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
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
SV
Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Mariner's RIOT Position: Q1 2026 in Review

Mariner increased its Riot Platforms (RIOT) stake by 58% in Q1 2026, buying an estimated $804K and bringing the position to 142,617 shares worth $1.76M. The position accounts for ﹤0.01% of the portfolio, ranked #1590.

Mariner first reported a position in RIOT in Q4 2021 and has held it in 17 quarters since. 402 funds tracked by Wall St. Rank hold RIOT as of Q1 2026.

  • Mariner held 142,617 shares of Riot Platforms worth $1.76M as of Q1 2026.
  • Mariner bought 52,420 Riot Platforms shares in Q1 2026, an estimated $804K.
  • Riot Platforms made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1590 holding.
  • Mariner first reported a position in Riot Platforms in Q4 2021 and has held it in 17 quarters since.
  • 402 funds tracked by Wall St. Rank held Riot Platforms as of Q1 2026.

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