Millennium Management
AVTR icon

Millennium Management’s Avantor AVTR Stock Holding History

Millennium 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 		$784K Buy
+100,000
New +$984K ﹤0.01% 4547
2025
Q2 		– Sell
-150,000
Closed -$2.43M – 5848
2025
Q1 		$2.43M Buy
+150,000
New +$2.84M ﹤0.01% 3597
2024
Q4 		– Sell
-115,000
Closed -$2.98M – 5945
2024
Q3 		$2.98M Sell
115,000
-348,800
-75% -$8.56M ﹤0.01% 3325
2024
Q2 		$9.83M Buy
463,800
+412,500
+804% +$9.93M ﹤0.01% 2088
2024
Q1 		$1.31M Sell
51,300
-301,900
-85% -$7.18M ﹤0.01% 4074
2023
Q4 		$8.06M Buy
353,200
+228,200
+183% +$4.68M ﹤0.01% 2373
2023
Q3 		$2.63M Buy
+125,000
New +$2.66M ﹤0.01% 3302
2023
Q2 		– Sell
-40,000
Closed -$846K – 6101
2023
Q1 		$846K Sell
40,000
-61,900
-61% -$1.41M ﹤0.01% 4243
2022
Q4 		$2.15M Buy
101,900
+21,900
+27% +$453K ﹤0.01% 3506
2022
Q3 		$1.57M Buy
80,000
+60,000
+300% +$1.61M ﹤0.01% 3969
2022
Q2 		$622K Buy
+20,000
New +$624K ﹤0.01% 4781
2022
Q1 		– Sell
-87,500
Closed -$3.69M – 6888
2021
Q4 		$3.69M Buy
87,500
+27,500
+46% +$1.08M ﹤0.01% 3193
2021
Q3 		$2.45M Buy
60,000
+30,000
+100% +$1.17M ﹤0.01% 3668
2021
Q2 		$1.06M Sell
30,000
-147,600
-83% -$4.77M ﹤0.01% 4603
2021
Q1 		$5.14M Buy
+177,600
New +$5.13M ﹤0.01% 2540
2020
Q1 		– Sell
-100,000
Closed -$1.81M – 3827
2019
Q4 		$1.81M Buy
100,000
+80,000
+400% +$1.27M ﹤0.01% 2676
2019
Q3 		$294K Buy
+20,000
New +$339K ﹤0.01% 3581

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

Millennium Management's AVTR Position: Q1 2026 in Review

Millennium Management reduced its Avantor (AVTR) stake by 34% in Q1 2026, selling an estimated $12.1M and leaving 2,435,280 shares worth $19.1M. The position accounts for 0.01% of the portfolio, ranked #1594.

Millennium Management first reported a position in AVTR in Q2 2019 and has held it in 27 quarters since. The position peaked at $233M in Q4 2023. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Millennium Management held 2,435,280 shares of Avantor worth $19.1M as of Q1 2026.
  • Millennium Management sold 1,233,717 Avantor shares in Q1 2026, an estimated $12.1M.
  • Avantor made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1594 holding.
  • Millennium Management first reported a position in Avantor in Q2 2019 and has held it in 27 quarters since.
  • Millennium Management's Avantor position peaked at $233M in Q4 2023.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.