JO
RIVN icon

John Overdeck’s Rivian RIVN Stock Holding History

John Overdeck’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 		$4.89M Buy
281,600
+34,900
+14% +$544K ﹤0.01% 2171
2026
Q1 		$3.71M Buy
246,700
+69,200
+39% +$1.11M ﹤0.01% 2236
2025
Q4 		$3.5M Buy
177,500
+158,600
+839% +$2.52M ﹤0.01% 2025
2025
Q3 		$277K Buy
+18,900
New +$253K ﹤0.01% 3251

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

John Overdeck's RIVN Position: Q2 2026 in Review

John Overdeck increased its Rivian (RIVN) stake by 101% in Q2 2026, buying an estimated $150M and bringing the position to 19,178,109 shares worth $333M. The position accounts for 0.24% of the portfolio, ranked #79.

John Overdeck first reported a position in RIVN in Q4 2022 and has held it in 10 quarters since. 815 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • John Overdeck held 19,178,109 shares of Rivian worth $333M as of Q2 2026.
  • John Overdeck bought 9,624,687 Rivian shares in Q2 2026, an estimated $150M.
  • Rivian made up 0.24% of John Overdeck's portfolio in Q2 2026, its #79 holding.
  • John Overdeck first reported a position in Rivian in Q4 2022 and has held it in 10 quarters since.
  • 815 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.