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Engine Capital Management’s Avantor AVTR Stock Holding History

Engine Capital 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
2026
Q2 		$197M Buy
19,860,830
+80,000
+0.4% +$689K 19.13% 1
2026
Q1 		$155M Buy
19,780,830
+7,853,018
+66% +$77.3M 18.72% 1
2025
Q4 		$137M Sell
11,927,812
-7,792,618
-40% -$95.9M 18.87% 1
2025
Q3 		$246M Buy
19,720,430
+14,216,121
+258% +$183M 29.22% 1
2025
Q2 		$74.1M Buy
+5,504,309
New +$75.3M 15.65% 1

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
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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Engine Capital Management's AVTR Position: Q2 2026 in Review

Engine Capital Management increased its Avantor (AVTR) stake by 0.4% in Q2 2026, buying an estimated $689K and bringing the position to 19,860,830 shares worth $197M. The position accounts for 19.13% of the portfolio, ranked #1.

Engine Capital Management first reported a position in AVTR in Q2 2025 and has held it in 5 quarters since. The position peaked at $246M in Q3 2025. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Engine Capital Management held 19,860,830 shares of Avantor worth $197M as of Q2 2026.
  • Engine Capital Management bought 80,000 Avantor shares in Q2 2026, an estimated $689K.
  • Avantor made up 19.13% of Engine Capital Management's portfolio in Q2 2026, its #1 holding.
  • Engine Capital Management first reported a position in Avantor in Q2 2025 and has held it in 5 quarters since.
  • Engine Capital Management's Avantor position peaked at $246M in Q3 2025.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

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