AUMdb

Nierenberg Investment Management Company, Llc

SEC-registered Private Fund Manager · Small ($100M–$1B) CRD 155416 · SEC file 801-74080 · · www.d3familyfunds.com
☆ Save with Pro ADV data as of Mar 13, 2026
Regulatory AUM
$235M
Discretionary
$235M
Clients
4
Avg AUM / client
$58.9M
Accounts
4
Employees
3

AUM over time

$102M $332M
Dec 2011 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 13, 2026

Who they serve

Client typeClientsAUM% of AUM
Pooled investment vehicles (non-investment companies) 3 $231M 98.1%
Corporations and other businesses 1 $4.5M 1.9%

Private funds (3)

Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $169M combined gross assets

FundTypeDomicileGross assetsOwners
The D3 Family Bulldog Fund, L.P. Hedge Fund Washington $83.4M 65
The D3 Family Fund, L.P. Hedge Fund Washington $47.8M 38
Benedict Value Fund, L.P. Hedge Fund Delaware $38.0M 32

People (4)

NameRole / titleCredentialsWith firm sinceOwnership
Nierenberg, David President Apr 1995 (31y) 75% or more
Nierenberg, Patricia, Ann Secretary/Treasurer Apr 1995 (31y) Less than 5%
Benedict, Damon, Laughlin Vice President May 2014 (12y) Less than 5%
Bauer Kuehl, Hannelore, Nmn Chief Compliance Officer And Chief Financial Officer Aug 2015 (11y) Less than 5%

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (3, $169M gross assets)

FundTypeGross assetsMin. investmentOwners
The D3 Family Bulldog Fund, L.P. Hedge Fund $83.4M $500K 65
The D3 Family Fund, L.P. Hedge Fund $47.8M $500K 38
Benedict Value Fund, L.P. Hedge Fund $38.0M $250K 32

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/13/2026 1.53 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Percentage of assets under management
  • Other fees
  • PERFORMANCE-BASED ALLOCATIONS

Services

  • Portfolio management for individuals/small businesses
  • Portfolio management for pooled investment vehicles

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports having custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 13, 2026.

View current Form ADV (SEC/IAPD) ↗