Castleark Management’s Rio Tinto RIO Stock Holding History

Castleark Management’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
2025 Q2	–	Sell	-2,780	Closed	-$167K	–	325
2025 Q1	$167K	Hold	2,780	–	–	0.01%	259
2024 Q4	$163K	Hold	2,780	–	–	0.01%	262
2024 Q3	$198K	Hold	2,780	–	–	0.01%	242
2024 Q2	$183K	Hold	2,780	–	–	0.01%	240
2024 Q1	$177K	Sell	2,780 -128,190	-98%	-$8.58M	0.01%	253
2023 Q4	$9.75M	Hold	130,970	–	–	0.43%	41
2023 Q3	$8.33M	Buy	130,970 +128,190	+4,611%	+$8.18M	0.42%	43
2023 Q2	$177K	Sell	2,780 -2,790	-50%	-$179K	0.01%	250
2023 Q1	$382K	Hold	5,570	–	–	0.02%	233
2022 Q4	$397K	Hold	5,570	–	–	0.02%	239
2022 Q3	$307K	Hold	5,570	–	–	0.02%	247
2022 Q2	$340K	Hold	5,570	–	–	0.02%	238
2022 Q1	$448K	Hold	5,570	–	–	0.02%	250
2021 Q4	$373K	Buy	5,570 +2,500	+81%	+$162K	0.01%	284
2021 Q3	$205K	Sell	3,070 -1,500	-33%	-$117K	0.01%	295
2021 Q2	$383K	Sell	4,570 -6,900	-60%	-$593K	0.01%	269
2021 Q1	$891K	Sell	11,470 -7,180	-38%	-$589K	0.03%	222
2020 Q4	$1.4M	Hold	18,650	–	–	0.05%	215
2020 Q3	$1.13M	Buy	+18,650	New	+$1.14M	0.04%	214

Other funds holding RIO

Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return

State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

JAG

Journey Advisory Group Covington, Kentucky $1.17B AUM 20.21% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Castleark Management's RIO Position: Q2 2025 in Review

Castleark Management sold out of Rio Tinto (RIO) in Q2 2025, closing a stake of 2,780 shares — an estimated $167K sold.

Castleark Management first reported a position in RIO in Q3 2020 and held it in 19 quarters. The position peaked at $9.75M in Q4 2023. 743 funds tracked by Wall St. Rank hold RIO as of Q2 2025.

Castleark Management reported no remaining Rio Tinto position as of Q2 2025 after selling out during the quarter.
Castleark Management sold 2,780 Rio Tinto shares in Q2 2025, an estimated $167K.
Castleark Management first reported a position in Rio Tinto in Q3 2020 and held it in 19 quarters.
Castleark Management's Rio Tinto position peaked at $9.75M in Q4 2023.
743 funds tracked by Wall St. Rank held Rio Tinto as of Q2 2025.

Based on Castleark Management's 13F filing for Q2 2025, filed 18 Aug 2025.