John Overdeck’s Rio Tinto RIO Stock Holding History

John Overdeck’s Portfolio RIO Stock Details RIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.66M	Buy	17,500 +8,500	+94%	+$862K	﹤0.01%	3165
2026 Q1	$840K	Buy	+9,000	New	+$820K	﹤0.01%	3393
2022 Q1	–	Sell	-65,000	Closed	-$4.35M	–	4044
2021 Q4	$4.35M	Buy	+65,000	New	+$4.21M	0.01%	1275
2019 Q4	–	Sell	-27,800	Closed	-$1.45M	–	3938
2019 Q3	$1.45M	Buy	27,800 +21,200	+321%	+$1.15M	﹤0.01%	1680
2019 Q2	$411K	Buy	+6,600	New	+$395K	﹤0.01%	2647
2018 Q1	–	Sell	-4,000	Closed	-$212K	–	3448
2017 Q4	$212K	Buy	+4,000	New	+$195K	﹤0.01%	2901
2017 Q1	–	Sell	-20,000	Closed	-$769K	–	3258
2016 Q4	$769K	Buy	+20,000	New	+$733K	﹤0.01%	2201

Other funds holding RIO

Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

State Farm Mutual Automobile Insurance Bloomington, Illinois $146B AUM 55.73% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

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

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

John Overdeck's RIO Position: Q2 2026 in Review

John Overdeck opened a new position in Rio Tinto (RIO) in Q2 2026: 438,396 shares worth $41.6M. The stake represents 0.03% of the portfolio and ranks #644 among its holdings. This is a return to the name: John Overdeck previously reported a position in RIO as recently as Q4 2025.

John Overdeck first reported a position in RIO in Q2 2013 and has held it in 37 quarters since. The position peaked at $119M in Q2 2019. 963 funds tracked by Wall St. Rank hold RIO as of Q2 2026.

John Overdeck held 438,396 shares of Rio Tinto worth $41.6M as of Q2 2026.
Rio Tinto was a new John Overdeck position in Q2 2026.
Rio Tinto made up 0.03% of John Overdeck's portfolio in Q2 2026, its #644 holding.
John Overdeck first reported a position in Rio Tinto in Q2 2013 and has held it in 37 quarters since.
John Overdeck's Rio Tinto position peaked at $119M in Q2 2019.
963 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2026.

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