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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
Dodge & Cox
801
Dodge & Cox
California
– -$233K -4,000 Closed
JSSH
802
J. Safra Sarasin Holding
– -$233K -4,000 Closed
KWA
803
Kingswood Wealth Advisors
California
– -$208K -3,565 Closed
EAM
804
Erste Asset Management
Austria
– -$175K -3,000 Closed
HT
805
Headlands Technologies
Illinois
– -$167K -2,867 Closed
FIA
806
FNY Investment Advisers
New York
– -$138K -2,380 Closed
RI
807
Ridgewood Investments
New Jersey
– -$49.7K -853 Closed
WA
808
Whipplewood Advisors
Colorado
– -$49.2K -844 Closed
AG
809
AmeriFlex Group
Nevada
– -$48.3K -824 Closed
TSMHT
810
Thurston Springer Miller Herd & Titak
Indiana
– -$46.7K -800 Closed
AF
811
Alerus Financial
North Dakota
– -$34K -583 Closed
BAM
812
Bellevue Asset Management
Washington
– -$21.6K -370 Closed
OWA
813
Opal Wealth Advisors
New York
– -$20.6K -353 Closed
CIA
814
Cape Investment Advisory
Georgia
– -$18.5K -317 Closed
TCOV
815
Trust Company of Vermont
Vermont
– -$13.1K -225 Closed
BCMLT
816
Beacon Capital Management LLC (Tennessee)
Tennessee
– -$12.8K -220 Closed
MAWAG
817
Mid-American Wealth Advisory Group
Missouri
– -$11.7K -201 Closed
NC
818
NewSquare Capital
Pennsylvania
– -$11.2K -192 Closed
TCM
819
Traub Capital Management
Massachusetts
– -$10.5K -180 Closed
KWM
820
Kiker Wealth Management
Georgia
– -$9.14K -157 Closed
ACM
821
Accent Capital Management
Ohio
– -$8.92K -153 Closed
SO
822
Sierra Ocean
California
– -$6.86K -117 Closed
TPWA
823
Twin Peaks Wealth Advisors
California
– -$6.63K -105 Closed
MAM
824
Morse Asset Management
Connecticut
– -$5.83K -100 Closed
AA
825
Ancora Advisors
Ohio
– -$5.16K -88 Closed
30 31 32
33
34

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.