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Westside Investment Management’s Avantor AVTR Stock Holding History

Westside Investment 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
Q3 		– Sell
-435
Closed -$6.05K – 1385
2025
Q2 		$6.05K Buy
+435
New +$5.95K ﹤0.01% 1121

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ECM
Engine Capital Management New York $828M AUM 6.49% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
CCP
Clarkston Capital Partners Rochester, Michigan $1.31B AUM 3.79% 1-Year Est. Return

Westside Investment Management's AVTR Position: Q3 2025 in Review

Westside Investment Management sold out of Avantor (AVTR) in Q3 2025, closing a stake of 435 shares — an estimated $6.05K sold.

Westside Investment Management first reported a position in AVTR in Q2 2025 and held it in 1 quarter. The position peaked at $6.05K in Q2 2025. 465 funds tracked by Wall St. Rank hold AVTR as of Q3 2025.

  • Westside Investment Management reported no remaining Avantor position as of Q3 2025 after selling out during the quarter.
  • Westside Investment Management sold 435 Avantor shares in Q3 2025, an estimated $6.05K.
  • Westside Investment Management first reported a position in Avantor in Q2 2025 and held it in 1 quarter.
  • Westside Investment Management's Avantor position peaked at $6.05K in Q2 2025.
  • 465 funds tracked by Wall St. Rank held Avantor as of Q3 2025.

Based on Westside Investment Management's 13F filing for Q3 2025, filed 4 Nov 2025.