Mariner
RIVN icon

Mariner’s Rivian RIVN Stock Holding History

Mariner’s Portfolio RIVN Stock Details RIVN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$220K Buy
+12,657
New +$197K ﹤0.01% 3078
2026
Q1 		– Sell
-192,747
Closed -$3.8M – 3772
2025
Q4 		$3.8M Sell
192,747
-25,271
-12% -$401K ﹤0.01% 1142
2025
Q3 		$3.2M Buy
218,018
+10,124
+5% +$136K ﹤0.01% 1153
2025
Q2 		$2.86M Buy
207,894
+14,654
+8% +$199K ﹤0.01% 1127
2025
Q1 		$2.41M Sell
193,240
-8,738
-4% -$110K ﹤0.01% 1142
2024
Q4 		$2.69M Sell
201,978
-6,469
-3% -$74.5K ﹤0.01% 1063
2024
Q3 		$2.34M Buy
208,447
+55,667
+36% +$800K ﹤0.01% 1110
2024
Q2 		$2.05M Sell
152,780
-9,116
-6% -$95.3K ﹤0.01% 1095
2024
Q1 		$1.77M Buy
161,896
+48,644
+43% +$701K ﹤0.01% 1179
2023
Q4 		$2.66M Buy
113,252
+31,295
+38% +$588K 0.01% 931
2023
Q3 		$1.99M Buy
81,957
+12,683
+18% +$296K 0.01% 977
2023
Q2 		$1.15M Buy
69,274
+34,458
+99% +$481K ﹤0.01% 1220
2023
Q1 		$538K Sell
34,816
-16,126
-32% -$272K ﹤0.01% 1644
2022
Q4 		$939K Buy
50,942
+6,880
+16% +$203K ﹤0.01% 1277
2022
Q3 		$1.45M Buy
44,062
+26,118
+146% +$890K 0.01% 901
2022
Q2 		$462K Buy
17,944
+7,515
+72% +$235K ﹤0.01% 1155
2022
Q1 		$524K Buy
+10,429
New +$635K ﹤0.01% 1128

Other funds holding RIVN

ACI
Amazon.com Inc Seattle, Washington $4.42B AUM 22.6% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
SPC
Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
U
Uber San Francisco, California $4.51B AUM 1.92% 1-Year Est. Return

Mariner's RIVN Position: Q2 2026 in Review

Mariner opened a new position in Rivian (RIVN) in Q2 2026: 12,657 shares worth $220K. The stake represents ﹤0.01% of the portfolio and ranks #3078 among its holdings. This is a return to the name: Mariner previously reported a position in RIVN as recently as Q4 2025.

Mariner first reported a position in RIVN in Q1 2022 and has held it in 17 quarters since. The position peaked at $3.8M in Q4 2025. 819 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • Mariner held 12,657 shares of Rivian worth $220K as of Q2 2026.
  • Rivian was a new Mariner position in Q2 2026.
  • Rivian made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3078 holding.
  • Mariner first reported a position in Rivian in Q1 2022 and has held it in 17 quarters since.
  • Mariner's Rivian position peaked at $3.8M in Q4 2025.
  • 819 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

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