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Ero Copper
ERO

155 hedge funds and large institutions have $1.87B invested in Ero Copper in 2025 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 56 increasing their positions, 46 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

708% more call options, than puts

Call options by funds: $119M | Put options by funds: $14.7M

63% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 27

48% more capital invested

Capital invested by funds: $1.27B → $1.87B (+$603M)

22% more repeat investments, than reductions

Existing positions increased: 56 | Existing positions reduced: 46

20% more funds holding in top 10

Funds holding in top 10: 5 → 6 (+1)

9% more funds holding

Funds holding: 142 → 155 (+13)

3.18% more ownership

Funds ownership: 60.38% → 63.56% (+3.2%)

Holders
155
Holders Change
+13
Holders Change %
+9.15%
% of All Funds
1.88%
Holding in Top 10
6
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+20%
% of All Funds
0.07%
New
44
Increased
56
Reduced
46
Closed
27
Calls
$119M
Puts
$14.7M
Net Calls
+$104M
Net Calls Change
+$61.9M

Top Buyers

1
Fidelity International
Fidelity International
Bermuda
+$116M
2
HIM
Hillsdale Investment Management
Ontario, Canada
+$33.7M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$25.9M
4
CAAM
Cape Ann Asset Management
United Kingdom
+$15.9M
5
American Century Companies
American Century Companies
Missouri
+$13.2M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$57.9M
2
GC
GMT Capital
Georgia
-$47.4M
3
IAM
Impala Asset Management
Florida
-$13.9M
4
Goldman Sachs
Goldman Sachs
New York
-$13.2M
5
PMAM
Picton Mahoney Asset Management
Ontario, Canada
-$12.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
State of Tennessee, Department of Treasury
126
State of Tennessee, Department of Treasury
Tennessee
$262K +$182K +7,808 New
GC
127
Guidance Capital
Kentucky
$253K +$190K +8,165 New
N
128
Numerai
California
$246K +$202K +8,687 New
BCM
129
Brookstone Capital Management
Illinois
$240K +$198K +8,493 New
PAM
130
PVG Asset Management
Colorado
$225K +$185K +7,944 New
Simplex Trading
131
Simplex Trading
Illinois
$220K -$1.71M -73,438 -90%
D.E. Shaw & Co
132
D.E. Shaw & Co
New York
$214K -$996K -42,752 -85%
Barclays
133
Barclays
United Kingdom
$212K +$162K +6,949 +1,243%
BCV
134
Banque Cantonale Vaudoise
Switzerland
$212K +$46.6K +2,000 +36%
SG Americas Securities
135
SG Americas Securities
New York
$115K +$94.8K +4,072 New
KAS
136
Kestra Advisory Services
Texas
$55.8K +$45.9K +1,972 New
Macquarie Group
137
Macquarie Group
Australia
$54.3K -$570K -24,493 -93%
CIAM
138
Caitong International Asset Management
Hong Kong
$37.6K +$30.9K +1,328 New
Osaic Holdings
139
Osaic Holdings
Arizona
$34.1K -$5.61K -241 -17%
FIA
140
FNY Investment Advisers
New York
$25K +$20.7K +889 New
AF
141
Advisornet Financial
Minnesota
$21.8K – – –
AAP
142
Arax Advisory Partners
Colorado
$20.4K +$5.15K +221 +44%
SS
143
SBI Securities
Japan
$16.1K -$24.7K -1,062 -65%
W
144
WealthCollab
Washington
$4.16K +$3.42K +147 New
SPIA
145
Steward Partners Investment Advisory
New York
$2.83K – – –
TSMHT
146
Thurston Springer Miller Herd & Titak
Indiana
$1.84K +$1.51K +65 New
TFA
147
Toth Financial Advisory
Virginia
$1.13K +$932 +40 New
TRCT
148
Tower Research Capital (TRC)
New York
$1.05K -$4.12K -177 -83%
SAM
149
Smartleaf Asset Management
Massachusetts
$688 +$559 +24 New
PWA
150
Physician Wealth Advisors
Utah
$679 +$559 +24 New
4 5
6
7 8

ERO Hedge Fund Activity: Q4 2025 in Review

155 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Ero Copper (ERO) for Q4 2025, worth a combined $1.87B — up 48% from $1.27B a quarter earlier.

Buyers outnumbered sellers: 44 funds opened new ERO positions and 27 closed out — a net gain of 17 holders — while 56 added to existing stakes and 46 trimmed.

The largest buyer was Fidelity International, adding an estimated $116M. The largest seller was T. Rowe Price Associates, cutting an estimated $57.9M.

  • 155 institutional investors held Ero Copper (ERO) as of Q4 2025, up from 142 in Q3 2025.
  • Funds reported $1.87B of Ero Copper stock for Q4 2025, up 48% quarter-over-quarter.
  • 44 funds opened new Ero Copper positions in Q4 2025 and 27 closed out, a net change of +17 holders.
  • The largest Ero Copper buyer in Q4 2025 was Fidelity International, an estimated $116M added.
  • The largest Ero Copper seller in Q4 2025 was T. Rowe Price Associates, an estimated $57.9M sold.

Based on aggregated 13F filings for Q4 2025.