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Marex Group’s Rivian RIVN Stock Holding History

Marex Group’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 		$30.9M Buy
1,778,716
+689,289
+63% +$10.8M 0.13% 119
2026
Q1 		$16.4M Buy
1,089,427
+99,148
+10% +$1.58M 0.1% 137
2025
Q4 		$19.5M Buy
990,279
+49,322
+5% +$783K 0.12% 127
2025
Q3 		$13.8M Buy
940,957
+733,067
+353% +$9.82M 0.1% 125
2025
Q2 		$2.86M Buy
207,890
+195,218
+1,541% +$2.65M 0.02% 202
2025
Q1 		$158K Buy
+12,672
New +$159K ﹤0.01% 596
2024
Q1 		– Sell
-21,180
Closed -$497K – 648
2023
Q4 		$497K Buy
+21,180
New +$398K 0.02% 299

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

Marex Group's RIVN Position: Q2 2026 in Review

Marex Group increased its Rivian (RIVN) stake by 63% in Q2 2026, buying an estimated $10.8M and bringing the position to 1,778,716 shares worth $30.9M. The position accounts for 0.13% of the portfolio, ranked #119.

Marex Group first reported a position in RIVN in Q4 2023 and has held it in 7 quarters since. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • Marex Group held 1,778,716 shares of Rivian worth $30.9M as of Q2 2026.
  • Marex Group bought 689,289 Rivian shares in Q2 2026, an estimated $10.8M.
  • Rivian made up 0.13% of Marex Group's portfolio in Q2 2026, its #119 holding.
  • Marex Group first reported a position in Rivian in Q4 2023 and has held it in 7 quarters since.
  • 817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on Marex Group's 13F filing for Q2 2026, filed 14 Aug 2026.