1248 Management’s Rivian RIVN Stock Holding History

1248 Management’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	$454K	Hold	26,175	–	–	0.18%	67
2026 Q1	$394K	Hold	26,175	–	–	0.18%	65
2025 Q4	$516K	Hold	26,175	–	–	0.28%	60
2025 Q3	$384K	Hold	26,175	–	–	0.22%	66
2025 Q2	$360K	Hold	26,175	–	–	0.13%	78
2025 Q1	$326K	Hold	26,175	–	–	0.14%	72
2024 Q4	$348K	Buy	+26,175	New	+$301K	0.15%	73

Other funds holding RIVN

ACI

Amazon.com Inc Seattle, Washington $4.42B AUM 22.6% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 New York $210B AUM 57.28% 1-Year Est. Return

Uber San Francisco, California $4.51B AUM 1.92% 1-Year Est. Return

1248 Management's RIVN Position: Q2 2026 in Review

1248 Management held its Rivian (RIVN) position steady in Q2 2026 at 26,175 shares worth $454K. The position accounts for 0.18% of the portfolio, ranked #67.

1248 Management first reported a position in RIVN in Q4 2024 and has held it in 7 quarters since. The position peaked at $516K in Q4 2025. 822 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

1248 Management held 26,175 shares of Rivian worth $454K as of Q2 2026.
1248 Management left its Rivian share count unchanged in Q2 2026.
Rivian made up 0.18% of 1248 Management's portfolio in Q2 2026, its #67 holding.
1248 Management first reported a position in Rivian in Q4 2024 and has held it in 7 quarters since.
1248 Management's Rivian position peaked at $516K in Q4 2025.
822 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on 1248 Management's 13F filing for Q2 2026, filed 13 Aug 2026.