Assenagon Asset Management
AVTR icon

Assenagon Asset Management’s Avantor AVTR Stock Holding History

Assenagon 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
2026
Q2 		$5.51M Buy
556,871
+450,801
+425% +$3.88M 0.01% 641
2026
Q1 		$832K Sell
106,070
-3,514,385
-97% -$34.6M ﹤0.01% 924
2025
Q4 		$41.5M Buy
+3,620,455
New +$44.6M 0.06% 246
2025
Q3 		– Sell
-41,860
Closed -$563K – 1176
2025
Q2 		$563K Buy
41,860
+3,575
+9% +$48.9K ﹤0.01% 1016
2025
Q1 		$621K Buy
38,285
+2,108
+6% +$39.9K ﹤0.01% 983
2024
Q4 		$762K Sell
36,177
-59,497
-62% -$1.34M ﹤0.01% 1141
2024
Q3 		$2.48M Sell
95,674
-37,841
-28% -$929K ﹤0.01% 888
2024
Q2 		$2.83M Buy
133,515
+106,992
+403% +$2.58M 0.01% 797
2024
Q1 		$678K Sell
26,523
-36,698
-58% -$873K ﹤0.01% 1141
2023
Q4 		$1.44M Buy
63,221
+32,539
+106% +$667K ﹤0.01% 1015
2023
Q3 		$647K Buy
30,682
+780
+3% +$16.6K ﹤0.01% 1151
2023
Q2 		$614K Buy
29,902
+1,610
+6% +$32.6K ﹤0.01% 1088
2023
Q1 		$598K Buy
28,292
+14,732
+109% +$336K ﹤0.01% 1186
2022
Q4 		$286K Hold
13,560
– – ﹤0.01% 1252
2022
Q3 		$266K Buy
13,560
+8,600
+173% +$230K ﹤0.01% 1233
2022
Q2 		$154K Buy
4,960
+259
+6% +$8.08K ﹤0.01% 1397
2022
Q1 		$159K Buy
+4,701
New +$168K ﹤0.01% 1368

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 Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GA
Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
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
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

Assenagon Asset Management's AVTR Position: Q2 2026 in Review

Assenagon Asset Management increased its Avantor (AVTR) stake by 425% in Q2 2026, buying an estimated $3.88M and bringing the position to 556,871 shares worth $5.51M. The position accounts for 0.01% of the portfolio, ranked #641.

Assenagon Asset Management first reported a position in AVTR in Q1 2022 and has held it in 17 quarters since. The position peaked at $41.5M in Q4 2025. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Assenagon Asset Management held 556,871 shares of Avantor worth $5.51M as of Q2 2026.
  • Assenagon Asset Management bought 450,801 Avantor shares in Q2 2026, an estimated $3.88M.
  • Avantor made up 0.01% of Assenagon Asset Management's portfolio in Q2 2026, its #641 holding.
  • Assenagon Asset Management first reported a position in Avantor in Q1 2022 and has held it in 17 quarters since.
  • Assenagon Asset Management's Avantor position peaked at $41.5M in Q4 2025.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.