AUMdb

Fidus Investment Advisors, Llc

SEC-registered Investment Adviser · Mid-sized ($1B–$10B) CRD 156981 · SEC file 801-72285 · Evanston, IL · www.fdus.com
☆ Save with Pro ADV data as of Mar 30, 2026
Regulatory AUM
$1.4B
Discretionary
$1.4B
Clients
3
Avg AUM / client
$481M
Accounts
3
Employees
35

AUM over time

$249M $1.4B
Mar 28, 2012 Mar 30, 2026

Reported AUM from Form ADV filings, plotted by filing date · as of Mar 30, 2026

Who they serve

Client typeClientsAUM% of AUM
Business development companies 1 $1.3B 91.8%
Pooled investment vehicles (non-investment companies) 2 $119M 8.24%

Private funds (2)

Reported in Form ADV Section 7.B.(1), filing of Jul 2024 · $73.7M combined gross assets

FundTypeDomicileGross assetsOwners
Fidus Credit Opportunities, L.P. Other Private Fund Delaware $60.4M 34
Fidus Equity Opportunities Fund, L.P. Private Equity Fund Delaware $13.3M 55

People (11)

NameRole / titleCredentialsWith firm sinceOwnership
Lauer, Thomas, Charles Manager Mar 2011 (15y) Less than 5%
Ross, Edward, Hennessy Chief Executive Officer, President, Assistant Secretary, Assistant Treasurer, Manager Mar 2011 (15y) Less than 5%
Ross, John, Joseph Chair Of Board Of Managers, Manager Mar 2011 (15y) Less than 5%
Worth, William, Andrew Assistant Secretary, Assistant Treasurer And Manager Mar 2011 (15y) Less than 5%
Grigg, John, Humphrey Manager Jan 2015 (12y) Less than 5%
Lind, Diane, Paula Chief Compliance Officer And Assistant Secretary Aug 2015 (11y) Less than 5%
Sherard, Shelby, Elizabeth Chief Financial Officer, Vice President, Treasurer And Secretary Dec 2017 (9y) Less than 5%
Styslinger, Jon, C. Manager Nov 2019 (7y) ≈ 2.5% – 12.5% via Sudif, Llc
Styslinger, Lee, J. Manager Nov 2019 (7y) ≈ 2.5% – 12.5% via Sudif, Llc
Styslinger, Mark, J. Manager Nov 2019 (7y) ≈ 2.5% – 12.5% via Sudif, Llc
Herring, John, Mcphail Chief Operating Officer, Chief Legal Officer, Vice President, Assistant Secretary, Assistant Treasurer Aug 2023 (3y) Less than 5%

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Fidus Group Holdings, Llc Member May 2015 A 75% or more
Sudif, Llc Member Jun 2022 A 10% – 25%
Sudif Ii, Llc Member Jun 2022 A 10% – 25%

Undisclosed: 0% – 5% of the firm is not attributable from the filed Schedule A bands.

Estimated effective ownership (look-through of filed bands):

  • Styslinger, Jon, C.: 25% – 50% of Sudif, Llc × 10% – 25% direct ≈ 2.5% – 12.5% of the firm
  • Styslinger, Lee, J.: 25% – 50% of Sudif, Llc × 10% – 25% direct ≈ 2.5% – 12.5% of the firm
  • Styslinger, Mark, J.: 25% – 50% of Sudif, Llc × 10% – 25% direct ≈ 2.5% – 12.5% of the firm

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 (2, $73.7M gross assets)

FundTypeGross assetsMin. investmentOwners
Fidus Credit Opportunities, L.P. Other Private Fund $60.4M $0 34
Fidus Equity Opportunities Fund, L.P. Private Equity Fund $13.3M $500K 55

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/30/2026 1.45 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
  • Performance-based fees

Services

  • Portfolio management for investment companies
  • Portfolio management for pooled investment vehicles
  • Portfolio management for businesses/institutional clients

Custody

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

No custodian data reported or mined yet.

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 30, 2026.

View current Form ADV (SEC/IAPD) ↗