1832 Asset Management’s Avantor AVTR Stock Holding History

1832 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
2025 Q3	–	Sell	-4,511,834	Closed	-$60.7M	–	668
2025 Q2	$60.7M	Sell	4,511,834 -13,615,370	-75%	-$186M	0.05%	180
2025 Q1	$294M	Buy	18,127,204 +8,578,493	+90%	+$162M	0.27%	51
2024 Q4	$201M	Buy	9,548,711 +497,693	+5%	+$11.2M	0.17%	73
2024 Q3	$234M	Buy	9,051,018 +520,900	+6%	+$12.8M	0.18%	66
2024 Q2	$181M	Buy	8,530,118 +8,038,451	+1,635%	+$194M	0.15%	77
2024 Q1	$12.6M	Buy	491,667 +51,001	+12%	+$1.21M	0.01%	311
2023 Q4	$10.1M	Buy	440,666 +105,666	+32%	+$2.16M	0.01%	324
2023 Q3	$7.06M	Buy	+335,000	New	+$7.13M	0.01%	365
2023 Q2	–	Sell	-616,000	Closed	-$13M	–	848
2023 Q1	$13M	Buy	+616,000	New	+$14M	0.02%	313
2021 Q4	–	Sell	-1,753,595	Closed	-$72M	–	722
2021 Q3	$72M	Buy	+1,753,595	New	+$68.5M	0.14%	134

Other funds holding AVTR

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

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

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

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

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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

Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

CCP

Clarkston Capital Partners Rochester, Michigan $1.31B AUM 3.79% 1-Year Est. Return

1832 Asset Management's AVTR Position: Q3 2025 in Review

1832 Asset Management sold out of Avantor (AVTR) in Q3 2025, closing a stake of 4,511,834 shares — an estimated $60.7M sold.

1832 Asset Management first reported a position in AVTR in Q3 2021 and held it in 10 quarters. The position peaked at $294M in Q1 2025. 465 funds tracked by Wall St. Rank hold AVTR as of Q3 2025.

1832 Asset Management reported no remaining Avantor position as of Q3 2025 after selling out during the quarter.
1832 Asset Management sold 4,511,834 Avantor shares in Q3 2025, an estimated $60.7M.
1832 Asset Management first reported a position in Avantor in Q3 2021 and held it in 10 quarters.
1832 Asset Management's Avantor position peaked at $294M in Q1 2025.
465 funds tracked by Wall St. Rank held Avantor as of Q3 2025.

Based on 1832 Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.