Duquesne Family Office’s LyondellBasell Industries LYB Stock Holding History

Duquesne Family Office’s Portfolio LYB Stock Details LYB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-131,435	Closed	-$10.6M	–	106
2026 Q1	$10.6M	Buy	+131,435	New	+$7.8M	0.31%	54
2017 Q2	–	Sell	-1,158,300	Closed	-$106M	–	45
2017 Q1	$106M	Buy	1,158,300 +589,800	+104%	+$53.8M	6.93%	2
2016 Q4	$48.8M	Buy	+568,500	New	+$47.7M	4.75%	10
2015 Q3	–	Sell	-716,950	Closed	-$74.2M	–	32
2015 Q2	$74.2M	Hold	716,950	–	–	5%	4
2015 Q1	$62.9M	Buy	+716,950	New	+$60.3M	8%	3
2013 Q3	–	Sell	-218,000	Closed	-$14.4M	–	31
2013 Q2	$14.4M	Buy	+218,000	New	+$13.8M	2.14%	12

Other funds holding LYB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

DSA

Davis Selected Advisers Tucson, Arizona $23.3B AUM 26.95% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Duquesne Family Office's LYB Position: Q2 2026 in Review

Duquesne Family Office sold out of LyondellBasell Industries (LYB) in Q2 2026, closing a stake of 131,435 shares — an estimated $10.6M sold.

Duquesne Family Office first reported a position in LYB in Q2 2013 and held it in 6 quarters. The position peaked at $106M in Q1 2017. 875 funds tracked by Wall St. Rank hold LYB as of Q2 2026.

Duquesne Family Office reported no remaining LyondellBasell Industries position as of Q2 2026 after selling out during the quarter.
Duquesne Family Office sold 131,435 LyondellBasell Industries shares in Q2 2026, an estimated $10.6M.
Duquesne Family Office first reported a position in LyondellBasell Industries in Q2 2013 and held it in 6 quarters.
Duquesne Family Office's LyondellBasell Industries position peaked at $106M in Q1 2017.
875 funds tracked by Wall St. Rank held LyondellBasell Industries as of Q2 2026.

Based on Duquesne Family Office's 13F filing for Q2 2026, filed 14 Aug 2026.