Dimensional Fund Advisors holds 3.1% of Bandwidth

Dimensional Fund Advisors reports beneficial ownership of 938,163 shares of Bandwidth Inc common stock, representing 3.1% of the outstanding class.

Rhea-AI Filing Summary

Dimensional Fund Advisors reports beneficial ownership of 938,163 shares of Bandwidth Inc common stock, representing 3.1% of the outstanding class. The firm has sole voting power over 912,958 shares and sole dispositive power over 938,163 shares, with no shared voting or dispositive authority.

The shares are held across various investment companies, commingled funds, group trusts and separate accounts that Dimensional advises or sub‑advises. All securities are owned by these funds, and Dimensional disclaims beneficial ownership except for purposes of Section 13(d) of the Securities Exchange Act of 1934. No individual fund’s interest exceeds 5% of the class.

Key Figures

Shares beneficially owned: 938,163 shares Percent of class: 3.1% Sole voting power: 912,958 shares +3 more

6 metrics

Shares beneficially owned 938,163 shares Amount beneficially owned by Dimensional Fund Advisors for Section 13(d) reporting

Percent of class 3.1% Percentage of Bandwidth Inc common stock class reported as beneficially owned

Sole voting power 912,958 shares Shares for which Dimensional Fund Advisors has sole power to vote or direct the vote

Shared voting power 0 shares Shares for which Dimensional Fund Advisors has shared power to vote

Sole dispositive power 938,163 shares Shares for which Dimensional Fund Advisors can solely direct disposition

Shared dispositive power 0 shares Shares for which Dimensional Fund Advisors has shared power to dispose

Key Terms

beneficial owner, dispositive power, Schedule 13(d), Investment Company Act of 1940, +1 more

5 terms

beneficial owner regulatory

"may be deemed to be the beneficial owner of the shares of the Issuer"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 938,163"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Schedule 13(d) regulatory

"for any other purposes than Section 13(d) of the Securities Exchange Act"

Investment Company Act of 1940 regulatory

"four investment companies registered under the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

Investment Advisors Act of 1940 regulatory

"an investment adviser registered under Section 203 of the Investment Advisors Act of 1940"

FAQ

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

What percentage of Bandwidth Inc (BAND) does Dimensional Fund Advisors report owning?

Dimensional Fund Advisors reports beneficial ownership of 3.1% of Bandwidth Inc’s common stock. This corresponds to 938,163 shares, held across multiple advised funds and accounts, and is explicitly characterized as ownership of 5 percent or less of the class.

How many Bandwidth Inc (BAND) shares does Dimensional Fund Advisors control voting for?

Dimensional Fund Advisors has sole voting power over 912,958 shares of Bandwidth Inc common stock. It reports 0 shares with shared voting power, indicating that voting authority for these holdings is exercised solely through Dimensional’s advisory role for its funds.

How many Bandwidth Inc (BAND) shares can Dimensional Fund Advisors dispose of?

Dimensional Fund Advisors has sole dispositive power over 938,163 shares of Bandwidth Inc. It reports 0 shares with shared dispositive power, meaning decisions to sell or otherwise dispose of these shares are made under Dimensional’s authority for its advised funds.

Does Dimensional Fund Advisors claim full beneficial ownership of its Bandwidth Inc (BAND) holdings?

Dimensional Fund Advisors explicitly disclaims beneficial ownership of the Bandwidth Inc shares. The shares are owned by underlying funds and accounts it advises, and Dimensional states its reported position is solely for Section 13(d) reporting purposes under the Exchange Act.

Do any individual Dimensional funds hold over 5% of Bandwidth Inc (BAND) stock?

According to Dimensional, the interest of any one fund in Bandwidth Inc does not exceed 5% of the class. The right to receive dividends or sale proceeds rests with the various funds, none of which individually crosses the 5% threshold.

Who signed the Bandwidth Inc (BAND) ownership report for Dimensional Fund Advisors?

The report was signed by Selwyn Notelovitz, Global Chief Compliance Officer of Dimensional Fund Advisors LP. The signature confirms the accuracy of the disclosed ownership and authority details for Bandwidth Inc common stock as reported by the adviser.

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

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Accepted by SEC EDGAR 07/14/2026 - 01:27 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Bandwidth Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

05988J103

(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): 05988J103

1

Names of Reporting Persons

Dimensional Fund Advisors LP

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 912,958.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 938,163.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

938,163.00

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)

3.1 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Bandwidth Inc
(b)	Address of issuer's principal executive offices: Venture Center III, 900 Main Campus Drive, Raleigh, NC 27606
Item 2.
(a)	Name of person filing: Dimensional Fund Advisors LP
(b)	Address or principal business office or, if none, residence: 6300 Bee Cave Road, Building One, Austin, TX 78746
(c)	Citizenship: Delaware Limited Partnership
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 05988J103
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: 938,163 ** see Note 1 ** ** Note 1 ** Dimensional Fund Advisors LP, an investment adviser registered under Section 203 of the Investment Advisors Act of 1940, furnishes investment advice to four investment companies registered under the Investment Company Act of 1940, and serves as investment manager or sub-adviser to certain other commingled funds, group trusts and separate accounts (such investment companies, trusts and accounts, collectively referred to as the "Funds"). In certain cases, subsidiaries of Dimensional Fund Advisors LP may act as an adviser or sub-adviser to certain Funds. In its role as investment advisor, sub-adviser and/or manager, Dimensional Fund Advisors LP or its subsidiaries (collectively, "Dimensional") may possess voting and/or investment power over the securities of the Issuer that are owned by the Funds, and may be deemed to be the beneficial owner of the shares of the Issuer held by the Funds. However, all securities reported in this schedule are owned by the Funds. Dimensional disclaims beneficial ownership of such securities. In addition, the filing of this Schedule 13G shall not be construed as an admission that the reporting person or any of its affiliates is the beneficial owner of any securities covered by this Schedule 13G for any other purposes than Section 13(d) of the Securities Exchange Act of 1934.
(b)	Percent of class: 3.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 912,958** see Note 1 **
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 938,163** see Note 1 **
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. The Funds described in Note 1 above have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the securities held in their respective accounts. To the knowledge of Dimensional, the interest of any one such Fund does not exceed 5% of the class of securities. Dimensional Fund Advisors LP disclaims beneficial ownership of all such securities.
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.

Dimensional Fund Advisors LP

Signature:	Selwyn Notelovitz
Name/Title:	Global Chief Compliance Officer
Date:	07/14/2026