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Who owns H2O America (HTO) stock

314 funds reported H2O America (HTO) shares in their latest 13F filings, worth $2.8B in all. The largest holder is BlackRock ($432M). Last quarter 157 funds added to their stakes and 114 cut them.

Largest holders of HTO (13F)Largest holders of HTO (13F)BlackRock$432MAtlas Infrastructure Partners (UK)$280MVanguard Group$134MWellington Management Group LLP$121MDeutsche Bank Ag\$108MAntipodes Partners$107MVanguard Capital Management LLC$95.7MState Street$94.5MCerity Partners LLC$79.4MVanguard Portfolio Management LLC$76.8M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock7,106,413$432Mincrease2026-06-30
Atlas Infrastructure Partners (UK)4,612,035$280Mincrease2026-06-30
Vanguard Group2,731,868$134Mincrease2025-12-31
Wellington Management Group LLP1,995,839$121Mincrease2026-06-30
Deutsche Bank Ag\1,760,193$108Mincrease2026-09-30
Antipodes Partners1,759,602$107Mdecrease2026-06-30
Vanguard Capital Management LLC1,574,377$95.7Mdecrease2026-06-30
State Street1,554,683$94.5Mincrease2026-06-30
Cerity Partners LLC1,307,227$79.4Mdecrease2026-06-30
Vanguard Portfolio Management LLC1,263,898$76.8Mincrease2026-06-30
Soros Fund Management LLC1,254,368$76.2Mincrease2026-06-30
Victory Capital Management1,168,734$71.0Mincrease2026-06-30
Geode Capital Management, LLC992,465$60.3Mincrease2026-06-30
Yaupon Capital Management LP851,846$51.8Mdecrease2026-06-30
Two Sigma Investments, LP806,493$49.0Mincrease2026-06-30

H2O America's latest quarter

H2O America, Q3 2026: revenue $250M (+4% year over year), operating margin 24.2%, net earnings $43.0M, operating cash flow $80.2M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most HTO stock?

By the latest 13F filings: BlackRock ($432M); Atlas Infrastructure Partners (UK) ($280M); Vanguard Group ($134M); Wellington Management Group LLP ($121M); Deutsche Bank Ag\ ($108M).

What is the short interest in HTO?

1,945,235 shares were sold short at the 2026-10-15 settlement, -3.33% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.