BlackRock
AVTR icon

BlackRock’s Avantor AVTR Stock Holding History

BlackRock’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 		$696M Buy
70,281,231
+4,577,677
+7% +$39.4M 0.01% 973
2026
Q1 		$515M Buy
65,703,554
+6,106,628
+10% +$60.1M 0.01% 1081
2025
Q4 		$683M Sell
59,596,926
-1,120,061
-2% -$13.8M 0.01% 891
2025
Q3 		$758M Sell
60,716,987
-11,188,159
-16% -$144M 0.01% 813
2025
Q2 		$968M Sell
71,905,146
-831,632
-1% -$11.4M 0.02% 655
2025
Q1 		$1.18B Buy
72,736,778
+1,834,302
+3% +$34.7M 0.02% 554
2024
Q4 		$1.49B Sell
70,902,476
-1,983,043
-3% -$44.6M 0.03% 479
2024
Q3 		$1.89B Buy
72,885,519
+28,878,171
+66% +$709M 0.04% 399
2024
Q2 		$933M Buy
44,007,348
+1,246,138
+3% +$30M 0.02% 619
2024
Q1 		$1.09B Sell
42,761,210
-3,085,273
-7% -$73.4M 0.03% 566
2023
Q4 		$1.05B Buy
45,846,483
+624,609
+1% +$12.8M 0.03% 557
2023
Q3 		$953M Buy
45,221,874
+561,042
+1% +$11.9M 0.03% 552
2023
Q2 		$917M Buy
44,660,832
+1,984,205
+5% +$40.1M 0.03% 574
2023
Q1 		$902M Buy
42,676,627
+3,316,276
+8% +$75.6M 0.03% 575
2022
Q4 		$830M Buy
39,360,351
+1,249,332
+3% +$25.9M 0.03% 583
2022
Q3 		$747M Sell
38,111,019
-1,728,812
-4% -$46.3M 0.03% 603
2022
Q2 		$1.24B Sell
39,839,831
-522,729
-1% -$16.3M 0.04% 428
2022
Q1 		$1.37B Buy
40,362,560
+1,945,630
+5% +$69.4M 0.04% 467
2021
Q4 		$1.62B Buy
38,416,930
+192,616
+0.5% +$7.59M 0.04% 440
2021
Q3 		$1.56B Buy
38,224,314
+2,937,760
+8% +$115M 0.04% 426
2021
Q2 		$1.25B Sell
35,286,554
-827,690
-2% -$26.8M 0.03% 506
2021
Q1 		$1.04B Buy
36,114,244
+3,264,774
+10% +$94.3M 0.03% 564
2020
Q4 		$925M Buy
32,849,470
+3,081,641
+10% +$79.4M 0.03% 562
2020
Q3 		$669M Buy
29,767,829
+3,757,281
+14% +$78.1M 0.02% 605
2020
Q2 		$442M Buy
26,010,548
+8,840,832
+51% +$144M 0.02% 793
2020
Q1 		$214M Buy
17,169,716
+961,784
+6% +$15.4M 0.01% 1108
2019
Q4 		$294M Sell
16,207,932
-833,357
-5% -$13.3M 0.01% 1194
2019
Q3 		$251M Buy
17,041,289
+5,753,580
+51% +$97.5M 0.01% 1239
2019
Q2 		$215M Buy
+11,287,709
New +$201M 0.01% 1383

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

BlackRock's AVTR Position: Q2 2026 in Review

BlackRock increased its Avantor (AVTR) stake by 7% in Q2 2026, buying an estimated $39.4M and bringing the position to 70,281,231 shares worth $696M. The position accounts for 0.01% of the portfolio, ranked #973.

BlackRock first reported a position in AVTR in Q2 2019 and has held it in 29 quarters since. The position peaked at $1.89B in Q3 2024. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • BlackRock held 70,281,231 shares of Avantor worth $696M as of Q2 2026.
  • BlackRock bought 4,577,677 Avantor shares in Q2 2026, an estimated $39.4M.
  • Avantor made up 0.01% of BlackRock's portfolio in Q2 2026, its #973 holding.
  • BlackRock first reported a position in Avantor in Q2 2019 and has held it in 29 quarters since.
  • BlackRock's Avantor position peaked at $1.89B in Q3 2024.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.