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Ero Copper ERO

US equityMarket cap rank #2272
$38.44 +$0.53 (+1.40%)
Market closed · Oct 6, 1:50 am ET · Last extended-hours $38.21 -0.60%
Open$38.55
Prev close$37.91
Day range$37.66 – $39.05
Volume1.36M
Market cap$4.01B
P/E (TTM)13.0
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership70.2%-0.79 pts vs. prior quarter
Institutions holding258-6 vs. prior quarter
Insider trades (recent)1 buys / 2 sellsNet selling
Short interest5.80% of floatDays to cover 4.1 · as of 15 Sep 2026
Short-sale volume share23.3%5-day average of daily volume

Short-sale volume as % of daily volume

13%20%27%35%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$8.94M (8 inflow days, 12 outflow days).

The five largest holders on file together own 25.4% of shares outstanding.

Largest holders

  • Fidelity International Ltd8.94%
  • Mirae Asset Global Investments Co., Ltd4.57%
  • FMR4.30%
  • Invesco Ltd.3.92%
  • Vanguard Capital Management, LLC3.71%
  • GMT Capital Corp.2.71%
  • Cape Ann Asset Management Limited1.97%
  • Jennison Associates LLC1.70%

By investor type

  • Mutual Fund55.13%
  • Hedge Fund9.56%
  • Individual/Insider2.22%
  • Public Company2.08%
  • Private Company1.24%
  • Sovereign Wealth Fund1.21%
  • VC/PE Fund0.59%
  • Government Pension Fund0.28%

Reported short interest has risen from 3.44% to 5.80% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 6,048,262 5.8% 4.1
31 Aug 2026 6,553,312 6.3% 3.7
14 Aug 2026 5,758,087 5.5% 3.6
31 Jul 2026 5,162,711 5.0% 6.0
15 Jul 2026 4,590,304 4.4% 4.7
30 Jun 2026 3,584,658 3.4% 2.9

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