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Rio Tinto
RIO

766 hedge funds and large institutions have $8.15B invested in Rio Tinto in 2025 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 311 increasing their positions, 225 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

86% more funds holding in top 10

Funds holding in top 10: 7 → 13 (+6)

48% more first-time investments, than exits

New positions opened: 99 | Existing positions closed: 67

38% more repeat investments, than reductions

Existing positions increased: 311 | Existing positions reduced: 225

14% more capital invested

Capital invested by funds: $7.12B → $8.15B (+$1.03B)

3% more funds holding

Funds holding: 743 → 766 (+23)

8% more call options, than puts

Call options by funds: $464M | Put options by funds: $430M

0.12% more ownership

Funds ownership: 9.73% → 9.85% (+0.12%)

Holders
766
Holders Change
+23
Holders Change %
+3.1%
% of All Funds
10.05%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.17%
New
99
Increased
311
Reduced
225
Closed
67
Calls
$464M
Puts
$430M
Net Calls
+$33.6M
Net Calls Change
-$18.5M

Top Buyers

1
Goldman Sachs
Goldman Sachs
New York
+$99M
2
JP Morgan Chase
JP Morgan Chase
New York
+$91.3M
3
Citigroup
Citigroup
New York
+$90.9M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$88.7M
5
Neuberger Berman Group
Neuberger Berman Group
New York
+$88.1M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$245M
2
Franklin Resources
Franklin Resources
California
-$232M
3
Capital World Investors
Capital World Investors
California
-$166M
4
Morgan Stanley
Morgan Stanley
New York
-$67.2M
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$47.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
CI
751
CX Institutional
Indiana
$1K – – –
SC
752
Sawyer & Company
Massachusetts
$1K – – –
DF
753
DecisionPoint Financial
Arizona
$929 +$866 +14 New
GIM
754
Gold Investment Management
Alberta, Canada
$792 – – –
AWM
755
Abound Wealth Management
Tennessee
$529 – – –
MAS
756
MPWM Advisory Solutions
Georgia
$528 – – –
SC
757
SouthState Corp
Florida
$331 -$30.9K -500 -99%
PAM
758
Palisade Asset Management
Minnesota
$331 +$309 +5 New
TPBG
759
Turning Point Benefit Group
Maryland
$331 +$309 +5 New
BFS
760
Bare Financial Services
Pennsylvania
$330 -$5.94K -96 -95%
AWM
761
Activest Wealth Management
Florida
$264 – – –
FGAM
762
Financial Gravity Asset Management
Texas
$198 +$186 +3 New
BMC
763
Bear Mountain Capital
Washington
$137 +$124 +2 New
FPF
764
First Pacific Financial
Washington
$133 +$124 +2 New
CAM
765
Creekmur Asset Management
Illinois
$114 – – –
Capital World Investors
766
Capital World Investors
California
– -$166M -2,848,540 Closed
Tudor Investment Corp
767
Tudor Investment Corp
Connecticut
– -$9.5M -153,619 Closed
GCP
768
GSA Capital Partners
United Kingdom
– -$5.06M -86,674 Closed
BCM
769
Bluefin Capital Management
New York
– -$4.15M -71,227 Closed
QT
770
Quantbot Technologies
New York
– -$3.26M -55,902 Closed
CII
771
Capital International Inc
California
– -$3.17M -54,408 Closed
Capital Research Global Investors
772
Capital Research Global Investors
California
– -$2.16M -36,698 Closed
WT
773
Whittier Trust
California
– -$1.71M -29,263 Closed
CRC
774
Curi RMB Capital
Illinois
– -$1.59M -27,330 Closed
GCM
775
Graham Capital Management
Connecticut
– -$1.55M -26,546 Closed
29 30
31
32 33

RIO Hedge Fund Activity: Q3 2025 in Review

766 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Rio Tinto (RIO) for Q3 2025, worth a combined $8.15B — up 14% from $7.12B a quarter earlier.

Buyers outnumbered sellers: 99 funds opened new RIO positions and 67 closed out — a net gain of 32 holders — while 311 added to existing stakes and 225 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $99M. The largest seller was Wellington Management Group, cutting an estimated $245M.

  • 766 institutional investors held Rio Tinto (RIO) as of Q3 2025, up from 743 in Q2 2025.
  • Funds reported $8.15B of Rio Tinto stock for Q3 2025, up 14% quarter-over-quarter.
  • 99 funds opened new Rio Tinto positions in Q3 2025 and 67 closed out, a net change of +32 holders.
  • The largest Rio Tinto buyer in Q3 2025 was Goldman Sachs, an estimated $99M added.
  • The largest Rio Tinto seller in Q3 2025 was Wellington Management Group, an estimated $245M sold.

Based on aggregated 13F filings for Q3 2025.