SourcingSourcing

ADVISORY RESEARCH INC

B53
CRD 108254·SEC 801-14172·CHICAGO, IL
AUM
$991.3M
$500M-$1B
Est. Revenue
$9.9M
@ 1% on AUM
Est. EBITDA
$3.0M
@ 30% margin
Est. Deal Value
$23.8M
@ 8× EBITDA

Identity

Registrations & legal identity

Legal name
ADVISORY RESEARCH INC
CRD
108254
SEC file #
801-14172
EIN
208075599
DBA names
—

Economics

AUM
$991.3M
AUM band
$500M-$1B
AUM trajectory
'20'26
$2.50B → $991.3M▼ -60%
Client mix
Individuals Other275
Individuals High Net Worth130
Corporations18
Charitable Organizations14
Pooled Investment Vehicles3

Operations

Employees (total)
14
Advisory staff (per ADV)
8
Advisory staff (5-yr trend)
'20'26
16 advisors → 8 advisors▼ -50%
Primary office
CHICAGO IL
Branches
—

Custodian & Brokerage

Primary custodian
Charles Schwablow confidence
Services offered
Portfolio mgmt — individualsPortfolio mgmt — investment companiesPortfolio mgmt — pooled vehiclesPortfolio mgmt — businesses
Fee basis
% of AUMPerformance-based fees

Filings

Latest ADV filing
03/20/2026
ADV-W filed at
—
Website
advisoryresearch.com

Compliance

Disclosures (firm)
0
Trademark
—
Additional signalsExpand ▾

Ownership & succession ★

Who controls the firm + pre-computed succession flags

Top Owner Name
OSTARA HOLDCO, INC.
Top Owner Pct
87.5
Top Owner Entity Kind
DE
Owner Count
3
Control Persons
OSTARA HOLDCO, INC.
SWAIM, MATTHEW, KENT
Solo Advisor Indicator
No
Succession Risk Solo Owner
No
Is Parent Owned Subsidiary
Yes

Availability / M&A ★

Already-acquired = skip; deal comps

Adv W Filed
No

Web presence ★

Stale website = winding down

Web Signal Quality
ok
Rdap Domain
ADVISORYRESEARCH.COM
Rdap Domain Creation Date
1997-04-28T04:00:00Z
Rdap Firm Age Years
29
Rdap Firm Age Band
20+y
Rdap Registrar
GoDaddy.com, LLC

Retirement-plan book (Form 5500) ★

401(k)/plan business — cross-sell value

Retirement Plan Book
Yes
Form 5500 Plan Count
5
Form 5500 Total Participants
556
Form 5500 Total Compensation
233,191
Form 5500 Compensation Trajectory 3y
2025233,191
20240
Form 5500 Plan Count Trajectory 3y
20253
20242
Schedule C Total Compensation
233,191
Schedule C Service Provider Rows
5

SEC EDGAR

Edgar Cik
0001537720
Edgar Registered
Yes
Edgar Filing Count
64
Edgar First Filing Date
2012-02-15
Edgar Last Filing Date
2026-02-12
Edgar 13f Count
62
Edgar 13f Latest AUM Estimate
Filing Date2026-02-12
Accession0001537720-26-000002

Compliance & brand

Firm Registration Status
active

All other collected signals (16)

Everything else we've pulled for this record, not yet curated into a section.

Adv W Recently Filed
No
Bc Firm Active Bc Count
0
Bc Firm Active IA Count
7
Bc Firm IAR Count
7
Custodian Candidates
Full
Charles Schwab6
Pershing6
Wells Fargo5
Morgan Stanley4
E*trade4
Edgar Addresses
Mailing
8695 COLLEGE PKWYSTE 100FORT MYERS, FL 33919
Business
8695 COLLEGE PKWYSTE 100FORT MYERS, FL 33919
Edgar EIN
208075599
Edgar Recent Filings
13F-HR2026-02-12 · 0001537720-26-000002
13F-HR2025-11-12 · 0001537720-25-000015
Firm Has Custody
Yes
Mailing Office Differs
No
Rdap Domain Expiration Date
2028-04-29T04:00:00Z
Rdap Domain Last Changed
2023-05-04T14:38:44Z
Rdap Nameservers
Ns29.domaincontrol.comNs30.domaincontrol.com
Rdap Secure Dns Enabled
No
Rdap Status
Client Delete ProhibitedClient Renew ProhibitedClient Transfer ProhibitedClient Update Prohibited
Trust Company Affiliate
No

People (7)

7
ZESSAR, BRUCE, MICHAEL
IAR · Executive Officer · 2.5%
4843114
SWAIM, MATTHEW, KENT
IAR · Executive Officer · 2.5%
6897938
CHRISTOPHER ROBERT HARVEY
IAR
4283983
ADAM D STEFFANUS
IAR
4999907
MICHAEL JAMES VALENTINAS
IAR
4503068
CHRISTOPHER DYSON CRAWSHAW
IAR
2951553
William Louis Florida
IAR
7062943