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RIVN icon

CSS LLC’s Rivian RIVN Stock Holding History

CSS LLC’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 		$2.65M Sell
153,000
-50,000
-25% -$780K 0.1% 151
2026
Q1 		$3.06M Sell
203,000
-152,600
-43% -$2.44M 0.15% 120
2025
Q4 		$7.01M Buy
355,600
+8,900
+3% +$141K 0.31% 62
2025
Q3 		$5.09M Sell
346,700
-26,000
-7% -$348K 0.23% 80
2025
Q2 		$5.12M Sell
372,700
-161,500
-30% -$2.19M 0.24% 77
2025
Q1 		$6.65M Buy
534,200
+38,900
+8% +$490K 0.37% 52
2024
Q4 		$6.59M Buy
495,300
+20,000
+4% +$230K 0.29% 63
2024
Q3 		$5.33M Buy
475,300
+65,000
+16% +$934K 0.24% 81
2024
Q2 		$5.51M Buy
410,300
+10,700
+3% +$112K 0.28% 60
2024
Q1 		$4.38M Buy
399,600
+272,900
+215% +$3.93M 0.25% 68
2023
Q4 		$2.97M Sell
126,700
-18,300
-13% -$344K 0.17% 103
2023
Q3 		$3.52M Buy
145,000
+16,500
+13% +$385K 0.23% 82
2023
Q2 		$2.14M Buy
128,500
+43,500
+51% +$608K 0.13% 125
2023
Q1 		$1.32M Buy
+85,000
New +$1.44M 0.09% 184
2022
Q4 		– Sell
-15,300
Closed -$503K – 1075
2022
Q3 		$503K Buy
+15,300
New +$521K 0.02% 521

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

CSS LLC's RIVN Position: Q2 2026 in Review

CSS LLC increased its Rivian (RIVN) stake by 191% in Q2 2026, buying an estimated $29.8K and bringing the position to 2,912 shares worth $50.5K. The position accounts for ﹤0.01% of the portfolio, ranked #907.

CSS LLC first reported a position in RIVN in Q3 2023 and has held it in 8 quarters since. The position peaked at $1.71M in Q3 2023. 822 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • CSS LLC held 2,912 shares of Rivian worth $50.5K as of Q2 2026.
  • CSS LLC bought 1,912 Rivian shares in Q2 2026, an estimated $29.8K.
  • Rivian made up ﹤0.01% of CSS LLC's portfolio in Q2 2026, its #907 holding.
  • CSS LLC first reported a position in Rivian in Q3 2023 and has held it in 8 quarters since.
  • CSS LLC's Rivian position peaked at $1.71M in Q3 2023.
  • 822 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.