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O'Brien Greene & Co’s Rio Tinto RIO Stock Holding History

O'Brien Greene & Co’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 		$1.41M Buy
15,120
+1,250
+9% +$114K 0.4% 44
2025
Q4 		$1.11M Hold
13,870
– – 0.33% 51
2025
Q3 		$916K Sell
13,870
-240
-2% -$14.8K 0.28% 52
2025
Q2 		$823K Hold
14,110
– – 0.27% 60
2025
Q1 		$848K Sell
14,110
-550
-4% -$33.9K 0.28% 53
2024
Q4 		$862K Buy
14,660
+29
+0.2% +$1.85K 0.28% 59
2024
Q3 		$1.04M Buy
14,631
+510
+4% +$32.8K 0.32% 56
2024
Q2 		$931K Buy
14,121
+150
+1% +$10.2K 0.29% 56
2024
Q1 		$891K Sell
13,971
-19
-0.1% -$1.27K 0.29% 61
2023
Q4 		$1.04M Sell
13,990
-300
-2% -$20.1K 0.37% 50
2023
Q3 		$909K Buy
14,290
+400
+3% +$25.5K 0.33% 55
2023
Q2 		$886K Buy
13,890
+500
+4% +$32.1K 0.31% 55
2023
Q1 		$918K Buy
13,390
+1,095
+9% +$79.5K 0.34% 56
2022
Q4 		$875K Sell
12,295
-22,295
-64% -$1.4M 0.33% 53
2022
Q3 		$1.91M Buy
34,590
+23,355
+208% +$1.35M 0.25% 63
2022
Q2 		$685K Buy
11,235
+175
+2% +$12.5K 0.26% 61
2022
Q1 		$889K Hold
11,060
– – 0.29% 59
2021
Q4 		$741K Buy
11,060
+1,465
+15% +$94.8K 0.24% 71
2021
Q3 		$641K Buy
9,595
+200
+2% +$15.6K 0.23% 73
2021
Q2 		$788K Buy
9,395
+1,020
+12% +$87.7K 0.28% 65
2021
Q1 		$650K Buy
8,375
+3,375
+68% +$277K 0.26% 73
2020
Q4 		$376K Buy
+5,000
New +$328K 0.15% 93

Other funds holding RIO

Fisher Asset Management
Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
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

O'Brien Greene & Co's RIO Position: Q1 2026 in Review

O'Brien Greene & Co increased its Rio Tinto (RIO) stake by 9% in Q1 2026, buying an estimated $114K and bringing the position to 15,120 shares worth $1.41M. The position accounts for 0.4% of the portfolio, ranked #44.

O'Brien Greene & Co first reported a position in RIO in Q4 2020 and has held it in 22 quarters since. The position peaked at $1.91M in Q3 2022. 932 funds tracked by Wall St. Rank hold RIO as of Q1 2026.

  • O'Brien Greene & Co held 15,120 shares of Rio Tinto worth $1.41M as of Q1 2026.
  • O'Brien Greene & Co bought 1,250 Rio Tinto shares in Q1 2026, an estimated $114K.
  • Rio Tinto made up 0.4% of O'Brien Greene & Co's portfolio in Q1 2026, its #44 holding.
  • O'Brien Greene & Co first reported a position in Rio Tinto in Q4 2020 and has held it in 22 quarters since.
  • O'Brien Greene & Co's Rio Tinto position peaked at $1.91M in Q3 2022.
  • 932 funds tracked by Wall St. Rank held Rio Tinto as of Q1 2026.

Based on O'Brien Greene & Co's 13F filing for Q1 2026, filed 6 May 2026.