American Water Works Company, Inc.
American Water Works Company, Inc. (AWK) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AWK · as of Sep 30, 2025
Ownership Breakdown
1,151
Institutional Holders
▲ 15 vs Q2
$25.01B
Total Inst. Value
▲ $447.34M vs Q2
195.28M
Shares Outstanding
freeFloat 99.79%
181.29M
13F Shares Held
▲ 3.19M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AWK largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC water supply | 26.23M | 13.45% | 13.45% | $3.65T | Nov 7, 2025 | ▲ 597.9K |
BLACKROCK, INC. water supply | 20.70M | 10.61% | 10.61% | $2.88T | Nov 12, 2025 | ▲ 69.0K |
STATE STREET CORP water supply | 11.55M | 5.92% | 5.92% | $1.61T | Nov 14, 2025 | ▲ 120.9K |
ARISTOTLE CAPITAL MANAGEMENT, LLC water supply | 6.30M | 3.23% | 3.23% | $876.85B | Nov 14, 2025 | ▼ 286.6K |
GEODE CAPITAL MANAGEMENT, LLC water supply | 5.01M | 2.57% | 2.57% | $693.88B | Nov 12, 2025 | ▲ 55.8K |
GQG PARTNERS LLC water supply | 3.95M | 2.03% | 2.03% | $550.29B | Nov 13, 2025 | ▲ 2.48M |
AMUNDI water supply | 3.90M | 2.00% | 2.00% | $541.60B | Nov 14, 2025 | ▼ 30.1K |
PRICE T ROWE ASSOCIATES INC /MD/ water supply | 3.61M | 1.85% | 1.85% | $502.71B | Nov 14, 2025 | ▼ 173.9K |
INVESCO LTD. water supply | 3.38M | 1.74% | 1.74% | $471.03B | Nov 13, 2025 | ▼ 57.9K |
NORTHERN TRUST CORP water supply | 3.37M | 1.73% | 1.73% | $468.83B | Nov 14, 2025 | ▼ 11.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
23
Increased
+10.38M shares0
New Positions
first time holders26
Decreased
−3.54M shares0
Sold Out
fully exitedNet shares change (top 50)
+6.84M
+10.38M / −3.54M
Net new holders
-3
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AWK insider trading · insider activity
Source: SEC Form 4
9
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Nathoo Raffiq director | May 13, 2026 | Award | 1,374 | — | — | 2.5K | Form 4 ↗ |
MCGUIGAN STUART M director | May 13, 2026 | Award | 1,374 | — | — | 3.3K | Form 4 ↗ |
Marberry Michael director | May 13, 2026 | Award | 1,374 | — | — | 11.4K | Form 4 ↗ |
Kurz Karl F director | May 13, 2026 | Award | 2,159 | — | — | 22.8K | Form 4 ↗ |
KAMPLING PATRICIA L director | May 13, 2026 | Award | 1,374 | — | — | 9.0K | Form 4 ↗ |
JOHNSON JULIA L director | May 13, 2026 | Award | 1,374 | — | — | 32.1K | Form 4 ↗ |
Havanec Laurie P. director | May 13, 2026 | Award | 1,374 | — | — | 5.4K | Form 4 ↗ |
Grow Lisa A director | May 13, 2026 | Award | 1,374 | — | — | 2.2K | Form 4 ↗ |
Edwards Jeffrey N director | May 13, 2026 | Award | 1,374 | — | — | 11.8K | Form 4 ↗ |
Wikle Melissa K. SVP, Chief Accounting Officer | Feb 17, 2026 | Award | 1,064 | — | — | 8.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
American Water Works Company, Inc. (AWK) is primarily owned by institutional investors, who hold approximately 92.8% of total shares outstanding. Company insiders own approximately 0.21%, while retail and public investors account for the remaining 6.95%.
The largest institutional shareholder of American Water Works Company, Inc. is VANGUARD GROUP INC, holding approximately 26.23 million shares — equal to 13.45% of outstanding shares — as of September 30, 2025.
A total of 1,151 institutional investors currently hold AWK stock, with a combined institutional value of approximately $25.01 billion as of the most recent 13F filing period.
Frequently asked questions
AWK ownershipAmerican Water Works Company, Inc. (AWK) is primarily owned by institutional investors, who hold approximately 92.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 13.45% stake. Company insiders hold 0.21%. Data sourced from SEC Form 13F as of September 30, 2025.