Jane Street
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Jane Street’s Avantor AVTR Stock Holding History

Jane Street’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 		$38.9M Buy
4,966,462
+1,134,645
+30% +$11.2M 0.01% 1226
2025
Q4 		$43.9M Buy
3,831,817
+3,800,806
+12,256% +$46.8M 0.01% 1033
2025
Q3 		$387K Buy
+31,011
New +$400K ﹤0.01% 8386
2025
Q1 		– Sell
-12,117
Closed -$230K – 9402
2024
Q4 		$255K Sell
12,117
-279,244
-96% -$6.28M ﹤0.01% 7996
2024
Q3 		$7.54M Sell
291,361
-1,239,124
-81% -$30.4M ﹤0.01% 2254
2024
Q2 		$32.4M Sell
1,530,485
-1,009,419
-40% -$24.3M 0.01% 931
2024
Q1 		$64.9M Buy
2,539,904
+154,261
+6% +$3.67M 0.01% 516
2023
Q4 		$54.5M Buy
2,385,643
+1,312,696
+122% +$26.9M 0.01% 637
2023
Q3 		$22.6M Buy
1,072,947
+723,893
+207% +$15.4M 0.01% 1011
2023
Q2 		$7.17M Buy
349,054
+234,571
+205% +$4.74M ﹤0.01% 2282
2023
Q1 		$2.42M Sell
114,483
-35,192
-24% -$802K ﹤0.01% 3491
2022
Q4 		$3.16M Sell
149,675
-10,710
-7% -$222K ﹤0.01% 3141
2022
Q3 		$3.14M Buy
160,385
+144,020
+880% +$3.86M ﹤0.01% 3366
2022
Q2 		$509K Sell
16,365
-51,469
-76% -$1.61M ﹤0.01% 6703
2022
Q1 		$2.29M Buy
67,834
+41,856
+161% +$1.49M ﹤0.01% 4487
2021
Q4 		$1.09M Sell
25,978
-30,288
-54% -$1.19M ﹤0.01% 5708
2021
Q3 		$2.3M Buy
56,266
+48,623
+636% +$1.9M ﹤0.01% 4193
2021
Q2 		$271K Sell
7,643
-12,579
-62% -$407K ﹤0.01% 8328
2021
Q1 		$585K Sell
20,222
-24,325
-55% -$702K ﹤0.01% 6519
2020
Q4 		$1.25M Sell
44,547
-24,889
-36% -$641K ﹤0.01% 4292
2020
Q3 		$1.56M Sell
69,436
-56,832
-45% -$1.18M ﹤0.01% 3396
2020
Q2 		$2.15M Buy
+126,268
New +$2.06M ﹤0.01% 2969
2020
Q1 		– Sell
-91,705
Closed -$1.66M – 5281
2019
Q4 		$1.66M Buy
+91,705
New +$1.46M ﹤0.01% 2157
2019
Q3 		– Sell
-47,865
Closed -$811K – 5042
2019
Q2 		$914K Buy
+47,865
New +$852K ﹤0.01% 2820

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 $8.66B AUM 17.37% 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

Jane Street's AVTR Position: Q1 2026 in Review

Jane Street increased its Avantor (AVTR) stake by 30% in Q1 2026, buying an estimated $11.2M and bringing the position to 4,966,462 shares worth $38.9M. The position accounts for 0.01% of the portfolio, ranked #1226.

Jane Street first reported a position in AVTR in Q2 2019 and has held it in 24 quarters since. The position peaked at $64.9M in Q1 2024. 430 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Jane Street held 4,966,462 shares of Avantor worth $38.9M as of Q1 2026.
  • Jane Street bought 1,134,645 Avantor shares in Q1 2026, an estimated $11.2M.
  • Avantor made up 0.01% of Jane Street's portfolio in Q1 2026, its #1226 holding.
  • Jane Street first reported a position in Avantor in Q2 2019 and has held it in 24 quarters since.
  • Jane Street's Avantor position peaked at $64.9M in Q1 2024.
  • 430 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.