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Great Lakes Advisors’s Avantor AVTR Stock Holding History

Great Lakes Advisors’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
-1,075,946
Closed -$13.4M – 801
2025
Q3 		$13.4M Sell
1,075,946
-201,607
-16% -$2.6M 0.11% 142
2025
Q2 		$17.2M Sell
1,277,553
-4,387
-0.3% -$60K 0.14% 135
2025
Q1 		$20.4M Buy
1,281,940
+56,317
+5% +$1.07M 0.18% 118
2024
Q4 		$25.8M Sell
1,225,623
-45,362
-4% -$1.02M 0.22% 99
2024
Q3 		$32.9M Buy
1,270,985
+7,899
+0.6% +$194K 0.28% 94
2024
Q2 		$26.8M Sell
1,263,086
-120,012
-9% -$2.89M 0.24% 102
2024
Q1 		$35.4M Buy
1,383,098
+119,336
+9% +$2.84M 0.3% 90
2023
Q4 		$28.9M Sell
1,263,762
-45,345
-3% -$929K 0.27% 99
2023
Q3 		$27.6M Sell
1,309,107
-7,735
-0.6% -$165K 0.25% 98
2023
Q2 		$27M Sell
1,316,842
-242,998
-16% -$4.91M 0.27% 98
2023
Q1 		$33M Buy
+1,559,840
New +$35.5M 0.3% 88
2022
Q3 		– Sell
-7,388
Closed -$230K – 645
2022
Q2 		$230K Buy
+7,388
New +$231K ﹤0.01% 615

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Great Lakes Advisors's AVTR Position: Q4 2025 in Review

Great Lakes Advisors sold out of Avantor (AVTR) in Q4 2025, closing a stake of 1,075,946 shares — an estimated $13.4M sold.

Great Lakes Advisors first reported a position in AVTR in Q2 2022 and held it in 12 quarters. The position peaked at $35.4M in Q1 2024. 421 funds tracked by Wall St. Rank hold AVTR as of Q4 2025.

  • Great Lakes Advisors reported no remaining Avantor position as of Q4 2025 after selling out during the quarter.
  • Great Lakes Advisors sold 1,075,946 Avantor shares in Q4 2025, an estimated $13.4M.
  • Great Lakes Advisors first reported a position in Avantor in Q2 2022 and held it in 12 quarters.
  • Great Lakes Advisors's Avantor position peaked at $35.4M in Q1 2024.
  • 421 funds tracked by Wall St. Rank held Avantor as of Q4 2025.

Based on Great Lakes Advisors's 13F filing for Q4 2025, filed 12 Feb 2026.