Clarkston Capital Partners’s Avantor AVTR Stock Holding History

Clarkston Capital Partners’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	$67.7M	Sell	8,629,389 -6,475,676	-43%	-$63.7M	5.16%	4
2025 Q4	$173M	Buy	15,105,065 +84,740	+0.6%	+$1.04M	4.01%	4
2025 Q3	$187M	Buy	15,020,325 +1,038,235	+7%	+$13.4M	4.04%	4
2025 Q2	$188M	Buy	13,982,090 +4,390,140	+46%	+$60.1M	4%	6
2025 Q1	$155M	Buy	9,591,950 +1,446,125	+18%	+$27.4M	3.07%	12
2024 Q4	$172M	Buy	8,145,825 +2,473,395	+44%	+$55.6M	3.29%	10
2024 Q3	$147M	Sell	5,672,430 -87,940	-2%	-$2.16M	2.7%	15
2024 Q2	$122M	Sell	5,760,370 -91,250	-2%	-$2.2M	2.33%	17
2024 Q1	$150M	Buy	5,851,620 +7,573	+0.1%	+$180K	2.64%	15
2023 Q4	$133M	Buy	5,844,047 +4,110,295	+237%	+$84.2M	2.47%	15
2023 Q3	$36.5M	Buy	1,733,752 +396,847	+30%	+$8.44M	0.72%	28
2023 Q2	$27.5M	Buy	1,336,905 +267,980	+25%	+$5.42M	0.49%	33
2023 Q1	$22.6M	Buy	+1,068,925	New	+$24.4M	0.42%	34

Other funds holding AVTR

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

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Wellington Management Group

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

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

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

Dimensional Fund Advisors

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