Winthrop & Co.

Top RIAs in Maryland

Every SEC-registered RIA with a main office in Maryland, by regulatory AUM, from Form ADV

230 RIAs registered with the SEC are headquartered in Maryland, the 18th most of any state, managing $3.10T in regulatory assets as of Sep 1, 2026. The largest by regulatory AUM is T. Rowe Price Associates, Inc. in Baltimore at $2.20T. 73 firms report $1 billion or more.

230
SEC-registered RIAs
$3.10T
Regulatory AUM
73
Firms at $1B and above
$459.3M
Median firm AUM

Data as of Sep 1, 2026, file ia09012026-registered.zip. Retrieved Sep 10, 2026.

01 · The firms

Every SEC-registered RIA in Maryland, by regulatory AUM

The default sort is regulatory assets under management as each firm filed it, which puts asset managers and wealth managers on one list. The toggle for firms where individuals and high-net-worth individuals hold the majority of assets is what separates them, using the firm's own Form ADV Item 5.D figures.

All 230 firms, by regulatory AUM as filed.

#FirmCityRegulatory AUMAdvisory staffAccountsIndividual + HNW clientsRetail shareFiled
1T. Rowe Price Associates, Inc.CRD 105496Baltimore$2.20T5456,8898610%Jul 2026
2T.rowe Price Investment Management, Inc.CRD 314590Baltimore$204.2B1057200%Jul 2026
3Brown AdvisoryCRD 110181Baltimore$124.3B27226,3903,22939%Mar 2026
4Proshare Advisors LLCCRD 134155Bethesda$85.3B35145n.d.0%Mar 2026
5PNC Capital Advisors LLCCRD 151829Baltimore$50.9B2262400%Mar 2026
6Chevy Chase Trust CompanyCRD 110742Bethesda$44.9B425,0971,17728%Mar 2026
7ASB Capital Management LLCCRD 110995Bethesda$36.7B338410%Apr 2026
81919 Investment Counsel, LLCCRD 133370Baltimore$26.0B525,1694,86676%Aug 2026
9Arlington Capital PartnersCRD 160265Bethesda$18.2B315n.d.0%Mar 2026
10Durable Capital Partners LPCRD 305221Bethesda$17.6B145n.d.0%Jul 2026
11Ullico Investment Advisors, Inc.CRD 106628Bethesda$13.9B582500%Aug 2026
12JMI Management, L.P.CRD 158344Baltimore$13.6B4420n.d.0%Jun 2026
13Artemis Real Estate PartnersCRD 160668Chevy Chase$11.4B6131n.d.0%Mar 2026
14RealtermCRD 322689Annapolis$10.9B10916n.d.0%May 2026
15Brown Advisory Investment Solutions Group LLCCRD 124612Baltimore$9.8B18510n.d.7%Apr 2026
16D.F. Dent and Company, Inc.CRD 105179Baltimore$7.9B161,1711,01158%Jun 2026
17Midcap Financial Services Capital Management, LLCCRD 285820Bethesda$7.3B12212n.d.0%May 2026
18Harbor Investment Advisory, LLCCRD 151085Lutherville$6.9B303,5403,35742%Aug 2026
19T. Rowe Price (Canada), Inc.CRD 107290Baltimore$6.6B93200%Jul 2026
20Greenspring Advisors, LLCCRD 132669Towson$6.5B397,1191,69767%Jun 2026
21T. Rowe Price Advisory Services, Inc.CRD 108958Owings Mills$5.9B6613,51813,517100%Aug 2026
22Profund Advisors LLCCRD 109585Bethesda$5.2B35118n.d.0%Mar 2026
23Asset Strategy Consultants LLCCRD 110800Hunt Valley$5.2B1148142%Jun 2026
24Pennington Partners & Co., LLCCRD 282688Bethesda$5.1B101,02610290%Apr 2026
25Prosperity - AN Eisneramper CompanyCRD 133777Owings Mills$5.0B607,4732,36999%Aug 2026
26Impactassets Capital Partners PB LLCCRD 317840Bethesda$4.9B157n.d.0%Jun 2026
27G10 LLCCRD 322876Hunt Valley$4.9B14179842%Jul 2026
28Heritage Investors Management CorpCRD 110420Bethesda$4.6B81,46568287%Aug 2026
29Verdence Capital Advisors, LLCCRD 288512Hunt Valley$4.6B297,8021,79894%May 2026
30Hull Street EnergyCRD 291881Bethesda$4.6B2012n.d.0%Jun 2026
31Brown Capital Management, LLCCRD 105633Baltimore$4.5B133310%Jul 2026
32Innovation X AdvisorsCRD 322292Rockville$4.5B319n.d.0%Mar 2026
33Campbell & Company Investment Adviser LLCCRD 134332Baltimore$4.3B2811n.d.0%Mar 2026
34New Century Advisors, LLCCRD 122478Chevy Chase$4.3B104270%Mar 2026
35Founders Financial Securities, LLCCRD 137945Towson$4.1B10119,0829,59089%Apr 2026
36FCPCRD 161468Chevy Chase$3.5B2813n.d.0%May 2026
37LaSalle Investment Management SecuritiesCRD 111179Baltimore$3.3B252501%Mar 2026
38XML Financial GroupCRD 284987Bethesda$3.3B265,9872,89097%Jun 2026
39PotomacCRD 105413Bethesda$3.3B272,3851,2575%May 2026
40Abrams Bison Investments, L.L.C.CRD 137183Bethesda$3.0B63n.d.0%May 2026
41Adams Diversified Equity Fund, Inc.CRD 281263Baltimore$3.0B101n.d.0%Mar 2026
42Baltimore-Washington Financial AdvisorsCRD 159388Columbia$3.0B135,3015,27299%Mar 2026
43Greenhouse Funds LllpCRD 169840Baltimore$2.9B512n.d.0%May 2026
44Patient Capital Management, LLCCRD 307336Baltimore$2.5B4724%Mar 2026
45Rock Springs CapitalCRD 168648Baltimore$2.4B86n.d.0%Mar 2026
46FBB Capital PartnersCRD 108967Bethesda$2.4B153,1871,00499%Aug 2026
47Access Holdings Management Company LLCCRD 297197Baltimore$2.3B2327n.d.0%Mar 2026
48Cornerstone AdvisoryCRD 142359Hunt Valley$2.2B93,13580890%Mar 2026
49Enlightenment CapitalCRD 166422Chevy Chase$2.1B131600%Apr 2026
50Albion RiverCRD 322098Rockville$2.1B42n.d.0%May 2026

02 · By city

Where in Maryland the firms sit

Main-office city as filed. Up to the twenty-five cities with the most firms.

  • Bethesda50 · $280.9B
  • Baltimore36 · $2.67T
  • Hunt Valley17 · $24.4B
  • Rockville17 · $12.9B
  • Chevy Chase16 · $28.0B
  • Annapolis14 · $16.4B
  • Towson13 · $15.9B
  • Columbia8 · $6.2B
  • Frederick6 · $1.5B
  • Timonium6 · $3.8B
  • Ellicott City5 · $1.7B
  • Gaithersburg5 · $1.2B
  • Owings Mills5 · $12.3B
  • Lutherville3 · $9.2B
  • Bel Air2 · $1.3B
  • Ashton1 · $942.8M
  • Bowie1 · $466.8M
  • Cabin John1 · $407.8M
  • California1 · $657.2M
  • Chester1 · $490.8M
  • Cockeysville1 · $0
  • Dunkirk1 · $189.6M
  • Easton1 · $431.9M
  • Germantown1 · $156.2M
  • Glen Echo1 · $326.6M

03 · Questions

Questions people ask about RIAs in Maryland

How many RIAs are in Maryland?
230 RIAs registered with the SEC list a main office in Maryland in the SEC's Form ADV data as of Sep 1, 2026. That count excludes state-registered RIAs, which generally manage under $100 million and file with the state rather than the SEC, and firms whose address is suppressed on Form ADV.
What is the largest RIA in Maryland?
By regulatory assets under management as filed on Form ADV, the largest SEC-registered RIA headquartered in Maryland is T. Rowe Price Associates, Inc. in Baltimore, at $2.20T. Regulatory AUM counts all assets a firm manages, so the largest filer in a state is often an asset manager rather than a wealth manager.
How many Maryland RIAs manage more than $1 billion?
73 of the 230 SEC-registered RIAs headquartered in Maryland report regulatory assets under management of $1 billion or more. The median firm in the state reports $459.3M.
Where does this data come from?
From the SEC's monthly Form ADV data file for SEC-registered investment advisers (ia09012026-registered.zip, data as of Sep 1, 2026). Each figure is as the firm itself reported it on Form ADV Item 5; the SEC does not verify it. Every row links to the firm's record on the SEC's Investment Adviser Public Disclosure site.

Definitions and source

What each column means, in the SEC's words
Regulatory assets under management Form ADV Item 5.F(2)(c)
If yes, what is the amount of your regulatory assets under management and total number of accounts? Total, discretionary plus non-discretionary.
Total accounts Form ADV Item 5.F(2)(f)
Total number of accounts, discretionary plus non-discretionary.
Employees Form ADV Item 5.A
Approximately how many employees do you have? Include full- and part-time employees but do not include any clerical workers.
Advisory employees Form ADV Item 5.B(1)
Approximately how many of the employees reported in 5.A. perform investment advisory functions (including research)?
Broker-dealer registered representatives Form ADV Item 5.B(2)
Approximately how many of the employees reported in 5.A. are registered representatives of a broker-dealer?
Individual and high-net-worth clients Form ADV Item 5.D(a), 5.D(b)
Number of clients and amount of regulatory assets under management for individuals (other than high net worth individuals) and for high net worth individuals.
Commissions Form ADV Item 5.E(5)
You are compensated for your investment advisory services by (check all that apply): (5) Commissions.
Private funds Form ADV Item 7.B
Are you an adviser to any private fund?

Source: U.S. Securities and Exchange Commission, Form ADV data, Information About Registered Investment Advisers and Exempt Reporting Advisers, file ia09012026-registered.zip (data as of Sep 1, 2026), retrieved Sep 10, 2026. Figures are as self-reported by each firm on Form ADV Item 5; the SEC does not verify them. Neither the SEC nor the state securities authorities have approved the information filed on Form ADV, and we can not guarantee its accuracy.

Winthrop & Co. is compensated by firms when an advisor joins through us. The advisor never pays. Firms on this page are listed by arithmetic on the SEC's file, not by any relationship with us, and none is ranked, labelled or recommended.