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Frontier Capital Management’s Avantor AVTR Stock Holding History

Frontier Capital 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 		$34.7M Buy
3,506,970
+1,482,960
+73% +$12.8M 0.32% 119
2026
Q1 		$15.9M Buy
2,024,010
+212,001
+12% +$2.09M 0.16% 184
2025
Q4 		$20.8M Sell
1,812,009
-732,132
-29% -$9.01M 0.22% 164
2025
Q3 		$31.8M Buy
2,544,141
+1,890,976
+290% +$24.4M 0.28% 130
2025
Q2 		$8.79M Sell
653,165
-748,332
-53% -$10.2M 0.08% 251
2025
Q1 		$22.7M Sell
1,401,497
-66,437
-5% -$1.26M 0.25% 152
2024
Q4 		$30.9M Sell
1,467,934
-26,964
-2% -$606K 0.29% 134
2024
Q3 		$38.7M Sell
1,494,898
-428,049
-22% -$10.5M 0.36% 107
2024
Q2 		$40.8M Sell
1,922,947
-834,046
-30% -$20.1M 0.4% 98
2024
Q1 		$70.5M Buy
2,756,993
+1,681,414
+156% +$40M 0.66% 43
2023
Q4 		$24.6M Buy
1,075,579
+732,827
+214% +$15M 0.25% 145
2023
Q3 		$7.23M Buy
342,752
+95,971
+39% +$2.04M 0.08% 211
2023
Q2 		$5.07M Buy
246,781
+99,696
+68% +$2.02M 0.05% 231
2023
Q1 		$3.11M Buy
+147,085
New +$3.35M 0.03% 243

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

Frontier Capital Management's AVTR Position: Q2 2026 in Review

Frontier Capital Management increased its Avantor (AVTR) stake by 73% in Q2 2026, buying an estimated $12.8M and bringing the position to 3,506,970 shares worth $34.7M. The position accounts for 0.32% of the portfolio, ranked #119.

Frontier Capital Management first reported a position in AVTR in Q1 2023 and has held it in 14 quarters since. The position peaked at $70.5M in Q1 2024. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Frontier Capital Management held 3,506,970 shares of Avantor worth $34.7M as of Q2 2026.
  • Frontier Capital Management bought 1,482,960 Avantor shares in Q2 2026, an estimated $12.8M.
  • Avantor made up 0.32% of Frontier Capital Management's portfolio in Q2 2026, its #119 holding.
  • Frontier Capital Management first reported a position in Avantor in Q1 2023 and has held it in 14 quarters since.
  • Frontier Capital Management's Avantor position peaked at $70.5M in Q1 2024.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Frontier Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.