Winton Group’s Avantor AVTR Stock Holding History

Winton Group’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	$102K	Sell	10,300 -57,857	-85%	-$498K	﹤0.01%	1089
2026 Q1	$534K	Buy	68,157 +38,000	+126%	+$374K	0.02%	688
2025 Q4	$346K	Sell	30,157 -379,401	-93%	-$4.67M	0.01%	716
2025 Q3	$5.11M	Buy	409,558 +363,928	+798%	+$4.69M	0.19%	170
2025 Q2	$614K	Buy	+45,630	New	+$624K	0.03%	545
2024 Q3	–	Sell	-44,915	Closed	-$952K	–	622
2024 Q2	$952K	Buy	+44,915	New	+$1.08M	0.06%	269
2021 Q3	–	Sell	-7,810	Closed	-$277K	–	1330
2021 Q2	$277K	Sell	7,810 -54,447	-87%	-$1.76M	0.01%	1218
2021 Q1	$1.8M	Buy	62,257 +962	+2%	+$27.8K	0.1%	183
2020 Q4	$1.73M	Sell	61,295 -75,780	-55%	-$1.95M	0.12%	161
2020 Q3	$3.08M	Buy	+137,075	New	+$2.85M	0.1%	317

Other funds holding AVTR

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Winton Group's AVTR Position: Q2 2026 in Review

Winton Group reduced its Avantor (AVTR) stake by 85% in Q2 2026, selling an estimated $498K and leaving 10,300 shares worth $102K. The position accounts for ﹤0.01% of the portfolio, ranked #1089.

Winton Group first reported a position in AVTR in Q3 2020 and has held it in 10 quarters since. The position peaked at $5.11M in Q3 2025. 343 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

Winton Group held 10,300 shares of Avantor worth $102K as of Q2 2026.
Winton Group sold 57,857 Avantor shares in Q2 2026, an estimated $498K.
Avantor made up ﹤0.01% of Winton Group's portfolio in Q2 2026, its #1089 holding.
Winton Group first reported a position in Avantor in Q3 2020 and has held it in 10 quarters since.
Winton Group's Avantor position peaked at $5.11M in Q3 2025.
343 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.