[SCHEDULE 13G/A] Equillium, Inc. Amended Passive Investment Disclosure
Equillium: Aberdeen reports 7.03% passive stake
Equillium, Inc. (EQ) is the subject of an amended beneficial-ownership report by Aberdeen Group plc and abrdn Inc., each reporting 4,458,351 common shares, or 7.03% of the class.
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Equillium, Inc. (EQ) is the subject of an amended beneficial-ownership report by Aberdeen Group plc and abrdn Inc., each reporting 4,458,351 common shares, or 7.03% of the class. Both report shared voting and shared dispositive power over those shares. Aberdeen Group plc is identified as the parent, abrdn Holdings Limited as the intermediate holding company, and abrdn Inc. as beneficially owning the shares on behalf of underlying clients.
Key Figures
Beneficially owned common shares:4,458,351 sharesPercent of class:7.03%Shared voting power:4,458,351 shares+1 more
4 metrics
Beneficially owned common shares4,458,351 sharesReported by Aberdeen Group plc and abrdn Inc.
Percent of class7.03%Reported beneficial ownership
Shared voting power4,458,351 sharesReported by each reporting person
Shared dispositive power4,458,351 sharesReported by each reporting person
Key Terms
Amount beneficially owned, Shared Voting Power, Shared Dispositive Power
3 terms
Amount beneficially ownedregulatory
"Amount beneficially owned: 4,458,351"
Shared Voting Powerregulatory
"Shared Voting Power 4,458,351.00"
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 4,458,351.00"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many EQ shares do Aberdeen Group plc and abrdn Inc. report?
Aberdeen Group plc and abrdn Inc. each report 4,458,351 Equillium common shares, representing 7.03% of the class. Both report shared voting and shared dispositive power over the shares.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Equillium, Inc.
(Name of Issuer)
Common Stock, $0.0001 Par Value
(Title of Class of Securities)
29446K106
(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):
29446K106
1
Names of Reporting Persons
Aberdeen Group plc
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
0.00
6
Shared Voting Power
4,458,351.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,458,351.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,458,351.00
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)
7.03 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
29446K106
1
Names of Reporting Persons
abrdn 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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
4,458,351.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
4,458,351.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
4,458,351.00
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)
7.03 %
12
Type of Reporting Person (See Instructions)
CO, IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Equillium, Inc.
(b)
Address of issuer's principal executive offices:
2223 AVENIDA DE LA PLAYA, SUITE 105, LA JOLLA, CALIFORNIA, CALIFORNIA
92037
Item 2.
(a)
Name of person filing:
Aberdeen Group plc
abrdn Inc.
(b)
Address or principal business office or, if none, residence:
Aberdeen Group plc
1 George Street
Edinburgh, United Kingdom
EH2 2LL
abrdn inc
1900 Market Street Suite 200.
Philadelphia,
PA 19103
(c)
Citizenship:
Aberdeen Group plc - UNITED KINGDOM
abrdn Inc. - UNITED STATES
(d)
Title of class of securities:
Common Stock, $0.0001 Par Value
(e)
CUSIP No.:
29446K106
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:
4,458,351
(b)
Percent of class:
7.03 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Aberdeen Group plc - 0
abrdn Inc. - 0
(ii) Shared power to vote or to direct the vote:
Aberdeen Group plc - 4,458,351
abrdn Inc. - 4,458,351
(iii) Sole power to dispose or to direct the disposition of:
Aberdeen Group plc - 0
abrdn Inc. - 0
(iv) Shared power to dispose or to direct the disposition of:
Aberdeen Group plc - 4,458,351
abrdn Inc. - 4,458,351
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.
Not Applicable
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.
See Exhibit
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.
Aberdeen Group plc
Signature:
J. Clarke
Name/Title:
Jenny Clarke / Major Shareholding Reporting Analyst
Date:
10/21/2026
abrdn Inc.
Signature:
J. Clarke
Name/Title:
Jenny Clarke / Major Shareholding Reporting Analyst
Date:
10/21/2026
Exhibit Information
Aberdeen Group plc
abrdn Holdings Limited
abrdn Inc.
Aberdeen Group plc is the parent company.
abrdn Holdings Limited is the intermediate holding company for abrdn Inc.
abrdn Inc. beneficially owns on behalf of our underlying clients 5% or greater of the outstanding shares of the security class being reported on this Schedule 13G.
