Boston Partners’s Rio Tinto RIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$4.93M Sell
52,025
-5,228
-9% -$530K ﹤0.01% 510
2026
Q1
$5.35M Buy
57,253
+1,412
+3% +$129K 0.01% 478
2025
Q4
$4.5M Buy
55,841
+13,163
+31% +$948K ﹤0.01% 479
2025
Q3
$2.83M Buy
+42,678
New +$2.64M ﹤0.01% 520
2025
Q1
Sell
-9,110
Closed -$536K 757
2024
Q4
$536K Sell
9,110
-93
-1% -$5.94K ﹤0.01% 636
2024
Q3
$654K Buy
9,203
+93
+1% +$5.97K ﹤0.01% 651
2024
Q2
$601K Buy
9,110
+1,936
+27% +$132K ﹤0.01% 642
2024
Q1
$457K Sell
7,174
-2,227
-24% -$149K ﹤0.01% 709
2023
Q4
$700K Buy
9,401
+48
+0.5% +$3.22K ﹤0.01% 582
2023
Q3
$595K Hold
9,353
﹤0.01% 617
2023
Q2
$597K Hold
9,353
﹤0.01% 599
2023
Q1
$642K Hold
9,353
﹤0.01% 574
2022
Q4
$666K Buy
9,353
+216
+2% +$13.6K ﹤0.01% 561
2022
Q3
$503K Buy
9,137
+183
+2% +$10.5K ﹤0.01% 599
2022
Q2
$546K Sell
8,954
-80
-0.9% -$5.73K ﹤0.01% 594
2022
Q1
$726K Buy
9,034
+341
+4% +$25.9K ﹤0.01% 587
2021
Q4
$582K Hold
8,693
﹤0.01% 595
2021
Q3
$581K Sell
8,693
-1,252
-13% -$97.7K ﹤0.01% 595
2021
Q2
$834K Sell
9,945
-186
-2% -$16K ﹤0.01% 567
2021
Q1
$787K Sell
10,131
-2,557
-20% -$210K ﹤0.01% 605
2020
Q4
$954K Sell
12,688
-8,533
-40% -$560K ﹤0.01% 550
2020
Q3
$1.28M Sell
21,221
-4,052
-16% -$249K ﹤0.01% 480
2020
Q2
$1.42M Sell
25,273
-3,566
-12% -$181K ﹤0.01% 471
2020
Q1
$1.31M Buy
28,839
+1,649
+6% +$84.6K ﹤0.01% 479
2019
Q4
$1.61M Sell
27,190
-7,484
-22% -$406K ﹤0.01% 529
2019
Q3
$1.81M Sell
34,674
-8,915
-20% -$484K ﹤0.01% 514
2019
Q2
$2.72M Sell
43,589
-4,281
-9% -$257K ﹤0.01% 479
2019
Q1
$2.82M Sell
47,870
-3,035,923
-98% -$167M ﹤0.01% 491
2018
Q4
$150M Sell
3,083,793
-44,312
-1% -$2.16M 0.21% 134
2018
Q3
$160M Sell
3,128,105
-75,912
-2% -$3.87M 0.19% 143
2018
Q2
$178M Buy
3,204,017
+3,075,360
+2,390% +$172M 0.21% 138
2018
Q1
$6.63M Sell
128,657
-1,773
-1% -$96.6K 0.01% 424
2017
Q4
$6.9M Sell
130,430
-9,421
-7% -$460K 0.01% 437
2017
Q3
$6.6M Sell
139,851
-5,673
-4% -$264K 0.01% 455
2017
Q2
$6.16M Sell
145,524
-22,553
-13% -$904K 0.01% 447
2017
Q1
$6.84M Buy
168,077
+2,600
+2% +$110K 0.01% 445
2016
Q4
$6.36M Buy
165,477
+136
+0.1% +$4.99K 0.01% 455
2016
Q3
$5.52M Hold
165,341
0.01% 481
2016
Q2
$5.17M Buy
165,341
+33,592
+25% +$1M 0.01% 486
2016
Q1
$3.73M Buy
131,749
+45,309
+52% +$1.21M 0.01% 519
2015
Q4
$2.52M Buy
+86,440
New +$2.92M ﹤0.01% 579

Other funds holding RIO

Boston Partners's RIO Position: Q2 2026 in Review

Boston Partners reduced its Rio Tinto (RIO) stake by 9.1% in Q2 2026, selling an estimated $530K and leaving 52,025 shares worth $4.93M. The position accounts for ﹤0.01% of the portfolio, ranked #510.

Boston Partners first reported a position in RIO in Q4 2015 and has held it in 41 quarters since. The position peaked at $178M in Q2 2018. 805 funds tracked by Wall St. Rank hold RIO as of Q2 2026.

  • Boston Partners held 52,025 shares of Rio Tinto worth $4.93M as of Q2 2026.
  • Boston Partners sold 5,228 Rio Tinto shares in Q2 2026, an estimated $530K.
  • Rio Tinto made up ﹤0.01% of Boston Partners's portfolio in Q2 2026, its #510 holding.
  • Boston Partners first reported a position in Rio Tinto in Q4 2015 and has held it in 41 quarters since.
  • Boston Partners's Rio Tinto position peaked at $178M in Q2 2018.
  • 805 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.