IMC Chicago
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IMC Chicago’s Rio Tinto RIO Stock Holding History

IMC Chicago’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 		$5.17M Buy
+54,458
New +$5.52M ﹤0.01% 2064
2025
Q2 		– Sell
-22,305
Closed -$1.32M – 3543
2025
Q1 		$1.34M Buy
22,305
+6,873
+45% +$423K ﹤0.01% 2073
2024
Q4 		$908K Buy
+15,432
New +$986K ﹤0.01% 2417
2024
Q2 		– Sell
-16,773
Closed -$1.14M – 2762
2024
Q1 		$1.07M Buy
+16,773
New +$1.12M ﹤0.01% 1706
2019
Q1 		– Sell
-4,497
Closed -$218K – 846
2018
Q4 		$218K Buy
+4,497
New +$219K ﹤0.01% 821

Other funds holding RIO

Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
TAM
Todd Asset Management Louisville, Kentucky $5.63B AUM 45.28% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
MF
Milford Funds Auckland $6.14B AUM
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
CAI
Capital Advisors Inc Tulsa, Oklahoma $6.8B AUM 26.96% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
AA
ABC Arbitrage Paris, France $926M AUM 45.9% 1-Year Est. Return

IMC Chicago's RIO Position: Q2 2026 in Review

IMC Chicago opened a new position in Rio Tinto (RIO) in Q2 2026: 54,458 shares worth $5.17M. The stake represents ﹤0.01% of the portfolio and ranks #2064 among its holdings. This is a return to the name: IMC Chicago previously reported a position in RIO as recently as Q1 2025.

IMC Chicago first reported a position in RIO in Q4 2018 and has held it in 5 quarters since. 629 funds tracked by Wall St. Rank hold RIO as of Q2 2026.

  • IMC Chicago held 54,458 shares of Rio Tinto worth $5.17M as of Q2 2026.
  • Rio Tinto was a new IMC Chicago position in Q2 2026.
  • Rio Tinto made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #2064 holding.
  • IMC Chicago first reported a position in Rio Tinto in Q4 2018 and has held it in 5 quarters since.
  • 629 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.