · Sole Shareholdercontrol
    since 10/2010 · owns 75% or more of A•• V••••••• L••
  • F••••••• S••••• T••••• · Ownercontrol
    since 01/2003 · owns 75% or more of S••••••••• Asset Management, LLC
  • G••••• A•••••• D••••••• · Evp, Pm
    since 01/2022 · owns less than 5%
  • W•••••• E•••• D•••• · Evp, Pm
    since 01/2020 · owns less than 5%
  • W•••• R•••••• A•••• · Evp, Cio
    since 01/2018 · owns less than 5%
Entity owners
  • F•••• T•••• C•••••• P••••••• L•• · Member/Shareholder/Class A
    direct · owns 50% to 75%
  • S••••••••• A•••• M••••••••• · Member/Shareholder/Class B
    direct · owns 25% to 50%
  • A•• V••••••• L•• · Shareholder
    indirect · owns 75% or more of T•• C•••••• C•••••••••
  • T•• C•••••• C••••••••• · Managing Member
    indirect · owns F of F•••• T•••• C•••••• P••••••• L••
  • T•• C•••••• C••••••••• · General Partner
    indirect · owns F of G•••• P••••••• O• D••••• L•••
  • G•••• P••••••• O• D••••• L••• · Non-Managing Member
    indirect · owns 75% or more of F•••• T•••• C•••••• P••••••• L••
Related persons
Schedule D 7.A
Advisers that list S••••••••• A••••••• L•• as a related person
Office movement
IAPD branch city; joins and departures in 12 months
OfficeAdvisorsJoinedLeftTeams outForming
Wilton, Ct · principal500
Offices
Schedule D 1.F, the 25 largest
No branch office listed.
ADV anomalies
1 against comparable advisers; where to look, not conclusions
  • advisor count dropChange between filings · filing Mar 18, 2026
    advisory representatives (Item 5.B.3) moved from 8.0 to 5.0 (-38.0%) between the annual amendments of 2025-03-21 and 2026-03-18; the peer median change was 0.0% (33 comparable advisers, 6.0th percentile of changes)
    peers: asset managers, $5B to $20B (33) · 6.3% percentile
What changed
consecutive filings, newest first
  • Accounts · 4,022 to 3,739
    Mar 21, 2025 to Mar 18, 2026
  • Advisory employees · 10 to 9
    Mar 21, 2025 to Mar 18, 2026
  • Corporate clients · 6 to 5
    Mar 21, 2025 to Mar 18, 2026
  • HNW clients · 13 to 11
    Mar 21, 2025 to Mar 18, 2026
  • Individual clients · 234 to 210
    Mar 21, 2025 to Mar 18, 2026
  • Employees · 17 to 15
    Mar 21, 2025 to Mar 18, 2026
  • State-registered IARs · 8 to 5
    Mar 21, 2025 to Mar 18, 2026
  • Discretionary RAUM · $11B to $12B
    Mar 21, 2025 to Mar 18, 2026
  • HNW RAUM · $56.2M to $50.8M
    Mar 21, 2025 to Mar 18, 2026
  • Individual RAUM · $72.7M to $68.0M
    Mar 21, 2025 to Mar 18, 2026
  • Pension RAUM · $68.2M to $72.1M
    Mar 21, 2025 to Mar 18, 2026
  • RAUM · $11B to $12B
    Mar 21, 2025 to Mar 18, 2026
  • Wrap assets (manager) · $1.6B to $1.6B
    Mar 21, 2025 to Mar 18, 2026
  • Accounts · 4,104 to 4,022
    Oct 17, 2024 to Mar 21, 2025
  • BD registered reps · 0 to 1
    Oct 17, 2024 to Mar 21, 2025
  • Charity clients · 8 to 7
    Oct 17, 2024 to Mar 21, 2025
  • Corporate clients · 43 to 6
    Oct 17, 2024 to Mar 21, 2025
  • HNW clients · 16 to 13
    Oct 17, 2024 to Mar 21, 2025
  • Individual clients · 250 to 234
    Oct 17, 2024 to Mar 21, 2025
  • Pension plan clients · 0 to 11
    Oct 17, 2024 to Mar 21, 2025
  • Financial planning clients · unset to
    Oct 17, 2024 to Mar 21, 2025
  • State-registered IARs · 9 to 8
    Oct 17, 2024 to Mar 21, 2025
  • Discretionary RAUM · $10B to $11B
    Oct 17, 2024 to Mar 21, 2025
  • HNW RAUM · $74.5M to $56.2M
    Oct 17, 2024 to Mar 21, 2025
  • Individual RAUM · $76.3M to $72.7M
    Oct 17, 2024 to Mar 21, 2025
  • Pension RAUM · $0 to $68.2M
    Oct 17, 2024 to Mar 21, 2025
  • RAUM · $10B to $11B
    Oct 17, 2024 to Mar 21, 2025
  • Wrap assets (manager) · $1.6B to $1.6B
    Oct 17, 2024 to Mar 21, 2025
  • Accounts · 4,417 to 4,104
    Apr 26, 2023 to Mar 22, 2024
  • Charity clients · 10 to 8
    Apr 26, 2023 to Mar 22, 2024
  • Corporate clients · 44 to 43
    Apr 26, 2023 to Mar 22, 2024
  • HNW clients · 28 to 16
    Apr 26, 2023 to Mar 22, 2024
  • Individual clients · 299 to 250
    Apr 26, 2023 to Mar 22, 2024
  • State-registered IARs · 8 to 9
    Apr 26, 2023 to Mar 22, 2024
  • Discretionary RAUM · $11B to $10B
    Apr 26, 2023 to Mar 22, 2024
  • HNW RAUM · $366M to $74.5M
    Apr 26, 2023 to Mar 22, 2024
  • Individual RAUM · $91.1M to $76.3M
    Apr 26, 2023 to Mar 22, 2024
  • RAUM · $11B to $10B
    Apr 26, 2023 to Mar 22, 2024
  • Wrap assets (manager) · $1.9B to $1.6B
    Apr 26, 2023 to Mar 22, 2024
  • Wrap assets (manager) · $3,316 to $1.9B
    Mar 31, 2023 to Apr 26, 2023
Signals
8 dated events
  • Samantha Addonizio (Chief Compliance Officer & Counsel) appeared on Schedule A of S••••••••• A••••••• L••
    Jun 12, 2024 · Control person joined · fact
  • Katzen Abigail Mooney (Chief Compliance Officer) no longer on Schedule A of S••••••••• A••••••• L•• (listed 2023-03-31, absent 2023-04-26)
    Apr 26, 2023 · Control person left · inference
  • S••••••••• A••••••• L•• reported RAUM $10.5B, down 27% from $14.4B (2023-01-03 to 2023-03-31)
    Mar 31, 2023 · RAUM change · derived
  • Gerard David Mcgarel (Director) appeared on Schedule A of S••••••••• A••••••• L••
    Mar 31, 2023 · Control person joined · fact
  • Katzen Abigail Mooney (Chief Compliance Officer) appeared on Schedule A of S••••••••• A••••••• L••
    Jan 3, 2023 · Control person joined · fact
  • Lane Stephen De Vore (Chief Compliance Officer) no longer on Schedule A of S••••••••• A••••••• L•• (listed 2022-03-03, absent 2023-01-03)
    Jan 3, 2023 · Control person left · inference
  • S••••••••• A••••••• L•• reported RAUM $10.5B, up 40% from $7.5B (2019-01-24 to 2020-03-17)
    Mar 17, 2020 · RAUM change · derived
  • S••••••••• A••••••• L•• reported RAUM $8.2B, up 33% from $6.2B (2017-08-18 to 2018-03-01)
    Mar 1, 2018 · RAUM change · derived
Across DFX
shared identifiers only, never a name match
No identifier-backed link to the venture, private equity, family office or sponsor graphs.
How to reach
public business contact points only, each with its source
Firm profile
linkedin.com/company/stonebridge-advisors-llcreportedpublic record, Form ADV, Sep 18, 2026
Website
S•••••••••FT.COMreportedpublic record, Form ADV, Sep 18, 2026
Principal office phone
203-762-0004reportedpublic record, Form ADV, Mar 18, 2026
Provenance
Form ADV
SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
Advisors
IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
Class
Asset manager (funds and pooled vehicles)deriveda rule over Items 5.D and 7.A
RAUM per advisor
$2.4Bderivedfirm RAUM over the IAPD count; not a book size
Loaded
Sep 14, 2026