MUELLER WATER PRODUCTS INC-A (MWA) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $3.66B 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 $663.49M in its June 30, 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 $584.12M, representing an estimated loss of -11.96% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% 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
413
Total Reported Value
$3.66B
Largest Holder
Blackrock, Inc.
Largest Position
$663.49M
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
36
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% | 25,686,966 | $663,494,338 | $584,121,607 | -$79,372,731 | -11.96% | |
| Vanguard Portfolio Management Llc | 0.01% | 11,572,350 | $298,913,801 | $263,155,239 | -$35,758,562 | -11.96% | |
| Vanguard Capital Management Llc | 0.00% | 7,033,404 | $181,672,825 | $159,939,607 | -$21,733,218 | -11.96% | |
| State Street Corp | 0.00% | 6,330,173 | $163,508,369 | $143,948,134 | -$19,560,235 | -11.96% | |
| First Trust Advisors Lp | 0.09% | 6,103,655 | $157,657,402 | $138,797,115 | -$18,860,287 | -11.96% | |
| Fiduciary Management Inc | 2.17% | 5,902,018 | $152,449,125 | $134,211,889 | -$18,237,236 | -11.96% | |
| Geode Capital Management, Llc | 0.01% | 5,029,693 | $129,935,504 | $114,375,219 | -$15,560,285 | -11.98% | |
| Fuller & Thaler Asset Management, Inc. | 0.35% | 4,905,739 | $126,715,250 | $111,556,505 | -$15,158,745 | -11.96% | |
| Dimensional Fund Advisors Lp | 0.02% | 3,749,755 | $96,860,913 | $85,269,429 | -$11,591,484 | -11.97% | |
| Impax Asset Management Group Plc | 0.50% | 2,967,471 | $76,649,776 | $67,480,291 | -$9,169,485 | -11.96% | |
| American Century Companies Inc | 0.03% | 2,701,300 | $69,774,579 | $61,427,562 | -$8,347,017 | -11.96% | |
| Principal Financial Group Inc | 0.03% | 2,662,926 | $68,783,378 | $60,554,937 | -$8,228,441 | -11.96% | |
| Gamco Investors, Inc. Et Al | 0.59% | 2,538,072 | $65,558,400 | $57,715,757 | -$7,842,643 | -11.96% | |
| Nuveen, Llc | 0.01% | 2,348,904 | $60,672,191 | $53,414,077 | -$7,258,114 | -11.96% | |
| Morgan Stanley | 0.00% | 2,273,797 | $58,732,251 | $51,706,144 | -$7,026,107 | -11.96% | |
| Janus Henderson Group Plc | 0.03% | 1,934,813 | $53,216,952 | $43,997,648 | -$9,219,304 | -17.32% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,874,750 | $48,424,793 | $42,631,815 | -$5,792,978 | -11.96% | |
| Northern Trust Corp | 0.01% | 1,693,743 | $43,749,382 | $38,515,716 | -$5,233,666 | -11.96% | |
| Federated Hermes, Inc. | 0.06% | 1,671,887 | $43,184,840 | $38,018,710 | -$5,166,130 | -11.96% | |
| Invesco Ltd. | 0.00% | 1,657,446 | $42,811,830 | $37,690,322 | -$5,121,508 | -11.96% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.05% | 1,631,597 | $42,144,731 | $37,102,516 | -$5,042,215 | -11.96% | |
| Ubs Group Ag | 0.01% | 1,241,898 | $32,078,225 | $28,240,761 | -$3,837,464 | -11.96% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,126,719 | $29,103,152 | $25,621,590 | -$3,481,562 | -11.96% | |
| Legal & General Group Plc | 0.01% | 1,125,631 | $29,075,050 | $25,596,849 | -$3,478,201 | -11.96% | |
| Bank Of New York Mellon Corp | 0.00% | 1,103,205 | $28,495,770 | $25,086,882 | -$3,408,888 | -11.96% | |
| Triodos Investment Management Bv | 1.64% | 1,043,000 | $26,940,690 | $23,717,820 | -$3,222,870 | -11.96% | |
| Algert Global Llc | 0.31% | 1,008,521 | $26,050,097 | $22,933,768 | -$3,116,329 | -11.96% | |
| Allianz Asset Management Gmbh | 0.02% | 989,118 | $25,548,918 | $22,492,543 | -$3,056,375 | -11.96% | |
| Fmr Llc | 0.00% | 920,144 | $23,767,325 | $20,924,075 | -$2,843,250 | -11.96% | |
| Jpmorgan Chase & Co | 0.00% | 772,712 | $20,357,948 | $17,571,471 | -$2,786,477 | -13.69% | |
| Goldman Sachs Group Inc | 0.00% | 781,877 | $20,195,879 | $17,779,883 | -$2,415,996 | -11.96% | |
| Bank Of America Corp | 0.00% | 747,596 | $19,310,395 | $17,000,333 | -$2,310,062 | -11.96% | |
| Aberdeen Group Plc | 0.03% | 726,576 | $18,767,458 | $16,522,338 | -$2,245,120 | -11.96% | |
| Qube Research & Technologies Ltd | 0.02% | 696,780 | $17,997,827 | $15,844,777 | -$2,153,050 | -11.96% | |
| Gabelli Funds Llc | 0.11% | 695,551 | $17,966,082 | $15,816,830 | -$2,149,252 | -11.96% | |
| Envestnet Asset Management Inc | 0.00% | 604,038 | $15,602,302 | $13,735,824 | -$1,866,478 | -11.96% | |
| Gw&K Investment Management, Llc | 0.11% | 567,401 | $14,656,000 | $12,902,699 | -$1,753,301 | -11.96% | |
| Public Sector Pension Investment Board | 0.04% | 537,615 | $13,886,595 | $12,225,365 | -$1,661,230 | -11.96% | |
| Lightrock Netherlands B.V. | 2.60% | 509,933 | $13,171,569 | $11,595,876 | -$1,575,693 | -11.96% | |
| Voya Investment Management Llc | 0.01% | 490,319 | $12,664,940 | $11,149,854 | -$1,515,086 | -11.96% | |
| Credit Agricole S A | 0.03% | 475,443 | $12,280,693 | $10,811,574 | -$1,469,119 | -11.96% | |
| Panagora Asset Management Inc | 0.04% | 469,792 | $12,134,727 | $10,683,070 | -$1,451,657 | -11.96% | |
| Duff & Phelps Investment Management Co | 0.11% | 468,312 | $12,096,499 | $10,649,415 | -$1,447,084 | -11.96% | |
| Perpetual Ltd | 0.17% | 459,373 | $11,865,605 | $10,446,142 | -$1,419,463 | -11.96% | |
| Assenagon Asset Management S.A. | 0.02% | 455,817 | $11,773,753 | $10,365,279 | -$1,408,474 | -11.96% | |
| Two Sigma Investments, Lp | 0.01% | 445,723 | $11,513,025 | $10,135,741 | -$1,377,284 | -11.96% | |
| Swiss Life Asset Management Ltd | 0.05% | 437,704 | $11,305,894 | $9,953,389 | -$1,352,505 | -11.96% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 404,955 | $11,132,213 | $9,208,677 | -$1,923,536 | -17.28% | |
| Zacks Investment Management | 0.08% | 408,701 | $10,556,773 | $9,293,861 | -$1,262,912 | -11.96% | |
| Crawford Investment Counsel Inc | 0.17% | 403,786 | $10,429,791 | $9,182,094 | -$1,247,697 | -11.96% |
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.