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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
NB
126
Northwest Bancshares
Pennsylvania
$4.69M +$131K +2,119 +3%
GHAM
127
Gilman Hill Asset Management
Connecticut
$4.67M -$36.2K -585 -0.8%
CIA
128
Capital Investment Advisors
Georgia
$4.59M -$256K -4,135 -6%
Cerity Partners
129
Cerity Partners
New York
$4.52M +$288K +4,664 +7%
BCM
130
Blume Capital Management
California
$4.5M +$27.8K +450 +0.7%
SI
131
Stephens Inc
Arkansas
$4.47M +$350K +5,658 +9%
AssetMark Inc
132
AssetMark Inc
California
$4.4M -$224K -3,626 -5%
M&T Bank
133
M&T Bank
New York
$4.38M +$36.6K +592 +0.9%
FDCDDQ
134
Federation des caisses Desjardins du Quebec
Quebec, Canada
$4.31M +$42.4K +685 +1%
OA
135
Oxbow Advisors
Texas
$4.25M +$27.4K +443 +0.7%
MA
136
Montag & Associates
Georgia
$4.19M +$1.36K +22 +0%
SA
137
Shilanski & Associates
Alaska
$4.19M +$120K +1,940 +3%
Russell Investments Group
138
Russell Investments Group
United Kingdom
$4.18M +$971K +15,711 +33%
Truist Financial
139
Truist Financial
North Carolina
$4.15M +$28.3K +457 +0.7%
DS
140
DRW Securities
Illinois
$4.12M -$605K -9,785 -14%
Simplex Trading
141
Simplex Trading
Illinois
$4.12M -$8.99M -145,461 -70%
HighTower Advisors
142
HighTower Advisors
Illinois
$4.03M +$8.84K +143 +0.2%
CCM
143
Cinctive Capital Management
New York
$4.01M +$3.75M +60,705 New
UCI
144
Uncommon Cents Investing
Wisconsin
$3.97M +$25.7K +415 +0.7%
MWM
145
Modera Wealth Management
New Jersey
$3.89M -$173K -2,795 -5%
QCM
146
QRG Capital Management
Illinois
$3.83M -$1.21M -19,531 -25%
Manulife (Manufacturers Life Insurance)
147
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$3.82M -$1.93M -31,215 -35%
AG
148
Advocate Group
Minnesota
$3.71M +$105K +1,704 +3%
Sumitomo Mitsui Trust Group
149
Sumitomo Mitsui Trust Group
Japan
$3.51M -$53.7K -869 -2%
NAMA
150
Nikko Asset Management Americas
New York
$3.51M -$53.7K -869 -2%
4 5
6
7 8

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.