Robeco Institutional Asset Management
AVTR icon

Robeco Institutional Asset Management’s Avantor AVTR Stock Holding History

Robeco Institutional 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 		$1.23M Hold
124,432
– – ﹤0.01% 706
2026
Q1 		$976K Sell
124,432
-63,876
-34% -$628K ﹤0.01% 743
2025
Q4 		$2.16M Hold
188,308
– – ﹤0.01% 661
2025
Q3 		$2.35M Buy
188,308
+85,119
+82% +$1.1M ﹤0.01% 660
2025
Q2 		$1.39M Sell
103,189
-24,603
-19% -$337K ﹤0.01% 728
2025
Q1 		$2.07M Buy
127,792
+8,729
+7% +$165K ﹤0.01% 701
2024
Q4 		$2.51M Buy
119,063
+32,838
+38% +$738K ﹤0.01% 661
2024
Q3 		$2.23M Buy
86,225
+26,884
+45% +$660K ﹤0.01% 685
2024
Q2 		$1.26M Buy
59,341
+12,936
+28% +$311K ﹤0.01% 750
2024
Q1 		$1.19M Sell
46,405
-1,653
-3% -$39.3K ﹤0.01% 756
2023
Q4 		$1.1M Buy
48,058
+29,043
+153% +$595K ﹤0.01% 772
2023
Q3 		$401K Buy
19,015
+6,543
+52% +$139K ﹤0.01% 860
2023
Q2 		$256K Buy
12,472
+9,064
+266% +$183K ﹤0.01% 923
2023
Q1 		$72K Buy
+3,408
New +$77.7K ﹤0.01% 996
2022
Q4 		– Sell
-30,319
Closed -$594K – 949
2022
Q3 		$594K Sell
30,319
-22,347
-42% -$599K ﹤0.01% 754
2022
Q2 		$1.64M Sell
52,666
-5,554,291
-99% -$173M 0.01% 651
2022
Q1 		$190M Buy
5,606,957
+1,024,734
+22% +$36.6M 0.45% 54
2021
Q4 		$193M Buy
4,582,223
+2,038,993
+80% +$80.4M 0.41% 60
2021
Q3 		$104M Buy
2,543,230
+2,420,222
+1,968% +$94.6M 0.23% 114
2021
Q2 		$4.37M Buy
123,008
+7,781
+7% +$252K 0.01% 598
2021
Q1 		$3.33M Buy
115,227
+14,503
+14% +$419K 0.01% 602
2020
Q4 		$2.83M Buy
100,724
+21,475
+27% +$553K 0.01% 624
2020
Q3 		$1.78M Buy
79,249
+74,576
+1,596% +$1.55M 0.01% 644
2020
Q2 		$80K Buy
+4,673
New +$76.1K ﹤0.01% 921

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

Robeco Institutional Asset Management's AVTR Position: Q2 2026 in Review

Robeco Institutional Asset Management held its Avantor (AVTR) position steady in Q2 2026 at 124,432 shares worth $1.23M. The position accounts for ﹤0.01% of the portfolio, ranked #706.

Robeco Institutional Asset Management first reported a position in AVTR in Q2 2020 and has held it in 24 quarters since. The position peaked at $193M in Q4 2021. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Robeco Institutional Asset Management held 124,432 shares of Avantor worth $1.23M as of Q2 2026.
  • Robeco Institutional Asset Management left its Avantor share count unchanged in Q2 2026.
  • Avantor made up ﹤0.01% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #706 holding.
  • Robeco Institutional Asset Management first reported a position in Avantor in Q2 2020 and has held it in 24 quarters since.
  • Robeco Institutional Asset Management's Avantor position peaked at $193M in Q4 2021.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.