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AWK · American Water Works Company, Inc.

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$138.71 +2.44 (+1.79%) At close · Aug 19
Market Cap
$27.08B
Shares
198.73M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 1,125
Total Value: $26,871,748,234
Total Shares: 204,237,470

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 1,125 13F filers · Δ vs Mar 31, 2026
Top Holder
10.1%
Sep 2023 → Jun 2026 · range 10.1% – 14.7%
−0.2 pts
Top 5
35.0%
Sep 2023 → Jun 2026 · range 35.0% – 39.7%
−0.0 pts
Top 10
49.0%
Sep 2023 → Jun 2026 · range 48.5% – 51.1%
+0.3 pts
HHI
336
Sep 2023 → Jun 2026 · range 331 – 459
Broadly held+5

Quarterly Activity

vs Mar 31, 2026
New
122
Increased
411
Decreased
416
Sold Out
142
Unchanged
176
Holder count: -20
Institutional value: +3.8%
Shares held: +7.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 1,145
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1410636 CUSIP 030420103 13F (30d) 983 filings 952 filers Visit website Investor relations