Mariner
SCWO icon

Mariner’s 374Water SCWO Stock Holding History

Mariner’s Portfolio SCWO Stock Details SCWO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$51.3K Hold
18,075
– – ﹤0.01% 3421
2025
Q4 		$36.9K Sell
18,075
-2,000
-10% -$6.77K ﹤0.01% 3444
2025
Q3 		$57.6K Buy
20,075
+1,987
+11% +$5.44K ﹤0.01% 3436
2025
Q2 		$58.7K Buy
18,088
+8
+0% +$27 ﹤0.01% 3324
2025
Q1 		$61.5K Buy
18,080
+5
+0% +$22 ﹤0.01% 3272
2024
Q4 		$123K Sell
18,075
-218
-1% -$2.69K ﹤0.01% 3135
2024
Q3 		$249K Buy
18,293
+118
+0.6% +$1.43K ﹤0.01% 2736
2024
Q2 		$218K Hold
18,175
– – ﹤0.01% 2726
2024
Q1 		$229K Buy
18,175
+12,075
+198% +$156K ﹤0.01% 2653
2023
Q4 		$86.6K Sell
6,100
-2,500
-29% -$33.4K ﹤0.01% 2875
2023
Q3 		$107K Buy
8,600
+2,500
+41% +$41.9K ﹤0.01% 2667
2023
Q2 		$146K Hold
6,100
– – ﹤0.01% 2557
2023
Q1 		$288K Buy
6,100
+3,904
+178% +$134K ﹤0.01% 2105
2022
Q4 		$63K Hold
2,196
– – ﹤0.01% 2587
2022
Q3 		$62K Buy
+2,196
New +$64.2K ﹤0.01% 2287

Other funds holding SCWO

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $57.3B AUM 18.32% 1-Year Est. Return
HLA
Hamilton Lane Advisors Conshohocken, Pennsylvania $149M AUM 14.17% 1-Year Est. Return
DADC
D.A. Davidson & Co Great Falls, Montana $16.5B AUM 19.94% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
IWA
Icon Wealth Advisors Houston, Texas $1.54B AUM 18.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
SPC
Sigma Planning Corp Ann Arbor, Michigan $3.6B AUM 24.57% 1-Year Est. Return

Mariner's SCWO Position: Q1 2026 in Review

Mariner held its 374Water (SCWO) position steady in Q1 2026 at 18,075 shares worth $51.3K. The position accounts for ﹤0.01% of the portfolio, ranked #3421.

Mariner first reported a position in SCWO in Q3 2022 and has held it in 15 quarters since. The position peaked at $288K in Q1 2023. 47 funds tracked by Wall St. Rank hold SCWO as of Q1 2026.

  • Mariner held 18,075 shares of 374Water worth $51.3K as of Q1 2026.
  • Mariner left its 374Water share count unchanged in Q1 2026.
  • 374Water made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #3421 holding.
  • Mariner first reported a position in 374Water in Q3 2022 and has held it in 15 quarters since.
  • Mariner's 374Water position peaked at $288K in Q1 2023.
  • 47 funds tracked by Wall St. Rank held 374Water as of Q1 2026.

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