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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 Hold
2,901
– – 0.11% 92
2026
Q1 		$271K Hold
2,901
– – 0.14% 79
2025
Q4 		$232K Buy
+2,901
New +$209K 0.11% 77

Other funds holding RIO

Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $146B AUM 55.73% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

William John Sempolinski's RIO Position: Q2 2026 in Review

William John Sempolinski held its Rio Tinto (RIO) position steady in Q2 2026 at 2,901 shares worth $275K. The position accounts for 0.11% of the portfolio, ranked #92.

William John Sempolinski first reported a position in RIO in Q4 2025 and has held it in 3 quarters since. 969 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.
  • William John Sempolinski left its Rio Tinto share count unchanged in Q2 2026.
  • Rio Tinto made up 0.11% of William John Sempolinski's portfolio in Q2 2026, its #92 holding.
  • William John Sempolinski first reported a position in Rio Tinto in Q4 2025 and has held it in 3 quarters since.
  • 969 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.