SEI Investments’s Rivian RIVN Stock Holding History

SEI Investments’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	$11.2M	Buy	645,095 +23,100	+4%	+$360K	0.01%	1086
2026 Q1	$9.36M	Sell	621,995 -24,107	-4%	-$385K	0.01%	1177
2025 Q4	$12.7M	Buy	646,102 +50,492	+8%	+$802K	0.01%	946
2025 Q3	$8.74M	Buy	595,610 +19,313	+3%	+$259K	0.01%	1074
2025 Q2	$7.92M	Buy	576,297 +142,919	+33%	+$1.94M	0.01%	1071
2025 Q1	$5.4M	Buy	433,378 +129,078	+42%	+$1.62M	0.01%	1235
2024 Q4	$4.05M	Buy	304,300 +70,177	+30%	+$808K	0.01%	1392
2024 Q3	$2.63M	Buy	234,123 +53,277	+29%	+$765K	﹤0.01%	1559
2024 Q2	$2.43M	Buy	180,846 +40,714	+29%	+$425K	﹤0.01%	1550
2024 Q1	$1.53M	Sell	140,132 -192,153	-58%	-$2.77M	﹤0.01%	1730
2023 Q4	$7.8M	Buy	332,285 +1,922	+0.6%	+$36.1K	0.01%	993
2023 Q3	$8.02M	Buy	330,363 +104,581	+46%	+$2.44M	0.01%	949
2023 Q2	$3.76M	Sell	225,782 -19,409	-8%	-$271K	0.01%	1330
2023 Q1	$3.8M	Buy	245,191 +188,354	+331%	+$3.18M	0.01%	1320
2022 Q4	$1.05M	Sell	56,837 -558,581	-91%	-$16.4M	﹤0.01%	1739
2022 Q3	$20.3M	Buy	615,418 +506,001	+462%	+$17.2M	0.05%	459
2022 Q2	$2.82M	Buy	109,417 +77,740	+245%	+$2.43M	0.01%	1385
2022 Q1	$1.59M	Buy	31,677 +4,826	+18%	+$294K	﹤0.01%	1627
2021 Q4	$2.78M	Buy	+26,851	New	+$3.09M	0.01%	1437

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

SEI Investments's RIVN Position: Q2 2026 in Review

SEI Investments increased its Rivian (RIVN) stake by 3.7% in Q2 2026, buying an estimated $360K and bringing the position to 645,095 shares worth $11.2M. The position accounts for 0.01% of the portfolio, ranked #1086.

SEI Investments first reported a position in RIVN in Q4 2021 and has held it in 19 quarters since. The position peaked at $20.3M in Q3 2022. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

SEI Investments held 645,095 shares of Rivian worth $11.2M as of Q2 2026.
SEI Investments bought 23,100 Rivian shares in Q2 2026, an estimated $360K.
Rivian made up 0.01% of SEI Investments's portfolio in Q2 2026, its #1086 holding.
SEI Investments first reported a position in Rivian in Q4 2021 and has held it in 19 quarters since.
SEI Investments's Rivian position peaked at $20.3M in Q3 2022.
817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

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