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Rio Tinto
RIO

Overview Fund Activity

769 hedge funds and large institutions have $8B invested in Rio Tinto in 2025 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 302 increasing their positions, 231 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
769
Holders Change
+24
Holders Change %
+3.22%
% of All Funds
10.45%
Holding in Top 10
15
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+36.36%
% of All Funds
0.2%
New
102
Increased
302
Reduced
231
Closed
62
Calls
$526M
Puts
$464M
Net Calls
+$62.4M
Net Calls Change
+$9.63M

Top Buyers

1
AOI
Auto-Owners Insurance
Michigan
+$243M
2
JAG
Journey Advisory Group
Kentucky
+$154M
3
MP
Mangrove Partners
Connecticut
+$45M
4
Citadel Advisors
Citadel Advisors
Florida
+$34.4M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$31.2M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$215M
2
UBS Group
UBS Group
Switzerland
-$91.3M
3
Morgan Stanley
Morgan Stanley
New York
-$72.9M
4
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
-$65.9M
5
PP
Paloma Partners
Connecticut
-$40M
Name Holding Trade Value Shares
Change 		Shares
Change %
Stifel Financial
51
Stifel Financial
Missouri
$20.4M +$510K +8,491 +3%
Janney Montgomery Scott
52
Janney Montgomery Scott
Pennsylvania
$18.5M +$1.23M +20,467 +7%
LPL Financial
53
LPL Financial
California
$18.5M -$797K -13,262 -4%
PHAM
54
Pacific Heights Asset Management
California
$18M +$13.5M +225,000 +300%
Optiver Holding
55
Optiver Holding
Netherlands
$17.9M -$14.7M -244,845 -45%
KCM
56
Kornitzer Capital Management
Kansas
$17.8M +$618K +10,289 +4%
SC
57
SummitTX Capital
Texas
$17.2M +$17.2M +285,781 New
American Century Companies
58
American Century Companies
Missouri
$16.8M +$659K +10,977 +4%
AA
59
ABC Arbitrage
France
$16.8M -$3.65M -60,828 -18%
Citigroup
60
Citigroup
New York
$15.7M -$4.46M -74,214 -22%
KI
61
Kapitalo Investimentos
Brazil
$15.5M – – –
CFM
62
Catalyst Funds Management
Australia
$14.5M +$1.77M +29,400 +14%
Susquehanna International Group
63
Susquehanna International Group
Pennsylvania
$13.7M +$2.51M +41,717 +22%
Millennium Management
64
Millennium Management
New York
$13.6M +$2.12M +35,228 +18%
Amundi
65
Amundi
France
$13.5M +$9.33M +159,636 +224%
Point72 Asset Management
66
Point72 Asset Management
Connecticut
$13.1M +$13.1M +217,397 New
SW
67
SteelPeak Wealth
California
$12.5M +$5.17K +83 +0%
Massachusetts Financial Services
68
Massachusetts Financial Services
Massachusetts
$12.1M +$2.08M +34,627 +21%
Aberdeen Group
69
Aberdeen Group
United Kingdom
$12.1M -$12K -200 -0.1%
OSAM
70
O'Shaughnessy Asset Management
Connecticut
$12M +$1.37M +22,873 +13%
Commonwealth Equity Services
71
Commonwealth Equity Services
Massachusetts
$11.8M +$153K +2,551 +1%
GIM
72
Grassi Investment Management
California
$11.7M -$126K -2,100 -1%
HF
73
HRT Financial
New York
$11.4M -$2.51M -41,698 -18%
Rockefeller Capital Management
74
Rockefeller Capital Management
New York
$11.1M +$547K +9,099 +5%
OAM
75
Oppenheimer Asset Management
New York
$10.8M +$757K +12,606 +8%
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