MFS discloses 6.3% stake in Black Rock Coffee Bar

Black Rock Coffee Bar, Inc. received an updated large-holder disclosure from Massachusetts Financial Services Company (MFS).

Accepted by SEC EDGAR 01/28/2026 - 01:58 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Black Rock Coffee Bar, Inc. received an updated large-holder disclosure from Massachusetts Financial Services Company (MFS). MFS reports beneficial ownership of 1,105,320 shares of common stock, representing 6.3% of the class as of the event date.

MFS has sole voting and dispositive power over these shares and no shared power. It states the position is held in the ordinary course of business and not for the purpose of changing or influencing control of Black Rock Coffee Bar, Inc.

FAQ

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

What stake does Massachusetts Financial Services hold in BRCB?

Massachusetts Financial Services Company reports beneficial ownership of 1,105,320 shares of Black Rock Coffee Bar, Inc. common stock, representing 6.3% of the outstanding class, giving it a significant institutional position above the 5% disclosure threshold.

Does Massachusetts Financial Services control how its BRCB shares are voted?

Yes. Massachusetts Financial Services Company reports sole voting power over 1,105,320 Black Rock Coffee Bar, Inc. shares and no shared voting power, meaning it alone can decide how these shares are voted on corporate matters.

Is Massachusetts Financial Services trying to influence control of BRCB?

No. Massachusetts Financial Services Company certifies the BRCB shares were acquired and are held in the ordinary course of business and not for the purpose or effect of changing or influencing control of Black Rock Coffee Bar, Inc.

What type of filing did Massachusetts Financial Services submit for BRCB?

Massachusetts Financial Services Company filed an amended Schedule 13G (Amendment No. 1) regarding its holdings in Black Rock Coffee Bar, Inc., reflecting a passive ownership position above 5% of the company’s common stock.

What percentage of BRCB does a 6.3% stake represent for investors?

A 6.3% stake means Massachusetts Financial Services Company owns slightly more than one-twentieth of Black Rock Coffee Bar, Inc.’s common stock, signaling a sizeable institutional holding but not a controlling or majority interest in the company.

Who signed the BRCB Schedule 13G/A for Massachusetts Financial Services?

The Schedule 13G/A for Black Rock Coffee Bar, Inc. was signed by Deepu Pylee, identified as Compliance Director, certifying that the information provided about Massachusetts Financial Services Company’s ownership is true, complete, and correct.

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

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

BLACK ROCK COFFEE BAR, INC.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

092244102

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 092244102

1

Names of Reporting Persons

Massachusetts Financial Services Company

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 1,105,320.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,105,320.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,105,320.00

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)

6.3 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: BLACK ROCK COFFEE BAR, INC.
(b)	Address of issuer's principal executive offices: 9170 E. Bahia Drive, Suite 101, Scottsdale, AZ 85260
Item 2.
(a)	Name of person filing: Massachusetts Financial Services Company
(b)	Address or principal business office or, if none, residence: 111 Huntington Avenue, Boston, MA 02199
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 092244102
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: 1,105,320 shares of Common Stock consisting of shares beneficially owned by MFS and/or certain other non-reporting entities
(b)	Percent of class: 6.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,105,320
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,105,320
	(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.

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.

Massachusetts Financial Services Company

Signature:	Deepu Pylee
Name/Title:	Compliance Director
Date:	01/28/2026