Mueller Water Products, Inc. (MWA) Ownership
MWA ownership summary
as of October 17, 2026- Institutions
- 103.0% of shares outstanding
- Insiders
- 1.09% of shares outstanding
- Shares outstanding
- 156.1M
- Float
- 154.8M shares available to trade
- Short interest
- 5.56% 6.1M shares short
- Days to cover
- 4.28 short interest up 6.6% vs prior month
- Institutions 102.98%
- Insiders 1.09%
MWA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 16.45% | 25.7M | $559.2M | +551,943 (+2.2%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 7.41% | 11.6M | $251.9M | +223,219 (+2.0%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 4.50% | 7.0M | $153.1M | +15,681 (+0.2%) | June 30, 2026 |
| 4 | State Street Corp | 4.05% | 6.3M | $137.8M | +98,002 (+1.6%) | June 30, 2026 |
| 5 | First Trust Advisors L.P. | 3.91% | 6.1M | $132.9M | +66,976 (+1.1%) | June 30, 2026 |
| 6 | Fiduciary Management, Inc. of Milwaukee | 3.78% | 5.9M | $128.5M | +1.7M (+42.0%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 3.22% | 5.0M | $109.5M | +371,086 (+8.0%) | June 30, 2026 |
| 8 | Fuller & Thaler Asset Management Inc | 3.14% | 4.9M | $106.8M | −261,937 (−5.1%) | June 30, 2026 |
| 9 | Franklin Templeton Inc | 3.06% | 4.8M | $103.9M | +1.4M (+41.3%) | June 30, 2026 |
| 10 | Dimensional Fund Advisors, Inc. | 2.40% | 3.7M | $81.6M | +146,215 (+4.1%) | June 30, 2026 |
| 11 | Impax Asset Management Group PLC | 1.90% | 3.0M | $64.6M | +19,190 (+0.7%) | June 30, 2026 |
| 12 | Amundi | 1.84% | 2.9M | $62.6M | +611,798 (+27.1%) | June 30, 2026 |
| 13 | American Century Companies Inc | 1.73% | 2.7M | $58.8M | −171,658 (−6.0%) | June 30, 2026 |
| 14 | Principal Financial Group Inc | 1.71% | 2.7M | $58.0M | −157,171 (−5.6%) | June 30, 2026 |
| 15 | Gamco Investors, Inc. Et Al | 1.63% | 2.5M | $55.3M | −11,395 (−0.4%) | June 30, 2026 |
| 16 | Nuveen, LLC | 1.50% | 2.3M | $51.1M | +535,930 (+29.6%) | June 30, 2026 |
| 17 | Morgan Stanley - Brokerage Accounts | 1.46% | 2.3M | $49.5M | +106,095 (+4.9%) | June 30, 2026 |
| 18 | Jupiter Topco LLC | 1.41% | 2.2M | $48.0M | +2.2M (0.0%) | June 30, 2026 |
| 19 | HHG PLC | 1.24% | 1.9M | $42.1M | +714,913 (+58.6%) | March 31, 2026 |
| 20 | Charles Schwab Investment Management Inc | 1.20% | 1.9M | $40.8M | +18,398 (+1.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 8.8M shares and 4 cut 602K.
MWA top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 9.3M | $202.4M | +2,109 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.19% | 5.0M | $108.4M | −6,751 (−0.1%) | August 31, 2026 |
| 3 | FullerThaler Behavioral Sm-Cp Eq R6 | 3.00% | 4.7M | $102.0M | −268,700 (−5.4%) | June 30, 2026 |
| 4 | iShares Russell 2000 ETF | 2.62% | 4.1M | $89.1M | −5,635 (−0.1%) | September 30, 2026 |
| 5 | First Trust SMID Cp Rising Div Achv ETF | 2.39% | 3.7M | $81.3M | — | September 30, 2026 |
| 6 | Vanguard Small Cap Index | 2.31% | 3.6M | $78.4M | +5,639 (+0.2%) | August 31, 2026 |
| 7 | Franklin Small Cap Value A | 1.93% | 3.0M | $65.5M | +203,345 (+7.2%) | August 31, 2026 |
| 8 | FMI Common Stock Investor | 1.86% | 2.9M | $63.1M | +840,000 (+40.8%) | June 30, 2026 |
| 9 | First Trust RBA Amer Indl RenaisTM ETF | 1.49% | 2.3M | $50.5M | +1,340 (+0.1%) | September 30, 2026 |
| 10 | Vanguard MStar Small Cap Growth Indx Inv | 1.33% | 2.1M | $45.1M | −8,784 (−0.4%) | August 31, 2026 |
| 11 | Avantis US Small Cap Value ETF | 1.13% | 1.8M | $38.6M | — | September 30, 2026 |
| 12 | Global X US Infrastructure Dev ETF | 1.13% | 1.8M | $38.4M | +12,420 (+0.7%) | September 30, 2026 |
| 13 | Fidelity Small Cap Index | 1.10% | 1.7M | $37.4M | +13,356 (+0.8%) | July 31, 2026 |
| 14 | BNP Paribas Aqua C C | 0.95% | 1.5M | $32.4M | −211 (−0.0%) | August 31, 2026 |
| 15 | BNP Paribas Aqua I | 0.95% | 1.5M | $32.2M | −133 (−0.0%) | August 31, 2026 |
| 16 | iShares Russell 2000 Growth ETF | 0.94% | 1.5M | $32.0M | −1,860 (−0.1%) | September 30, 2026 |
| 17 | State Street SPDR Port S&P 600 Sm CpETF | 0.91% | 1.4M | $30.9M | — | September 30, 2026 |
| 18 | Janus Henderson Hrzn Glb SC E2 USD | 0.86% | 1.3M | $29.4M | +51,469 (+4.0%) | August 31, 2026 |
| 19 | 1290 VT GAMCO Small Company Value IB | 0.82% | 1.3M | $27.8M | — | August 31, 2026 |
| 20 | iShares Global Water ETF USD Dist | 0.75% | 1.2M | $25.6M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MWA insider transactions
latest 14| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | Todd P Helms | Sell | $27.61 | 10,720 | $295,979 |
| 2026-02-25 | Gregg C Sengstack | Buy | $29.58 | 25,000 | $739,500 |
| 2026-02-19 | Todd P Helms | Sell | $29.72 | 10,720 | $318,598 |
| 2026-02-03 | Michael T. McCaul | Buy | $27.55 | — | — |
| 2026-01-07 | Brian C Healy | Buy | $24.41 | 1,125 | $27,461 |
| 2025-12-04 | Todd P Helms | Sell | $24.62 | 15,094 | $371,614 |
| 2025-10-07 | Brian C Healy | Buy | $25.78 | 1,070 | $27,585 |
| 2025-09-08 | Suzanne G Smith | Sell | $26.79 | 750 | $20,092 |
| 2025-08-28 | Suzanne G Smith | Sell | $26.91 | 1,288 | $34,660 |
| 2025-08-18 | Thomas J Hansen | Sell | $26.15 | 24,005 | $627,731 |
| 2025-08-15 | Suzanne G Smith | Sell | $26.37 | 8,621 | $227,336 |
| 2025-07-07 | Brian C Healy | Buy | $24.74 | 1,110 | $27,461 |
| 2025-05-16 | Brian C Healy | Buy | $25.32 | 1,085 | $27,472 |
| 2025-05-08 | Brian Slobodow | Sell | $24.57 | 7,376 | $181,228 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MWA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MWA
Institutional investors own 103.0% of Mueller Water Products's shares and insiders 1.09%. The largest holder is BlackRock Inc with 16.45% of the shares (25.7M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 5.56% of the float, or 4.28 days of average trading volume. The share count fell 1.7% since 2014.
Related: MWA analyst forecast, MWA key metrics, MWA dividend history. See the MWA stock overview for the latest quote and news.
MWA ownership FAQ
Who owns the most Mueller Water Products stock?
The largest shareholders of Mueller Water Products are BlackRock Inc (16.45%), Vanguard Portfolio Management, LLC (7.41%), Vanguard Capital Management, LLC (4.50%), State Street Corp (4.05%), First Trust Advisors L.P. (3.91%).
What percentage of Mueller Water Products is owned by institutions?
Institutions hold 103.0% of Mueller Water Products's shares outstanding; insiders hold 1.09%.
Which funds own Mueller Water Products?
The largest fund holders of Mueller Water Products are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.19%), FullerThaler Behavioral Sm-Cp Eq R6 (3.00%), iShares Russell 2000 ETF (2.62%), First Trust SMID Cp Rising Div Achv ETF (2.39%).
What is Mueller Water Products's short interest?
6.1M shares of Mueller Water Products were sold short, 5.56% of the float; at the average daily volume it would take 4.28 days to cover.
Are insiders buying or selling Mueller Water Products?
Of the latest 14 reported insider transactions in Mueller Water Products (since May 8, 2025), 6 were purchases and 8 were sales.
How many shares of Mueller Water Products are outstanding?
Mueller Water Products has 156.1M shares outstanding, of which 154.8M are in the public float.