American Water Works Company, Inc. - Common Stock (AWK)

CUSIP: 030420103

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class
Equity / Common Stock
Total 13F shares
188,955,758
Total 13F value
$25,721,093,188
Holder snapshot 6 visible 7 signals
Share change
+3,228,123
Put/Call ratio
43%
SEC-reported price per share
$136.09
Number of holders
1,136
Value change
+$463,622,774
Number of buys
514
Open additional details 1 more signal available
Number of sells
520
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
195,066,328

Security key

030420103

Report period

Q1 2026

Institutions

1,136

Top holders

10

AWK full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 American Water Works Company, Inc. SEC filings American Water Works Company, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of AWK - American Water Works Company, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 10% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 10%
VANGUARD CAPITAL MANAGEMENT LLC 7.6%
WELLINGTON MANAGEMENT GROUP LLP 5.8%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.8%
John C. Griffith 0.02%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
13D/G 13F
10%
$2,882,491,884
19,762,045 shares
 $0 31 Dec 2024
VANGUARD CAPITAL MANAGEMENT LLC
13D/G
Vanguard Capital Management
13D/G
7.6%
$2,011,926,934
14,783,797 shares
 $0 31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP
13D/G 13F
Company
13D/G 13F
5.8%
$1,575,453,195
11,313,847 shares
 $0 31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G
Vanguard Portfolio Management
13D/G
5.8%
$1,541,241,705
11,325,165 shares
 $0 31 Mar 2026
John C. Griffith
3/4/5
President and CEO
3/4/5
0.02%
$5,031,457
37,686 shares
 — 17 Feb 2026
Maureen Duffy
3/4/5
EVP, Comms & External Affairs
3/4/5
0.01%
$3,859,240
28,906 shares
 — 17 Feb 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
1,136
Shares
188,955,758
Rows available
1,136
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
1,132
Q1 2026 holders
1,136
Holder diff
4
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 value Q1 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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