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Machina Capital’s Rivian RIVN Stock Holding History

Machina Capital’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 		$458K Buy
+26,394
New +$412K 0.07% 284
2025
Q4 		– Sell
-49,470
Closed -$726K – 407
2025
Q3 		$726K Buy
+49,470
New +$663K 0.13% 203
2024
Q2 		– Sell
-13,493
Closed -$148K – 342
2024
Q1 		$148K Buy
+13,493
New +$194K 0.08% 242

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

Machina Capital's RIVN Position: Q2 2026 in Review

Machina Capital opened a new position in Rivian (RIVN) in Q2 2026: 26,394 shares worth $458K. The stake represents 0.07% of the portfolio and ranks #284 among its holdings. This is a return to the name: Machina Capital previously reported a position in RIVN as recently as Q3 2025.

Machina Capital first reported a position in RIVN in Q1 2024 and has held it in 3 quarters since. The position peaked at $726K in Q3 2025. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • Machina Capital held 26,394 shares of Rivian worth $458K as of Q2 2026.
  • Rivian was a new Machina Capital position in Q2 2026.
  • Rivian made up 0.07% of Machina Capital's portfolio in Q2 2026, its #284 holding.
  • Machina Capital first reported a position in Rivian in Q1 2024 and has held it in 3 quarters since.
  • Machina Capital's Rivian position peaked at $726K in Q3 2025.
  • 817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on Machina Capital's 13F filing for Q2 2026, filed 10 Aug 2026.