Grantham, Mayo, Van Otterloo & Co (GMO)
AVTR icon

Grantham, Mayo, Van Otterloo & Co (GMO)’s Avantor AVTR Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’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
Q3 		– Sell
-106,700
Closed -$1.06M – 691
2026
Q2 		$1.06M Hold
106,700
– – ﹤0.01% 512
2026
Q1 		$837K Buy
+106,700
New +$1.05M ﹤0.01% 521

Other funds holding AVTR

Dodge & Cox
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BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $7.96B AUM 12.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $31.5B AUM 27.89% 1-Year Est. Return
New Mountain Capital
New Mountain Capital New York $211M AUM 20.59% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Grantham, Mayo, Van Otterloo & Co (GMO)'s AVTR Position: Q3 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) sold out of Avantor (AVTR) in Q3 2026, closing a stake of 106,700 shares — an estimated $1.06M sold.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in AVTR in Q1 2026 and held it in 2 quarters. The position peaked at $1.06M in Q2 2026. 393 funds tracked by Wall St. Rank hold AVTR as of Q3 2026.

  • Grantham, Mayo, Van Otterloo & Co (GMO) reported no remaining Avantor position as of Q3 2026 after selling out during the quarter.
  • Grantham, Mayo, Van Otterloo & Co (GMO) sold 106,700 Avantor shares in Q3 2026, an estimated $1.06M.
  • Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Avantor in Q1 2026 and held it in 2 quarters.
  • Grantham, Mayo, Van Otterloo & Co (GMO)'s Avantor position peaked at $1.06M in Q2 2026.
  • 393 funds tracked by Wall St. Rank held Avantor as of Q3 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q3 2026, filed 13 Nov 2026.