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SummitTX Capital’s Rivian RIVN Stock Holding History

SummitTX 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 		$193K Sell
11,148
-14,529
-57% -$227K 0.01% 718
2026
Q1 		$386K Buy
+25,677
New +$410K 0.01% 604
2025
Q3 		– Sell
-12,203
Closed -$168K – 947
2025
Q2 		$168K Buy
+12,203
New +$166K 0.01% 707

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

SummitTX Capital's RIVN Position: Q2 2026 in Review

SummitTX Capital reduced its Rivian (RIVN) stake by 57% in Q2 2026, selling an estimated $227K and leaving 11,148 shares worth $193K. The position accounts for 0.01% of the portfolio, ranked #718.

SummitTX Capital first reported a position in RIVN in Q2 2025 and has held it in 3 quarters since. The position peaked at $386K in Q1 2026. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • SummitTX Capital held 11,148 shares of Rivian worth $193K as of Q2 2026.
  • SummitTX Capital sold 14,529 Rivian shares in Q2 2026, an estimated $227K.
  • Rivian made up 0.01% of SummitTX Capital's portfolio in Q2 2026, its #718 holding.
  • SummitTX Capital first reported a position in Rivian in Q2 2025 and has held it in 3 quarters since.
  • SummitTX Capital's Rivian position peaked at $386K in Q1 2026.
  • 817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on SummitTX Capital's 13F filing for Q2 2026, filed 14 Aug 2026.