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Royce & Associates’s Avantor AVTR Stock Holding History

Royce & Associates’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 		$36.4M Buy
3,676,084
+2,212,462
+151% +$19M 0.29% 84
2026
Q1 		$11.5M Buy
1,463,622
+1,423,182
+3,519% +$14M 0.11% 286
2025
Q4 		$463K Sell
40,440
-11,332
-22% -$139K ﹤0.01% 713
2025
Q3 		$646K Buy
51,772
+10,369
+25% +$134K 0.01% 695
2025
Q2 		$557K Hold
41,403
– – 0.01% 708
2025
Q1 		$671K Buy
+41,403
New +$784K 0.01% 711

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

Royce & Associates's AVTR Position: Q2 2026 in Review

Royce & Associates increased its Avantor (AVTR) stake by 151% in Q2 2026, buying an estimated $19M and bringing the position to 3,676,084 shares worth $36.4M. The position accounts for 0.29% of the portfolio, ranked #84.

Royce & Associates first reported a position in AVTR in Q1 2025 and has held it in 6 quarters since. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Royce & Associates held 3,676,084 shares of Avantor worth $36.4M as of Q2 2026.
  • Royce & Associates bought 2,212,462 Avantor shares in Q2 2026, an estimated $19M.
  • Avantor made up 0.29% of Royce & Associates's portfolio in Q2 2026, its #84 holding.
  • Royce & Associates first reported a position in Avantor in Q1 2025 and has held it in 6 quarters since.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Royce & Associates's 13F filing for Q2 2026, filed 14 Aug 2026.