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
Q2 		$7.46M Sell
753,575
-1,681,705
-69% -$14.5M ﹤0.01% 2616
2026
Q1 		$19.1M Sell
2,435,280
-1,233,717
-34% -$12.1M 0.01% 1594
2025
Q4 		$42M Buy
3,668,997
+966,487
+36% +$11.9M 0.02% 927
2025
Q3 		$33.7M Buy
2,702,510
+2,689,632
+20,885% +$34.7M 0.01% 1162
2025
Q2 		$173K Sell
12,878
-5,292,442
-100% -$72.4M ﹤0.01% 5408
2025
Q1 		$86M Buy
+5,305,320
New +$100M 0.05% 426
2024
Q4 		– Sell
-2,020,361
Closed -$45.4M – 5946
2024
Q3 		$52.3M Sell
2,020,361
-539,768
-21% -$13.3M 0.02% 788
2024
Q2 		$54.3M Sell
2,560,129
-2,461,837
-49% -$59.3M 0.03% 743
2024
Q1 		$128M Sell
5,021,966
-5,162,583
-51% -$123M 0.05% 350
2023
Q4 		$233M Buy
10,184,549
+2,846,498
+39% +$58.3M 0.1% 145
2023
Q3 		$155M Buy
7,338,051
+2,464,852
+51% +$52.4M 0.08% 184
2023
Q2 		$100M Buy
4,873,199
+3,445,637
+241% +$69.7M 0.05% 363
2023
Q1 		$30.2M Sell
1,427,562
-3,253,212
-70% -$74.1M 0.02% 1025
2022
Q4 		$98.7M Buy
4,680,774
+1,556,550
+50% +$32.2M 0.05% 382
2022
Q3 		$61.2M Sell
3,124,224
-1,391,734
-31% -$37.3M 0.04% 567
2022
Q2 		$140M Buy
4,515,958
+3,514,936
+351% +$110M 0.09% 162
2022
Q1 		$33.9M Sell
1,001,022
-2,576,143
-72% -$91.9M 0.02% 932
2021
Q4 		$151M Buy
3,577,165
+580,704
+19% +$22.9M 0.08% 213
2021
Q3 		$123M Buy
2,996,461
+249,626
+9% +$9.75M 0.07% 244
2021
Q2 		$97.5M Sell
2,746,835
-374,235
-12% -$12.1M 0.06% 312
2021
Q1 		$90.3M Sell
3,121,070
-1,318,567
-30% -$38.1M 0.06% 257
2020
Q4 		$125M Sell
4,439,637
-393,042
-8% -$10.1M 0.09% 159
2020
Q3 		$109M Buy
4,832,679
+1,646,346
+52% +$34.2M 0.13% 110
2020
Q2 		$54.2M Sell
3,186,333
-45,423
-1% -$739K 0.07% 259
2020
Q1 		$40.4M Sell
3,231,756
-1,254,569
-28% -$20.1M 0.09% 211
2019
Q4 		$81.4M Buy
4,486,325
+3,252,707
+264% +$51.8M 0.1% 194
2019
Q3 		$18.1M Sell
1,233,618
-1,962,834
-61% -$33.2M 0.03% 845
2019
Q2 		$61M Buy
+3,196,452
New +$56.9M 0.09% 262

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

Millennium Management's AVTR Position: Q2 2026 in Review

Millennium Management reduced its Avantor (AVTR) stake by 69% in Q2 2026, selling an estimated $14.5M and leaving 753,575 shares worth $7.46M. The position accounts for ﹤0.01% of the portfolio, ranked #2616.

Millennium Management first reported a position in AVTR in Q2 2019 and has held it in 28 quarters since. The position peaked at $233M in Q4 2023. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Millennium Management held 753,575 shares of Avantor worth $7.46M as of Q2 2026.
  • Millennium Management sold 1,681,705 Avantor shares in Q2 2026, an estimated $14.5M.
  • Avantor made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #2616 holding.
  • Millennium Management first reported a position in Avantor in Q2 2019 and has held it in 28 quarters since.
  • Millennium Management's Avantor position peaked at $233M in Q4 2023.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.