Simplex Trading
RIVN icon

Simplex Trading’s Rivian RIVN Stock Holding History

Simplex Trading’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
Q1 		– Sell
-215,942
Closed -$3.45M – 9974
2025
Q4 		$4.26M Buy
215,942
+85,770
+66% +$1.36M ﹤0.01% 1405
2025
Q3 		$1.91M Buy
+130,172
New +$1.74M ﹤0.01% 2371
2025
Q2 		– Sell
-432,137
Closed -$5.86M – 9577
2025
Q1 		$5.38M Sell
432,137
-236,133
-35% -$2.97M ﹤0.01% 1267
2024
Q4 		$8.89M Sell
668,270
-33,637
-5% -$387K 0.01% 1105
2024
Q3 		$7.88M Buy
701,907
+501,061
+249% +$7.2M ﹤0.01% 1185
2024
Q2 		$2.69M Buy
+200,846
New +$2.1M ﹤0.01% 1940
2023
Q4 		– Sell
-719,240
Closed -$13.5M – 9668
2023
Q3 		$17.5M Buy
719,240
+568,355
+377% +$13.3M 0.01% 653
2023
Q2 		$2.51M Buy
+150,885
New +$2.11M ﹤0.01% 1789
2022
Q2 		– Sell
-32,658
Closed -$1.02M – 10906
2022
Q1 		$1.64M Buy
+32,658
New +$1.99M ﹤0.01% 2311

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

Simplex Trading's RIVN Position: Q1 2026 in Review

Simplex Trading sold out of Rivian (RIVN) in Q1 2026, closing a stake of 215,942 shares — an estimated $3.45M sold.

Simplex Trading first reported a position in RIVN in Q1 2022 and held it in 9 quarters. The position peaked at $17.5M in Q3 2023. 809 funds tracked by Wall St. Rank hold RIVN as of Q1 2026.

  • Simplex Trading reported no remaining Rivian position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 215,942 Rivian shares in Q1 2026, an estimated $3.45M.
  • Simplex Trading first reported a position in Rivian in Q1 2022 and held it in 9 quarters.
  • Simplex Trading's Rivian position peaked at $17.5M in Q3 2023.
  • 809 funds tracked by Wall St. Rank held Rivian as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.