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SBI Digital Asset Holdings Co., Ltd. reports beneficial ownership of 15,308,819 Class A Common Shares of OBOOK HOLDINGS INC., equal to 40.5% of the class. The shares are held by SBI Digital Strategic Investment Co., Ltd., a wholly owned subsidiary of SBI Digital Asset Holdings; SBI Digital Asset Holdings is a wholly owned subsidiary of SBI Holdings, Inc. SBI Digital Asset Holdings reports sole voting and dispositive power over 15,308,819 shares, with zero shared voting or dispositive power. The percentage is based on 37,825,411 Class A Common Shares outstanding as of May 14, 2026. SBI Digital Strategic Investment acquired the shares before OBOOK HOLDINGS INC.'s listing and beneficially owned more than 5% when the issuer's securities became registered.
Key Figures
Beneficial ownership:15,308,819 Class A Common SharesOwnership of class:40.5%Class A Common Shares outstanding:37,825,411 shares+4 more
7 metrics
Beneficial ownership15,308,819 Class A Common SharesSBI Digital Asset Holdings
Ownership of class40.5%Based on Class A Common Shares outstanding as of May 14, 2026
Class A Common Shares outstanding37,825,411 sharesAs of May 14, 2026
Sole voting power15,308,819 sharesSBI Digital Asset Holdings
Sole dispositive power15,308,819 sharesSBI Digital Asset Holdings
Shared voting power0 sharesSBI Digital Asset Holdings
Shared dispositive power0 sharesSBI Digital Asset Holdings
Key Terms
beneficially owned, Sole Voting Power, Sole Dispositive Power
3 terms
beneficially ownedtechnical
"Amount beneficially owned: 15,308,819 shares"
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.
Sole Voting Powertechnical
"Sole Voting Power 15,308,819.00"
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
Sole Dispositive Powertechnical
"Sole Dispositive Power 15,308,819.00"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many OWLS shares does SBI Digital Asset Holdings beneficially own?
SBI Digital Asset Holdings reports beneficial ownership of 15,308,819 Class A Common Shares, equal to 40.5% of the class. The shares are held by its wholly owned subsidiary, SBI Digital Strategic Investment Co., Ltd.
What share count is SBI Digital Asset Holdings' 40.5% OWLS stake based on?
The 40.5% figure is based on 37,825,411 Class A Common Shares outstanding as of May 14, 2026.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
OBOOK HOLDINGS, INC.
(Name of Issuer)
Class A Common Shares, par value $0.001 per share
(Title of Class of Securities)
G67187107
(CUSIP Number)
10/16/2025
(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):
G67187107
1
Names of Reporting Persons
SBI Digital Asset Holdings Co., 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
JAPAN
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,308,819.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,308,819.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
15,308,819.00
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)
40.5 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: Based on 37,825,411 Class A Common Shares of OBOOK HOLDINGS, INC. (the "Issuer") outstanding as of May 14, 2026, as reported in the Issuer's Registration Statement on Form F-1 filed with the Securities and Exchange Commission (the "Commission") on May 14, 2026.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
OBOOK HOLDINGS, INC.
(b)
Address of issuer's principal executive offices:
9F., NO. 28, WENCHENG RD., BEITOU DIST., TAIPEI CITY 112, TAIWAN, REPUBLIC OF CHINA
Item 2.
(a)
Name of person filing:
This Schedule 13G is being filed on behalf of SBI Digital Asset Holdings Co., Ltd. (referred to herein as "SBI Digital Asset Holdings" or the "Reporting Person"), a wholly owned subsidiary of SBI Holdings, Inc. The shares subject to this report are held by SBI Digital Strategic Investment Co., Ltd. ("SBI Digital Strategic Investment"), a wholly owned subsidiary of SBI Digital Asset Holdings.
Neither the present filing nor anything contained herein shall be construed as an admission that SBI Digital Asset Holdings constitutes a "person" for any purposes other than Section 13(d) of the Act.
(b)
Address or principal business office or, if none, residence:
The principal business address of SBI Digital Asset Holdings is 1-6-1 Roppongi, Minato-Ward, Tokyo, Japan.
(c)
Citizenship:
See response to Item 4 on cover page.
(d)
Title of class of securities:
Class A Common Shares, par value $0.001 per share
(e)
CUSIP Number(s):
G67187107
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:
15,308,819 shares of Class A Common Shares.
SBI Digital Strategic Investment acquired the securities prior to the Issuer's listing on Nasdaq and beneficially owned more than five percent of the outstanding shares at the time the Issuer's securities became registered under the Securities Exchange Act of 1934.
(b)
Percent of class:
40.5%
The percentage above is based on 37,825,411 Class A Common Shares of the Issuer outstanding as set forth in the Issuer's Registration Statement on Form F-1 filed with the Commission on May 14, 2026.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
15,308,819.
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
15,308,819.
(iv) Shared power to dispose or to direct the disposition of:
0
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 Item 2(a).
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
Not Applicable
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.
