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Costello Asset Management’s Avantor AVTR Stock Holding History

Costello Asset 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 		$2.97K Hold
300
– – ﹤0.01% 636
2026
Q1 		$2.35K Hold
300
– – ﹤0.01% 626
2025
Q4 		$3.44K Hold
300
– – ﹤0.01% 595
2025
Q3 		$3.74K Hold
300
– – ﹤0.01% 570
2025
Q2 		$4.04K Hold
300
– – ﹤0.01% 577
2025
Q1 		$4.86K Buy
+300
New +$5.68K ﹤0.01% 530

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

Costello Asset Management's AVTR Position: Q2 2026 in Review

Costello Asset Management held its Avantor (AVTR) position steady in Q2 2026 at 300 shares worth $2.97K. The position accounts for ﹤0.01% of the portfolio, ranked #636.

Costello Asset Management first reported a position in AVTR in Q1 2025 and has held it in 6 quarters since. The position peaked at $4.86K in Q1 2025. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Costello Asset Management held 300 shares of Avantor worth $2.97K as of Q2 2026.
  • Costello Asset Management left its Avantor share count unchanged in Q2 2026.
  • Avantor made up ﹤0.01% of Costello Asset Management's portfolio in Q2 2026, its #636 holding.
  • Costello Asset Management first reported a position in Avantor in Q1 2025 and has held it in 6 quarters since.
  • Costello Asset Management's Avantor position peaked at $4.86K in Q1 2025.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Costello Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.