Mariner
HTO

Mariner’s H2O America HTO Stock Holding History

Mariner’s Portfolio HTO Stock Details HTO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.82M Buy
47,989
+1,124
+2% +$61.2K ﹤0.01% 1341
2025
Q4 		$2.3M Buy
46,865
+871
+2% +$41.8K ﹤0.01% 1416
2025
Q3 		$2.24M Buy
45,994
+7,614
+20% +$380K ﹤0.01% 1361
2025
Q2 		$1.99M Buy
38,380
+3,814
+11% +$203K ﹤0.01% 1335
2025
Q1 		$1.89M Buy
34,566
+13,039
+61% +$667K ﹤0.01% 1275
2024
Q4 		$1.06M Buy
21,527
+2,559
+13% +$141K ﹤0.01% 1601
2024
Q3 		$1.1M Sell
18,968
-1,861
-9% -$109K ﹤0.01% 1533
2024
Q2 		$1.13M Buy
20,829
+8,581
+70% +$469K ﹤0.01% 1427
2024
Q1 		$693K Buy
+12,248
New +$727K ﹤0.01% 1784
2023
Q2 		– Sell
-9,465
Closed -$721K – 2922
2023
Q1 		$721K Sell
9,465
-2,619
-22% -$202K ﹤0.01% 1458
2022
Q4 		$981K Sell
12,084
-18,203
-60% -$1.3M ﹤0.01% 1255
2022
Q3 		$1.75M Sell
30,287
-3,070
-9% -$198K 0.01% 830
2022
Q2 		$2.08M Buy
33,357
+5,235
+19% +$324K 0.01% 700
2022
Q1 		$1.96M Buy
28,122
+530
+2% +$35.7K 0.01% 729
2021
Q4 		$2.02M Sell
27,592
-6,495
-19% -$452K 0.01% 655
2021
Q3 		$2.25M Buy
34,087
+2,303
+7% +$156K 0.01% 512
2021
Q2 		$2.01M Buy
31,784
+1,489
+5% +$96.4K 0.01% 491
2021
Q1 		$1.91M Buy
30,295
+7,878
+35% +$514K 0.01% 463
2020
Q4 		$1.55M Buy
22,417
+453
+2% +$29.4K 0.01% 477
2020
Q3 		$1.34M Buy
21,964
+5,428
+33% +$343K 0.01% 442
2020
Q2 		$1.03M Buy
+16,536
New +$993K 0.01% 483
2019
Q3 		– Sell
-29,386
Closed -$1.79M – 989
2019
Q2 		$1.79M Sell
29,386
-26,691
-48% -$1.64M 0.02% 409
2019
Q1 		$3.46M Sell
56,077
-4,979
-8% -$299K 0.05% 283
2018
Q4 		$3.4M Buy
+61,056
New +$3.62M 0.06% 255

Other funds holding HTO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AIP
Atlas Infrastructure Partners London, United Kingdom $2.84B AUM 4.75% 1-Year Est. Return
AP
Antipodes Partners Royal Exchange, Australia $5.19B AUM 36.17% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Cerity Partners
Cerity Partners New York $70.8B AUM 21.68% 1-Year Est. Return
SFM
Soros Fund Management New York $9.12B AUM 30.69% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Mariner's HTO Position: Q1 2026 in Review

Mariner increased its H2O America (HTO) stake by 2.4% in Q1 2026, buying an estimated $61.2K and bringing the position to 47,989 shares worth $2.82M. The position accounts for ﹤0.01% of the portfolio, ranked #1341.

Mariner first reported a position in HTO in Q4 2018 and has held it in 24 quarters since. The position peaked at $3.46M in Q1 2019. 312 funds tracked by Wall St. Rank hold HTO as of Q1 2026.

  • Mariner held 47,989 shares of H2O America worth $2.82M as of Q1 2026.
  • Mariner bought 1,124 H2O America shares in Q1 2026, an estimated $61.2K.
  • H2O America made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1341 holding.
  • Mariner first reported a position in H2O America in Q4 2018 and has held it in 24 quarters since.
  • Mariner's H2O America position peaked at $3.46M in Q1 2019.
  • 312 funds tracked by Wall St. Rank held H2O America as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.