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.

Former SEC-registered adviser

Ark Financial Management, LLC

Former SEC-registered adviserHerndon, VirginiaCRD 174038SEC 801-80879IAPD
Latest filing Jan 11, 2018
First filing on the tape Jan 13, 2015 · 13 filings
RAUM
$48.0M
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
100%
$48.0M individuals and HNW
Advisors
2
registered through the firm on IAPD
RAUM per advisor
$24.0M
derived; firm RAUM over IAPD count
Employees
5
4 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
0
reported on Schedule D
History
13 filings and snapshots on the tape
RAUM$50.8M as of Mar 27, 2017
Mar 18, 2016$67.0M then
HNW client RAUM: no history
State-registered IARs (5.B.3)4 as of Mar 27, 2017
Mar 18, 20164 then
Employees (5.A)5 as of Mar 27, 2017
Mar 18, 20164 then
Private funds: no history
RAUM -28% over the last fiscal yearIARs 4 to 4
Practice profile
derived from the filing of Jan 11, 2018; every figure names its basis
RAUM per advisor
$24.0MderivedRAUM over IAPD advisors; not a book size
Clients per advisor
87derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$882,380derivedHNW RAUM over HNW clients
Average account
$186,183derivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
2.5derivedItem 5.A over advisors
Advisors per office
2.0derived1 offices incl. principal (1.F.5)
RAUM growth, one year
-24%derivedbetween the last two annual amendments
Advisor growth, one year
+0.0%derivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assetsreportedItem 5.E
Advisory activities
portfolio management for individualsreportedItem 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)
  • 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
  • High-net-worth individuals$25.6M53%
  • Individuals$22.4M47%
Individual clients
144reported
HNW clients
29reported
Pension plan clients
0reported
Charitable clients
0reported
Accounts
258reported
Financial planning clients
n/areported
Wrap fee programs
noreported
Custody of client assets
noreported
Compensation
% of AUMreported
Class basis
absent from the latest SEC rosterderived
Advisors registered through the firm
2 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
Robert Andrew WiedemerReston, VaJan 27, 201722 y2
Cindy Sharon SpitzerReston, VaJan 27, 201733 y2
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
    Private funds
    No private fund reported.
    Owners and control persons
    Schedule A and B, latest filing
    • David John Wiedemer · Managing Membercontrol
      since 12/2014 · owns 25% to 50%
    • Andrew Robert Wiedemer · Managing Member And Chief Compliance Officercontrol
      since 12/2014 · owns 50% to 75%
    Related persons
    Schedule D 7.A
    • Ark Partners Fund, LLC
      investment adviserpooled vehicle sponsorn
    • Ark Strategic Investment Partners, LLC
      investment adviserpooled vehicle sponsorn
    Office movement
    IAPD branch city; joins and departures in 12 months
    OfficeAdvisorsJoinedLeftTeams outForming
    Reston, Va200
    Offices
    Schedule D 1.F, the 25 largest
    No branch office listed.
    What changed
    consecutive filings, newest first
    • Accounts · 257 to 258
      Sep 28, 2017 to Oct 17, 2017
    • Charity clients · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • Corporate clients · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • HNW clients · unset to 29.0
      Sep 28, 2017 to Oct 17, 2017
    • Individual clients · unset to 144.0
      Sep 28, 2017 to Oct 17, 2017
    • Pension plan clients · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • Pooled vehicle clients · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • Other offices · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • Discretionary RAUM · $50.8M to $48.0M
      Sep 28, 2017 to Oct 17, 2017
    • HNW RAUM · unset to 25589015.0
      Sep 28, 2017 to Oct 17, 2017
    • Individual RAUM · unset to 22446272.0
      Sep 28, 2017 to Oct 17, 2017
    • Pension RAUM · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • Pooled vehicle RAUM · unset to 0.0
      Sep 28, 2017 to Oct 17, 2017
    • RAUM · $50.8M to $48.0M
      Sep 28, 2017 to Oct 17, 2017
    • Accounts · 316 to 257
      Jan 11, 2017 to Mar 27, 2017
    • Employees · 4 to 5
      Jan 11, 2017 to Mar 27, 2017
    • Discretionary RAUM · $67.0M to $50.8M
      Jan 11, 2017 to Mar 27, 2017
    • RAUM · $67.0M to $50.8M
      Jan 11, 2017 to Mar 27, 2017
    • Accounts · 0 to 316
      May 19, 2015 to Mar 18, 2016
    • Advisory employees · 3 to 4
      May 19, 2015 to Mar 18, 2016
    • Employees · 3 to 4
      May 19, 2015 to Mar 18, 2016
    • Financial planning clients · 0 to unset
      May 19, 2015 to Mar 18, 2016
    • State-registered IARs · 2 to 4
      May 19, 2015 to Mar 18, 2016
    • Discretionary RAUM · $0 to $67.0M
      May 19, 2015 to Mar 18, 2016
    • RAUM · $0 to $67.0M
      May 19, 2015 to Mar 18, 2016
    • Business name · ARK INVESTMENT MANAGEMENT, LLC to ARK FINANCIAL MANAGEMENT, LLC
      Jan 13, 2015 to May 19, 2015
    • Legal name · ARK INVESTMENT MANAGEMENT, LLC to ARK FINANCIAL MANAGEMENT, LLC
      Jan 13, 2015 to May 19, 2015
    Signals
    1 dated events
    • Ark Investment Management, Llc filed its initial SEC registration (Form ADV)
      Jan 13, 2015 · 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
    Website
    bullbearinvestmentmanagement.comreportedpublic record, Form ADV, Sep 17, 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
    Former SEC-registered adviserderiveda rule over Items 5.D and 7.A
    RAUM per advisor
    $24.0Mderivedfirm RAUM over the IAPD count; not a book size
    Loaded
    Sep 14, 2026