Wellington Management Group
AVTR icon

Wellington Management Group’s Avantor AVTR Stock Holding History

Wellington Management 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 		$190M Buy
24,224,156
+787,520
+3% +$7.75M 0.04% 392
2025
Q4 		$269M Buy
+23,436,636
New +$288M 0.05% 321
2025
Q3 		– Sell
-82,608
Closed -$1.11M – 1982
2025
Q2 		$1.11M Buy
82,608
+216
+0.3% +$2.96K ﹤0.01% 1698
2025
Q1 		$1.34M Sell
82,392
-839,766
-91% -$15.9M ﹤0.01% 1642
2024
Q4 		$19.4M Sell
922,158
-99,943
-10% -$2.25M ﹤0.01% 978
2024
Q3 		$26.4M Buy
1,022,101
+165,565
+19% +$4.06M ﹤0.01% 880
2024
Q2 		$18.2M Sell
856,536
-2,007
-0.2% -$48.3K ﹤0.01% 985
2024
Q1 		$22M Sell
858,543
-461,372
-35% -$11M ﹤0.01% 924
2023
Q4 		$30.1M Sell
1,319,915
-7,713,728
-85% -$158M 0.01% 852
2023
Q3 		$190M Sell
9,033,643
-3,548,665
-28% -$75.5M 0.04% 379
2023
Q2 		$258M Sell
12,582,308
-72,623
-0.6% -$1.47M 0.05% 336
2023
Q1 		$268M Sell
12,654,931
-66,681
-0.5% -$1.52M 0.05% 326
2022
Q4 		$268M Sell
12,721,612
-224,064
-2% -$4.64M 0.05% 321
2022
Q3 		$254M Buy
12,945,676
+1,460,585
+13% +$39.1M 0.05% 309
2022
Q2 		$357M Buy
11,485,091
+11,462,672
+51,129% +$358M 0.07% 240
2022
Q1 		$758K Sell
22,419
-9,804
-30% -$350K ﹤0.01% 1789
2021
Q4 		$1.36M Sell
32,223
-8,822
-21% -$348K ﹤0.01% 1754
2021
Q3 		$1.68M Sell
41,045
-26,020
-39% -$1.02M ﹤0.01% 1711
2021
Q2 		$2.38M Sell
67,065
-21,159
-24% -$684K ﹤0.01% 1642
2021
Q1 		$2.55M Buy
88,224
+26,358
+43% +$761K ﹤0.01% 1575
2020
Q4 		$1.74M Buy
+61,866
New +$1.59M ﹤0.01% 1514
2019
Q4 		– Sell
-3,773,375
Closed -$55.5M – 2013
2019
Q3 		$55.5M Sell
3,773,375
-273,171
-7% -$4.63M 0.01% 701
2019
Q2 		$77.2M Buy
+4,046,546
New +$72M 0.02% 633

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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 $30.5B AUM 29.95% 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 $828M AUM 6.49% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Wellington Management Group's AVTR Position: Q1 2026 in Review

Wellington Management Group increased its Avantor (AVTR) stake by 3.4% in Q1 2026, buying an estimated $7.75M and bringing the position to 24,224,156 shares worth $190M. The position accounts for 0.04% of the portfolio, ranked #392.

Wellington Management Group first reported a position in AVTR in Q2 2019 and has held it in 23 quarters since. The position peaked at $357M in Q2 2022. 430 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Wellington Management Group held 24,224,156 shares of Avantor worth $190M as of Q1 2026.
  • Wellington Management Group bought 787,520 Avantor shares in Q1 2026, an estimated $7.75M.
  • Avantor made up 0.04% of Wellington Management Group's portfolio in Q1 2026, its #392 holding.
  • Wellington Management Group first reported a position in Avantor in Q2 2019 and has held it in 23 quarters since.
  • Wellington Management Group's Avantor position peaked at $357M in Q2 2022.
  • 430 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

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