Marshall Wace
AVTR icon

Marshall Wace’s Avantor AVTR Stock Holding History

Marshall Wace’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 		$130M Buy
13,130,158
+9,692,325
+282% +$83.4M 0.1% 155
2026
Q1 		$27M Buy
+3,437,833
New +$33.8M 0.03% 595
2025
Q2 		– Sell
-169,272
Closed -$2.74M – 2698
2025
Q1 		$2.74M Buy
169,272
+159,656
+1,660% +$3.02M ﹤0.01% 1331
2024
Q4 		$203K Buy
+9,616
New +$216K ﹤0.01% 2346
2024
Q3 		– Sell
-66,399
Closed -$1.41M – 2496
2024
Q2 		$1.41M Sell
66,399
-1,759,545
-96% -$42.4M ﹤0.01% 1530
2024
Q1 		$46.7M Buy
1,825,944
+1,063,671
+140% +$25.3M 0.07% 272
2023
Q4 		$17.4M Buy
+762,273
New +$15.6M 0.03% 517
2023
Q2 		– Sell
-10,117
Closed -$214K – 2455
2023
Q1 		$214K Sell
10,117
-34,763
-77% -$792K ﹤0.01% 2399
2022
Q4 		$947K Sell
44,880
-1,281,731
-97% -$26.5M ﹤0.01% 2116
2022
Q3 		$26M Buy
+1,326,611
New +$35.5M 0.06% 370
2021
Q4 		– Sell
-30,516
Closed -$1.25M – 3846
2021
Q3 		$1.25M Buy
+30,516
New +$1.19M 0.01% 1876
2021
Q1 		– Sell
-184,465
Closed -$5.19M – 2463
2020
Q4 		$5.19M Sell
184,465
-721,947
-80% -$18.6M 0.03% 568
2020
Q3 		$20.4M Sell
906,412
-402,884
-31% -$8.38M 0.13% 167
2020
Q2 		$22.3M Buy
1,309,296
+471,288
+56% +$7.67M 0.16% 144
2020
Q1 		$10.5M Sell
838,008
-4,792,254
-85% -$76.8M 0.1% 205
2019
Q4 		$102M Buy
5,630,262
+4,140,519
+278% +$65.9M 0.7% 18
2019
Q3 		$21.9M Buy
1,489,743
+940,241
+171% +$15.9M 0.17% 135
2019
Q2 		$10.5M Buy
+549,502
New +$9.78M 0.09% 267

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

Marshall Wace's AVTR Position: Q2 2026 in Review

Marshall Wace increased its Avantor (AVTR) stake by 282% in Q2 2026, buying an estimated $83.4M and bringing the position to 13,130,158 shares worth $130M. The position accounts for 0.1% of the portfolio, ranked #155.

Marshall Wace first reported a position in AVTR in Q2 2019 and has held it in 18 quarters since. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Marshall Wace held 13,130,158 shares of Avantor worth $130M as of Q2 2026.
  • Marshall Wace bought 9,692,325 Avantor shares in Q2 2026, an estimated $83.4M.
  • Avantor made up 0.1% of Marshall Wace's portfolio in Q2 2026, its #155 holding.
  • Marshall Wace first reported a position in Avantor in Q2 2019 and has held it in 18 quarters since.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.