Assenagon Asset Management’s Avantor AVTR Stock Holding History

Assenagon Asset Management’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
2024 Q1	–	Sell	-66,000	Closed	-$1.51M	–	1359
2023 Q4	$1.51M	Buy	66,000 +26,300	+66%	+$539K	﹤0.01%	1010
2023 Q3	$837K	Hold	39,700	–	–	﹤0.01%	1084
2023 Q2	$815K	Hold	39,700	–	–	﹤0.01%	1021
2023 Q1	$839K	Sell	39,700 -33,800	-46%	-$770K	﹤0.01%	1103
2022 Q4	$1.55M	Buy	73,500 +43,500	+145%	+$901K	0.01%	912
2022 Q3	$588K	Hold	30,000	–	–	﹤0.01%	1073
2022 Q2	$933K	Hold	30,000	–	–	﹤0.01%	1093
2022 Q1	$1.01M	Buy	+30,000	New	+$1.07M	﹤0.01%	1045

Other funds holding AVTR

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

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

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

VNIM

Vaughan Nelson Investment Management Houston, Texas $11.3B AUM 53% 1-Year Est. Return

BAM

Brickwood Asset Management London, United Kingdom $139M AUM 3.28% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return

WSL

Western Standard LLC Los Angeles, California $295M AUM 40.98% 1-Year Est. Return

SCM

Shapiro Capital Management Atlanta, Georgia $1.65B AUM 26.74% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Assenagon Asset Management's AVTR Position: Q2 2026 in Review

Assenagon Asset Management increased its Avantor (AVTR) stake by 425% in Q2 2026, buying an estimated $3.88M and bringing the position to 556,871 shares worth $5.51M. The position accounts for 0.01% of the portfolio, ranked #640.

Assenagon Asset Management first reported a position in AVTR in Q1 2022 and has held it in 17 quarters since. The position peaked at $41.5M in Q4 2025. 220 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

Assenagon Asset Management held 556,871 shares of Avantor worth $5.51M as of Q2 2026.
Assenagon Asset Management bought 450,801 Avantor shares in Q2 2026, an estimated $3.88M.
Avantor made up 0.01% of Assenagon Asset Management's portfolio in Q2 2026, its #640 holding.
Assenagon Asset Management first reported a position in Avantor in Q1 2022 and has held it in 17 quarters since.
Assenagon Asset Management's Avantor position peaked at $41.5M in Q4 2025.
220 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.