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Aaron Cowen’s Avantor AVTR Stock Holding History

Aaron Cowen’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
-71,850
Closed -$897K – 94
2025
Q3 		$897K Hold
71,850
– – 0.02% 84
2025
Q2 		$967K Hold
71,850
– – 0.03% 82
2025
Q1 		$1.16M Hold
71,850
– – 0.04% 87
2024
Q4 		$1.51M Hold
71,850
– – 0.05% 79
2024
Q3 		$1.86M Hold
71,850
– – 0.06% 76
2024
Q2 		$1.52M Hold
71,850
– – 0.06% 71
2024
Q1 		$1.84M Buy
71,850
+33,600
+88% +$799K 0.07% 76
2023
Q4 		$873K Hold
38,250
– – 0.04% 79
2023
Q3 		$806K Hold
38,250
– – 0.04% 80
2023
Q2 		$786K Buy
38,250
+22,850
+148% +$462K 0.04% 89
2023
Q1 		$326K Buy
+15,400
New +$351K 0.01% 90

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 $3.37T AUM 44.26% 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

Aaron Cowen's AVTR Position: Q4 2025 in Review

Aaron Cowen sold out of Avantor (AVTR) in Q4 2025, closing a stake of 71,850 shares — an estimated $897K sold.

Aaron Cowen first reported a position in AVTR in Q1 2023 and held it in 11 quarters. The position peaked at $1.86M in Q3 2024. 421 funds tracked by Wall St. Rank hold AVTR as of Q4 2025.

  • Aaron Cowen reported no remaining Avantor position as of Q4 2025 after selling out during the quarter.
  • Aaron Cowen sold 71,850 Avantor shares in Q4 2025, an estimated $897K.
  • Aaron Cowen first reported a position in Avantor in Q1 2023 and held it in 11 quarters.
  • Aaron Cowen's Avantor position peaked at $1.86M in Q3 2024.
  • 421 funds tracked by Wall St. Rank held Avantor as of Q4 2025.

Based on Suvretta Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.