O'Brien Greene & Co’s Rio Tinto RIO Stock Holding History
Bought
Maintained
Sold
Other funds holding RIO
O'Brien Greene & Co's RIO Position: Q2 2026 in Review
O'Brien Greene & Co increased its Rio Tinto (RIO) stake by 7.9% in Q2 2026, buying an estimated $122K and bringing the position to 16,320 shares worth $1.55M. The position accounts for 0.43% of the portfolio, ranked #43.
O'Brien Greene & Co first reported a position in RIO in Q4 2020 and has held it in 23 quarters since. The position peaked at $1.91M in Q3 2022. 966 funds tracked by Wall St. Rank hold RIO as of Q2 2026.
- O'Brien Greene & Co held 16,320 shares of Rio Tinto worth $1.55M as of Q2 2026.
- O'Brien Greene & Co bought 1,200 Rio Tinto shares in Q2 2026, an estimated $122K.
- Rio Tinto made up 0.43% of O'Brien Greene & Co's portfolio in Q2 2026, its #43 holding.
- O'Brien Greene & Co first reported a position in Rio Tinto in Q4 2020 and has held it in 23 quarters since.
- O'Brien Greene & Co's Rio Tinto position peaked at $1.91M in Q3 2022.
- 966 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2026.
Based on O'Brien Greene & Co's 13F filing for Q2 2026, filed 6 Aug 2026.