Sierra Ocean’s Avantor AVTR Stock Holding History

Sierra Ocean’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 Q3	–	Sell	-171	Closed	-$2.3K	–	128
2025 Q2	$2.3K	Sell	171 -330	-66%	-$4.51K	﹤0.01%	730
2025 Q1	$8.12K	Sell	501 -54	-10%	-$1.02K	0.01%	478
2024 Q4	$11.7K	Buy	+555	New	+$12.5K	0.01%	398

Other funds holding AVTR

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

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

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

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

ECM

Engine Capital Management New York $1.03B AUM 4.33% 1-Year Est. Return

Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

CCP

Clarkston Capital Partners Rochester, Michigan $1.18B AUM 0.37% 1-Year Est. Return

Sierra Ocean's AVTR Position: Q3 2025 in Review

Sierra Ocean sold out of Avantor (AVTR) in Q3 2025, closing a stake of 171 shares — an estimated $2.3K sold.

Sierra Ocean first reported a position in AVTR in Q4 2024 and held it in 3 quarters. The position peaked at $11.7K in Q4 2024. 466 funds tracked by Wall St. Rank hold AVTR as of Q3 2025.

Sierra Ocean reported no remaining Avantor position as of Q3 2025 after selling out during the quarter.
Sierra Ocean sold 171 Avantor shares in Q3 2025, an estimated $2.3K.
Sierra Ocean first reported a position in Avantor in Q4 2024 and held it in 3 quarters.
Sierra Ocean's Avantor position peaked at $11.7K in Q4 2024.
466 funds tracked by Wall St. Rank held Avantor as of Q3 2025.

Based on Sierra Ocean's 13F filing for Q3 2025, filed 7 Nov 2025.