Balyasny Asset Management
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Balyasny Asset Management’s Avantor AVTR Stock Holding History

Balyasny Asset 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
2025
Q3 		– Sell
-3,185,206
Closed -$42.9M – 2903
2025
Q2 		$42.9M Buy
+3,185,206
New +$43.6M 0.06% 390
2024
Q3 		– Sell
-1,298,966
Closed -$27.5M – 2734
2024
Q2 		$27.5M Sell
1,298,966
-1,379,631
-52% -$33.2M 0.05% 494
2024
Q1 		$68.5M Buy
2,678,597
+2,525,224
+1,646% +$60.1M 0.12% 212
2023
Q4 		$3.5M Sell
153,373
-3,996,792
-96% -$81.9M 0.01% 1259
2023
Q3 		$87.5M Buy
4,150,165
+4,134,915
+27,114% +$88M 0.18% 124
2023
Q2 		$313K Sell
15,250
-1,646,654
-99% -$33.3M ﹤0.01% 1981
2023
Q1 		$35.1M Buy
1,661,904
+97,927
+6% +$2.23M 0.09% 318
2022
Q4 		$33M Sell
1,563,977
-81,433
-5% -$1.69M 0.09% 291
2022
Q3 		$32.3M Buy
1,645,410
+792,615
+93% +$21.2M 0.1% 270
2022
Q2 		$26.5M Sell
852,795
-995,315
-54% -$31.1M 0.09% 330
2022
Q1 		$62.5M Buy
1,848,110
+857,739
+87% +$30.6M 0.2% 96
2021
Q4 		$41.7M Buy
990,371
+713,234
+257% +$28.1M 0.14% 179
2021
Q3 		$11.3M Buy
+277,137
New +$10.8M 0.05% 519
2021
Q2 		– Sell
-230,784
Closed -$6.68M – 1951
2021
Q1 		$6.68M Sell
230,784
-542,726
-70% -$15.7M 0.03% 593
2020
Q4 		$21.8M Sell
773,510
-1,033,606
-57% -$26.6M 0.12% 234
2020
Q3 		$40.6M Buy
+1,807,116
New +$37.6M 0.3% 65
2020
Q2 		– Sell
-665,068
Closed -$8.31M – 1121
2020
Q1 		$8.31M Sell
665,068
-155,033
-19% -$2.49M 0.1% 281
2019
Q4 		$14.9M Buy
+820,101
New +$13.1M 0.09% 324

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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
GA
Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
CCP
Clarkston Capital Partners Rochester, Michigan $1.31B AUM 3.79% 1-Year Est. Return

Balyasny Asset Management's AVTR Position: Q3 2025 in Review

Balyasny Asset Management sold out of Avantor (AVTR) in Q3 2025, closing a stake of 3,185,206 shares — an estimated $42.9M sold.

Balyasny Asset Management first reported a position in AVTR in Q4 2019 and held it in 18 quarters. The position peaked at $87.5M in Q3 2023. 465 funds tracked by Wall St. Rank hold AVTR as of Q3 2025.

  • Balyasny Asset Management reported no remaining Avantor position as of Q3 2025 after selling out during the quarter.
  • Balyasny Asset Management sold 3,185,206 Avantor shares in Q3 2025, an estimated $42.9M.
  • Balyasny Asset Management first reported a position in Avantor in Q4 2019 and held it in 18 quarters.
  • Balyasny Asset Management's Avantor position peaked at $87.5M in Q3 2023.
  • 465 funds tracked by Wall St. Rank held Avantor as of Q3 2025.

Based on Balyasny Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.