XT
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XTX Topco’s Avantor AVTR Stock Holding History

XTX Topco’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 		$2.9M Buy
369,493
+332,701
+904% +$3.27M 0.05% 581
2025
Q4 		$422K Sell
36,792
-107,181
-74% -$1.32M 0.01% 1768
2025
Q3 		$1.8M Buy
+143,973
New +$1.86M 0.09% 250
2025
Q1 		– Sell
-30,385
Closed -$640K – 2408
2024
Q4 		$640K Sell
30,385
-66,032
-68% -$1.48M 0.05% 566
2024
Q3 		$2.49M Buy
96,417
+54,489
+130% +$1.34M 0.18% 93
2024
Q2 		$889K Buy
+41,928
New +$1.01M 0.08% 401
2024
Q1 		– Sell
-10,613
Closed -$242K – 1837
2023
Q4 		$242K Buy
+10,613
New +$217K 0.05% 803
2023
Q2 		– Sell
-42,760
Closed -$904K – 1412
2023
Q1 		$904K Buy
42,760
+11,542
+37% +$263K 0.19% 59
2022
Q4 		$658K Sell
31,218
-8,519
-21% -$176K 0.14% 193
2022
Q3 		$779K Buy
+39,737
New +$1.06M 0.19% 90
2021
Q3 		– Sell
-17,675
Closed -$628K – 684
2021
Q2 		$628K Sell
17,675
-1,846
-9% -$59.7K 0.21% 118
2021
Q1 		$565K Buy
+19,521
New +$564K 0.27% 64

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

XTX Topco's AVTR Position: Q1 2026 in Review

XTX Topco increased its Avantor (AVTR) stake by 904% in Q1 2026, buying an estimated $3.27M and bringing the position to 369,493 shares worth $2.9M. The position accounts for 0.05% of the portfolio, ranked #581.

XTX Topco first reported a position in AVTR in Q1 2021 and has held it in 12 quarters since. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • XTX Topco held 369,493 shares of Avantor worth $2.9M as of Q1 2026.
  • XTX Topco bought 332,701 Avantor shares in Q1 2026, an estimated $3.27M.
  • Avantor made up 0.05% of XTX Topco's portfolio in Q1 2026, its #581 holding.
  • XTX Topco first reported a position in Avantor in Q1 2021 and has held it in 12 quarters since.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.