Vanguard Capital Management (NYSE: HII) reports 2.89M shares, 7.34% stake

Rhea-AI Filing Summary

Huntington Ingalls Industries Inc ownership disclosure: Vanguard Capital Management reports beneficial ownership of 2,891,025 shares of Common Stock, representing 7.34% of the class as reported.

The filing states Vanguard Capital Management has sole voting power for 338,273 shares and sole dispositive power for 2,891,025 shares. The position reflects shares held or directed by Vanguard Capital Management and specified affiliates.

Insights

Institutional Ownership Analyst

Large passive stake reported by Vanguard Capital Management.

Vanguard Capital Management reports beneficial ownership of 2,891,025 shares (7.34%). This level qualifies as a >5% position and must be reported under Schedule 13G rules for institutional investors.

Institutional holdings at this scale can affect perceived investor base and potential shareholder voting blocs; subsequent amendments or Forms 13D/13G could show changes.

Governance Specialist

Voting and dispositive powers are specified separately.

The filing differentiates that Vanguard has sole voting power for 338,273 shares and sole dispositive power for 2,891,025 shares, indicating voting control is narrower than economic exposure.

This split is relevant for assessing who may influence shareholder votes; timing and any changes should appear in future SEC filings.

Key Figures

Beneficial ownership: 2,891,025 shares Percent of class: 7.34% Sole voting power: 338,273 shares +1 more

4 metrics

Beneficial ownership 2,891,025 shares reported as of 03/31/2026

Percent of class 7.34% percent of common stock reported

Sole voting power 338,273 shares shares with sole power to vote

Sole dispositive power 2,891,025 shares shares with sole power to dispose

Key Terms

Schedule 13G, Beneficial ownership, Dispositive power, Sole voting power

4 terms

Schedule 13G regulatory

"Name of form: SCHEDULE 13G (beneficial ownership disclosure)"

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: 2891025 (shows economic exposure)"

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.

Dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 2891025"

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.

Sole voting power governance

"Sole power to vote or to direct the vote: 338,273"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

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

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Accepted by SEC EDGAR 04/30/2026 - 10:31 AM Learn about SEC filing dates

FAQ

What stake does Vanguard Capital Management report in HII?

Vanguard Capital Management reports 2,891,025 shares, representing 7.34% of Huntington Ingalls Industries common stock. The filing is a Schedule 13G institutional disclosure and lists voting and dispositive powers.

How many votes does Vanguard control in HII?

Vanguard reports sole voting power for 338,273 shares. The filing separates voting power from dispositive power, showing voting influence is smaller than the total economic holdings.

Does this filing indicate Vanguard will sell or buy HII shares?

This Schedule 13G discloses beneficial ownership only and does not state any planned purchases or sales. It describes current holdings and voting/dispositive powers as reported by Vanguard.

Which affiliates are included in Vanguard's reported ownership?

The filing lists affiliates including Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, Vanguard Global Advisers, LLC, and Vanguard Investments Australia Ltd as part of the reported beneficial ownership.

When was this ownership reported for HII?

The filing shows an ownership reference date of 03/31/2026 and the Schedule 13G was signed on 04/30/2026, indicating the position is reported as of the quarter-end date.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Huntington Ingalls Industries Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

446413106

(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): 446413106

1

Names of Reporting Persons

Vanguard Capital Management

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

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 338,273.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,891,025.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,891,025.00

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)

7.34 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by Vanguard Capital Management LLC and the following affiliates of Vanguard Capital Management LLC or business divisions of such affiliates: Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, Vanguard Global Advisers, LLC and Vanguard Investments Australia Ltd. This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Capital Management LLC exercises dispositive power, in addition to securities held by clients over which the affiliates or business divisions of such affiliates indicated above exercise dispositive and/or voting power. This Schedule 13G does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Capital Management LLC, or business divisions of such subsidiaries, whose ownership of securities is disaggregated from that of the reporting business unit in accordance with such release.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Huntington Ingalls Industries Inc
(b)	Address of issuer's principal executive offices: 4101 Washington Avenue, Newport News, VA, 23607
Item 2.
(a)	Name of person filing: Vanguard Capital Management
(b)	Address or principal business office or, if none, residence: 100 Vanguard Blvd,, Malvern, PA, 19355
(c)	Citizenship: PA
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 446413106
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: 2891025
(b)	Percent of class: 7.34 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 338273
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 2891025
	(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.
	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. Vanguard Capital Management, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.No one other person's interest in the securities reported herein is more than 5%.
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.

Vanguard Capital Management

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	04/30/2026