Janus Henderson Group
AVTR icon

Janus Henderson Group’s Avantor AVTR Stock Holding History

Janus Henderson Group’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
Q1 		$2.42M Hold
307,978
– – ﹤0.01% 1261
2025
Q4 		$3.53M Buy
307,978
+20,572
+7% +$253K ﹤0.01% 1075
2025
Q3 		$3.59M Sell
287,406
-9,403,309
-97% -$121M ﹤0.01% 1058
2025
Q2 		$130M Sell
9,690,715
-9,016,586
-48% -$123M 0.06% 232
2025
Q1 		$303M Buy
18,707,301
+571,095
+3% +$10.8M 0.17% 141
2024
Q4 		$382M Buy
18,136,206
+443,501
+3% +$9.97M 0.19% 118
2024
Q3 		$458M Buy
17,692,705
+2,719,615
+18% +$66.8M 0.23% 101
2024
Q2 		$317M Buy
14,973,090
+716,090
+5% +$17.2M 0.17% 126
2024
Q1 		$365M Sell
14,257,000
-417,225
-3% -$9.93M 0.2% 121
2023
Q4 		$335M Buy
14,674,225
+194,471
+1% +$3.98M 0.2% 125
2023
Q3 		$305M Buy
14,479,754
+722,585
+5% +$15.4M 0.2% 122
2023
Q2 		$283M Buy
13,757,169
+745,480
+6% +$15.1M 0.18% 136
2023
Q1 		$275M Buy
13,011,689
+2,105,370
+19% +$48M 0.18% 131
2022
Q4 		$230M Buy
10,906,319
+728,338
+7% +$15.1M 0.16% 142
2022
Q3 		$199M Sell
10,177,981
-55,201
-0.5% -$1.48M 0.15% 155
2022
Q2 		$318M Buy
10,233,182
+4,927,709
+93% +$154M 0.22% 118
2022
Q1 		$179M Buy
5,305,473
+4,971,111
+1,487% +$177M 0.09% 221
2021
Q4 		$14.1M Buy
334,362
+269,902
+419% +$10.6M 0.01% 858
2021
Q3 		$2.64M Sell
64,460
-7,667
-11% -$300K ﹤0.01% 1193
2021
Q2 		$2.56M Buy
72,127
+501
+0.7% +$16.2K ﹤0.01% 1195
2021
Q1 		$2.07M Buy
71,626
+27,619
+63% +$797K ﹤0.01% 1185
2020
Q4 		$1.24M Buy
44,007
+2,435
+6% +$62.8K ﹤0.01% 1183
2020
Q3 		$934K Buy
41,572
+6,215
+18% +$129K ﹤0.01% 1142
2020
Q2 		$601K Buy
+35,357
New +$576K ﹤0.01% 1175

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 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
ECM
Engine Capital Management New York $1.03B AUM 4.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Janus Henderson Group's AVTR Position: Q1 2026 in Review

Janus Henderson Group held its Avantor (AVTR) position steady in Q1 2026 at 307,978 shares worth $2.42M. The position accounts for ﹤0.01% of the portfolio, ranked #1261.

Janus Henderson Group first reported a position in AVTR in Q2 2020 and has held it in 24 quarters since. The position peaked at $458M in Q3 2024. 433 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Janus Henderson Group held 307,978 shares of Avantor worth $2.42M as of Q1 2026.
  • Janus Henderson Group left its Avantor share count unchanged in Q1 2026.
  • Avantor made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #1261 holding.
  • Janus Henderson Group first reported a position in Avantor in Q2 2020 and has held it in 24 quarters since.
  • Janus Henderson Group's Avantor position peaked at $458M in Q3 2024.
  • 433 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.