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 $182B AUM 14.68% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ECM
Engine Capital Management New York $828M AUM 6.49% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Twin Tree Management's AVTR Position: Q1 2026 in Review

Twin Tree Management sold out of Avantor (AVTR) in Q1 2026, closing a stake of 93,341 shares — an estimated $1.07M sold.

Twin Tree Management first reported a position in AVTR in Q2 2020 and held it in 12 quarters. The position peaked at $14.7M in Q4 2023. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Twin Tree Management reported no remaining Avantor position as of Q1 2026 after selling out during the quarter.
  • Twin Tree Management sold 93,341 Avantor shares in Q1 2026, an estimated $1.07M.
  • Twin Tree Management first reported a position in Avantor in Q2 2020 and held it in 12 quarters.
  • Twin Tree Management's Avantor position peaked at $14.7M in Q4 2023.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.