Investment Management Corp of Ontario (IMCO)’s Rivian RIVN Stock Holding History

Investment Management Corp of Ontario (IMCO)’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	$889K	Sell	51,239 -5,600	-10%	-$87.3K	0.01%	576
2026 Q1	$855K	Sell	56,839 -17,134	-23%	-$274K	0.01%	588
2025 Q4	$1.46M	Buy	73,973 +37,592	+103%	+$597K	0.02%	498
2025 Q3	$534K	Buy	36,381 +17,148	+89%	+$230K	0.01%	581
2025 Q2	$264K	Sell	19,233 -2,200	-10%	-$29.8K	﹤0.01%	613
2025 Q1	$267K	Sell	21,433 -54,999	-72%	-$692K	0.01%	625
2024 Q4	$1.02M	Buy	76,432 +51,899	+212%	+$597K	0.03%	235
2024 Q3	$275K	Buy	24,533 +8,400	+52%	+$121K	0.01%	637
2024 Q2	$217K	Buy	16,133 +5,400	+50%	+$56.4K	0.01%	610
2024 Q1	$118K	Sell	10,733 -4,600	-30%	-$66.3K	﹤0.01%	600
2023 Q4	$360K	Buy	+15,333	New	+$288K	0.01%	540

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

Investment Management Corp of Ontario (IMCO)'s RIVN Position: Q2 2026 in Review

Investment Management Corp of Ontario (IMCO) reduced its Rivian (RIVN) stake by 9.9% in Q2 2026, selling an estimated $87.3K and leaving 51,239 shares worth $889K. The position accounts for 0.01% of the portfolio, ranked #576.

Investment Management Corp of Ontario (IMCO) first reported a position in RIVN in Q4 2023 and has held it in 11 quarters since. The position peaked at $1.46M in Q4 2025. 817 funds tracked by Wall St. Rank hold RIVN as of Q2 2026.

Investment Management Corp of Ontario (IMCO) held 51,239 shares of Rivian worth $889K as of Q2 2026.
Investment Management Corp of Ontario (IMCO) sold 5,600 Rivian shares in Q2 2026, an estimated $87.3K.
Rivian made up 0.01% of Investment Management Corp of Ontario (IMCO)'s portfolio in Q2 2026, its #576 holding.
Investment Management Corp of Ontario (IMCO) first reported a position in Rivian in Q4 2023 and has held it in 11 quarters since.
Investment Management Corp of Ontario (IMCO)'s Rivian position peaked at $1.46M in Q4 2025.
817 funds tracked by Wall St. Rank held Rivian as of Q2 2026.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q2 2026, filed 14 Aug 2026.