Winthrop Capital Management’s Rivian RIVN Stock Holding History

Winthrop Capital 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	$2K	Hold	100	–	–	﹤0.01%	292
2026 Q1	$2K	Hold	100	–	–	﹤0.01%	289
2025 Q4	$2K	Hold	100	–	–	﹤0.01%	297
2025 Q3	$1K	Hold	100	–	–	﹤0.01%	317
2025 Q2	$1K	Hold	100	–	–	﹤0.01%	326
2025 Q1	$1K	Sell	100 -71	-42%	-$894	﹤0.01%	304
2024 Q4	$2K	Hold	171	–	–	﹤0.01%	264
2024 Q3	$2K	Buy	171 +25	+17%	+$359	﹤0.01%	134
2024 Q2	$2K	Hold	146	–	–	﹤0.01%	125
2024 Q1	$2K	Buy	146 +46	+46%	+$663	﹤0.01%	132
2023 Q4	$2.35K	Buy	+100	New	+$1.88K	﹤0.01%	232

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

Winthrop Capital Management's RIVN Position: Q2 2026 in Review

Winthrop Capital Management held its Rivian (RIVN) position steady in Q2 2026 at 100 shares worth $2K. The position accounts for ﹤0.01% of the portfolio, ranked #292.

Winthrop Capital Management first reported a position in RIVN in Q4 2023 and has held it in 11 quarters since. The position peaked at $2.35K in Q4 2023. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

Winthrop Capital Management held 100 shares of Rivian worth $2K as of Q2 2026.
Winthrop Capital Management left its Rivian share count unchanged in Q2 2026.
Rivian made up ﹤0.01% of Winthrop Capital Management's portfolio in Q2 2026, its #292 holding.
Winthrop Capital Management first reported a position in Rivian in Q4 2023 and has held it in 11 quarters since.
Winthrop Capital Management's Rivian position peaked at $2.35K in Q4 2023.
817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

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