Brown Advisory
AVTR icon

Brown Advisory’s Avantor AVTR Stock Holding History

Brown Advisory’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
Q4 		– Sell
-12,350
Closed -$154K – 1392
2025
Q3 		$154K Sell
12,350
-1,718
-12% -$22.1K ﹤0.01% 1342
2025
Q2 		$189K Sell
14,068
-2,002
-12% -$27.4K ﹤0.01% 1301
2025
Q1 		$260K Sell
16,070
-113,682
-88% -$2.15M ﹤0.01% 1178
2024
Q4 		$2.73M Sell
129,752
-8,126
-6% -$183K ﹤0.01% 598
2024
Q3 		$3.57M Sell
137,878
-4,350
-3% -$107K ﹤0.01% 559
2024
Q2 		$3.02M Sell
142,228
-5,590
-4% -$135K ﹤0.01% 567
2024
Q1 		$3.78M Sell
147,818
-3,359,480
-96% -$79.9M 0.01% 539
2023
Q4 		$80.1M Sell
3,507,298
-377,556
-10% -$7.74M 0.11% 150
2023
Q3 		$81.9M Sell
3,884,854
-16,207
-0.4% -$345K 0.13% 134
2023
Q2 		$80.1M Sell
3,901,061
-43,251
-1% -$875K 0.13% 145
2023
Q1 		$83.4M Buy
3,944,312
+249,158
+7% +$5.68M 0.14% 139
2022
Q4 		$77.9M Buy
3,695,154
+723,081
+24% +$15M 0.14% 137
2022
Q3 		$58.3M Buy
2,972,073
+897,776
+43% +$24M 0.11% 160
2022
Q2 		$64.5M Buy
2,074,297
+394,331
+23% +$12.3M 0.12% 150
2022
Q1 		$56.8M Buy
+1,679,966
New +$59.9M 0.08% 183
2021
Q3 		– Sell
-5,853
Closed -$208K – 1106
2021
Q2 		$208K Buy
+5,853
New +$189K ﹤0.01% 1021

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
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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Brown Advisory's AVTR Position: Q4 2025 in Review

Brown Advisory sold out of Avantor (AVTR) in Q4 2025, closing a stake of 12,350 shares — an estimated $154K sold.

Brown Advisory first reported a position in AVTR in Q2 2021 and held it in 16 quarters. The position peaked at $83.4M in Q1 2023. 419 funds tracked by Wall St. Rank hold AVTR as of Q4 2025.

  • Brown Advisory reported no remaining Avantor position as of Q4 2025 after selling out during the quarter.
  • Brown Advisory sold 12,350 Avantor shares in Q4 2025, an estimated $154K.
  • Brown Advisory first reported a position in Avantor in Q2 2021 and held it in 16 quarters.
  • Brown Advisory's Avantor position peaked at $83.4M in Q1 2023.
  • 419 funds tracked by Wall St. Rank held Avantor as of Q4 2025.

Based on Brown Advisory's 13F filing for Q4 2025, filed 13 Feb 2026.