MUELLER WATER PRODUCTS INC-A (MWA) Top Institutional Shareholders
MUELLER WATER PRODUCTS INC-A (MWA) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $3.96B in MWA holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MWA tracked by InsiderSet, reporting ownership valued at approximately $690.96M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $644.71M, representing an estimated loss of -6.69% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed MWA value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in MUELLER WATER PRODUCTS INC-A (MWA).
This page ranks the largest institutional MWA shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
421
Total Reported Value
$3.96B
Largest Holder
Blackrock, Inc.
Largest Position
$690.96M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
59
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 25,135,023 | $690,961,784 | $644,713,340 | -$46,248,444 | -6.69% | |
| Vanguard Portfolio Management Llc | 0.02% | 11,349,131 | $311,987,611 | $291,105,210 | -$20,882,401 | -6.69% | |
| Vanguard Capital Management Llc | 0.00% | 7,017,723 | $192,917,205 | $180,004,595 | -$12,912,610 | -6.69% | |
| State Street Corp | 0.01% | 6,232,171 | $171,322,381 | $159,855,186 | -$11,467,195 | -6.69% | |
| First Trust Advisors Lp | 0.12% | 6,036,679 | $165,948,298 | $154,840,816 | -$11,107,482 | -6.69% | |
| Fuller & Thaler Asset Management, Inc. | 0.48% | 5,167,676 | $142,059,426 | $132,550,889 | -$9,508,537 | -6.69% | |
| Geode Capital Management, Llc | 0.01% | 4,658,607 | $128,083,920 | $119,493,270 | -$8,590,650 | -6.71% | |
| Fiduciary Management Inc | 1.42% | 4,156,199 | $114,253,911 | $106,606,504 | -$7,647,407 | -6.69% | |
| Dimensional Fund Advisors Lp | 0.02% | 3,603,540 | $99,056,960 | $92,430,801 | -$6,626,159 | -6.69% | |
| Franklin Resources Inc | 0.02% | 3,376,975 | $92,833,043 | $86,619,409 | -$6,213,634 | -6.69% | |
| Impax Asset Management Group Plc | 0.56% | 2,948,281 | $81,048,245 | $75,623,408 | -$5,424,837 | -6.69% | |
| American Century Companies Inc | 0.04% | 2,872,958 | $78,977,615 | $73,691,373 | -$5,286,242 | -6.69% | |
| Principal Financial Group Inc | 0.04% | 2,820,097 | $77,524,467 | $72,335,488 | -$5,188,979 | -6.69% | |
| Gamco Investors, Inc. Et Al | 0.69% | 2,549,467 | $70,084,848 | $65,393,829 | -$4,691,019 | -6.69% | |
| Amundi | 0.02% | 2,261,635 | $62,192,335 | $58,010,938 | -$4,181,397 | -6.72% | |
| Morgan Stanley | 0.00% | 2,167,702 | $59,590,187 | $55,601,556 | -$3,988,631 | -6.69% | |
| Invesco Ltd. | 0.01% | 2,025,773 | $55,688,499 | $51,961,077 | -$3,727,422 | -6.69% | |
| Janus Henderson Group Plc | 0.03% | 1,934,813 | $53,216,952 | $49,627,953 | -$3,588,999 | -6.74% | |
| Storebrand Asset Management As | 0.02% | 4,168,141 | $52,474,105 | $106,912,817 | +$54,438,712 | +103.74% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,856,352 | $51,031,116 | $47,615,429 | -$3,415,687 | -6.69% | |
| Nuveen, Llc | 0.01% | 1,812,974 | $49,838,655 | $46,502,783 | -$3,335,872 | -6.69% | |
| Northern Trust Corp | 0.01% | 1,586,965 | $43,625,667 | $40,705,652 | -$2,920,015 | -6.69% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.06% | 1,510,769 | $41,529,793 | $38,751,225 | -$2,778,568 | -6.69% | |
| Federated Hermes, Inc. | 0.07% | 1,463,149 | $40,221,964 | $37,529,772 | -$2,692,192 | -6.69% | |
| Balyasny Asset Management L.P. | 0.07% | 1,308,634 | $35,974,349 | $33,566,462 | -$2,407,887 | -6.69% | |
| Allianz Asset Management Gmbh | 0.04% | 1,167,258 | $32,087,923 | $29,940,168 | -$2,147,755 | -6.69% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,088,701 | $29,928,390 | $27,925,181 | -$2,003,209 | -6.69% | |
| Bank Of New York Mellon Corp | 0.01% | 1,077,153 | $29,610,949 | $27,628,974 | -$1,981,975 | -6.69% | |
| Legal & General Group Plc | 0.01% | 1,073,387 | $29,507,409 | $27,532,377 | -$1,975,032 | -6.69% | |
| Triodos Investment Management Bv | 2.10% | 1,008,000 | $27,709,920 | $25,855,200 | -$1,854,720 | -6.69% | |
| Fmr Llc | 0.00% | 964,767 | $26,521,458 | $24,746,274 | -$1,775,184 | -6.69% | |
| Ameriprise Financial Inc | 0.01% | 933,554 | $25,663,395 | $23,945,660 | -$1,717,735 | -6.69% | |
| Ubs Group Ag | 0.00% | 926,651 | $25,473,637 | $23,768,598 | -$1,705,039 | -6.69% | |
| Goldman Sachs Group Inc | 0.00% | 901,822 | $24,791,075 | $23,131,734 | -$1,659,341 | -6.69% | |
| Two Sigma Investments, Lp | 0.02% | 895,277 | $24,611,165 | $22,963,855 | -$1,647,310 | -6.69% | |
| Bank Of America Corp | 0.00% | 888,975 | $24,437,912 | $22,802,209 | -$1,635,703 | -6.69% | |
| Gabelli Funds Llc | 0.13% | 674,293 | $18,536,315 | $17,295,615 | -$1,240,700 | -6.69% | |
| Aberdeen Group Plc | 0.03% | 649,907 | $17,865,944 | $16,670,115 | -$1,195,829 | -6.69% | |
| Millennium Management Llc | 0.01% | 627,092 | $17,238,759 | $16,084,910 | -$1,153,849 | -6.69% | |
| Envestnet Asset Management Inc | 0.00% | 588,590 | $16,180,329 | $15,097,334 | -$1,082,996 | -6.69% | |
| Voya Investment Management Llc | 0.02% | 588,089 | $16,166,566 | $15,084,483 | -$1,082,083 | -6.69% | |
| Panagora Asset Management Inc | 0.06% | 567,932 | $15,612,451 | $14,567,456 | -$1,044,995 | -6.69% | |
| Assenagon Asset Management S.A. | 0.02% | 563,164 | $15,481,378 | $14,445,157 | -$1,036,221 | -6.69% | |
| Public Sector Pension Investment Board | 0.05% | 559,482 | $15,380,160 | $14,350,713 | -$1,029,447 | -6.69% | |
| Duff & Phelps Investment Management Co | 0.14% | 492,139 | $13,528,901 | $12,623,365 | -$905,536 | -6.69% | |
| Lightrock Netherlands B.V. | 2.79% | 474,784 | $13,051,812 | $12,178,210 | -$873,602 | -6.69% | |
| Brown Advisory Inc | 0.02% | 469,168 | $12,897,441 | $12,034,159 | -$863,282 | -6.69% | |
| Crawford Investment Counsel Inc | 0.21% | 450,940 | $12,396,343 | $11,566,611 | -$829,732 | -6.69% | |
| Credit Agricole S A | 0.04% | 450,745 | $12,390,981 | $11,561,609 | -$829,372 | -6.69% | |
| Perpetual Ltd | 0.18% | 436,286 | $11,993,502 | $11,190,736 | -$802,766 | -6.69% |
Frequently asked questions about MWA
Who owns the most MWA stock?
The largest holders of MWA are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MUELLER WATER PRODUCTS INC-A (MWA).
Is MWA widely held by superinvestors?
Many widely followed stocks like MWA appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MWA is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.