North Star Investment Management’s Avantor AVTR Stock Holding History

North Star Investment 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
2026 Q1	$5.64K	Sell	720 -333	-32%	-$3.28K	﹤0.01%	1156
2025 Q4	$12.1K	Buy	1,053 +129	+14%	+$1.59K	﹤0.01%	927
2025 Q3	$11.5K	Sell	924 -490	-35%	-$6.31K	﹤0.01%	888
2025 Q2	$19K	Buy	1,414 +564	+66%	+$7.72K	﹤0.01%	795
2025 Q1	$13.8K	Buy	+850	New	+$16.1K	﹤0.01%	801
2024 Q1	–	Sell	-86	Closed	-$1.96K	–	1238
2023 Q4	$1.96K	Hold	86	–	–	﹤0.01%	1047
2023 Q3	$1.81K	Hold	86	–	–	﹤0.01%	1072
2023 Q2	$1.77K	Hold	86	–	–	﹤0.01%	1085
2023 Q1	$1.82K	Hold	86	–	–	﹤0.01%	1095
2022 Q4	$1.81K	Hold	86	–	–	﹤0.01%	1085
2022 Q3	$2K	Hold	86	–	–	﹤0.01%	1017
2022 Q2	$3K	Hold	86	–	–	﹤0.01%	993
2022 Q1	$3K	Hold	86	–	–	﹤0.01%	1022
2021 Q4	$4K	Buy	+86	New	+$3.39K	﹤0.01%	1014

Other funds holding AVTR

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

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

ECM

Engine Capital Management New York $828M AUM 6.49% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

North Star Investment Management's AVTR Position: Q1 2026 in Review

North Star Investment Management reduced its Avantor (AVTR) stake by 32% in Q1 2026, selling an estimated $3.28K and leaving 720 shares worth $5.64K. The position accounts for ﹤0.01% of the portfolio, ranked #1156.

North Star Investment Management first reported a position in AVTR in Q4 2021 and has held it in 14 quarters since. The position peaked at $19K in Q2 2025. 430 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

North Star Investment Management held 720 shares of Avantor worth $5.64K as of Q1 2026.
North Star Investment Management sold 333 Avantor shares in Q1 2026, an estimated $3.28K.
Avantor made up ﹤0.01% of North Star Investment Management's portfolio in Q1 2026, its #1156 holding.
North Star Investment Management first reported a position in Avantor in Q4 2021 and has held it in 14 quarters since.
North Star Investment Management's Avantor position peaked at $19K in Q2 2025.
430 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on North Star Investment Management's 13F filing for Q1 2026, filed 23 Apr 2026.