Walleye Trading
AVTR icon

Walleye Trading’s Avantor AVTR Stock Holding History

Walleye Trading’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 		$99K Buy
10,000
+9,700
+3,233% +$83.5K ﹤0.01% 3405
2026
Q1 		$2.35K Sell
300
-20,300
-99% -$200K ﹤0.01% 3998
2025
Q4 		$236K Buy
20,600
+16,300
+379% +$201K ﹤0.01% 3305
2025
Q3 		$53.7K Sell
4,300
-11,100
-72% -$143K ﹤0.01% 3938
2025
Q2 		$207K Buy
15,400
+14,700
+2,100% +$201K ﹤0.01% 3216
2025
Q1 		$11.3K Buy
+700
New +$13.3K ﹤0.01% 3840
2024
Q2 		– Sell
-41,700
Closed -$1.07M – 4269
2024
Q1 		$1.07M Buy
41,700
+8,100
+24% +$193K ﹤0.01% 2186
2023
Q4 		$767K Sell
33,600
-21,300
-39% -$436K ﹤0.01% 2713
2023
Q3 		$1.16M Buy
54,900
+6,700
+14% +$143K ﹤0.01% 2251
2023
Q2 		$990K Buy
48,200
+29,800
+162% +$603K ﹤0.01% 2181
2023
Q1 		$389K Buy
18,400
+5,000
+37% +$114K ﹤0.01% 2998
2022
Q4 		$283K Sell
13,400
-19,300
-59% -$400K ﹤0.01% 3299
2022
Q3 		$641K Buy
32,700
+16,600
+103% +$445K ﹤0.01% 2668
2022
Q2 		$501K Buy
16,100
+8,500
+112% +$265K ﹤0.01% 2910
2022
Q1 		$257K Buy
7,600
+6,900
+986% +$246K ﹤0.01% 3576
2021
Q4 		$29K Sell
700
-6,300
-90% -$248K ﹤0.01% 4824
2021
Q3 		$286K Sell
7,000
-3,000
-30% -$117K ﹤0.01% 3498
2021
Q2 		$355K Sell
10,000
-2,100
-17% -$67.9K ﹤0.01% 3318
2021
Q1 		$350K Sell
12,100
-5,100
-30% -$147K ﹤0.01% 3069
2020
Q4 		$484K Buy
17,200
+6,500
+61% +$168K ﹤0.01% 2692
2020
Q3 		$241K Sell
10,700
-49,600
-82% -$1.03M ﹤0.01% 2862
2020
Q2 		$1.02M Buy
+60,300
New +$982K 0.01% 1645

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 $3.38T AUM 44.17% 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

Walleye Trading's AVTR Position: Q2 2026 in Review

Walleye Trading increased its Avantor (AVTR) stake by 439% in Q2 2026, buying an estimated $22.3K and bringing the position to 3,187 shares worth $31.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3679.

Walleye Trading first reported a position in AVTR in Q2 2020 and has held it in 13 quarters since. The position peaked at $2.14M in Q4 2023. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Walleye Trading held 3,187 shares of Avantor worth $31.6K as of Q2 2026.
  • Walleye Trading bought 2,596 Avantor shares in Q2 2026, an estimated $22.3K.
  • Avantor made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #3679 holding.
  • Walleye Trading first reported a position in Avantor in Q2 2020 and has held it in 13 quarters since.
  • Walleye Trading's Avantor position peaked at $2.14M in Q4 2023.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.