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GROUP ONE TRADING LLC

Position in EC — Ecopetrol S.A.

CIK 932540 CHICAGO, IL

Position in EC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,297,336
+$3,331,473 QoQ
Shares Held
372,004
+183.7% QoQ
Ownership
0.018%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#19
of 164 holders
Holding Since
Mar 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in EC Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Integrated

Energy · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $16,585,298 across 7 Oil & Gas Integrated names. EC ranks #2 (31.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 EC
Ecopetrol S.A.
This page
372,004 $5,297,336

All Filings in EC

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,297,336 372,004
2026-03-31 $1,965,863 131,145
2025-06-30 $461,757 52,176
2025-03-31 $434,752 41,643
2024-12-31 $365,991 46,211
2024-06-30 $121,210 10,832
2024-03-31 $1,098,160 92,750
2023-12-31 $943,599 79,161
2023-09-30 $52,353 4,521
2023-06-30 $713,707 69,630
2023-03-31 $1,120,574 106,115
2022-12-31 $44,675 4,267
2022-09-30 $2,705 303
2021-09-30 $57,400 4,000
2021-06-30 $243,686 16,668
2021-03-31 $388,446 30,300
2020-06-30 $31,909 2,867
2020-03-31 $1,902 200