AMERICAN WATER WORKS CO INC (AWK) Institutional Shareholders
AMERICAN WATER WORKS CO INC (AWK) 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 $25.82B in AWK holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AWK tracked by InsiderSet, reporting ownership valued at approximately $2.66B 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 $2.62B, representing an estimated loss of -1.41% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% of the total disclosed AWK value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in AMERICAN WATER WORKS CO INC (AWK).
This page ranks the largest institutional AWK 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
1,113
Total Reported Value
$25.82B
Largest Holder
Blackrock, Inc.
Largest Position
$2.66B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
29
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.05% | 19,513,998 | $2,655,659,907 | $2,618,193,112 | -$37,466,795 | -1.41% | |
| Vanguard Capital Management Llc | 0.04% | 12,699,771 | $1,728,311,835 | $1,703,928,275 | -$24,383,560 | -1.41% | |
| State Street Corp | 0.06% | 12,038,747 | $1,638,353,079 | $1,615,238,685 | -$23,114,394 | -1.41% | |
| Vanguard Portfolio Management Llc | 0.08% | 11,301,554 | $1,538,028,484 | $1,516,329,500 | -$21,698,984 | -1.41% | |
| Wellington Management Group Llp | 0.28% | 11,028,906 | $1,500,923,818 | $1,479,748,318 | -$21,175,500 | -1.41% | |
| Storebrand Asset Management As | 0.46% | 9,350,653 | $1,361,902,712 | $1,254,577,113 | -$107,325,599 | -7.88% | |
| Gqg Partners Llc | 1.39% | 6,431,056 | $875,205,303 | $862,854,784 | -$12,350,519 | -1.41% | |
| Aristotle Capital Management, Llc | 1.66% | 5,813,455 | $791,164,026 | $779,991,257 | -$11,172,769 | -1.41% | |
| Geode Capital Management, Llc | 0.04% | 5,161,890 | $699,761,756 | $692,570,781 | -$7,190,975 | -1.03% | |
| Amundi | 0.16% | 4,351,056 | $592,080,727 | $583,781,184 | -$8,299,543 | -1.40% | |
| Invesco Ltd. | 0.09% | 4,333,228 | $589,708,998 | $581,389,201 | -$8,319,797 | -1.41% | |
| Morgan Stanley | 0.03% | 3,612,397 | $491,611,495 | $484,675,305 | -$6,936,190 | -1.41% | |
| Northern Trust Corp | 0.06% | 3,589,665 | $488,517,510 | $481,625,353 | -$6,892,157 | -1.41% | |
| Legal & General Group Plc | 0.10% | 3,215,234 | $437,561,191 | $431,387,946 | -$6,173,245 | -1.41% | |
| Impax Asset Management Group Plc | 2.67% | 2,817,225 | $383,396,150 | $377,987,078 | -$5,409,072 | -1.41% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.07% | 2,641,371 | $359,464,178 | $354,392,747 | -$5,071,431 | -1.41% | |
| Victory Capital Management Inc | 0.22% | 2,500,233 | $340,256,709 | $335,456,262 | -$4,800,447 | -1.41% | |
| Bank Of America Corp | 0.02% | 2,499,076 | $340,099,286 | $335,301,027 | -$4,798,259 | -1.41% | |
| Allspring Global Investments Holdings, Llc | 0.56% | 2,452,971 | $335,541,897 | $329,115,119 | -$6,426,778 | -1.92% | |
| Nordea Investment Management Ab | 0.27% | 2,151,287 | $293,284,956 | $288,638,177 | -$4,646,779 | -1.58% | |
| Goldman Sachs Group Inc | 0.03% | 1,928,004 | $262,382,071 | $258,680,297 | -$3,701,774 | -1.41% | |
| Ameriprise Financial Inc | 0.06% | 1,800,835 | $251,318,109 | $241,618,032 | -$9,700,077 | -3.86% | |
| Deutsche Bank Ag\ | 0.08% | 1,746,514 | $237,683,090 | $234,329,783 | -$3,353,307 | -1.41% | |
| Wells Fargo & Company/Mn | 0.04% | 1,320,145 | $179,658,453 | $177,123,855 | -$2,534,598 | -1.41% | |
| Charles Schwab Investment Management Inc | 0.03% | 1,258,585 | $171,280,833 | $168,864,349 | -$2,416,484 | -1.41% | |
| Raymond James Financial Inc | 0.05% | 1,229,139 | $167,273,493 | $164,913,580 | -$2,359,913 | -1.41% | |
| Bank Of New York Mellon Corp | 0.03% | 1,111,374 | $151,246,880 | $149,113,050 | -$2,133,830 | -1.41% | |
| Vanguard Fiduciary Trust Co | 0.04% | 1,099,011 | $149,564,407 | $147,454,306 | -$2,110,101 | -1.41% | |
| Ubs Group Ag | 0.03% | 1,081,628 | $147,198,755 | $145,122,029 | -$2,076,726 | -1.41% | |
| First Trust Advisors Lp | 0.10% | 1,023,552 | $139,295,237 | $137,329,972 | -$1,965,265 | -1.41% | |
| Royal Bank Of Canada | 0.03% | 1,014,729 | $138,096,000 | $136,146,190 | -$1,949,810 | -1.41% | |
| Dimensional Fund Advisors Lp | 0.03% | 944,548 | $128,563,620 | $126,730,005 | -$1,833,615 | -1.43% | |
| Stifel Financial Corp | 0.11% | 852,033 | $115,953,623 | $114,317,268 | -$1,636,355 | -1.41% | |
| Cibc Bancorp Usa Inc. | 0.15% | 817,167 | $111,147,287 | $109,639,296 | -$1,507,991 | -1.36% | |
| M&G Plc | 0.55% | 777,173 | $105,695,528 | $104,273,301 | -$1,422,227 | -1.35% | |
| Confluence Investment Management Llc | 1.60% | 780,309 | $102,673,069 | $104,694,059 | +$2,020,990 | +1.97% | |
| Mirova Us Llc | 1.16% | 750,695 | $102,162,083 | $100,720,748 | -$1,441,335 | -1.41% | |
| Hsbc Holdings Plc | 0.06% | 732,883 | $99,780,287 | $98,330,912 | -$1,449,375 | -1.45% | |
| Sei Investments Co | 0.08% | 644,238 | $87,672,031 | $86,437,412 | -$1,234,619 | -1.41% | |
| Bnp Paribas Financial Markets | 0.06% | 636,459 | $86,615,705 | $85,393,704 | -$1,222,001 | -1.41% | |
| Aqr Capital Management Llc | 0.04% | 625,928 | $85,182,471 | $83,980,760 | -$1,201,711 | -1.41% | |
| Bnp Paribas Asset Management Holding S.A. | 0.10% | 624,610 | $85,003,175 | $83,803,924 | -$1,199,251 | -1.41% | |
| Swiss National Bank | 0.04% | 572,900 | $77,965,961 | $76,865,993 | -$1,099,968 | -1.41% | |
| California State Teachers Retirement System | 0.08% | 572,001 | $77,843,616 | $76,745,374 | -$1,098,242 | -1.41% | |
| Fmr Llc | 0.00% | 571,499 | $77,775,291 | $76,678,021 | -$1,097,270 | -1.41% | |
| Aberdeen Group Plc | 0.11% | 579,331 | $76,228,373 | $77,728,840 | +$1,500,467 | +1.97% | |
| Duff & Phelps Investment Management Co | 0.78% | 552,780 | $75,227,830 | $74,166,493 | -$1,061,337 | -1.41% | |
| Hightower Advisors, Llc | 0.08% | 543,833 | $74,010,510 | $72,966,074 | -$1,044,436 | -1.41% | |
| Nuveen, Llc | 0.02% | 528,800 | $71,964,393 | $70,949,096 | -$1,015,297 | -1.41% | |
| Barclays Plc | 0.03% | 517,895 | $70,480,331 | $69,485,972 | -$994,359 | -1.41% |
Frequently asked questions about AWK
Who owns the most AWK stock?
The largest holders of AWK 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 AMERICAN WATER WORKS CO INC (AWK).
Is AWK widely held by superinvestors?
Many widely followed stocks like AWK appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AWK 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.