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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
Q1 		– Sell
-4,500
Closed -$88.7K – 1153
2025
Q4 		$88.7K Hold
4,500
– – ﹤0.01% 859
2025
Q3 		$66.1K Sell
4,500
-21,000
-82% -$281K ﹤0.01% 881
2025
Q2 		$350K Buy
25,500
+21,000
+467% +$285K 0.02% 648
2025
Q1 		$56K Hold
4,500
– – ﹤0.01% 830
2024
Q4 		$59.9K Sell
4,500
-23,200
-84% -$267K ﹤0.01% 887
2024
Q3 		$311K Buy
+27,700
New +$398K 0.01% 597
2023
Q3 		– Sell
-5,000
Closed -$83.3K – 913
2023
Q2 		$83.3K Buy
+5,000
New +$69.9K 0.01% 752
2023
Q1 		– Sell
-18,200
Closed -$335K – 868
2022
Q4 		$335K Buy
18,200
+8,200
+82% +$241K 0.02% 490
2022
Q3 		$329K Buy
+10,000
New +$341K 0.02% 639

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.