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.

SEC-registered adviser

Michael D. Taxman Investment Management

Independent wealth managerHanover, New HampshireCRD 126670SEC 801-130853websiteIAPD
Legal name Michael D. Taxman Investment Management,LLC
Latest filing Feb 3, 2026
First filing on the tape Jul 1, 2024 · 7 filings
SEC status approved since Aug 6, 2024
RAUM
$137M
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
100%
$137M individuals and HNW
Advisors
1
registered through the firm on IAPD
RAUM per advisor
$137M
derived; firm RAUM over IAPD count
Employees
1
1 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
0
reported on Schedule D
History
7 filings and snapshots on the tape
RAUM$137M as of Feb 3, 2026
Jan 23, 2025$117M then
HNW client RAUM$134M as of Feb 3, 2026
Jan 23, 2025$115M then
State-registered IARs (5.B.3)1 as of Feb 3, 2026
Jan 23, 20251 then
Employees (5.A)1 as of Feb 3, 2026
Jan 23, 20251 then
Private funds: no history
RAUM +18% over the last fiscal yearIARs 1 to 1
Practice profile
derived from the filing of Feb 3, 2026; every figure names its basis
Archetypes, each a printed rule
  • Solo or small team · one advisor, or a wealth manager with up to three advisors and one office
RAUM per advisor
$137MderivedRAUM over IAPD advisors; not a book size
Clients per advisor
27derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$7.9MderivedHNW RAUM over HNW clients
Average account
$1.8MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
1.0derivedItem 5.A over advisors
Advisors per office
1.0derived1 offices incl. principal (1.F.5)
RAUM growth, one year
+18%derivedbetween the last two annual amendments
Advisor growth, one year
+0.0%derivedItem 5.B.3 between annual amendments
Client growth, one year
+0.0%derived
Compensation
percentage of assetsreportedItem 5.E
Advisory activities
portfolio management for individualsreportedItem 5.G
Custody
$55.9M, 12 clientsreportedItem 9.A
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)
  • has custody of client cash or bank accounts (9.A.1.a)
  • has custody of client securities (9.A.1.b)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • High-net-worth individuals$134M97%
  • Individuals$3.6M2.6%
Individual clients
10reported
HNW clients
17reported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
76reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
$55.9M for 12 clientsreported
Compensation
% of AUMreported
Class basis
private_client_share=1.0 fund_share=0.0 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0derived
Advisors registered through the firm
1 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
Michael David TaxmanHanover, NhJun 11, 200327 y1
Advisor movement
0 left, 0 joined in 12 months
net 0 in 12 months0 left in 90 days0 joined in 90 daysdeparture rate 0.0% of current headcount0 left over 36 months
Left, latest
none on the tape
    Joined, latest
    Private funds
    No private fund reported.
    Owners and control persons
    Schedule A and B, latest filing
    • David Michael Taxman · Principal/Managing Member/Chief Compliance Officercontrol
      since 03/2003 · owns 75% or more
    Related persons
    Schedule D 7.A
    No related person reported.
    Offices
    Schedule D 1.F, the 25 largest
    No branch office listed.
    What changed
    consecutive filings, newest first
    • Accounts · 70 to 76
      Sep 9, 2025 to Feb 3, 2026
    • HNW clients · 18 to 17
      Sep 9, 2025 to Feb 3, 2026
    • Individual clients · 9 to 10
      Sep 9, 2025 to Feb 3, 2026
    • Assets in custody · $45.5M to $55.9M
      Sep 9, 2025 to Feb 3, 2026
    • Discretionary RAUM · $117M to $137M
      Sep 9, 2025 to Feb 3, 2026
    • HNW RAUM · $115M to $134M
      Sep 9, 2025 to Feb 3, 2026
    • Individual RAUM · $1.6M to $3.6M
      Sep 9, 2025 to Feb 3, 2026
    • RAUM · $117M to $137M
      Sep 9, 2025 to Feb 3, 2026
    • Accounts · 67 to 70
      Nov 4, 2024 to Jan 23, 2025
    • Individual clients · 6 to 9
      Nov 4, 2024 to Jan 23, 2025
    • Assets in custody · $45.4M to $45.5M
      Nov 4, 2024 to Jan 23, 2025
    • Financial planning clients · unset to
      Nov 4, 2024 to Jan 23, 2025
    • Discretionary RAUM · $105M to $117M
      Nov 4, 2024 to Jan 23, 2025
    • HNW RAUM · $104M to $115M
      Nov 4, 2024 to Jan 23, 2025
    • Individual RAUM · $548,555 to $1.6M
      Nov 4, 2024 to Jan 23, 2025
    • RAUM · $105M to $117M
      Nov 4, 2024 to Jan 23, 2025
    • Assets in custody · unset to 45448598.0
      Aug 14, 2024 to Nov 4, 2024
    • Custody of client assets · false to true
      Aug 14, 2024 to Nov 4, 2024
    Signals
    1 dated events
    • Michael D. Taxman Investment Management filed its initial SEC registration (Form ADV)
      Jul 1, 2024 · First SEC registration · fact
    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
    Business email
    inquiry@mdtinvest.comreportedpublished by the firm, firm site, Sep 17, 2026
    Business phone
    603-643-1415reportedpublished by the firm, firm site, Sep 17, 2026
    Website
    MDTINVEST.COMreportedpublic record, Form ADV, Sep 18, 2026
    Principal office phone
    603-643-1415reportedpublic record, Form ADV, Feb 3, 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
    Independent wealth managerderiveda rule over Items 5.D and 7.A
    RAUM per advisor
    $137Mderivedfirm RAUM over the IAPD count; not a book size
    Loaded
    Sep 14, 2026