CSS LLC’s Avantor AVTR Stock Holding History

CSS LLC’s Portfolio AVTR Stock Details AVTR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-62,423	Closed	-$779K	–	1032
2025 Q3	$779K	Buy	62,423 +17,568	+39%	+$226K	0.03%	399
2025 Q2	$604K	Buy	+44,855	New	+$614K	0.03%	493

Other funds holding AVTR

Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

CSS LLC's AVTR Position: Q4 2025 in Review

CSS LLC sold out of Avantor (AVTR) in Q4 2025, closing a stake of 62,423 shares — an estimated $779K sold.

CSS LLC first reported a position in AVTR in Q2 2025 and held it in 2 quarters. The position peaked at $779K in Q3 2025. 419 funds tracked by Wall St. Rank hold AVTR as of Q4 2025.

CSS LLC reported no remaining Avantor position as of Q4 2025 after selling out during the quarter.
CSS LLC sold 62,423 Avantor shares in Q4 2025, an estimated $779K.
CSS LLC first reported a position in Avantor in Q2 2025 and held it in 2 quarters.
CSS LLC's Avantor position peaked at $779K in Q3 2025.
419 funds tracked by Wall St. Rank held Avantor as of Q4 2025.

Based on CSS LLC's 13F filing for Q4 2025, filed 17 Feb 2026.