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HTO · H2o America

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$63.68 -0.21 (-0.33%) At close · Aug 26
Market Cap
$2.67B
Shares
41.84M

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: 314
Total Value: $2,675,982,052
Total Shares: 44,034,607

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 314 13F filers · Δ vs Mar 31, 2026
Top Holder
16.1%
Sep 2023 → Jun 2026 · range 14.0% – 24.0%
+2.1 pts
Top 5
38.7%
Sep 2023 → Jun 2026 · range 36.1% – 51.6%
+2.7 pts
Top 10
53.6%
Sep 2023 → Jun 2026 · range 51.0% – 68.9%
+2.6 pts
HHI
510
Sep 2023 → Jun 2026 · range 446 – 872
Broadly held+64

Quarterly Activity

vs Mar 31, 2026
New
46
Increased
127
Decreased
92
Sold Out
47
Unchanged
49
Holder count: -1
Institutional value: -0.3%
Shares held: -3.8%

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 316
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 766829 CUSIP 784305104 13F (30d) 265 filings 262 filers Visit website Investor relations