EC Ecopetrol S.A.

NYSE
$16.58

Ecopetrol S.A. (EC) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
-37.50
5 buyers / 11 sellers
STRONG SELLING
Funds compared
17
funds with comparable EC positions
11 current holders · 15 prior-quarter holders
Net share change
+1.36M
+3.99M added, -2.63M cut
Position activity
2 new 3 increased 5 reduced 6 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
CITADEL ADVISORS LLC Quant Sold Out -113.9K -100.0% $1.6M 0.0% 60
Point72 Asset Management, L.P. Sold Out -41.1K -100.0% $585.5K 0.0% 59
Voloridge Investment Management Quant Sold Out -199.9K -100.0% $2.8M 0.0% 55
Brevan Howard Capital Management Macro New +828.3K — $11.8M 0.2% 54
RENAISSANCE TECHNOLOGIES LLC Quant Increased +660.4K +276.3% $9.4M 0.0% 54
MARSHALL WACE, LLP Long/Short Increased +2.07M +362.3% $29.4M 0.0% 54
Verition Fund Management Event Long/Short Sold Out -16.6K -100.0% $236.3K 0.0% 54
MILLENNIUM MANAGEMENT LLC Increased +423.4K +130.7% $6.0M 0.0% 53
D. E. Shaw & Co., Inc. Quant Reduced -1.06M -84.0% $15.2M 0.0% 52
Boothbay Fund Management New +16.5K — $235.2K 0.0% 49

Most significant buyers

By move score, not size.

  • Brevan Howard Capital Management New · +828.3K
  • RENAISSANCE TECHNOLOGIES LLC Increased · +660.4K
  • MARSHALL WACE, LLP Increased · +2.07M
  • MILLENNIUM MANAGEMENT LLC Increased · +423.4K
  • Boothbay Fund Management New · +16.5K

Most significant sellers

By move score, not size.

  • CITADEL ADVISORS LLC Sold Out · -113.9K
  • Point72 Asset Management, L.P. Sold Out · -41.1K
  • Voloridge Investment Management Sold Out · -199.9K
  • Verition Fund Management Sold Out · -16.6K
  • D. E. Shaw & Co., Inc. Reduced · -1.06M

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
CITADEL ADVISORS LLC 1 0 113.9K -113.9K -100.0% 0.0% Sold Out 60
Point72 Asset Management, L.P. 1 0 41.1K -41.1K -100.0% 0.0% Sold Out 59
Voloridge Investment Management 2 0 199.9K -199.9K -100.0% 0.0% Sold Out 55
Brevan Howard Capital Management 3 828.3K 0 +828.3K — 0.2% New 54
RENAISSANCE TECHNOLOGIES LLC 1 899.4K 239.0K +660.4K +276.3% 0.0% Increased 54
MARSHALL WACE, LLP 2 2.6M 570.3K +2.07M +362.3% 0.0% Increased 54
Verition Fund Management 2 0 16.6K -16.6K -100.0% 0.0% Sold Out 54
MILLENNIUM MANAGEMENT LLC 2 747.5K 324.1K +423.4K +130.7% 0.0% Increased 53
D. E. Shaw & Co., Inc. 1 202.8K 1.3M -1.06M -84.0% 0.0% Reduced 52
Boothbay Fund Management 4 16.5K 0 +16.5K — 0.0% New 49
Centiva Capital 4 0 29.8K -29.8K -100.0% 0.0% Sold Out 48
Quantbot Technologies 4 0 4.1K -4.1K -100.0% 0.0% Sold Out 45
Walleye Capital 3 145 53.5K -53.3K -99.7% 0.0% Reduced 45
Squarepoint Ops LLC 2 12.9K 79.7K -66.8K -83.8% 0.0% Reduced 44
TWO SIGMA INVESTMENTS, LP 2 996.4K 1.9M -856.9K -46.2% 0.0% Reduced 41
Engineers Gate 4 46.8K 234.0K -187.2K -80.0% 0.0% Reduced 39
Sona Asset Management 3 100.0K 100.0K 0 +0.0% 0.1% Unchanged 17

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.