Circumference Group’s Avantor AVTR Stock Holding History

Circumference Group’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
2026 Q1	–	Sell	-305,000	Closed	-$3.5M	–	14
2025 Q4	$3.5M	Buy	+305,000	New	+$3.75M	3.77%	15

Other funds holding AVTR

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

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

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

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

ECM

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Circumference Group's AVTR Position: Q1 2026 in Review

Circumference Group sold out of Avantor (AVTR) in Q1 2026, closing a stake of 305,000 shares — an estimated $3.5M sold.

Circumference Group first reported a position in AVTR in Q4 2025 and held it in 1 quarter. The position peaked at $3.5M in Q4 2025. 433 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

Circumference Group reported no remaining Avantor position as of Q1 2026 after selling out during the quarter.
Circumference Group sold 305,000 Avantor shares in Q1 2026, an estimated $3.5M.
Circumference Group first reported a position in Avantor in Q4 2025 and held it in 1 quarter.
Circumference Group's Avantor position peaked at $3.5M in Q4 2025.
433 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Circumference Group's 13F filing for Q1 2026, filed 15 May 2026.