T
RIVN icon

Tidemark’s Rivian RIVN Stock Holding History

Tidemark’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 		$97K Hold
5,593
– – 0.02% 225
2026
Q1 		$84.2K Hold
5,593
– – 0.02% 215
2025
Q4 		$110K Hold
5,593
– – 0.03% 175
2025
Q3 		$82.1K Hold
5,593
– – 0.02% 199
2025
Q2 		$76.8K Buy
5,593
+1,621
+41% +$22K 0.02% 197
2025
Q1 		$49.5K Buy
3,972
+2,843
+252% +$35.8K 0.02% 244
2024
Q4 		$15K Hold
1,129
– – 0.01% 388
2024
Q3 		$12.7K Hold
1,129
– – 0.01% 407
2024
Q2 		$15.2K Buy
1,129
+264
+31% +$2.76K 0.01% 361
2024
Q1 		$9.47K Hold
865
– – 0.01% 455
2023
Q4 		$20.3K Buy
+865
New +$16.3K 0.01% 329

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

Tidemark's RIVN Position: Q2 2026 in Review

Tidemark held its Rivian (RIVN) position steady in Q2 2026 at 5,593 shares worth $97K. The position accounts for 0.02% of the portfolio, ranked #225.

Tidemark first reported a position in RIVN in Q4 2023 and has held it in 11 quarters since. The position peaked at $110K in Q4 2025. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

  • Tidemark held 5,593 shares of Rivian worth $97K as of Q2 2026.
  • Tidemark left its Rivian share count unchanged in Q2 2026.
  • Rivian made up 0.02% of Tidemark's portfolio in Q2 2026, its #225 holding.
  • Tidemark first reported a position in Rivian in Q4 2023 and has held it in 11 quarters since.
  • Tidemark's Rivian position peaked at $110K in Q4 2025.
  • 817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

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