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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 		$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 $2.63B AUM 20.53% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

CSS LLC's RIVN Position: Q1 2026 in Review

CSS LLC opened a new position in Rivian (RIVN) in Q1 2026: 1,000 shares worth $15.1K. The stake represents ﹤0.01% of the portfolio and ranks #922 among its holdings. This is a return to the name: CSS LLC previously reported a position in RIVN as recently as Q1 2025.

CSS LLC first reported a position in RIVN in Q3 2023 and has held it in 7 quarters since. The position peaked at $1.71M in Q3 2023. 806 funds tracked by Wall St. Rank hold RIVN as of Q1 2026.

  • CSS LLC held 1,000 shares of Rivian worth $15.1K as of Q1 2026.
  • Rivian was a new CSS LLC position in Q1 2026.
  • Rivian made up ﹤0.01% of CSS LLC's portfolio in Q1 2026, its #922 holding.
  • CSS LLC first reported a position in Rivian in Q3 2023 and has held it in 7 quarters since.
  • CSS LLC's Rivian position peaked at $1.71M in Q3 2023.
  • 806 funds tracked by Wall St. Rank held Rivian as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.