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

Nierenberg Investment Management Company, LLC

Asset manager (funds and pooled vehicles)CRD 155416SEC 801-74080websiteIAPD
Latest filing Mar 13, 2026
First filing on the tape Feb 14, 2012 · 24 filings
SEC status approved since Mar 30, 2012
RAUM
$235M
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
3
2 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
3
reported on Schedule D
History
24 filings and snapshots on the tape
RAUM$235M as of Mar 13, 2026
Mar 28, 2013$324M then
HNW client RAUM: no history
State-registered IARs (5.B.3)0 as of Mar 13, 2026
Mar 28, 20130 then
Employees (5.A)3 as of Mar 13, 2026
Mar 28, 20136 then
Private funds3 as of Mar 13, 2026
Mar 28, 20134 then
RAUM +15% over the last fiscal year+19% a year over threeIARs 0 to 0
Practice profile
derived from the filing of Mar 13, 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
$58.9MderivedRAUM 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
+15%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, otherreportedItem 5.E
Advisory activities
portfolio management for individuals, portfolio management for pooled vehiclesreportedItem 5.G
Custody
$231M, 3 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)
  • compensates persons for client referrals (8.G.1)
  • compensates non-employees for client referrals (8.G.2)
  • has custody of client cash or bank accounts (9.A.1.a)
  • has custody of client securities (9.A.1.b)
  • marketing includes testimonials (5.L.1.c)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$231M98%
  • Corporations and businesses$4.5M1.9%
Individual clients
n/areported
HNW clients
n/areported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
4reported
Financial planning clients
1-10reported
Wrap fee programs
noreported
Custody of client assets
$231M for 3 clientsreported
Compensation
% of AUMreported
Class basis
private_client_share=0.0 fund_share=0.98 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
      5 reported on Schedule D 7.B.(1)
      FundTypeGross assetsOwnersFirst reported
      The D3 Family Bulldog Fund, L.P.Hedge Fund$83.4M65Feb 14, 2012
      The D3 Family Fund, L.P.Hedge Fund$47.8M38Feb 14, 2012
      Benedict Value Fund, L.P.Hedge Fund$38.0M32Mar 27, 2018
      The Diii Offshore Fund, L.P.no longer reportedHedge Fund$3.9M5Feb 14, 2012
      The D3 Family Canadian Fund, L.P.no longer reportedHedge Fund$80,5805Feb 14, 2012
      Owners and control persons
      Schedule A and B, latest filing
      • Nmn Hannelore Bauer-Kuehl · Chief Compliance Officer And Chief Financial Officercontrol
        since 08/2015 · owns less than 5%
      • Laughlin Damon Benedict · Vice Presidentcontrol
        since 05/2014 · owns less than 5%
      • David Nierenberg · Presidentcontrol
        since 04/1995 · owns 75% or more
      • Ann Patricia Nierenberg · Secretary/Treasurercontrol
        since 04/1995 · owns less than 5%
      Related persons
      Schedule D 7.A
      No related person reported.
      Offices
      Schedule D 1.F, the 25 largest
      No branch office listed.
      ADV anomalies
      1 against comparable advisers; where to look, not conclusions
      • affiliate changedChange between filings · filing Mar 13, 2026
        bank affiliate (Item 7.A.6): yes on the filing of 2026-02-02, no on the filing of 2026-03-13
        peers: asset managers, $100M to $500M (1,567)
      What changed
      consecutive filings, newest first
      • Advisory employees · 3 to 2
        Feb 2, 2026 to Mar 13, 2026
      • Assets in custody · $198M to $231M
        Feb 2, 2026 to Mar 13, 2026
      • Employees · 5 to 3
        Feb 2, 2026 to Mar 13, 2026
      • Discretionary RAUM · $204M to $235M
        Feb 2, 2026 to Mar 13, 2026
      • Pooled vehicle RAUM · $198M to $231M
        Feb 2, 2026 to Mar 13, 2026
      • RAUM · $204M to $235M
        Feb 2, 2026 to Mar 13, 2026
      • Related bank · true to false
        Feb 2, 2026 to Mar 13, 2026
      • Succession · true to false
        Jan 7, 2026 to Feb 2, 2026
      • Business name · NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. to NIERENBERG INVESTMENT MANAGEMENT COMPANY, LLC
        Mar 11, 2025 to Jan 7, 2026
      • Legal name · NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. to NIERENBERG INVESTMENT MANAGEMENT COMPANY, LLC
        Mar 11, 2025 to Jan 7, 2026
      • Organization form · Corporation to Limited Liability Company
        Mar 11, 2025 to Jan 7, 2026
      • Succession · false to true
        Mar 11, 2025 to Jan 7, 2026
      • Assets in custody · $169M to $198M
        Mar 18, 2024 to Mar 11, 2025
      • Financial planning clients · 1-10 to 1-10
        Mar 18, 2024 to Mar 11, 2025
      • HQ city · unset to
        Mar 18, 2024 to Mar 11, 2025
      • HQ state · unset to
        Mar 18, 2024 to Mar 11, 2025
      • Discretionary RAUM · $174M to $204M
        Mar 18, 2024 to Mar 11, 2025
      • Pooled vehicle RAUM · $169M to $198M
        Mar 18, 2024 to Mar 11, 2025
      • RAUM · $174M to $204M
        Mar 18, 2024 to Mar 11, 2025
      • Corporate clients · unset to 1.0
        Jun 7, 2023 to Mar 18, 2024
      • Assets in custody · $134M to $169M
        Jun 7, 2023 to Mar 18, 2024
      • Discretionary RAUM · $138M to $174M
        Jun 7, 2023 to Mar 18, 2024
      • Pooled vehicle RAUM · $134M to $169M
        Jun 7, 2023 to Mar 18, 2024
      • RAUM · $138M to $174M
        Jun 7, 2023 to Mar 18, 2024
      • Assets in custody · $141M to $134M
        Mar 22, 2022 to Mar 28, 2023
      • Discretionary RAUM · $145M to $138M
        Mar 22, 2022 to Mar 28, 2023
      • Pooled vehicle RAUM · $141M to $134M
        Mar 22, 2022 to Mar 28, 2023
      • RAUM · $145M to $138M
        Mar 22, 2022 to Mar 28, 2023
      • Assets in custody · $124M to $141M
        Mar 22, 2021 to Mar 22, 2022
      • Discretionary RAUM · $127M to $145M
        Mar 22, 2021 to Mar 22, 2022
      • Pooled vehicle RAUM · $124M to $141M
        Mar 22, 2021 to Mar 22, 2022
      • RAUM · $127M to $145M
        Mar 22, 2021 to Mar 22, 2022
      • Advisory employees · 2 to 3
        Mar 23, 2020 to Mar 22, 2021
      • Assets in custody · $100M to $124M
        Mar 23, 2020 to Mar 22, 2021
      • Employees · 4 to 5
        Mar 23, 2020 to Mar 22, 2021
      • Financial planning clients · unset to 1-10
        Mar 23, 2020 to Mar 22, 2021
      • Discretionary RAUM · $102M to $127M
        Mar 23, 2020 to Mar 22, 2021
      • Pooled vehicle RAUM · $100M to $124M
        Mar 23, 2020 to Mar 22, 2021
      • RAUM · $102M to $127M
        Mar 23, 2020 to Mar 22, 2021
      • Advisory activities · 1 to 2
        Mar 15, 2019 to Mar 23, 2020
      Signals
      1 dated events
      • Nierenberg Investment Management Company, Llc reported succeeding to the business of Nierenberg Investment Management Company, Inc. (Form ADV Item 4)
        Jan 7, 2026 · Succession (Item 4) · 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
      Firm profile
      linkedin.com/company/nierenberg-investment-management-companreportedpublic record, Form ADV, Sep 17, 2026
      Website
      d3familyfunds.comreportedpublic record, Form ADV, Sep 17, 2026
      Principal office phone
      360-604-8600reportedpublic record, Form ADV, Mar 13, 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