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Woodline Partners’s Rivian RIVN Stock Holding History

Woodline Partners’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 		$8.51M Buy
565,252
+550,895
+3,837% +$8.81M 0.03% 552
2025
Q4 		$283K Buy
+14,357
New +$228K ﹤0.01% 965
2025
Q3 		– Sell
-420,868
Closed -$5.78M – 1021
2025
Q2 		$5.78M Buy
+420,868
New +$5.71M 0.03% 530

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

Woodline Partners's RIVN Position: Q1 2026 in Review

Woodline Partners increased its Rivian (RIVN) stake by 3,837% in Q1 2026, buying an estimated $8.81M and bringing the position to 565,252 shares worth $8.51M. The position accounts for 0.03% of the portfolio, ranked #552.

Woodline Partners first reported a position in RIVN in Q2 2025 and has held it in 3 quarters since. 805 funds tracked by Wall St. Rank hold RIVN as of Q1 2026.

  • Woodline Partners held 565,252 shares of Rivian worth $8.51M as of Q1 2026.
  • Woodline Partners bought 550,895 Rivian shares in Q1 2026, an estimated $8.81M.
  • Rivian made up 0.03% of Woodline Partners's portfolio in Q1 2026, its #552 holding.
  • Woodline Partners first reported a position in Rivian in Q2 2025 and has held it in 3 quarters since.
  • 805 funds tracked by Wall St. Rank held Rivian as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.