Norges Bank reports 181,642 shares in OS (OS)

Rhea-AI Filing Summary

Norges Bank filed an amended Schedule 13G/A reporting beneficial ownership of 181,642 shares of the issuer's common stock, representing 0.1820% of the class as disclosed. The filing states Norges Bank has sole voting power for 4,500 shares, sole dispositive power for 4,500 shares, and shared dispositive power for 177,142 shares. The filing includes a certification about the comparability of Norway's regulatory scheme and is signed on 05/11/2026.

Insights

Institutional Ownership Analyst

Large sovereign investor reports a small, passive position.

Norges Bank discloses 181,642 shares representing 0.1820% of the class. The split between shared dispositive power (177,142 shares) and limited sole voting/dispositive powers suggests the holdings are managed as an investment mandate rather than direct control.

Cash‑flow treatment is not stated; subsequent filings would show any changes. The certification references comparability of Norway's regulatory scheme and offers to furnish additional Schedule 13D information upon request.

Compliance & Regulatory Specialist

Filing follows passive investor disclosure rules and includes a regulatory comparability certification.

The amendment is a Schedule 13G/A indicating reporting by an investment adviser; the filing affirms ownership under the “5 percent or less” category and contains the required signature and certification dated 05/11/2026.

Because the position is below 5%, this remains a passive disclosure; any material change could require a different filing form.

Key Figures

Beneficial ownership: 181,642 shares Percent of class: 0.1820% Sole voting power: 4,500 shares +3 more

6 metrics

Beneficial ownership 181,642 shares Amount beneficially owned as stated in Item 4(a)

Percent of class 0.1820% Percent of class as stated in Item 4(b)

Sole voting power 4,500 shares Sole power to vote as stated in Item 4(c)(i)

Sole dispositive power 4,500 shares Sole power to dispose as stated in Item 4(c)(iii)

Shared dispositive power 177,142 shares Shared power to dispose as stated in Item 4(c)(iv)

Signature date 05/11/2026 Signed and dated by compliance representative

Key Terms

Schedule 13G/A, beneficial ownership, sole dispositive power, shared dispositive power

4 terms

Schedule 13G/A regulatory

"Amended Schedule 13G/A reporting beneficial ownership"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficial ownership financial

"Amount beneficially owned: 181642"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

sole dispositive power regulatory

"Sole power to dispose: 4,500"

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.

shared dispositive power regulatory

"Shared power to dispose: 177,142"

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

ONESTREAM, INC.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

68278B107

(CUSIP Number)

03/31/2026

(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): 68278B107

1

Names of Reporting Persons

Norges Bank

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

NORWAY

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,500.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,500.00
8	Shared Dispositive Power 177,142.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

181,642.00

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)

0.1820 %

12

Type of Reporting Person (See Instructions)

FI, OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ONESTREAM, INC.
(b)	Address of issuer's principal executive offices: 191 N. CHESTER STREET, BIRMINGHAM, MI, 48009
Item 2.
(a)	Name of person filing: Norges Bank
(b)	Address or principal business office or, if none, residence: Bankplassen 2, PO Box 1179 Sentrum, Oslo, NO-0107, Oslo, Norway
(c)	Citizenship: Norway
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 68278B107
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).
	Investment Adviser
Item 4.	Ownership
(a)	Amount beneficially owned: 181642
(b)	Percent of class: 0.1820 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4500
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4500
	(iv) Shared power to dispose or to direct the disposition of: 177142
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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.
	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 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. I also certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to the investment management division of Norges Bank, the central bank of Norway, is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

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.

Norges Bank

Signature:	Stanislav Boiadjiev
Name/Title:	Business and Regulatory Compliance
Date:	05/11/2026

FAQ

What stake does Norges Bank report in OS?

Norges Bank reports beneficial ownership of 181,642 shares, equal to 0.1820% of the class. The filing breaks ownership into voting and dispositive powers, with most shares held under shared dispositive power.

How much voting power does Norges Bank hold in OS?

The filing states sole voting power for 4,500 shares and shared voting power of 0 shares. The majority of the position is reported under dispositive authority rather than sole voting control.

Does this Schedule 13G/A indicate active control by Norges Bank?

No; the filing is a Schedule 13G/A for a passive investor reporting 0.1820% ownership. The large portion listed as shared dispositive power suggests investment management rather than direct control.

When was the Schedule 13G/A signed and by whom?

The amendment is signed by Stanislav Boiadjiev, Business and Regulatory Compliance, with the signature date shown as 05/11/2026, certifying regulatory comparability for Norges Bank's investment management division.