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 | 10.37 | 20,612,348 | +5.6 | 06/30/2026 |
| Wellington Management Company LLP | 7.50 | 14,911,963 | +35.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.43 | 12,772,580 | +0.6 | 06/30/2026 |
| State Street Corp | 5.99 | 11,901,865 | -1.1 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.66 | 11,256,567 | -0.4 | 06/30/2026 |
| GQG Partners LLC | 4.48 | 8,903,133 | +38.4 | 06/30/2026 |
| Aristotle Capital Management LLC | 2.73 | 5,429,727 | -6.6 | 06/30/2026 |
| Geode Capital Management, LLC | 2.63 | 5,223,191 | +1.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.17 | 6,302,217 | +1.6 | 09/30/2026 |
| Vanguard 500 Index Investor | 2.63 | 5,219,712 | +0.6 | 09/30/2026 |
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: October 30, 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.