Mariner
RIOT icon

Mariner’s Riot Platforms RIOT Stock Holding History

Mariner’s Portfolio RIOT Stock Details RIOT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.43M Buy
161,744
+19,127
+13% +$431K ﹤0.01% 1091
2026
Q1 		$1.76M Buy
142,617
+52,420
+58% +$804K ﹤0.01% 1590
2025
Q4 		$1.14M Sell
90,197
-1,395
-2% -$23.9K ﹤0.01% 1857
2025
Q3 		$1.74M Buy
91,592
+53,765
+142% +$745K ﹤0.01% 1520
2025
Q2 		$427K Sell
37,827
-8,624
-19% -$73.3K ﹤0.01% 2461
2025
Q1 		$331K Buy
46,451
+15,422
+50% +$160K ﹤0.01% 2537
2024
Q4 		$317K Buy
31,029
+3,771
+14% +$41.1K ﹤0.01% 2578
2024
Q3 		$203K Buy
27,258
+6,348
+30% +$55K ﹤0.01% 2927
2024
Q2 		$191K Buy
20,910
+899
+4% +$9.07K ﹤0.01% 2811
2024
Q1 		$245K Sell
20,011
-11,057
-36% -$144K ﹤0.01% 2603
2023
Q4 		$481K Sell
31,068
-1,826
-6% -$22K ﹤0.01% 1957
2023
Q3 		$307K Sell
32,894
-1,935
-6% -$26.6K ﹤0.01% 2133
2023
Q2 		$412K Buy
34,829
+7,263
+26% +$81.3K ﹤0.01% 1885
2023
Q1 		$275K Buy
27,566
+6,869
+33% +$44.7K ﹤0.01% 2139
2022
Q4 		$70K Buy
20,697
+3,358
+19% +$17.3K ﹤0.01% 2578
2022
Q3 		$122K Buy
+17,339
New +$122K ﹤0.01% 2164
2022
Q2 		– Sell
-17,725
Closed -$375K – 1433
2022
Q1 		$375K Buy
17,725
+5,801
+49% +$105K ﹤0.01% 1226
2021
Q4 		$266K Buy
+11,924
New +$355K ﹤0.01% 1117

Other funds holding RIOT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
SV
Starboard Value New York $4.52B AUM 19.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Mariner's RIOT Position: Q2 2026 in Review

Mariner increased its Riot Platforms (RIOT) stake by 13% in Q2 2026, buying an estimated $431K and bringing the position to 161,744 shares worth $4.43M. The position accounts for ﹤0.01% of the portfolio, ranked #1091.

Mariner first reported a position in RIOT in Q4 2021 and has held it in 18 quarters since. 448 funds tracked by Wall St. Rank hold RIOT as of Q2 2026.

  • Mariner held 161,744 shares of Riot Platforms worth $4.43M as of Q2 2026.
  • Mariner bought 19,127 Riot Platforms shares in Q2 2026, an estimated $431K.
  • Riot Platforms made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1091 holding.
  • Mariner first reported a position in Riot Platforms in Q4 2021 and has held it in 18 quarters since.
  • 448 funds tracked by Wall St. Rank held Riot Platforms as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.