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DLH Holdings Corp. is the issuer whose common stock is covered by amended ownership disclosures from Mink Brook Partners LP, Mink Brook Opportunity Fund LP, Mink Brook Capital GP LLC, reporting person William Mueller, and Mink Brook Asset Management LLC. Mink Brook Partners LP reports 1,988,583 shares (13.7%); Mink Brook Opportunity Fund LP reports 893,421 shares (6.2%); and Mink Brook Capital GP LLC, William Mueller, and Mink Brook Asset Management LLC each report 2,882,004 shares (19.9%).
Each reporting person reports shared voting and dispositive power and zero sole voting or dispositive power. The percentages use 14,493,035 DLH common shares outstanding as of July 29, 2026. The reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest.
Key Figures
Mink Brook Partners LP reported shares:1,988,583 sharesMink Brook Opportunity Fund LP reported shares:893,421 sharesMink Brook Capital GP LLC reported shares:2,882,004 shares+3 more
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
Shared voting powerregulatory
"Shared voting power"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
Shared dispositive powerregulatory
"Shared dispositive power"
pecuniary interestregulatory
"except to the extent of his, her or its pecuniary interest therein"
advisory clientsfinancial
"directly owned by advisory clients"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What shares does reporting person William Mueller report for DLHC?
William Mueller reports 2,882,004 shares, or 19.9%, with shared voting and dispositive power and zero sole voting or dispositive power.
What are the DLHC holdings reported by the two Mink Brook funds?
Mink Brook Partners LP reports 1,988,583 shares (13.7%), and Mink Brook Opportunity Fund LP reports 893,421 shares (6.2%).
Who directly owns the DLHC shares reported by the Mink Brook parties?
The reported securities are directly owned by advisory clients of Mink Brook Asset Management LLC. The disclosure states that no such client other than Mink Brook Partners LP and Mink Brook Opportunity Fund LP may be deemed to beneficially own more than 5% of the common stock.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 6)
DLH Holdings Corp.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
23335Q100
(CUSIP Number)
09/30/2026
(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)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
23335Q100
1
Names of Reporting Persons
Mink Brook Partners LP
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,988,583.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,988,583.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,988,583.00
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)
13.7 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 7/29/26, as disclosed in DLH Holdings Corp.'s Form 10-Q.
SCHEDULE 13G
CUSIP Number(s):
23335Q100
1
Names of Reporting Persons
Mink Brook Opportunity Fund LP
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
893,421.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
893,421.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
893,421.00
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)
6.2 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 7/29/26, as disclosed in DLH Holdings Corp.'s Form 10-Q.
SCHEDULE 13G
CUSIP Number(s):
23335Q100
1
Names of Reporting Persons
Mink Brook Capital GP 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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,882,004.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,882,004.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,882,004.00
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)
19.9 %
12
Type of Reporting Person (See Instructions)
OO
Comment for Type of Reporting Person: The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 7/29/26, as disclosed in DLH Holdings Corp.'s Form 10-Q.
SCHEDULE 13G
CUSIP Number(s):
23335Q100
1
Names of Reporting Persons
William Mueller
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 STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,882,004.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,882,004.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,882,004.00
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)
19.9 %
12
Type of Reporting Person (See Instructions)
IN, HC
Comment for Type of Reporting Person: The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 7/29/26, as disclosed in DLH Holdings Corp.'s Form 10-Q.
SCHEDULE 13G
CUSIP Number(s):
23335Q100
1
Names of Reporting Persons
Mink Brook Asset Management 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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,882,004.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,882,004.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,882,004.00
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)
19.9 %
12
Type of Reporting Person (See Instructions)
IA
Comment for Type of Reporting Person: The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 7/29/26, as disclosed in DLH Holdings Corp.'s Form 10-Q.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
DLH Holdings Corp.
(b)
Address of issuer's principal executive offices:
3565 Piedmont Road, Building 3, Suite 700, Atlanta, Georgia, 30305
Item 2.
(a)
Name of person filing:
Mink Brook Partners LP
Mink Brook Opportunity Fund LP
Mink Brook Capital GP LLC
William Mueller
Mink Brook Asset Management LLC
(b)
Address or principal business office or, if none, residence:
Mink Brook Partners LP
201 Summa Street
West Palm Beach, FL 33405
Mink Brook Opportunity Fund LP
201 Summa Street
West Palm Beach, FL 33405
Mink Brook Capital GP LLC
201 Summa Street
West Palm Beach, FL 33405
William Mueller
c/o Mink Brook Asset Management LLC
201 Summa Street
West Palm Beach, FL 33405
Mink Brook Asset Management LLC
201 Summa Street
West Palm Beach, FL 33405
(c)
Citizenship:
Mink Brook Partners LP - Delaware
Mink Brook Opportunity Fund LP - Delaware
Mink Brook Capital GP LLC - Delaware
William Mueller - United States
Mink Brook Asset Management LLC - Delaware
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
23335Q100
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:
Mink Brook Partners LP - 1,988,583
Mink Brook Opportunity Fund LP - 893,421
Mink Brook Capital GP LLC - 2,882,004
William Mueller - 2,882,004
Mink Brook Asset Management LLC - 2,882,004
(b)
Percent of class:
Mink Brook Partners LP - 13.7%
Mink Brook Opportunity Fund LP - 6.2%
Mink Brook Capital GP LLC - 19.9%
William Mueller - 19.9%
Mink Brook Asset Management LLC - 19.9%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Mink Brook Partners LP - 0
Mink Brook Opportunity Fund LP - 0
Mink Brook Capital GP LLC - 0
William Mueller - 0
Mink Brook Asset Management LLC - 0
(ii) Shared power to vote or to direct the vote:
Mink Brook Partners LP - 1,988,583
Mink Brook Opportunity Fund LP - 893,421
Mink Brook Capital GP LLC - 2,882,004
William Mueller - 2,882,004
Mink Brook Asset Management LLC - 2,882,004
(iii) Sole power to dispose or to direct the disposition of:
Mink Brook Partners LP - 0
Mink Brook Opportunity Fund LP - 0
Mink Brook Capital GP LLC - 0
William Mueller - 0
Mink Brook Asset Management LLC - 0
(iv) Shared power to dispose or to direct the disposition of:
Mink Brook Partners LP - 1,988,583
Mink Brook Opportunity Fund LP - 893,421
Mink Brook Capital GP LLC - 2,882,004
William Mueller - 2,882,004
Mink Brook Asset Management LLC - 2,882,004
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.
All of the securities reported in this Schedule 13G Amendment No. 6 are directly owned by advisory clients of Mink Brook Asset Management LLC. None of those advisory clients, other than Mink Brook Partners LP and Mink Brook Opportunity Fund LP, may be deemed to beneficially own more than 5% of the Common Stock.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
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 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.
Mink Brook Partners LP
Signature:
/s/ William Mueller
Name/Title:
William Mueller/Managing Member of its general partner, Mink Brook Capital GP LLC
Date:
10/27/2026
Mink Brook Opportunity Fund LP
Signature:
/s/ William Mueller
Name/Title:
William Mueller/Managing Member of its general partner, Mink Brook Capital GP LLC
Date:
10/27/2026
Mink Brook Capital GP LLC
Signature:
/s/ William Mueller
Name/Title:
William Mueller/Managing Member
Date:
10/27/2026
William Mueller
Signature:
/s/ William Mueller
Name/Title:
William Mueller
Date:
10/27/2026
Mink Brook Asset Management LLC
Signature:
/s/ William Mueller
Name/Title:
William Mueller/Managing Member
Date:
10/27/2026
Exhibit Information
Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative (other than an executive officer or general partner of this filing person), evidence of the representative's authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature.
Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001).
