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Edgar Wachenheim’s Avantor AVTR Stock Holding History

Edgar Wachenheim’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 		$244M Buy
24,637,310
+2,043,472
+9% +$17.6M 2.82% 13
2026
Q1 		$177M Buy
22,593,838
+2,093,185
+10% +$20.6M 2.92% 13
2025
Q4 		$235M Buy
20,500,653
+2,189,083
+12% +$26.9M 3.81% 7
2025
Q3 		$229M Buy
+18,311,570
New +$236M 3.48% 8

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

Edgar Wachenheim's AVTR Position: Q2 2026 in Review

Edgar Wachenheim increased its Avantor (AVTR) stake by 9% in Q2 2026, buying an estimated $17.6M and bringing the position to 24,637,310 shares worth $244M. The position accounts for 2.82% of the portfolio, ranked #13.

Edgar Wachenheim first reported a position in AVTR in Q3 2025 and has held it in 4 quarters since. 456 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Edgar Wachenheim held 24,637,310 shares of Avantor worth $244M as of Q2 2026.
  • Edgar Wachenheim bought 2,043,472 Avantor shares in Q2 2026, an estimated $17.6M.
  • Avantor made up 2.82% of Edgar Wachenheim's portfolio in Q2 2026, its #13 holding.
  • Edgar Wachenheim first reported a position in Avantor in Q3 2025 and has held it in 4 quarters since.
  • 456 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Greenhaven Associates's 13F filing for Q2 2026, filed 28 Jul 2026.