Rossby Financial’s Ecopetrol EC Stock Holding History

Rossby Financial’s Portfolio EC Stock Details EC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.04K	Buy	72 +69	+2,300%	+$874	﹤0.01%	1977
2025 Q4	$30	Hold	3	–	–	﹤0.01%	1804
2025 Q3	$28	Buy	+3	New	+$27	﹤0.01%	1474

Other funds holding EC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Rossby Financial's EC Position: Q1 2026 in Review

Rossby Financial increased its Ecopetrol (EC) stake by 2,300% in Q1 2026, buying an estimated $874 and bringing the position to 72 shares worth $1.04K. The position accounts for ﹤0.01% of the portfolio, ranked #1977.

Rossby Financial first reported a position in EC in Q3 2025 and has held it in 3 quarters since. 164 funds tracked by Wall St. Rank hold EC as of Q1 2026.

Rossby Financial held 72 shares of Ecopetrol worth $1.04K as of Q1 2026.
Rossby Financial bought 69 Ecopetrol shares in Q1 2026, an estimated $874.
Ecopetrol made up ﹤0.01% of Rossby Financial's portfolio in Q1 2026, its #1977 holding.
Rossby Financial first reported a position in Ecopetrol in Q3 2025 and has held it in 3 quarters since.
164 funds tracked by Wall St. Rank held Ecopetrol as of Q1 2026.

Based on Rossby Financial's 13F filing for Q1 2026, filed 11 May 2026.