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HTO

H2O America
HTO

263 hedge funds and large institutions have $1.45B invested in H2O America in 2025 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 113 increasing their positions, 82 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

2,791% more call options, than puts

Call options by funds: $7.95M | Put options by funds: $275K

38% more repeat investments, than reductions

Existing positions increased: 113 | Existing positions reduced: 82

34% more first-time investments, than exits

New positions opened: 43 | Existing positions closed: 32

4% more funds holding

Funds holding: 253 → 263 (+10)

0.83% more ownership

Funds ownership: 80.85% → 81.68% (+0.83%)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

2% less capital invested

Capital invested by funds: $1.49B → $1.45B (-$31.7M)

Holders
263
Holders Change
+10
Holders Change %
+3.95%
% of All Funds
3.46%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
43
Increased
113
Reduced
82
Closed
32
Calls
$7.95M
Puts
$275K
Net Calls
+$7.68M
Net Calls Change
+$7.74M

Top Buyers

Rank Fund Capital Flow
1
ZP
Zimmer Partners
New York
+$20M
2
American Century Companies
American Century Companies
Missouri
+$13.9M
3
Marshall Wace
Marshall Wace
United Kingdom
+$12.6M
4
BlackRock
BlackRock
New York
+$6.43M
5
Two Sigma Investments
Two Sigma Investments
New York
+$5.52M

Top Sellers

Rank Fund Capital Flow
1
CIBC Private Wealth Group
CIBC Private Wealth Group
Georgia
-$22.3M
2
Schroder Investment Management Group
Schroder Investment Management Group
United Kingdom
-$15.2M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$12.2M
4
NI
Nuance Investments
Missouri
-$10.8M
5
First Trust Advisors
First Trust Advisors
Illinois
-$6.41M
Name Holding Trade Value Shares
Change 		Change in
Stake
Swiss National Bank
51
Swiss National Bank
Switzerland
$3.22M +$47.9K +900 +1%
COPPSERS
52
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$3.17M -$115K -2,159 -3%
AI
53
Atom Investors
Texas
$3.11M +$1.06M +19,964 +50%
GI
54
GAMCO Investors
Connecticut
$3.04M +$31.9K +600 +1%
Canada Life
55
Canada Life
Manitoba, Canada
$2.79M +$194K +3,647 +7%
CYG
56
Clean Yield Group
Vermont
$2.78M -$575K -10,822 -17%
SLAM
57
Swiss Life Asset Management
$2.69M +$412K +7,755 +18%
RB
58
Rodgers Brothers
Pennsylvania
$2.62M +$2.69M +50,500 New
Fidelity Investments
59
Fidelity Investments
Massachusetts
$2.57M +$2.36M +44,442 +890%
Jane Street
60
Jane Street
New York
$2.51M -$445K -8,372 -15%
CIM
61
Confluence Investment Management
Missouri
$2.48M -$278K -5,235 -10%
Deutsche Bank
62
Deutsche Bank
Germany
$2.48M +$141K +2,659 +6%
CP
63
CenterBook Partners
Connecticut
$2.45M +$307K +5,769 +14%
EOJOAM
64
E. Ohman J:or Asset Management
Sweden
$2.45M – – –
Susquehanna International Group
65
Susquehanna International Group
Pennsylvania
$2.4M -$1.22M -22,962 -33%
KFS
66
Keynote Financial Services
Connecticut
$2.4M +$11K +206 +0.4%
MPM
67
Meritage Portfolio Management
Kansas
$2.37M +$2.42M +45,550 New
BNP Paribas Financial Markets
68
BNP Paribas Financial Markets
France
$2.37M +$1.55M +29,139 +178%
NSIM
69
North Star Investment Management
Illinois
$2.33M – – –
Millennium Management
70
Millennium Management
New York
$2.12M +$1.72M +32,377 +386%
Wells Fargo
71
Wells Fargo
California
$2.08M +$114K +2,152 +6%
CSS
72
Cubist Systematic Strategies
Connecticut
$2.02M -$2.03M -38,208 -50%
Mariner
73
Mariner
Kansas
$1.99M +$203K +3,814 +11%
Raymond James Financial
74
Raymond James Financial
Florida
$1.94M -$594K -11,165 -23%
MSRPS
75
Maryland State Retirement & Pension System
Maryland
$1.93M +$142K +2,674 +8%
1 2
3
4 5

HTO Hedge Fund Activity: Q2 2025 in Review

263 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in H2O America (HTO) for Q2 2025, worth a combined $1.45B — down 2.1% from $1.49B a quarter earlier.

Buyers outnumbered sellers: 43 funds opened new HTO positions and 32 closed out — a net gain of 11 holders — while 113 added to existing stakes and 82 trimmed.

The largest buyer was Zimmer Partners, adding an estimated $20M. The largest seller was CIBC Private Wealth Group, cutting an estimated $22.3M.

  • 263 institutional investors held H2O America (HTO) as of Q2 2025, up from 253 in Q1 2025.
  • Funds reported $1.45B of H2O America stock for Q2 2025, down 2.1% quarter-over-quarter.
  • 43 funds opened new H2O America positions in Q2 2025 and 32 closed out, a net change of +11 holders.
  • The largest H2O America buyer in Q2 2025 was Zimmer Partners, an estimated $20M added.
  • The largest H2O America seller in Q2 2025 was CIBC Private Wealth Group, an estimated $22.3M sold.

Based on aggregated 13F filings for Q2 2025.