As of November 6, 2026, Mueller Water Products, Inc. is a publicly traded company (NYSE: MWA); its largest reported holder is Vanguard, with 7.34% on Schedule 13G of April 29, 2026, then Vanguard (5.23%). The largest insider holding is Zakas Marietta Edmunds, the former officer and a director, with 507,969.82 shares (0.33% of shares outstanding), per Form 4 of May 29, 2026 (Schedule 13G, April 29, 2026).
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Is Mueller Water Products, Inc. a real, registered company?
- Mueller Water Products Inc files with the SEC under CIK 1350593 (its SEC filings).
- Its shares are listed under the ticker MWA on NYSE (SEC company record).
- Incorporated in Delaware; business address in Atlanta, Georgia, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Mueller Water Products Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Layoffs: 1 exit or restructuring plan reported on Form 8-K, Item 2.05 (latest filed 2026-11-04).
- Leadership changes: the latest reported is Melissa Rasmussen, Chief Financial Officer (Form 8-K filed 2026-10-13). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Vanguard (filed 2026-04-30).
Who are Mueller Water Products, Inc.'s owners and officers?
Mueller Water Products, Inc.: incorporated in Delaware; business address in Atlanta, Georgia; industry Miscellaneous Fabricated Metal Products (Form 8-K, 2026-11-04).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.23% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 7.34% |
| Schedule 13G, 2026-04-27 | First Trust Portfolios L.P. | 5.05% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
Questions about who owns Mueller Water Products, Inc.
Who owns Mueller Water Products, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of Mueller Water Products, Inc.: Vanguard Portfolio Management (7.34%, Schedule 13G, filed 2026-04-29), Vanguard Capital Management (5.23%, Schedule 13G, filed 2026-04-30) and First Trust Portfolios L.P. (5.05%, Schedule 13G, filed 2026-04-27).
Who are the largest shareholders of Mueller Water Products, Inc.?
By the share each holder's latest filing reports, the largest holders of Mueller Water Products, Inc. on this page are Vanguard Portfolio Management (7.34%), Vanguard Capital Management (5.23%) and First Trust Portfolios L.P. (5.05%).
When did Vanguard Portfolio Management buy into Mueller Water Products, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Vanguard Portfolio Management on this page is the Schedule 13G, filed 2026-04-29, reporting 7.34%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 4 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What They Do, And How The Money Works
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The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-13 | Melissa Rasmussen | Chief Financial Officer | departed | |
| Form 8-K, 2026-10-13 | Mike Morgan | Chief Financial Officer | appointed | 2026-10-28 |
Which insiders own Mueller Water Products, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the former officer and a director: 507,969.82 shares (0.33% of shares outstanding), 479,867.96 held directly and 28,101.86 indirectly (Form 4, 2026-05-29).
- Lydia W. Thomas: 126,689 shares (0.08% of shares outstanding) (Form 4, 2025-03-11).
- , the executive vice president and chief commercial officer: 107,678.73 shares (0.07% of shares outstanding) (Form 4, 2026-06-10).
- , a director: 86,163 shares (0.06% of shares outstanding) (Form 4, 2025-08-18).
- Shirley C. Franklin: 65,043 shares (0.04% of shares outstanding) (Form 4, 2025-03-07).
Shares outstanding: 156,125,679 as of 2026-07-31, from the company's latest SEC cover page.
How much has Mueller Water Products, Inc. raised?
No fundraising or offering filing from Mueller Water Products, Inc. is on file with us.
Red flags found
1 exit or restructuring plan on Form 8-K (latest Form 8-K, 2026-11-04).
Keep reading
More on Mueller Water Products, Inc. and the records around it.
Mueller Water Products, Inc. elsewhere on the record
- Leadership changes Jun 2026
Companies that share a holder
- First Trust Portfolios L.P. also filed stake reports on 105 other companies: First Trust Exchange-Traded Fund (Nov 2026), First Trust Exchange-Traded Fund IV (Nov 2026), First Trust Exchange-Traded Fund VIII (Nov 2026)
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
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