T. Rowe Price reports 5.9% stake in Ambarella

T. Rowe Price Associates, Inc. reported beneficial ownership of 2,598,863 shares of Ambarella Inc. common stock, representing 5.9% of the class.

Rhea-AI Filing Summary

T. Rowe Price Associates, Inc. reported beneficial ownership of 2,598,863 shares of Ambarella Inc. common stock, representing 5.9% of the class. It had sole voting power over 2,595,519 shares and sole dispositive power over 2,598,863 shares, with no shared voting or dispositive power.

The securities covered are Ambarella Inc. common stock (CUSIP G037AX101). T. Rowe Price Associates is organized in Maryland and states that this filing should not be construed as an admission that it is the beneficial owner of these securities, and that such beneficial ownership is expressly denied.

Key Figures

Beneficially owned shares: 2,598,863 shares Percent of class: 5.9% Sole voting power: 2,595,519 shares +1 more

4 metrics

Beneficially owned shares 2,598,863 shares Ambarella Inc. common stock reported by T. Rowe Price Associates, Inc.

Percent of class 5.9% Portion of Ambarella Inc. common stock class beneficially owned

Sole voting power 2,595,519 shares Shares for which T. Rowe Price Associates can solely direct the vote

Sole dispositive power 2,598,863 shares Shares for which T. Rowe Price Associates can solely direct disposition

Key Terms

beneficially owned, sole power to vote, sole power to dispose, Schedule 13G

4 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 2598863"

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 power to vote financial

"(i) Sole power to vote or to direct the vote: 2595519"

sole power to dispose financial

"(iii) Sole power to dispose or to direct the disposition of: 2598863"

Schedule 13G regulatory

""form_type": "SCHEDULE 13G""

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of Ambarella Inc. (AMBA) does T. Rowe Price Associates own?

T. Rowe Price Associates reported beneficial ownership of 5.9% of Ambarella Inc. common stock, totaling 2,598,863 shares. This stake gives it significant influence, with sole voting and dispositive power over essentially all of those reported shares.

How many Ambarella (AMBA) shares does T. Rowe Price Associates control the voting for?

T. Rowe Price Associates has sole voting power over 2,595,519 shares of Ambarella common stock and no shared voting power. This means it alone can direct how these shares are voted on corporate matters.

What is the total beneficial ownership in Ambarella (AMBA) reported by T. Rowe Price Associates?

The firm reported 2,598,863 shares of Ambarella common stock as beneficially owned, representing 5.9% of the class. It also holds sole dispositive power over all 2,598,863 shares with no shared dispositive authority.

Does T. Rowe Price Associates admit beneficial ownership of its Ambarella (AMBA) shares?

T. Rowe Price Associates explicitly states that this filing shall not be construed as an admission that it is the beneficial owner of the Ambarella securities, and that such beneficial ownership is expressly denied, despite reporting the holdings as required.

What class of Ambarella (AMBA) securities and CUSIP are covered in this Schedule 13G?

The filing covers common stock of Ambarella Inc. with CUSIP number G037AX101. The reported position of 2,598,863 shares and 5.9% ownership all relate specifically to this class of equity securities.

Where is T. Rowe Price Associates, filer for this Ambarella (AMBA) Schedule 13G, organized?

T. Rowe Price Associates is organized in Maryland and lists its principal business office at 1307 Point Street, Baltimore, MD 21231. This Maryland citizenship is specifically disclosed in the beneficial ownership report.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/14/2026 - 10:39 AM Accepted by SEC EDGAR 08/14/2026 - 10:38 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

AMBARELLA INC

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

G037AX101

(CUSIP Number)

06/30/2026

(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): G037AX101

1

Names of Reporting Persons

T. Rowe Price Associates, 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 2,595,519.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,598,863.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,598,863.00

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)

5.9 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: AMBARELLA INC
(b)	Address of issuer's principal executive offices: 3001 TASMAN DRIVE, SANTA CLARA, CA, 95054
Item 2.
(a)	Name of person filing: T. Rowe Price Associates, Inc.
(b)	Address or principal business office or, if none, residence: 1307 Point Street, Baltimore, MD 21231
(c)	Citizenship: Maryland
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP Number(s): G037AX101
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: 2598863
(b)	Percent of class: 5.9 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 2595519
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 2598863
	(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.
	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. T. Rowe Price Associates, Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Associates is the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.

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.

T. Rowe Price Associates, Inc.

Signature:	Ellen York
Name/Title:	Vice President
Date:	08/14/2026