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

W••••••• S••••• C••••••• L•••

Asset manager (funds and pooled vehicles)Boston, MassachusettsCRD 321630SEC 801-125848websiteIAPD
Latest filing Feb 24, 2026
First filing on the tape May 11, 2022 · 7 filings
SEC status approved since Jun 9, 2022
RAUM
$167M
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
4 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
3
reported on Schedule D
History
7 filings and snapshots on the tape
RAUM$167M as of Feb 24, 2026
Mar 29, 2023$66.7M then
HNW client RAUM: no history
State-registered IARs (5.B.3)0 as of Feb 24, 2026
Mar 29, 20230 then
Employees (5.A)4 as of Feb 24, 2026
Mar 29, 20234 then
Private funds3 as of Feb 24, 2026
Mar 29, 20233 then
RAUM +1.0% over the last fiscal year+36% a year over threeIARs 0 to 0
Practice profile
derived from the filing of Feb 24, 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
$55.6MderivedRAUM 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
+1.0%derivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assets, performance-basedreportedItem 5.E
Advisory activities
portfolio management for pooled vehiclesreportedItem 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
  • 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)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$167M100%
Individual clients
n/areported
HNW clients
n/areported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
3reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
noreported
Compensation
% of AUM, 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
      3 reported on Schedule D 7.B.(1)
      FundTypeGross assetsOwnersFirst reported
      W•• M••••••• I••••••••• F••• I• L•••Venture Capital Fund$44.6M18May 11, 2022
      W•• M••••••• I••••••••• F••• I•• L•••Venture Capital Fund$9.4M6May 11, 2022
      W•• L•• V•••••••• L•Venture Capital Fund$2.3M1Mar 29, 2023
      Owners and control persons
      Schedule A and B, latest filing
      • B•••••• D•••• B•••••• · Chief Compliance Officer, Limited Partner, And Managing Directorcontrol
        since 07/2019 · owns 25% to 50%
      • L•••••••• A••••••• J••• · Managing Director And Limited Partnercontrol
        since 07/2019 · owns 25% to 50%
      • L••••• L••••• H•••• · Managing Director And Limited Partnercontrol
        since 07/2019 · owns 25% to 50%
      • B•••••• D•••• B•••••• · Membercontrol
        since 06/2017 · owns 25% to 50% of W••••••• S••••• C••••••• L•••••
      • L•••••••• A••••••• J••• · Membercontrol
        since 06/2017 · owns 25% to 50% of W••••••• S••••• C••••••• L•••••
      • L••••• L••••• H•••• · Membercontrol
        since 06/2017 · owns 25% to 50% of W••••••• S••••• C••••••• L•••••
      Entity owners
      • W••••••• S••••• C••••••• L••••• · General Partner
        direct · owns less than 5%
      Related persons
      Schedule D 7.A
      Offices
      Schedule D 1.F, the 25 largest
      No branch office listed.
      What changed
      consecutive filings, newest first
      • Discretionary RAUM · $165M to $167M
        Mar 20, 2025 to Feb 24, 2026
      • Pooled vehicle RAUM · $165M to $167M
        Mar 20, 2025 to Feb 24, 2026
      • RAUM · $165M to $167M
        Mar 20, 2025 to Feb 24, 2026
      • Financial planning clients · unset to
        Mar 22, 2024 to Mar 20, 2025
      • Discretionary RAUM · $173M to $165M
        Mar 22, 2024 to Mar 20, 2025
      • Pooled vehicle RAUM · $173M to $165M
        Mar 22, 2024 to Mar 20, 2025
      • RAUM · $173M to $165M
        Mar 22, 2024 to Mar 20, 2025
      • Discretionary RAUM · $173M to $173M
        Sep 12, 2023 to Mar 22, 2024
      • Pooled vehicle RAUM · $173M to $173M
        Sep 12, 2023 to Mar 22, 2024
      • RAUM · $173M to $173M
        Sep 12, 2023 to Mar 22, 2024
      • Discretionary RAUM · $66.7M to $173M
        Jun 30, 2023 to Sep 12, 2023
      • Pooled vehicle RAUM · $66.7M to $173M
        Jun 30, 2023 to Sep 12, 2023
      • RAUM · $66.7M to $173M
        Jun 30, 2023 to Sep 12, 2023
      • Accounts · 2 to 3
        May 11, 2022 to Mar 29, 2023
      • Advisory employees · 3 to 4
        May 11, 2022 to Mar 29, 2023
      • Pooled vehicle clients · 2 to 3
        May 11, 2022 to Mar 29, 2023
      • Employees · 3 to 4
        May 11, 2022 to Mar 29, 2023
      • Private funds · 2 to 3
        May 11, 2022 to Mar 29, 2023
      • Discretionary RAUM · $56.1M to $66.7M
        May 11, 2022 to Mar 29, 2023
      • Pooled vehicle RAUM · $56.1M to $66.7M
        May 11, 2022 to Mar 29, 2023
      • RAUM · $56.1M to $66.7M
        May 11, 2022 to Mar 29, 2023
      Signals
      2 dated events
      • W••••••• S••••• C••••••• L••• reported RAUM $172.8M, up 159% from $66.7M (2023-06-30 to 2023-09-12)
        Sep 12, 2023 · RAUM change · derived
      • W••••••• S••••• C••••••• L••• filed its initial SEC registration (Form ADV)
        May 11, 2022 · First SEC registration · 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/winthropsquarecapitalreportedpublic record, Form ADV, Sep 18, 2026
      Website
      w•••••••••.comreportedpublic record, Form ADV, Sep 18, 2026
      Principal office phone
      617-340-7670reportedpublic record, Form ADV, Feb 24, 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