Ken Griffin’s Rivian RIVN Stock Holding History
Bought
Maintained
Sold
Other funds holding RIVN
ACI
VCM
VPM
Ken Griffin's RIVN Position: Q1 2026 in Review
Ken Griffin increased its Rivian (RIVN) stake by 124% in Q1 2026, buying an estimated $19.9M and bringing the position to 2,249,760 shares worth $33.9M. The position accounts for 0.01% of the portfolio, ranked #1733.
Ken Griffin first reported a position in RIVN in Q4 2021 and has held it in 18 quarters since. The position peaked at $109M in Q2 2023. 807 funds tracked by Wall St. Rank hold RIVN as of Q1 2026.
- Ken Griffin held 2,249,760 shares of Rivian worth $33.9M as of Q1 2026.
- Ken Griffin bought 1,247,088 Rivian shares in Q1 2026, an estimated $19.9M.
- Rivian made up 0.01% of Ken Griffin's portfolio in Q1 2026, its #1733 holding.
- Ken Griffin first reported a position in Rivian in Q4 2021 and has held it in 18 quarters since.
- Ken Griffin's Rivian position peaked at $109M in Q2 2023.
- 807 funds tracked by Wall St. Rank held Rivian as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.