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
Q1 		– Sell
-178,800
Closed -$2.05M – 1282
2025
Q4 		$2.05M Buy
178,800
+100
+0.1% +$1.23K 0.02% 820
2025
Q3 		$2.23M Buy
+178,700
New +$2.3M 0.01% 1012
2024
Q2 		– Sell
-31,900
Closed -$816K – 1335
2024
Q1 		$816K Buy
+31,900
New +$759K ﹤0.01% 1080
2022
Q2 		– Sell
-174,400
Closed -$5.9M – 1484
2022
Q1 		$5.9M Buy
174,400
+154,400
+772% +$5.51M 0.01% 863
2021
Q4 		$843K Sell
20,000
-29,500
-60% -$1.16M ﹤0.01% 1269
2021
Q3 		$2.02M Sell
49,500
-258,400
-84% -$10.1M ﹤0.01% 1026
2021
Q2 		$10.9M Sell
307,900
-634,100
-67% -$20.5M 0.03% 486
2021
Q1 		$27.3M Buy
942,000
+99,300
+12% +$2.87M 0.1% 213
2020
Q4 		$23.7M Buy
842,700
+351,400
+72% +$9.06M 0.1% 238
2020
Q3 		$11M Buy
491,300
+489,800
+32,653% +$10.2M 0.05% 408
2020
Q2 		$26K Buy
+1,500
New +$24.4K ﹤0.01% 1369

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.