American Water Works
Ownership
Ownership Structure
Who owns American Water Works (AWK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.8% of the shares are freely tradable; institutional investors hold 103.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.82 | 19,513,998 | -0.1 | 03/31/2026 |
| Wellington Management Company LLP | 7.50 | 14,911,963 | +35.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.39 | 12,699,771 | +0.0 | 03/31/2026 |
| State Street Corp | 6.06 | 12,038,747 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.69 | 11,301,554 | +0.0 | 03/31/2026 |
| GQG Partners LLC | 4.48 | 8,903,133 | +38.4 | 06/30/2026 |
| Aristotle Capital Management LLC | 2.93 | 5,813,455 | -3.3 | 03/31/2026 |
| Geode Capital Management, LLC | 2.60 | 5,161,890 | +2.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.13 | 6,212,293 | +0.2 | 07/31/2026 |
| Vanguard 500 Index Investor | 2.58 | 5,127,369 | +1.1 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.