American Water Works Company, Inc. (AWK) Shareholders & Insider Trades
American Water Works shareholders at a glance
The largest holder of American Water Works stock is BlackRock Advisors LLC, with 15.0 million shares (7.55% of the company), worth about $2.07 billion as of September 25, 2026. The 10 largest holders together own 48.1%.
In Q2 2026, 1,171 institutional holdings reports listed shares worth $27.30 billion.
Insiders reported 40 transactions in the last two years: 2 sales worth $1.05 million and no purchases. The newest one on file is from May 13, 2026 (Nathoo Raffiq A, Director).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 13, 2026.
American Water Works Company, Inc.
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest American Water Works shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 15.0 million | 7.55% | $2.1B |
| Wellington Trust Co., NA | 14.9 million | 7.50% | $2.1B |
| Vanguard Capital Management LLC | 12.8 million | 6.43% | $1.8B |
| State Street Corporation | 11.9 million | 5.99% | $1.6B |
| Vanguard Portfolio Management LLC | 11.3 million | 5.66% | $1.6B |
| GQG Partners LLC | 8.9 million | 4.48% | $1.2B |
| Aristotle Capital Management LLC | 5.4 million | 2.73% | $751.0M |
| Geode Capital Management LLC | 5.2 million | 2.63% | $722.0M |
| BlackRock Life Ltd. | 5.2 million | 2.62% | $720.0M |
| JPMorgan Investment Management, Inc. | 5.0 million | 2.52% | $693.0M |
As of September 25, 2026.
American Water Works institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1,171 | – | $27.3B |
| Q1 2026 | 1,184 | 189.0 million | $25.7B |
| Q4 2025 | 1,176 | 186.0 million | $24.3B |
| Q3 2025 | 1,168 | 183.0 million | $25.3B |
| Q2 2025 | 1,145 | 181.0 million | $25.0B |
| Q1 2025 | 1,170 | 178.0 million | $26.1B |
| Q4 2024 | 1,131 | 175.0 million | $21.7B |
| Q3 2024 | 1,114 | 175.0 million | $25.3B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
American Water Works insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Nathoo Raffiq A | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Marberry Michael L | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Havanec Laurie P | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Kampling Patricia L | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Johnson Julia Louise | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Edwards Jeffrey N. | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Kurz Karl F | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Grow Lisa A | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Mcguigan Stuart M | May 13, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Sutton Lori | Feb 17, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Griffith John C | Feb 17, 2026 | Chief Executive Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Mitchell Stacy A. | Feb 17, 2026 | General Counsel | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 40 insider transactions in the last two years.
Questions and answers
Who owns the most American Water Works stock?
BlackRock Advisors LLC, with 7.55% of the company (as of September 25, 2026). Next: Wellington Trust Co., NA (7.50%) and Vanguard Capital Management LLC (6.43%).
How many institutions own American Water Works stock?
1,171 institutional holdings reports listed American Water Works shares in Q2 2026 worth $27.30 billion.
Are American Water Works insiders buying or selling the stock?
In the last two years insiders reported 2 sales and no purchases (40 transactions in all); the newest on file is from May 13, 2026.
