Brown Advisory Inc. reports beneficial ownership of 2,946,522 shares, equal to 23.29% of Andersen Group Inc. Class A common stock as of 02/28/2026.
The filing is submitted by Brown Advisory Inc. as a parent holding company on behalf of its subsidiaries, which include Brown Advisory LLC, Brown Investment Advisory & Trust Co., Signature Financial Management, Inc., and Brown Advisory Ltd. Examples include Brown Advisory LLC 2,925,137 and Brown Advisory Inc. 2,946,522.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 2)
Andersen Group Inc.
(Name of Issuer)
Class A common stock, par value $0.0001 per share
(Title of Class of Securities)
02/28/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
SCHEDULE 13G
CUSIP Number(s):
1
Names of Reporting Persons
BROWN ADVISORY INC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MARYLAND
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
2,216,529.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,946,522.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,946,522.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
23.29 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
1
Names of Reporting Persons
BROWN INVESTMENT ADVISORY & TRUST CO
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MARYLAND
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
12,694.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
12,694.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
12,694.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.1 %
12
Type of Reporting Person (See Instructions)
BK
SCHEDULE 13G
CUSIP Number(s):
1
Names of Reporting Persons
BROWN ADVISORY LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MARYLAND
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
2,195,144.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,925,137.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,925,137.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
23.12 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP Number(s):
1
Names of Reporting Persons
SIGNATURE FINANCIAL MANAGEMENT, INC.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
VIRGINIA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,112.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,112.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,112.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.01 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP Number(s):
1
Names of Reporting Persons
BROWN ADVISORY LTD
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED KINGDOM
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
7,579.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
7,579.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
7,579.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.06 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Andersen Group Inc.
(b)
Address of issuer's principal executive offices:
333 BUSH ST STE 1700, SAN FRANCISCO, CALIFORNIA
94104
Item 2.
(a)
Name of person filing:
BROWN ADVISORY INC
BROWN INVESTMENT ADVISORY & TRUST CO
BROWN ADVISORY LLC
SIGNATURE FINANCIAL MANAGEMENT, INC.
BROWN ADVISORY LTD
(b)
Address or principal business office or, if none, residence:
901 SOUTH BOND STREET
SUITE #400
Baltimore, Maryland
21231
(c)
Citizenship:
BROWN ADVISORY INC - MARYLAND
BROWN INVESTMENT ADVISORY & TRUST CO - MARYLAND
BROWN ADVISORY LLC - MARYLAND
SIGNATURE FINANCIAL MANAGEMENT, INC. - VIRGINIA
BROWN ADVISORY LTD - UNITED KINGDOM
(d)
Title of class of securities:
Class A common stock, par value $0.0001 per share
(e)
CUSIP No.:
033853102
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
2946522
(b)
Percent of class:
23.29 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
BROWN ADVISORY INC - 2,216,529
BROWN INVESTMENT ADVISORY & TRUST CO - 12,694
BROWN ADVISORY LLC - 2,195,144
SIGNATURE FINANCIAL MANAGEMENT, INC. - 1,112
BROWN ADVISORY LTD - 7,579
(ii) Shared power to vote or to direct the vote:
BROWN ADVISORY INC - 0
BROWN INVESTMENT ADVISORY & TRUST CO - 0
BROWN ADVISORY LLC - 0
SIGNATURE FINANCIAL MANAGEMENT, INC. - 0
BROWN ADVISORY LTD - 0
(iii) Sole power to dispose or to direct the disposition of:
BROWN ADVISORY INC - 0
BROWN INVESTMENT ADVISORY & TRUST CO - 0
BROWN ADVISORY LLC - 0
SIGNATURE FINANCIAL MANAGEMENT, INC. - 0
BROWN ADVISORY LTD - 0
(iv) Shared power to dispose or to direct the disposition of:
BROWN ADVISORY INC - 2,946,522
BROWN INVESTMENT ADVISORY & TRUST CO - 12,694
BROWN ADVISORY LLC - 2,925,137
SIGNATURE FINANCIAL MANAGEMENT, INC. - 1,112
BROWN ADVISORY LTD - 7,579
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
The total securities being reported are beneficially owned by investment companies and other managed accounts of direct/indirect subsidiaries of BROWN ADVISORY INC (listed above). These subsidiaries may be deemed to be beneficial owners of the reported securities because applicable investment advisory contracts provide voting and/or investment power over securities.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
BROWN ADVISORY INC is a parent holding company filing this schedule on behalf of the following subsidiaries pursuant to Rule 13d-1(b)(1)(ii)(G) under the Securities Exchange Act of 1934:
BROWN INVESTMENT ADVISORY & TRUST CO - BK (Bank)
BROWN ADVISORY LLC - IA (Investment Adviser)
SIGNATURE FINANCIAL MANAGEMENT, INC. - IA (Investment Adviser)
BROWN ADVISORY LTD - IA (Investment Adviser)
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
What stake does Brown Advisory hold in Andersen Group (ANDG)?
Brown Advisory beneficially owns 2,946,522 shares (23.29%). The Schedule 13G/A lists this amount and percentage for Class A common stock as of 02/28/2026.
Which Brown Advisory entities are listed as beneficial owners of ANDG?
Listed entities include Brown Advisory Inc., Brown Advisory LLC, Brown Investment Advisory & Trust Co., Signature Financial Management, and Brown Advisory Ltd. The filing states these subsidiaries hold accounts managed by Brown Advisory.
How were voting and dispositive powers reported for the holding?
Brown Advisory Inc. reports 2,216,529 shares of sole voting power and 2,946,522 shares of shared dispositive power. The filing breaks out sole voting and shared dispositive figures by entity.
Did Brown Advisory file on behalf of subsidiaries for ANDG?
Yes. Brown Advisory Inc. filed as a parent holding company on behalf of specified subsidiaries. The schedule identifies subsidiary classifications and the parent/subsidiary relationship in Item 7.
What address is shown for Andersen Group Inc. in the filing?
Andersen Group Inc.'s principal executive office is 333 Bush St Ste 1700, San Francisco, CA 94104. This address appears in Item 1(b) of the Schedule 13G/A.
