Mueller Water Products, Inc.
Mueller Water Products, Inc. (MWA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MWA · as of Mar 31, 2025
Ownership Breakdown
387
Institutional Holders
▲ 48 vs Q4
$4.03B
Total Inst. Value
▲ $791.61M vs Q4
156.47M
Shares Outstanding
freeFloat 98.82%
158.37M
13F Shares Held
▲ 14.65M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MWA largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. miscellaneous fabricated metal products | 27.89M | 17.82% | 17.82% | $709.03B | May 2, 2025 | ▲ 12.04M |
VANGUARD GROUP INC miscellaneous fabricated metal products | 19.80M | 12.65% | 12.65% | $503.20B | May 9, 2025 | ▲ 2.84M |
STATE STREET CORP miscellaneous fabricated metal products | 6.01M | 3.84% | 3.84% | $152.71B | May 15, 2025 | ▲ 2.12M |
FULLER & THALER ASSET MANAGEMENT, INC. miscellaneous fabricated metal products | 5.40M | 3.45% | 3.45% | $137.30B | May 13, 2025 | ▲ 2.15M |
INVESCO LTD. miscellaneous fabricated metal products | 4.88M | 3.12% | 3.12% | $124.05B | May 12, 2025 | ▲ 866.0K |
FRANKLIN RESOURCES INC miscellaneous fabricated metal products | 4.59M | 2.93% | 2.93% | $116.68B | May 13, 2025 | ▼ 2.56M |
IMPAX ASSET MANAGEMENT GROUP PLC miscellaneous fabricated metal products | 3.97M | 2.54% | 2.54% | $100.86B | Apr 29, 2025 | ▼ 613.1K |
DIMENSIONAL FUND ADVISORS LP miscellaneous fabricated metal products | 3.89M | 2.48% | 2.48% | $98.84B | May 13, 2025 | ▼ 508.9K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous fabricated metal products | 3.65M | 2.33% | 2.33% | $92.89B | May 13, 2025 | ▲ 117.8K |
PRINCIPAL FINANCIAL GROUP INC miscellaneous fabricated metal products | 3.65M | 2.33% | 2.33% | $92.82B | Apr 28, 2025 | ▲ 636.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
25
Increased
+27.17M shares4
New Positions
first time holders21
Decreased
−9.26M shares0
Sold Out
fully exitedNet shares change (top 50)
+17.91M
+27.17M / −9.26M
Net new holders
+8
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MWA insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
1
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
ZAKAS MARIETTA EDMUNDS Former Officer and Director | May 28, 2026 | Sale | 54,254 | $25.26 | $1.37M | 479.9K | Form 4 ↗ |
Healy Brian C. director | May 15, 2026 | Purchase | 1,166 | $25.75 | $30.0K | 23.8K | Form 4 ↗ |
Helms Todd P SVP and CHRO | Mar 17, 2026 | Sale | 10,720 | $27.61 | $296.0K | 64.5K | Form 4 ↗ |
Rasmussen Melissa SVP and CFO | Mar 3, 2026 | Tax Withhold | 3,341 | $29.36 | $98.1K | 9.1K | Form 4 ↗ |
SENGSTACK GREGG C director | Feb 25, 2026 | Purchase | 25,000 | $29.58 | $739.4K | 25.0K | Form 4 ↗ |
Floyd Scott P. EVP & Chief Commercial Officer | Feb 23, 2026 | Award | 2,979 | $29.59 | $88.1K | 3.0K | Form 4 ↗ |
Helms Todd P SVP and CHRO | Feb 19, 2026 | Sale | 10,720 | $29.72 | $318.5K | 75.2K | Form 4 ↗ |
McAndrew Paul President and CEO | Feb 10, 2026 | Award | 61,800 | $29.45 | $1.82M | 61.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Mueller Water Products, Inc. (MWA) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.18%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Mueller Water Products, Inc. is BLACKROCK, INC., holding approximately 27.89 million shares — equal to 17.82% of outstanding shares — as of March 31, 2025.
A total of 387 institutional investors currently hold MWA stock, with a combined institutional value of approximately $4.03 billion as of the most recent 13F filing period.
Frequently asked questions
MWA ownershipMueller Water Products, Inc. (MWA) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 17.82% stake. Company insiders hold 1.18%. Data sourced from SEC Form 13F as of March 31, 2025.