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Ero Copper

142 hedge funds and large institutions have $1.27B invested in Ero Copper in 2025 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 53 increasing their positions, 43 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

585% more call options, than puts

Call options by funds: $49.3M | Put options by funds: $7.2M

144% more first-time investments, than exits

New positions opened: 39 | Existing positions closed: 16

67% more funds holding in top 10

Funds holding in top 10: 35 (+2)

23% more repeat investments, than reductions

Existing positions increased: 53 | Existing positions reduced: 43

18% more funds holding

Funds holding: 120142 (+22)

14% more capital invested

Capital invested by funds: $1.11B → $1.27B (+$153M)

3.41% less ownership

Funds ownership: 63.79%60.38% (-3.4%)

Holders
142
Holders Change
+22
Holders Change %
+18.33%
% of All Funds
1.86%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.07%
New
39
Increased
53
Reduced
43
Closed
16
Calls
$49.3M
Puts
$7.2M
Net Calls
+$42.1M
Net Calls Change
+$32.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Citadel Advisors
51
Citadel Advisors
Florida
$2.14M -$543K -35,660 -25%
WF
52
WinCap Financial
Massachusetts
$1.95M +$51.4K +3,372 +4%
CIBC Asset Management
53
CIBC Asset Management
Ontario, Canada
$1.88M +$45.3K +2,974 +3%
National Bank of Canada
54
National Bank of Canada
Quebec, Canada
$1.84M +$133K +8,732 +11%
Citigroup
55
Citigroup
New York
$1.8M +$1.29M +84,868 +2,198%
BlackRock
56
BlackRock
New York
$1.74M +$549K +36,020 +72%
CM
57
CastleKnight Management
New York
$1.72M +$1.29M +85,000 New
Envestnet Asset Management
58
Envestnet Asset Management
Illinois
$1.69M +$419K +27,519 +49%
Boston Partners
59
Boston Partners
Massachusetts
$1.68M -$12.3M -806,186 -91%
RG
60
Renaissance Group
Kentucky
$1.64M -$70.3K -4,619 -5%
Simplex Trading
61
Simplex Trading
Illinois
$1.64M +$1.17M +76,826 +1,744%
Raymond James Financial
62
Raymond James Financial
Florida
$1.56M +$192K +12,609 +20%
NP
63
Ninepoint Partners
Ontario, Canada
$1.52M -$152K -10,000 -12%
N
64
Nuveen
North Carolina
$1.49M
QT
65
Quantbot Technologies
New York
$1.27M +$954K +62,615 New
BCIM
66
British Columbia Investment Management
British Columbia, Canada
$1.22M +$48.5K +3,186 +6%
Mackenzie Financial
67
Mackenzie Financial
Ontario, Canada
$1.21M +$90.7K +5,953 +11%
Geode Capital Management
68
Geode Capital Management
Massachusetts
$1.18M +$42.9K +2,819 +5%
CM
69
CoreCommodity Management
Connecticut
$1.16M -$330K -21,676 -27%
TI
70
Trexquant Investment
Connecticut
$1.11M +$520K +34,111 +162%
Jane Street
71
Jane Street
New York
$1.06M -$3.51M -230,478 -81%
CF
72
Canoe Financial
Alberta, Canada
$1.03M +$259K +17,006 +50%
CIBC World Market
73
CIBC World Market
Ontario, Canada
$1.02M +$402K +26,381 +109%
D.E. Shaw & Co
74
D.E. Shaw & Co
New York
$1.02M +$766K +50,300 New
NEI
75
Northwest & Ethical Investments
Ontario, Canada
$999K +$477K +31,304 +169%

ERO Hedge Fund Activity: Q3 2025 in Review

142 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Ero Copper (ERO) for Q3 2025, worth a combined $1.27B — up 14% from $1.11B a quarter earlier.

Buyers outnumbered sellers: 39 funds opened new ERO positions and 16 closed out — a net gain of 23 holders — while 53 added to existing stakes and 43 trimmed.

The largest buyer was Fidelity International, adding an estimated $46.2M. The largest seller was Jennison Associates, cutting an estimated $50.6M.

  • 142 institutional investors held Ero Copper (ERO) as of Q3 2025, up from 120 in Q2 2025.
  • Funds reported $1.27B of Ero Copper stock for Q3 2025, up 14% quarter-over-quarter.
  • 39 funds opened new Ero Copper positions in Q3 2025 and 16 closed out, a net change of +23 holders.
  • The largest Ero Copper buyer in Q3 2025 was Fidelity International, an estimated $46.2M added.
  • The largest Ero Copper seller in Q3 2025 was Jennison Associates, an estimated $50.6M sold.

Based on aggregated 13F filings for Q3 2025.