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Summit Trail Advisors’s Avantor AVTR Stock Holding History

Summit Trail Advisors’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 		$652K Buy
83,157
+35,606
+75% +$350K 0.01% 1084
2025
Q4 		$545K Buy
47,551
+13,397
+39% +$165K 0.01% 1045
2025
Q3 		$426K Sell
34,154
-22,620
-40% -$291K 0.01% 1126
2025
Q2 		$764K Buy
56,774
+35,515
+167% +$486K 0.01% 570
2025
Q1 		$345K Buy
+21,259
New +$403K 0.01% 297

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

Summit Trail Advisors's AVTR Position: Q1 2026 in Review

Summit Trail Advisors increased its Avantor (AVTR) stake by 75% in Q1 2026, buying an estimated $350K and bringing the position to 83,157 shares worth $652K. The position accounts for 0.01% of the portfolio, ranked #1084.

Summit Trail Advisors first reported a position in AVTR in Q1 2025 and has held it in 5 quarters since. The position peaked at $764K in Q2 2025. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Summit Trail Advisors held 83,157 shares of Avantor worth $652K as of Q1 2026.
  • Summit Trail Advisors bought 35,606 Avantor shares in Q1 2026, an estimated $350K.
  • Avantor made up 0.01% of Summit Trail Advisors's portfolio in Q1 2026, its #1084 holding.
  • Summit Trail Advisors first reported a position in Avantor in Q1 2025 and has held it in 5 quarters since.
  • Summit Trail Advisors's Avantor position peaked at $764K in Q2 2025.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Summit Trail Advisors's 13F filing for Q1 2026, filed 12 May 2026.