Kayne Anderson Rudnick Investment Management’s Avantor AVTR Stock Holding History

Kayne Anderson Rudnick 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
2025 Q3	–	Sell	-12	Closed	-$162	–	1040
2025 Q2	$162	Hold	12	–	–	﹤0.01%	1072
2025 Q1	$195	Hold	12	–	–	﹤0.01%	940
2024 Q4	$253	Hold	12	–	–	﹤0.01%	967
2024 Q3	$310	Hold	12	–	–	﹤0.01%	956
2024 Q2	$254	Hold	12	–	–	﹤0.01%	961
2024 Q1	$307	Sell	12 -2	-14%	-$48	﹤0.01%	934
2023 Q4	$320	Buy	14 +12	+600%	+$246	﹤0.01%	911
2023 Q3	$42	Hold	2	–	–	﹤0.01%	875
2023 Q2	$41	Hold	2	–	–	﹤0.01%	871
2023 Q1	$42	Buy	+2	New	+$46	﹤0.01%	773

Other funds holding AVTR

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

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

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

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

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

ECM

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

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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

CCP

Clarkston Capital Partners Rochester, Michigan $1.18B AUM 0.37% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management's AVTR Position: Q3 2025 in Review

Kayne Anderson Rudnick Investment Management sold out of Avantor (AVTR) in Q3 2025, closing a stake of 12 shares — an estimated $162 sold.

Kayne Anderson Rudnick Investment Management first reported a position in AVTR in Q1 2023 and held it in 10 quarters. The position peaked at $320 in Q4 2023. 466 funds tracked by Wall St. Rank hold AVTR as of Q3 2025.

Kayne Anderson Rudnick Investment Management reported no remaining Avantor position as of Q3 2025 after selling out during the quarter.
Kayne Anderson Rudnick Investment Management sold 12 Avantor shares in Q3 2025, an estimated $162.
Kayne Anderson Rudnick Investment Management first reported a position in Avantor in Q1 2023 and held it in 10 quarters.
Kayne Anderson Rudnick Investment Management's Avantor position peaked at $320 in Q4 2023.
466 funds tracked by Wall St. Rank held Avantor as of Q3 2025.

Based on Kayne Anderson Rudnick Investment Management's 13F filing for Q3 2025, filed 13 Nov 2025.