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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
LOIP
251
Live Oak Investment Partners
Texas
$1.37M +$62K +1,002 +5%
EGA
252
Eagle Global Advisors
Texas
$1.37M – – –
William Blair & Company
253
William Blair & Company
Illinois
$1.36M +$254K +4,110 +25%
PJWM
254
Philip James Wealth Mangement
Georgia
$1.35M -$165K -2,661 -12%
BG
255
Bollard Group
Massachusetts
$1.33M -$129K -2,081 -9%
HCS
256
Himension Capital (Singapore)
Singapore
$1.32M +$1.23M +19,951 New
SFA
257
Sequoia Financial Advisors
Ohio
$1.28M +$284K +4,595 +31%
Bank of Nova Scotia
258
Bank of Nova Scotia
Ontario, Canada
$1.27M -$631K -10,210 -35%
Squarepoint
259
Squarepoint
New York
$1.26M -$1.41M -22,792 -54%
RG
260
Rathbones Group
United Kingdom
$1.24M – – –
EA
261
Ellsworth Advisors
Ohio
$1.24M +$134K +2,171 +14%
S
262
SignatureFD
Georgia
$1.24M +$178K +2,878 +18%
VRM
263
Vectors Research Management
New York
$1.23M +$19.5K +316 +2%
KCM
264
Kempner Capital Management
Texas
$1.21M -$899K -14,533 -44%
Thrivent Financial for Lutherans
265
Thrivent Financial for Lutherans
Minnesota
$1.19M -$1.02M -16,514 -48%
CTFG
266
Capstone Triton Financial Group
Oklahoma
$1.18M -$5.01K -81 -0.5%
VCM
267
Violich Capital Management
California
$1.17M -$61.8K -1,000 -5%
VT
268
Vise Technologies
New York
$1.17M +$68.4K +1,106 +7%
LNWWM
269
Laird Norton Wetherby Wealth Management
California
$1.16M -$94.9K -1,534 -8%
TAIM
270
Te Ahumairangi Investment Management
New Zealand
$1.15M – – –
FC
271
FCA Corp
Texas
$1.14M +$51.7K +836 +5%
EPAM
272
Evelyn Partners Asset Management
$1.14M +$98.6K +1,595 +10%
AIA
273
AssuredPartners Investment Advisors
Florida
$1.13M -$15.6K -252 -1%
QOP
274
Quinn Opportunity Partners
Virginia
$1.13M – – –
FCM
275
Fourpath Capital Management
Oklahoma
$1.13M +$28.2K +456 +3%
9 10
11
12 13

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.