RF
AVTR icon

Rossby Financial’s Avantor AVTR Stock Holding History

Rossby Financial’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
Q1 		$5.94K Buy
764
+242
+46% +$2.38K ﹤0.01% 1444
2025
Q4 		$5.98K Buy
522
+262
+101% +$3.23K ﹤0.01% 1063
2025
Q3 		$3.55K Buy
260
+138
+113% +$1.78K ﹤0.01% 1041
2025
Q2 		$1.64K Hold
122
– – ﹤0.01% 1075
2025
Q1 		$1.58K Buy
+122
New +$2.31K ﹤0.01% 959

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Rossby Financial's AVTR Position: Q1 2026 in Review

Rossby Financial increased its Avantor (AVTR) stake by 46% in Q1 2026, buying an estimated $2.38K and bringing the position to 764 shares worth $5.94K. The position accounts for ﹤0.01% of the portfolio, ranked #1444.

Rossby Financial first reported a position in AVTR in Q1 2025 and has held it in 5 quarters since. The position peaked at $5.98K in Q4 2025. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Rossby Financial held 764 shares of Avantor worth $5.94K as of Q1 2026.
  • Rossby Financial bought 242 Avantor shares in Q1 2026, an estimated $2.38K.
  • Avantor made up ﹤0.01% of Rossby Financial's portfolio in Q1 2026, its #1444 holding.
  • Rossby Financial first reported a position in Avantor in Q1 2025 and has held it in 5 quarters since.
  • Rossby Financial's Avantor position peaked at $5.98K in Q4 2025.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Rossby Financial's 13F filing for Q1 2026, filed 11 May 2026.