H2O America (HTO)
Nasdaq: HTO · Water Supply · San Jose, CA · filing with the SEC since 1994
Grade3.4
◀ Past 2.6● Present 3.3▶ Future 4.3
Who owns H2O America
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 14.8% of Common Stock, as its SCHEDULE 13G/A filed Oct 27, 2026 says.
Directors and officers
14
report now, of 36 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 27, 2026 · Common Stock · 15.8% in Jul 28, 2026
ATLAS Infrastructure Partners (UK) Ltd.
SCHEDULE 13G/A · filed Sep 22, 2026 · Common Stock, par value $0.001 per share · 11% in Aug 19, 2026
Future Fund Board of Guardians
SCHEDULE 13G · filed Mar 6, 2026 · Common Stock, par value $0.001 per share
Amundi
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%, from 6.19% in Nov 14, 2025
State Street Corporation
SCHEDULE 13G · filed May 13, 2025 · COMMON STOCK · reported falling below 5%, from 5.4% in Feb 5, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What HTO reports owning in othersstakes of 5% or more, and other ties
13 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 26, 2026.
Insider tradesForm 4
1sales
0purchases
0sales on a scheduled plan
1people selling
$100,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 38 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Atlas Infrastructure Partners (Uk) Ltd. | 10% owner | 2 | $200,000 | 0 | 4 | $5.1M |
| Walters Andrew F | Chief Executive Officer | 1 | $100,000 | 0 | 0 | $0 |
| Gip Atlas Holdings Ltd | 10% owner | 0 | $0 | 0 | 2 | $3.1M |