UBS O'Connor’s ChampionX CHX Stock Holding History

UBS O'Connor’s Portfolio CHX Stock Details CHX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-7,546,703	Closed	-$187M	–	318
2025 Q2	$187M	Sell	7,546,703 -271,940	-3%	-$6.85M	5.21%	6
2025 Q1	$233M	Buy	7,818,643 +98,454	+1%	+$2.87M	5.51%	5
2024 Q4	$210M	Buy	7,720,189 +1,580,792	+26%	+$47M	5.22%	6
2024 Q3	$185M	Buy	6,139,397 +3,257,621	+113%	+$103M	4.57%	7
2024 Q2	$95.7M	Buy	+2,881,776	New	+$98.3M	2.7%	11

Other funds holding CHX

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

UBS O'Connor's CHX Position: Q3 2025 in Review

UBS O'Connor sold out of ChampionX (CHX) in Q3 2025, closing a stake of 7,546,703 shares — an estimated $187M sold.

UBS O'Connor first reported a position in CHX in Q2 2024 and held it in 5 quarters. The position peaked at $233M in Q1 2025. 3 funds tracked by Wall St. Rank hold CHX as of Q3 2025.

UBS O'Connor reported no remaining ChampionX position as of Q3 2025 after selling out during the quarter.
UBS O'Connor sold 7,546,703 ChampionX shares in Q3 2025, an estimated $187M.
UBS O'Connor first reported a position in ChampionX in Q2 2024 and held it in 5 quarters.
UBS O'Connor's ChampionX position peaked at $233M in Q1 2025.
3 funds tracked by Wall St. Rank held ChampionX as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.