Stanley Capital Management’s Avantor AVTR Stock Holding History

Stanley Capital 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 Q2	–	Sell	-918,500	Closed	-$7.2M	–	39
2026 Q1	$7.2M	Hold	918,500	–	–	1.2%	32
2025 Q4	$10.5M	Sell	918,500 -400,000	-30%	-$4.92M	1.76%	28
2025 Q3	$16.5M	Hold	1,318,500	–	–	2.71%	16
2025 Q2	$17.7M	Buy	1,318,500 +320,000	+32%	+$4.38M	2.99%	13
2025 Q1	$16.2M	Buy	998,500 +300,000	+43%	+$5.68M	3.18%	13
2024 Q4	$14.7M	Hold	698,500	–	–	2.86%	15
2024 Q3	$18.1M	Hold	698,500	–	–	3.51%	10
2024 Q2	$14.8M	Hold	698,500	–	–	3.03%	12
2024 Q1	$17.9M	Hold	698,500	–	–	4.44%	8
2023 Q4	$15.9M	Buy	698,500 +240,000	+52%	+$4.92M	3.93%	8
2023 Q3	$9.67M	Buy	458,500 +213,000	+87%	+$4.53M	2.58%	16
2023 Q2	$5.04M	Buy	+245,500	New	+$4.96M	1.36%	32

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

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

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

ECM

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

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

NMC

New Mountain Capital New York $139M AUM 26.45% 1-Year Est. Return

Stanley Capital Management's AVTR Position: Q2 2026 in Review

Stanley Capital Management sold out of Avantor (AVTR) in Q2 2026, closing a stake of 918,500 shares — an estimated $7.2M sold.

Stanley Capital Management first reported a position in AVTR in Q2 2023 and held it in 12 quarters. The position peaked at $18.1M in Q3 2024. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

Stanley Capital Management reported no remaining Avantor position as of Q2 2026 after selling out during the quarter.
Stanley Capital Management sold 918,500 Avantor shares in Q2 2026, an estimated $7.2M.
Stanley Capital Management first reported a position in Avantor in Q2 2023 and held it in 12 quarters.
Stanley Capital Management's Avantor position peaked at $18.1M in Q3 2024.
460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Stanley Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.