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$AWK
$139.97 -$1.73 (1.22%) Live

Ownership

13F as of Q2 2026 · 198.7M shares outstanding

Who owns AWK?

By type of holder
Institutions 100.0% Insiders 0.0% Everyone else 0.0%
Concentration Top 10 holders own 50.4%
BlackRock, Inc. 10.4% · Wellington Management Group LLP 7.5%
Institutional ownership
100.0%
+4.9 pts vs last qtr
Institutional holders
1,126
-18 vs last qtr
Net shares bought
+14.8M
by institutions in Q2 2026
New / sold out
122 / 140
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Wellington Management Group LLP +3.9M
  • Jpmorgan Chase & Co +3.1M

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Biggest sellers in Q2 2026
  • Ameriprise Financial Inc −1.4M
  • Invesco Ltd. −897.6K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for American Water Works Company, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
+8.9%
+0.96% a year
Each share's claim on the business
−8.2%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$200M vs —
over 10 fiscal years
Diluted shares, split-adjusted
173.6M185.3M197.0M2016: 179.0M shares'162017: 179.0M shares'172018: 180.0M shares'182019: 181.0M shares'192020: 182.0M shares'202021: 182.0M shares'212022: 182.0M shares'222023: 193.0M shares'232024: 195.0M shares'242025: 195.0M shares'25
Buybacks Stock-based comp
$0$32.5M$65.0M2016 buybacks: $65.0M2016 stock comp: $0'162017 buybacks: $54.0M2017 stock comp: $0'172018 buybacks: $45.0M2018 stock comp: $0'182019 buybacks: $36.0M2019 stock comp: $0'192020 buybacks: $02020 stock comp: $0'202021 buybacks: $02021 stock comp: $0'212022 buybacks: $02022 stock comp: $0'222023 buybacks: $02023 stock comp: $0'232024 buybacks: $02024 stock comp: $0'242025 buybacks: $02025 stock comp: $0'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years73% 3–5 years10% 1–3 years12% Under 1 year5%
Quarterly turnover
9.1%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting AWK on Form 13F
B
BlackRock, Inc.
Shares
20.6M
% of company
10.37%
Change vs last qtr
+1.1M (+5.6%)
Held since
≤2021
WM
Wellington Management Group LLP
Shares
14.9M
% of company
7.50%
Change vs last qtr
+3.9M (+35.2%)
Held since
2022

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Institutional Funds

Mutual funds and ETFs reporting AWK on Form N-PORT; together they hold 41.8% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$815M
% of company
3.12%
% of the fund
0.04%
As of
June 30, 2026
V5
Vanguard 500 Index Fund
Vanguard Index Funds
Position value
$666M
% of company
2.55%
% of the fund
0.04%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
HM
Hardwick M Susan
Insider
Shares
57.8K
% of company
0.03%
Change vs last qtr
—
Held since
—
GJ
Griffith John C.
Insider
Shares
37.7K
% of company
0.02%
Change vs last qtr
—
Held since
—

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