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Lee Ainslie’s Avantor AVTR Stock Holding History

Lee Ainslie’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 		– Sell
-100,814
Closed -$790K – 191
2026
Q1 		$790K Buy
+100,814
New +$992K 0.01% 164
2023
Q1 		– Sell
-5,566,009
Closed -$117M – 455
2022
Q4 		$117M Sell
5,566,009
-563,896
-9% -$11.7M 2.78% 6
2022
Q3 		$120M Buy
+6,129,905
New +$164M 2.71% 8
2021
Q3 		– Sell
-2,534
Closed -$90K – 648
2021
Q2 		$90K Buy
2,534
+1,799
+245% +$58.2K ﹤0.01% 572
2021
Q1 		$21K Sell
735
-923,563
-100% -$26.7M ﹤0.01% 668
2020
Q4 		$26M Sell
924,298
-553,821
-37% -$14.3M 0.42% 42
2020
Q3 		$33.2M Sell
1,478,119
-3,562,643
-71% -$74.1M 0.62% 35
2020
Q2 		$85.7M Sell
5,040,762
-584,361
-10% -$9.51M 1.8% 16
2020
Q1 		$70.3M Buy
5,625,123
+1,980,755
+54% +$31.8M 1.48% 19
2019
Q4 		$66.1M Buy
+3,644,368
New +$58M 0.96% 25

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

Lee Ainslie's AVTR Position: Q2 2026 in Review

Lee Ainslie sold out of Avantor (AVTR) in Q2 2026, closing a stake of 100,814 shares — an estimated $790K sold.

Lee Ainslie first reported a position in AVTR in Q4 2019 and held it in 10 quarters. The position peaked at $120M in Q3 2022. 456 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Lee Ainslie reported no remaining Avantor position as of Q2 2026 after selling out during the quarter.
  • Lee Ainslie sold 100,814 Avantor shares in Q2 2026, an estimated $790K.
  • Lee Ainslie first reported a position in Avantor in Q4 2019 and held it in 10 quarters.
  • Lee Ainslie's Avantor position peaked at $120M in Q3 2022.
  • 456 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Maverick Capital's 13F filing for Q2 2026, filed 14 Aug 2026.