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
Q2 		$15.2K Buy
1,535
+771
+101% +$6.64K ﹤0.01% 1045
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 $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

Rossby Financial's AVTR Position: Q2 2026 in Review

Rossby Financial increased its Avantor (AVTR) stake by 101% in Q2 2026, buying an estimated $6.64K and bringing the position to 1,535 shares worth $15.2K. The position accounts for ﹤0.01% of the portfolio, ranked #1045.

Rossby Financial first reported a position in AVTR in Q1 2025 and has held it in 6 quarters since. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Rossby Financial held 1,535 shares of Avantor worth $15.2K as of Q2 2026.
  • Rossby Financial bought 771 Avantor shares in Q2 2026, an estimated $6.64K.
  • Avantor made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1045 holding.
  • Rossby Financial first reported a position in Avantor in Q1 2025 and has held it in 6 quarters since.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.