William Blair & Company
AVTR icon

William Blair & Company’s Avantor AVTR Stock Holding History

William Blair & Company’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
2024
Q4 		– Sell
-25,061
Closed -$648K – 1822
2024
Q3 		$648K Buy
25,061
+5,245
+26% +$129K ﹤0.01% 1045
2024
Q2 		$420K Buy
19,816
+9
+0% +$217 ﹤0.01% 1150
2024
Q1 		$506K Sell
19,807
-1,180
-6% -$28.1K ﹤0.01% 1087
2023
Q4 		$479K Sell
20,987
-8,869
-30% -$182K ﹤0.01% 1082
2023
Q3 		$629K Buy
29,856
+5,747
+24% +$122K ﹤0.01% 981
2023
Q2 		$495K Buy
+24,109
New +$487K ﹤0.01% 1056
2022
Q4 		– Sell
-13,902
Closed -$272K – 1820
2022
Q3 		$272K Sell
13,902
-23,753
-63% -$636K ﹤0.01% 1268
2022
Q2 		$1.17M Sell
37,655
-14,989
-28% -$468K 0.01% 792
2022
Q1 		$1.78M Sell
52,644
-7,504
-12% -$268K 0.01% 728
2021
Q4 		$2.54M Sell
60,148
-4,165
-6% -$164K 0.01% 657
2021
Q3 		$2.63M Buy
64,313
+10,683
+20% +$417K 0.01% 626
2021
Q2 		$1.9M Buy
53,630
+36,227
+208% +$1.17M 0.01% 722
2021
Q1 		$503K Buy
+17,403
New +$502K ﹤0.01% 1114
2020
Q2 		– Sell
-10,267
Closed -$128K – 1678
2020
Q1 		$128K Sell
10,267
-48,783
-83% -$782K ﹤0.01% 1272
2019
Q4 		$1.07M Sell
59,050
-33,000
-36% -$525K 0.01% 763
2019
Q3 		$1.35M Buy
92,050
+31,400
+52% +$532K 0.01% 673
2019
Q2 		$1.16M Buy
+60,650
New +$1.08M 0.01% 724

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $181B AUM 41.77% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
NMC
New Mountain Capital New York $139M AUM 26.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

William Blair & Company's AVTR Position: Q4 2024 in Review

William Blair & Company sold out of Avantor (AVTR) in Q4 2024, closing a stake of 25,061 shares — an estimated $648K sold.

William Blair & Company first reported a position in AVTR in Q2 2019 and held it in 17 quarters. The position peaked at $2.63M in Q3 2021. 493 funds tracked by Wall St. Rank hold AVTR as of Q4 2024.

  • William Blair & Company reported no remaining Avantor position as of Q4 2024 after selling out during the quarter.
  • William Blair & Company sold 25,061 Avantor shares in Q4 2024, an estimated $648K.
  • William Blair & Company first reported a position in Avantor in Q2 2019 and held it in 17 quarters.
  • William Blair & Company's Avantor position peaked at $2.63M in Q3 2021.
  • 493 funds tracked by Wall St. Rank held Avantor as of Q4 2024.

Based on William Blair & Company's 13F filing for Q4 2024, filed 12 Feb 2025.