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Sound Shore Management’s Avantor AVTR Stock Holding History

Sound Shore 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
Q2 		– Sell
-4,172,352
Closed -$67.6M – 37
2025
Q1 		$67.6M Sell
4,172,352
-509,183
-11% -$9.65M 2.37% 26
2024
Q4 		$98.6M Buy
4,681,535
+1,159,426
+33% +$26.1M 3.26% 5
2024
Q3 		$91.1M Sell
3,522,109
-82,236
-2% -$2.02M 2.96% 12
2024
Q2 		$76.4M Buy
+3,604,345
New +$86.8M 2.55% 21
2023
Q4 		– Sell
-3,989,327
Closed -$84.1M – 37
2023
Q3 		$84.1M Buy
3,989,327
+639,715
+19% +$13.6M 3.22% 5
2023
Q2 		$68.8M Sell
3,349,612
-540,791
-14% -$10.9M 2.54% 19
2023
Q1 		$82.2M Buy
+3,890,403
New +$88.7M 3.09% 12

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 Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
NMC
New Mountain Capital New York $139M AUM 26.45% 1-Year Est. Return
CCP
Clarkston Capital Partners Rochester, Michigan $1.18B AUM 0.37% 1-Year Est. Return

Sound Shore Management's AVTR Position: Q2 2025 in Review

Sound Shore Management sold out of Avantor (AVTR) in Q2 2025, closing a stake of 4,172,352 shares — an estimated $67.6M sold.

Sound Shore Management first reported a position in AVTR in Q1 2023 and held it in 7 quarters. The position peaked at $98.6M in Q4 2024. 505 funds tracked by Wall St. Rank hold AVTR as of Q2 2025.

  • Sound Shore Management reported no remaining Avantor position as of Q2 2025 after selling out during the quarter.
  • Sound Shore Management sold 4,172,352 Avantor shares in Q2 2025, an estimated $67.6M.
  • Sound Shore Management first reported a position in Avantor in Q1 2023 and held it in 7 quarters.
  • Sound Shore Management's Avantor position peaked at $98.6M in Q4 2024.
  • 505 funds tracked by Wall St. Rank held Avantor as of Q2 2025.

Based on Sound Shore Management's 13F filing for Q2 2025, filed 6 Aug 2025.