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.

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SEC-registered adviser

S••••••••• P••••••• L••

Asset manager (funds and pooled vehicles)White Plains, New YorkCRD 160018SEC 801-73846websiteIAPD
Latest filing Jun 29, 2026
First filing on the tape Feb 14, 2012 · 34 filings
SEC status approved since Mar 30, 2012
RAUM
$99.4M
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
0.0%
$0 individuals and HNW
Advisors
0
registered through the firm on IAPD
RAUM per advisor
n/a
derived; firm RAUM over IAPD count
Employees
4
3 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
14
reported on Schedule D
History
34 filings and snapshots on the tape
RAUM$99.4M as of Jun 29, 2026
Mar 25, 2013$284M then
HNW client RAUM: no history
State-registered IARs (5.B.3)0 as of Jun 29, 2026
Mar 25, 20130 then
Employees (5.A)4 as of Jun 29, 2026
Mar 25, 201310 then
Private funds14 as of Jun 29, 2026
Mar 25, 20133 then
RAUM -22% over the last fiscal year-6.9% a year over threeIARs 0 to 0
Practice profile
derived from the filing of Jun 29, 2026; every figure names its basis
RAUM per advisor
unknownderivedRAUM over IAPD advisors; not a book size
Clients per advisor
unknownderivedindividual and HNW clients (5.D) over advisors
Average HNW client
unknownderivedHNW RAUM over HNW clients
Average account
$7.1MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
unknownderivedItem 5.A over advisors
Advisors per office
unknownderived1 offices incl. principal (1.F.5)
RAUM growth, one year
-22%derivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
fixed fees, performance-based, otherreportedItem 5.E
Advisory activities
portfolio management for pooled vehicles, otherreportedItem 5.G
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)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
  • marketing includes hypothetical performance (5.L.3)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$99.4M100%
Individual clients
n/areported
HNW clients
n/areported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
14reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
noreported
Compensation
fixed, performancereported
Class basis
private_client_share=0.0 fund_share=1.0 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0derived
Advisors registered through the firm
0 on IAPD today, longest tenure first
No representative is registered through this CRD on IAPD.
Advisor movement
Left, latest
none on the tape
    Joined, latest
    none on the tape
      Private funds
      32 reported on Schedule D 7.B.(1)
      FundTypeGross assetsOwnersFirst reported
      S••••••••• P••••••• E••••• I•• L••no longer reportedPrivate Equity Fund$136M2Mar 28, 2019
      S••••••••• P••••••• E••••• F••• I•• L•••Private Equity Fund$69.7M1Feb 14, 2012
      S••••••••• P••••••• E••••• I• L••no longer reportedPrivate Equity Fund$60.3M2Mar 28, 2019
      S••••••••• P••••••• E•••••• L••no longer reportedPrivate Equity Fund$49.4M2Mar 28, 2019
      S••••••••• P••••••• E••••• I•• L••no longer reportedPrivate Equity Fund$36.3M2Mar 28, 2019
      C••••••••• A••••••••• I• L••no longer reportedPrivate Equity Fund$18.8M28Apr 28, 2020
      P•• A••••••••• I• L••Private Equity Fund$17.1M44Mar 31, 2022
      A•• A••••••••• I•• L••Private Equity Fund$11.3M1Apr 28, 2020
      A•• A••••••••• I• L••Private Equity Fund$10.2M31Apr 28, 2020
      M•• A••••••••• I• L••Private Equity Fund$10.1M43Mar 30, 2023
      P•• A••••••••• I• L••Private Equity Fund$7.5M3Mar 31, 2022
      A• A••••••••• I• L••Private Equity Fund$4.5M31Mar 22, 2024
      N•• A••••••••• I• L••no longer reportedPrivate Equity Fund$4.0M25Apr 28, 2020
      A•• A••••••••• I• L••Private Equity Fund$3.1M15Apr 28, 2020
      G•• A••••••••• I• L••Private Equity Fund$2.8M33Mar 31, 2022
      C••••••••• A••••••••• I•• L••no longer reportedPrivate Equity Fund$2.2M4Apr 28, 2020
      S••••••••• S•••••••• B••••• L••Private Equity Fund$1.5M11Apr 28, 2020
      G•• A••••••••• I• L••Private Equity Fund$1.5M1Mar 31, 2022
      N•• A••••••••• I••• L••no longer reportedPrivate Equity Fund$1.3M6Apr 28, 2020
      N•• A••••••••• I•• L••no longer reportedPrivate Equity Fund$967,01810Apr 28, 2020
      S••••••••• P••••••• E••••• F••• I•• L•••no longer reportedPrivate Equity Fund$708,51425Feb 14, 2012
      S••••••••• P••••••• E••••• F••• I••• L•••no longer reportedPrivate Equity Fund$395,72640Feb 14, 2012
      A•• A••••••••• L••no longer reportedPrivate Equity Fund$237,9822Apr 28, 2020
      B••••• A••••••••• I• L••Private Equity Fund$111,48717Apr 28, 2020
      B••••• A••••••••• I•• L••Private Equity Fund$18,5535Apr 28, 2020
      H•••••••• A••••••••• I•• L••Private Equity Fund$04Apr 28, 2020
      B••••• A••••••••• I• L••Private Equity Fund$012Apr 28, 2020
      S••••••••• P••••••• P•••••• E••••• F••• V• L•no longer reportedHedge Fund$02Mar 12, 2014
      H•••••••• A••••••••• I••• L••Private Equity Fund$01Apr 28, 2020
      H•••••••• A••••••••• I• L••Private Equity Fund$018Apr 28, 2020
      H•••••••• A••••••••• I•• L••Private Equity Fund$011Apr 28, 2020
      H•••••••• A••••••••• V• L••Private Equity Fund$04Apr 28, 2020
      Owners and control persons
      Schedule A and B, latest filing
      • C••••••• W•••••• · Managing Directorcontrol
        since 01/2022 · owns 50% to 75%
      • H••••• S•••••• · Managing Directorcontrol
        since 01/2022 · owns 50% to 75%
      • T•••••• A•••••• A• · Membercontrol
        since 03/2021 · owns less than 5%
      • H•••• C•••••• · Chief Compliance Officer
        since 08/2024 · owns less than 5%
      Related persons
      Schedule D 7.A
      • S••••••••• P••••••• E••••• I• L••
        pooled vehicle sponsorn
      • S••••••••• P••••••• E••••• I•• L••
        pooled vehicle sponsory
      • S••••••••• P••••••• E••••• I•• L••
        pooled vehicle sponsory
      • S••••••••• P••••••• E••••• V• L••
        pooled vehicle sponsory
      • S••••••••• P••••••• M••••••••• I•• L••
        pooled vehicle sponsorn
      Offices
      Schedule D 1.F, the 25 largest
      No branch office listed.
      What changed
      consecutive filings, newest first
      • Discretionary RAUM · $128M to $99.4M
        May 12, 2025 to Mar 24, 2026
      • Pooled vehicle RAUM · $128M to $99.4M
        May 12, 2025 to Mar 24, 2026
      • RAUM · $128M to $99.4M
        May 12, 2025 to Mar 24, 2026
      • Financial planning clients · unset to
        Mar 24, 2025 to May 12, 2025
      • Accounts · 21 to 14
        Sep 6, 2024 to Mar 24, 2025
      • Pooled vehicle clients · 19 to 14
        Sep 6, 2024 to Mar 24, 2025
      • Private funds · 19 to 14
        Sep 6, 2024 to Mar 24, 2025
      • Discretionary RAUM · $139M to $128M
        Sep 6, 2024 to Mar 24, 2025
      • Pooled vehicle RAUM · $139M to $128M
        Sep 6, 2024 to Mar 24, 2025
      • RAUM · $139M to $128M
        Sep 6, 2024 to Mar 24, 2025
      • Accounts · 18 to 21
        Aug 17, 2023 to Mar 22, 2024
      • Advisory employees · 5 to 3
        Aug 17, 2023 to Mar 22, 2024
      • Pooled vehicle clients · 18 to 19
        Aug 17, 2023 to Mar 22, 2024
      • Assets in custody · 123292676.0 to unset
        Aug 17, 2023 to Mar 22, 2024
      • Custody of client assets · true to false
        Aug 17, 2023 to Mar 22, 2024
      • Employees · 6 to 4
        Aug 17, 2023 to Mar 22, 2024
      • Private funds · 18 to 19
        Aug 17, 2023 to Mar 22, 2024
      • Discretionary RAUM · $123M to $139M
        Aug 17, 2023 to Mar 22, 2024
      • Pooled vehicle RAUM · $123M to $139M
        Aug 17, 2023 to Mar 22, 2024
      • RAUM · $123M to $139M
        Aug 17, 2023 to Mar 22, 2024
      • Accounts · 17 to 18
        Mar 31, 2022 to Mar 30, 2023
      • Pooled vehicle clients · 17 to 18
        Mar 31, 2022 to Mar 30, 2023
      • Assets in custody · $77.3M to $123M
        Mar 31, 2022 to Mar 30, 2023
      • Private funds · 17 to 18
        Mar 31, 2022 to Mar 30, 2023
      • Discretionary RAUM · $92.2M to $123M
        Mar 31, 2022 to Mar 30, 2023
      • Pooled vehicle RAUM · $92.2M to $123M
        Mar 31, 2022 to Mar 30, 2023
      • RAUM · $92.2M to $123M
        Mar 31, 2022 to Mar 30, 2023
      • Accounts · 19 to 17
        Jan 13, 2022 to Mar 31, 2022
      • Advisory employees · 12 to 5
        Jan 13, 2022 to Mar 31, 2022
      • Pooled vehicle clients · 19 to 17
        Jan 13, 2022 to Mar 31, 2022
      • Assets in custody · $135M to $77.3M
        Jan 13, 2022 to Mar 31, 2022
      • Employees · 14 to 6
        Jan 13, 2022 to Mar 31, 2022
      • Private funds · 19 to 17
        Jan 13, 2022 to Mar 31, 2022
      • Discretionary RAUM · $105M to $92.2M
        Jan 13, 2022 to Mar 31, 2022
      • Pooled vehicle RAUM · $105M to $92.2M
        Jan 13, 2022 to Mar 31, 2022
      • RAUM · $105M to $92.2M
        Jan 13, 2022 to Mar 31, 2022
      • Discretionary RAUM · $135M to $105M
        Apr 28, 2020 to Mar 29, 2021
      • Pooled vehicle RAUM · $135M to $105M
        Apr 28, 2020 to Mar 29, 2021
      • RAUM · $135M to $105M
        Apr 28, 2020 to Mar 29, 2021
      • Accounts · 5 to 19
        Mar 28, 2019 to Apr 28, 2020
      Signals
      10 dated events
      • Irene Jacqueline Kepple (Chief Compliance Officer/Chief Financial Officer) no longer on Schedule A of S••••••••• P••••••• L•• (listed 2024-03-22, absent 2024-06-05)
        Jun 5, 2024 · Control person left · inference
      • W. Timothy Fulham (Chief Compliance Officer) no longer on Schedule A of S••••••••• P••••••• L•• (listed 2021-03-29, absent 2022-01-05)
        Jan 5, 2022 · Control person left · inference
      • Irene Jacqueline Kepple (Chief Compliance Officer) appeared on Schedule A of S••••••••• P••••••• L••
        Jan 5, 2022 · Control person joined · fact
      • W•••••• C•••••• (Managing Director) appeared on Schedule A of S••••••••• P••••••• L••
        Jan 5, 2022 · Control person joined · fact
      • S•••••• H•••• (Managing Director) appeared on Schedule A of S••••••••• P••••••• L••
        Jan 5, 2022 · Control person joined · fact
      • A A••••• T••••• (Member) appeared on Schedule A of S••••••••• P••••••• L••
        Mar 29, 2021 · Control person joined · fact
      • S Michael Bruno (Managing Partner) no longer on Schedule A of S••••••••• P••••••• L•• (listed 2020-04-28, absent 2021-03-29)
        Mar 29, 2021 · Control person left · inference
      • S••••••••• P••••••• L•• reported RAUM $135.5M, down 76% from $570.7M (2019-03-28 to 2020-04-28)
        Apr 28, 2020 · RAUM change · derived
      • A••••• Magyar (Chief Compliance Officer, Chief Financial Officer) no longer on Schedule A of S••••••••• P••••••• L•• (listed 2018-03-29, absent 2019-03-28)
        Mar 28, 2019 · Control person left · inference
      • W. Timothy Fulham (Chief Compliance Officer) appeared on Schedule A of S••••••••• P••••••• L••
        Mar 28, 2019 · Control person joined · fact
      Across DFX
      shared identifiers only, never a name match
      How to reach
      public business contact points only, each with its source
      Firm profile
      linkedin.com/company/stonebridge-partnersreportedpublic record, Form ADV, Sep 18, 2026
      Website
      S•••••••••PARTNERS.COMreportedpublic record, Form ADV, Sep 18, 2026
      Principal office phone
      914-682-2700reportedpublic record, Form ADV, Jun 29, 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
      n/aderivedfirm RAUM over the IAPD count; not a book size
      Loaded
      Sep 14, 2026