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Mangrove Partners’s Rio Tinto RIO Stock Holding History

Mangrove Partners’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
Q1 		– Sell
-998,661
Closed -$79.9M – 564
2025
Q4 		$79.9M Hold
998,661
– – 6.51% 2
2025
Q3 		$65.9M Hold
998,661
– – 4.87% 3
2025
Q2 		$58.3M Hold
998,661
– – 6.25% 1
2025
Q1 		$60M Buy
998,661
+749,171
+300% +$46.1M 6.49% 1
2024
Q4 		$14.7M Hold
249,490
– – 1.62% 24
2024
Q3 		$17.8M Hold
249,490
– – 1.53% 24
2024
Q2 		$16.4M Buy
+249,490
New +$17M 1.26% 27

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Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Mangrove Partners's RIO Position: Q1 2026 in Review

Mangrove Partners sold out of Rio Tinto (RIO) in Q1 2026, closing a stake of 998,661 shares — an estimated $79.9M sold.

Mangrove Partners first reported a position in RIO in Q2 2024 and held it in 7 quarters. The position peaked at $79.9M in Q4 2025. 933 funds tracked by Wall St. Rank hold RIO as of Q1 2026.

  • Mangrove Partners reported no remaining Rio Tinto position as of Q1 2026 after selling out during the quarter.
  • Mangrove Partners sold 998,661 Rio Tinto shares in Q1 2026, an estimated $79.9M.
  • Mangrove Partners first reported a position in Rio Tinto in Q2 2024 and held it in 7 quarters.
  • Mangrove Partners's Rio Tinto position peaked at $79.9M in Q4 2025.
  • 933 funds tracked by Wall St. Rank held Rio Tinto as of Q1 2026.

Based on Mangrove Partners's 13F filing for Q1 2026, filed 15 May 2026.