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ERO in the 13F filings

Ero Copper Corp · CUSIP 296006109

Sector · Materials
Quarter
Q2 2026Q1 2026Q4 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q2 2023Q1 2023
Quarter end
31 Mar 2026
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 12 May 2026
Managers listing it
26
at least, of 95 tracked, among listed positions
Comparable managers
91
filed both Q4 2025 and Q1 2026; 2 listed it in both
Shares listed
19,826,249
combined, among listed positions
Reported value
$531m
combined, at the quarter end

1 line marked †. Value as filed implies a price far from other filers'. Each counts in holders and value as filed, and is left out of the net change in shares.

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 22 buyers (opened or added shares) and 6 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -1,069,249.

Managers listing ERO in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

26 of 26 holders

ActionFiling
Fidelity (FMR LLC)9,589,099$256munder 0.1%Trimmed-2,325,73515 May 2026 (the filing on sec.gov)
Invesco Ltd4,884,872$130munder 0.1%Added+2,057,48712 May 2026 (the filing on sec.gov)
Arrowstreet Capital LP974,932$26munder 0.1%Added+955,48714 May 2026 (the filing on sec.gov)
Two Sigma Investments LP931,883$25munder 0.1%Added+702,98315 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc762,698$20munder 0.1%Trimmed-3,833,35215 May 2026 (the filing on sec.gov)
Renaissance Technologies LLC420,876$11munder 0.1%Added+372,40014 May 2026 (the filing on sec.gov)
Bridgewater Associates LP342,455$9.1munder 0.1%Added+253,69515 May 2026 (the filing on sec.gov)
MFS Investment Management† Value as filed implies a price far from other filers'.216,967$7.8munder 0.1%Newnew14 May 2026 (the filing on sec.gov)
Point72 Asset Management LP288,696$7.7munder 0.1%Added+69,31115 May 2026 (the filing on sec.gov)
Jane Street Group LLC261,963$7.0munder 0.1%Added+67,66312 May 2026 (the filing on sec.gov)
Citadel Advisors LLC216,952$5.8munder 0.1%Added+89,64415 May 2026 (the filing on sec.gov)
Man Group PLC181,842$4.8munder 0.1%Added+128,68015 May 2026 (the filing on sec.gov)
Neuberger Berman Group LLC163,920$4.4munder 0.1%Newnew27 Oct 2026 (the filing on sec.gov)
Marshall Wace LLP122,534$3.3munder 0.1%Newnew15 May 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP101,060$2.7munder 0.1%Newnew14 May 2026 (the filing on sec.gov)
Millennium Management LLC70,214$1.9munder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Polen Capital Management LLC70,159$1.9munder 0.1%Added+24,61514 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.54,300$1.4munder 0.1%Added+46,75215 May 2026 (the filing on sec.gov)
Squarepoint Ops LLC44,931$1.2munder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Quantbot Technologies LP27,296$728kunder 0.1%Trimmed-156,22113 May 2026 (the filing on sec.gov)
Tudor Investment Corp19,639$524kunder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Maverick Capital Ltd19,271$514kunder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP17,928$478kunder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Acadian Asset Management LLC14,700$389kunder 0.1%Added+5,20013 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP14,488$386kunder 0.1%Trimmed-7,32615 May 2026 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q4 2025 to Q1 2026, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (9)

Exited (2)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
2 in Q2 2024 to 2 in Q2 2026

Tracked managers listing it, at least.

0123420222023202420252026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
ERO by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20211$22mn.a.n.a.
Q3 20211$20mn.a.n.a.
Q4 20211$16mn.a.n.a.
Q1 20221$14mn.a.n.a.
Q2 20221$5.5mn.a.n.a.
Q1 20231$21mn.a.n.a.
Q2 20231$29mn.a.n.a.
Q4 20232$239m20
Q1 20242$183m11
Q2 20242$202m11
Q3 20244$211m31
Q4 20242$12m21
Q1 20252$10m11
Q2 20253$152m02
Q4 20252$6.5m156
Q1 20263$12m226
Q2 20262$9.7m1019

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

ERO and LIN →ERO and GLW →ERO and HWM →Choose a stock to compare with ERO →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own ERO, latest filings →Back to the 13F Explorer →