Gilder Gagnon Howe reports 602,893 BRCB shares

Black Rock Coffee Bar, Inc. Schedule 13G filed by Gilder Gagnon Howe & Co., LLC reports beneficial ownership of 602,893 shares of Class A common stock, representing 3.5% of the class as of 03/31/2026.

Rhea-AI Filing Summary

Black Rock Coffee Bar, Inc. Schedule 13G filed by Gilder Gagnon Howe & Co., LLC reports beneficial ownership of 602,893 shares of Class A common stock, representing 3.5% of the class as of 03/31/2026. The filing states the holder has shared dispositive power over these shares and reports “Ownership of 5 Percent or Less of a Class.”

Insights

Institutional Ownership Analyst

Large institutional stake disclosed: 602,893 shares (3.5%) held with shared dispositive power.

The filing shows Gilder Gagnon Howe & Co., LLC reports beneficial ownership of 602,893 shares of Class A common stock as of 03/31/2026. The entry lists shared dispositive power, indicating investment decision influence is held jointly.

Ownership is stated under the heading “Ownership of 5 Percent or Less of a Class,” so this position is a non‑control institutional stake. Subsequent filings may show changes in position or voting arrangements.

Compliance & Regulatory Specialist

Schedule 13G used for passive or qualifying institutional ownership disclosures.

The form identifies the filer, address, CUSIP 092244102, and the amount beneficially owned at 602,893 shares (3.5%). Signature is dated 04/21/2026, consistent with post‑period certification.

This filing follows routine disclosure requirements for larger holders; it does not, by itself, indicate changes to governance or control rights beyond the shared dispositive power reported.

Key Figures

Filing type: Schedule 13G Shares beneficially owned: 602,893 shares Percent of class: 3.5% +3 more

6 metrics

Filing type Schedule 13G Ownership disclosure for institutional holders

Shares beneficially owned 602,893 shares Class A common stock reported as of <date>03/31/2026</date>

Percent of class 3.5% Percent of Class A common stock

CUSIP 092244102 Class A common stock identifier

Dispositive power (shared) 602,893 shares Shared power to dispose or direct disposition

Signature date 04/21/2026 Certification date by Chief Compliance Officer

Key Terms

Schedule 13G, Beneficial ownership, Shared dispositive power, CUSIP

4 terms

Schedule 13G regulatory

"Schedule 13G filed by Gilder Gagnon Howe & Co., LLC"

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.

Beneficial ownership financial

"Amount beneficially owned: 602,893"

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.

Shared dispositive power regulatory

"Shared power to dispose or to direct the disposition of: 602,893"

CUSIP financial

"CUSIP Number(s): 092244102"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

FAQ

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

What stake did Gilder Gagnon Howe report in BRCB?

They reported beneficial ownership of 602,893 shares of Class A common stock, equal to 3.5% of the class as of 03/31/2026. The filing lists shared dispositive power over those shares.

Does the Schedule 13G filing indicate control of Black Rock Coffee Bar (BRCB)?

No. The filing is labeled “Ownership of 5 Percent or Less of a Class,” reporting a 3.5% stake. It reflects a significant institutional holding but does not assert control or sole voting power.

Who signed the Schedule 13G for BRCB and when?

The Schedule 13G was signed by Laura Esposito, Chief Compliance Officer, with a signature date of 04/21/2026, certifying the information regarding the position as of 03/31/2026.

What powers over the shares does the filer report for BRCB?

The filer reports 0 shares with sole voting or dispositive power and 602,893 shares with shared dispositive power, indicating joint authority to direct disposition of those shares.

What identifying numbers appear on the BRCB filing?

The filing lists the CUSIP for Class A common stock as 092244102 and identifies the issuer as Black Rock Coffee Bar, Inc. with the reporting date 03/31/2026.

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

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Accepted by SEC EDGAR 05/15/2026 - 10:45 AM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Black Rock Coffee Bar, Inc.

(Name of Issuer)

Class A common stock

(Title of Class of Securities)

092244102

(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): 092244102

1

Names of Reporting Persons

GILDER GAGNON HOWE & CO LLC

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

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 602,893.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

602,893.00

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)

3.5 %

12

Type of Reporting Person (See Instructions)

BD

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: Gilder Gagnon Howe & Co., LLC
(b)	Address or principal business office or, if none, residence: 475, 10th Ave New York, NY 10018
(c)	Citizenship: New York
(d)	Title of class of securities: Class A common stock
(e)	CUSIP Number(s): 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: 602,893
(b)	Percent of class: 3.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 602,893
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.

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.

GILDER GAGNON HOWE & CO LLC

Signature:	Laura Esposito
Name/Title:	Chief Compliance Officer
Date:	04/21/2026