WILLIAM JOHN SEMPOLINSKI’s Rio Tinto RIO Stock Holding History

WILLIAM JOHN SEMPOLINSKI’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	$275K	Buy	+2,901	New	+$294K	0.11%	92

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

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

Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return

WILLIAM JOHN SEMPOLINSKI's RIO Position: Q2 2026 in Review

WILLIAM JOHN SEMPOLINSKI opened a new position in Rio Tinto (RIO) in Q2 2026: 2,901 shares worth $275K. The stake represents 0.11% of the portfolio and ranks #92 among its holdings.

917 funds tracked by Wall St. Rank hold RIO as of Q2 2026.

WILLIAM JOHN SEMPOLINSKI held 2,901 shares of Rio Tinto worth $275K as of Q2 2026.
Rio Tinto was a new WILLIAM JOHN SEMPOLINSKI position in Q2 2026.
Rio Tinto made up 0.11% of WILLIAM JOHN SEMPOLINSKI's portfolio in Q2 2026, its #92 holding.
917 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2026.

Based on WILLIAM JOHN SEMPOLINSKI's 13F filing for Q2 2026, filed 14 Aug 2026.