Twin Tree Management
AVTR icon

Twin Tree Management’s Avantor AVTR Stock Holding History

Twin Tree 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 		$1.2K Buy
+121
New +$1.04K ﹤0.01% 1351
2026
Q1 		– Sell
-93,341
Closed -$1.07M – 1281
2025
Q4 		$1.07M Buy
+93,341
New +$1.15M 0.01% 998
2025
Q2 		– Sell
-185,371
Closed -$3M – 1598
2025
Q1 		$3M Buy
+185,371
New +$3.51M 0.01% 1048
2024
Q1 		– Sell
-642,313
Closed -$15.3M – 1260
2023
Q4 		$14.7M Buy
642,313
+413,637
+181% +$8.47M 0.03% 566
2023
Q3 		$4.82M Buy
228,676
+137,559
+151% +$2.93M 0.01% 688
2023
Q2 		$1.87M Buy
91,117
+61,570
+208% +$1.24M ﹤0.01% 933
2023
Q1 		$625K Buy
+29,547
New +$673K ﹤0.01% 1061
2022
Q2 		– Sell
-68,933
Closed -$2.33M – 1483
2022
Q1 		$2.33M Buy
68,933
+66,994
+3,455% +$2.39M ﹤0.01% 1133
2021
Q4 		$82K Sell
1,939
-3,404
-64% -$134K ﹤0.01% 1468
2021
Q3 		$219K Sell
5,343
-19,824
-79% -$775K ﹤0.01% 1394
2021
Q2 		$894K Sell
25,167
-36,983
-60% -$1.2M ﹤0.01% 1037
2021
Q1 		$1.8M Buy
+62,150
New +$1.79M 0.01% 874
2020
Q3 		– Sell
-523
Closed -$10.9K – 1218
2020
Q2 		$9K Buy
+523
New +$8.51K ﹤0.01% 1404

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

Twin Tree Management's AVTR Position: Q2 2026 in Review

Twin Tree Management opened a new position in Avantor (AVTR) in Q2 2026: 121 shares worth $1.2K. The stake represents ﹤0.01% of the portfolio and ranks #1351 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in AVTR as recently as Q4 2025.

Twin Tree Management first reported a position in AVTR in Q2 2020 and has held it in 13 quarters since. The position peaked at $14.7M in Q4 2023. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Twin Tree Management held 121 shares of Avantor worth $1.2K as of Q2 2026.
  • Avantor was a new Twin Tree Management position in Q2 2026.
  • Avantor made up ﹤0.01% of Twin Tree Management's portfolio in Q2 2026, its #1351 holding.
  • Twin Tree Management first reported a position in Avantor in Q2 2020 and has held it in 13 quarters since.
  • Twin Tree Management's Avantor position peaked at $14.7M in Q4 2023.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.