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ABC Arbitrage’s Rio Tinto RIO Stock Holding History

ABC Arbitrage’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 		$38.6M Buy
406,269
+126,462
+45% +$12.8M 4.16% 3
2026
Q1 		$26.1M Sell
279,807
-59,084
-17% -$5.39M 3.47% 8
2025
Q4 		$27.1M Sell
338,891
-56,530
-14% -$4.07M 2.54% 11
2025
Q3 		$26.1M Sell
395,421
-2,694
-0.7% -$167K 2.57% 10
2025
Q2 		$23.2M Buy
398,115
+118,428
+42% +$6.99M 2.65% 8
2025
Q1 		$16.8M Sell
279,687
-60,828
-18% -$3.74M 3.12% 5
2024
Q4 		$20M Buy
+340,515
New +$21.7M 2.87% 9

Other funds holding RIO

CAI
Capital Advisors Inc Tulsa, Oklahoma $6.8B AUM 26.96% 1-Year Est. Return
CAM
Cidel Asset Management Toronto, Ontario, Ontario, Canada $2.08B AUM 24.89% 1-Year Est. Return
CFB
Cullen/Frost Bankers San Antonio, Texas $10.1B AUM 29.18% 1-Year Est. Return
OHIS
Oak Harvest Investment Services Houston, Texas $1.07B AUM 42.34% 1-Year Est. Return
SW
SteelPeak Wealth Woodland Hills, California $3.86B AUM 48.92% 1-Year Est. Return
CFM
Capricorn Fund Managers London, United Kingdom $1.27B AUM 70.17% 1-Year Est. Return
BB
Bell Bank Fargo, North Dakota $2.62B AUM 23.93% 1-Year Est. Return
SWM
Segment Wealth Management Houston, Texas $1.93B AUM 29.24% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $43.3B AUM 29.3% 1-Year Est. Return
DADC
D.A. Davidson & Co Great Falls, Montana $18.1B AUM 24.63% 1-Year Est. Return

ABC Arbitrage's RIO Position: Q2 2026 in Review

ABC Arbitrage increased its Rio Tinto (RIO) stake by 45% in Q2 2026, buying an estimated $12.8M and bringing the position to 406,269 shares worth $38.6M. The position accounts for 4.16% of the portfolio, ranked #3.

ABC Arbitrage first reported a position in RIO in Q4 2024 and has held it in 7 quarters since. 327 funds tracked by Wall St. Rank hold RIO as of Q2 2026.

  • ABC Arbitrage held 406,269 shares of Rio Tinto worth $38.6M as of Q2 2026.
  • ABC Arbitrage bought 126,462 Rio Tinto shares in Q2 2026, an estimated $12.8M.
  • Rio Tinto made up 4.16% of ABC Arbitrage's portfolio in Q2 2026, its #3 holding.
  • ABC Arbitrage first reported a position in Rio Tinto in Q4 2024 and has held it in 7 quarters since.
  • 327 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2026.

Based on ABC Arbitrage's 13F filing for Q2 2026, filed 20 Jul 2026.